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Biomass pellet manufactures manufacture biomass pellets for more than a few different purposes in addition to end uses. The core market is biomass pellet energy, on the other hand wood pellet manufactures also produce biomass pellets for animal bedding in addition to even BBQ’s. The core product as well as principle is the same, with a larger collection of biomass resources used to produce BBQ pellets. Wood pellet manufactures use a wood pellet mill to manufacture the pellets. Due to heat as well as pressure a wood pellet can compress biomass residues into pellets. Manufactures have two options of either a flat die pellet mill or a sphere die pellet mill. Both designs have compensation plus disadvantages which are explained in the guide, see below. All pellet mills have a roller plus die configuration. The shape as well as orientation of the die changes with dissimilar designs, and so too does the number as well as shape of the rollers. Biomass pellet mills are under more stress than other pellet mills, owing to increased resistance of the wood along with higher matter density.

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The prices wood pellet manufactures can fee will depend on the quality of the pellet, and the raw material used in manufacture. Energy grade biomass pellets have to meet specific standards on ash percentage plus moisture content, and contaminated biomass cannot at any point be used. Animal bedding pellets are less specific, though the fines (dust) percentage has to be low as this is key selling point of the product. BBQ’s pellets have to meet the highest standards, as they are a food grade product. Animal bedding pellets therefore have the lowest prices, by fuel in addition to then BBQ biomass pellets having the highest prices. How to produce wood pellets is a question that we get asked frequently. The core process relies on a definite relationship between ample amounts of heat as well as pressure to gelatinise the biomass and re-shape it into pellet form. The raw matter must be relatively dry, plus be reduced to a small uniform particle size before pellet compression can take place. Each raw matter behaves differently in a pellet mill, as well as pellet manufacture is often referred to more of an art than a science. To help more people understand the basic processes involved in wood pellet manufacturing, we developed this guide. 

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At PelHeat we develop small mobile wood pellet mill equipment. We constantly receive emails, asking for more information on the biomass pellet production process. Producing pellets on any scale is a skilled process, but even more so on the small scale. To efficiently produce quality pellets constantly, several factors of the process plus raw material have to be restricted. To aid general knowledge of the process, we have developed the biomass pellet manufacture guide, which breaks the process down into an simple to understand ten step guide.

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We create small mobile pellet mills here at PelHeat, along with we receive many requests for information on how the process works. We therefore developed this guide, to provide some core background knowledge of the process. The guide is broken down into easy steps, with illustrations to indicate what is happening in the process, along with how to address certain issues. There are unlike types as well as grades of biomass pellet energy, including softwood pellets. Premium pellets are formed from either softwood in addition to hardwood residues, along with there are debates if softwood or hardwood produces the greatest pellet energy. Softwood premium pellet fuel is mainly shaped from pine as well as spruce residue. The softwood must be free from bark residue, as the bark can increase the ash content of the pellets. Premium softwood pellets should make less than 1% ash, plus are the lowest maintenance pellet energy.

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Many people who used to own a biomass stove maybe under the presumption that hardwood burns better than softwood, producing more heat plus less ash. Well by means of pellets this is actually not true.  Softwood pellets produce on average 15% more BTU’s than hardwood pellets. The reason for this is in log form hardwood has a higher natural density than softwood, therefore burns better producing less ash. However in pellet form, softwood along with hardwood pellets have a comparable density. At PelHeat we create pellets by way of our small scale wood pellet mill equipment from various different types of woody biomass resources, including softwood pellets. Click the play button below to view a video of our boiler burning a range of different types of biomass fuel pellets. Dissimilar biomass pellets have diverse incineration characteristics, this can include various percentages of ash, in addition to potential clinker or slag formations which can cause combustion issues.

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Softwood premium pellets are one of the most expensive types of pellet energy, as there is only a limited supply of suitable resources. Yet softwood pellets are cheaper than hardwood pellets. We see more along with more people are interested in pellets, for either fuel, pellet grills along with even animal bedding. We therefore developed the Biomass Pellet Construction Guide to explain the pellets production process in more detail, in addition to to provide information on the equipment and process knowledge required. Straw pellets are currently a largely un-known pellet energy, on the other hand have great probable. Case in point of grass residues that could be upgraded into pellets includes, wheat in addition to barley straw. At PelHeat we have successfully created energy pellets from both of these materials. Other similar agricultural wastes which could be processed into pellets include corn cobs and stalks, among many others. All of these resources are currently seen as a waste by means of-product from the food industry, or in the case of oil seed rape grass the energy industry. Therefore there is an abundance of these raw materials, that can be utilized locally.

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One more key aspect of the quality of premium grade pellets are their mechanical durability. This simply refers to the density of the pellets, plus how well they hold their shape. A premium pellet formed under enough pressure in addition to heat should have a smooth surface plus shine. The pellets should not easily crumble, and should not make excessive fines. Mechanical durability is an important feature for efficient incineration. Pellets by way of a low mechanical durability will separate during combustion causing increased smoke, lower heat values in addition to higher ash content, as complete combustion was not achieved. Fines are particles from the production process which did not form pellets, or are particles which have broken off pellets. Premium pellets must have a low fines percentage, as fines can lessen incineration efficiency along with amplify ash formed during incineration.

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So what is alternative fuel, in addition to what isn’t. Fossil fuels, for instance oil and gas are not forms of renewable energy. For any fuel to be regarded as alternative the rate of consumption must be comparable to rate of replacement. Oil and gas take thousands of years owing to heat in addition to pressure under the earth to form. Our rate of use of oil in addition to gas far out weighs the rate of unrefined replacement, therefore they are none alternative forms of fuel. There are a mixture of forms of renewable energies, these include wind, solar, wave and more than a few others. At PelHeat our focus is on biomass as a alternative energy source. Biomass is any recently dead organic matter which can be used as a fuel source. This includes more than a few purpose grown energy crops, but also many resources today which are regarded as wastes. A lot of virgin wood waste, from tree surgery for instance is still sent to landfill. In the landfill the wood will decade and produce methane, a gas which is a key cause of climate change. This virgin biomass waste yet is an ideal alternative energy resource. Owing to basic processing the biomass chips can be upgraded into high value biomass pellets. These wood pellets can be used in direct burning or used to develop synthesis gas owing to gasification. Below is a video of our boiler at PelHeat combustion a range of pellets, including some biomass chip pellets.

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Biomass is just one form of a biomass renewable energy. There are purpose grown energy crops such as miscanthus, reed canary grass, switchgrass along with hemp. These crops have high yields by means of low fertilizer inputs. On the other hand by way of the exception of hemp, the other crops are none food crops. On the other hand waste agricultural residues are also an ideal alternative energy resource as both food along with energy can be sourced from one crop.

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There is very little information available on the internet on the specifics of wood pellet production. There is a lot of general knowledge of how the process works, though it is very light on detail. The reasons for this is straightforward, very few people have first hand experience of the process, plus how it actually works. The fact of the material is biomass pellet construction is a skilled process, and describing the process in a few works, go no where near to explaining the complexity and detail of the process. At PelHeat we create small biomass pellet mills, along with to improve general knowledge of the process we have developed this guide.

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Pellet mills come in a variety of dissimilar shapes and sizes, including small pellet mills. There are various dissimilar designs of pellet mills, and some are more common than others in the design of small pellet mills. Also the size of the pellet mill can influence its ability to process a variety of raw materials. Therefore a small pellet mill can struggle to create pellets out of certain materials, particularly high density materials, such as wood pellets as well as particularly hardwood pellets. The reasons most small pellet mills struggle to create biomass pellets, is they lack ample power to compress the biomass, in addition to they also do not generate adequate heat to melt the wood. As wood is a much harder matter than straw for instance, either more power is required in terms of a larger motor, or a lower gearing. Wood melting is crucial to the pellet process in addition to pellet binding. Wood melts at a much higher temperature than straw, and the friction generated in a small mill is usually insufficient to reach the required temperatures. Larger pellet mills have a larger contact area, which generates more friction, as well as thus heat. Also large pellet machines usually have steam conditioners to enlarge the temperature of the biomass before it enters the pellet mill.

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There are two core principle designs of pellet mills, which is either a flat die or disc die design. Flat die pellet mills work on a upright process design, by means of raw matter entering from above along with reducing down into the process area. The die is horizontal, by way of a set of rollers rotating across the surface. As the raw material falls from above, the rollers compress the matter due to the die in a perpendicular motion. Flat die pellet mills are a much more well-liked design for small pellet mills, due to their more uncomplicated design along with operation. To learn more about flat die pellet mills, their compensation along with disadvantages, please click below to download the guide. Sphere die pellet mills work in a unlike manor to flat die pellet mills. In a sphere die pellet mill the die encompasses the rollers, hence the ‘ring’ description. The rollers apply pressure to the inner surface of the die, compressing material due to the outer surface of the die. Material is forced fed horizontally into the centre of the circle, Pellets then fall vertically away from the sphere. Small sphere die pellet mills do exist, though they are not as in style due to their more complicated design plus higher costs. Yet sphere die pellet mills do have certain benefits over flat die pellet mills.

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Pelletizing is a process where a pelletizer is used to reduce the volume plus increase the density of a raw matter. Many different raw materials can be processed in a pelletizer, for various diverse purposes and uses. For example the pelletizing of animal feed has become very wide spread, through the advantages of precise feed formulas, along with better storage along with rationing.
The wood pelletizing industry over recent years has continued to grow, as well as will continue into the future. Biomass pellet heating is a convenient, low maintenance method to utilize a low carbon energy to replace existing gas as well as oil heating systems.
Pellets are a compressed for of the original raw material, the raw matter in question can be almost any natural matter. Pellets have a uniform shape, size along with density. The density of a pellet is far higher than the original raw material. This is one of the key reward of of pellets, in terms of increased energy density, lower shipping costs in addition to smaller storage space.

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Biomass is any cellulose unrefined matter which can be used as a fuel source. Wood includes biomass along with biomass waste, grasses plus straws as well as other energy crops such as hemp. Almost all wood materials can be processed via a pelletizer into pellets. In terms of pelletizing wood, each wood material has diverse characteristics. Some biomass materials can produce pellets without the necessitate for additional binders. Yet for some wood, binders are required to produce pellets of adequate quality in addition to density.
Also not all biomass pellets have the same incineration characteristics. Biomass pellets in general make little ash and no clinker formations, on the other hand this is not true of all wood pellets. Also some biomass pellets are corrosive.

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At PelHeat we develop small scale mobile pelletizers. To aid general knowledge of the pellet construction process we have developed this guide. The guide covers the pelletizing process in a straightforward ten step process, through raw material preparation as well as pellet compression. Pellets have been used for over a century for unlike applications and purposes. Essentially yet all pellets are based on the same principles, plus are produced for the same reward. Raw materials for example biomass chips, straws along with grasses in their loose form have very little value. One of the key reasons for this, is in their raw form they are very hard to deal with, so it is very difficult to design systems around these resources. For the animal feed industry for example they choose pellets as they can make definite feed blends easily in addition to then distribute the feed much cheaper in the compressed form of a pellet. It also makes it much easier to measure out a specific amount each day to feed to the animals, plus storage space for the feed is also dramatically reduced. Recently pellets have been used as a replacement to conventional heating fuels. There are quite a lot of reasons for this which are explained below.

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Biomass pellets are currently the most common as well as well known form of pellets used for energy. Most biomass pellets at this time available on the market are also premium biomass pellets. Premium biomass pellets are the higher grade of biomass pellet fuel. To manufacture a premium grade energy pellet most or all of the bark must be removed from the biomass. Also only certain species of wood are generally used, these include pine, spruce in addition to oak. The reasons for this is a premium quality wood pellet also has to make a very low ash content, usually below 1%. Premium biomass pellets must also have a very low moisture percentage, below 10% however many manufactures create pellets by means of between 5-8% moisture. A lower moisture content means a far more efficient burn, which produces more heat, less ash in addition to smoke. For case biomass chip energy contains around 30% moisture, therefore biomass pellet fires make a far more efficient process. Although presently wood holds the spotlight as ‘the pellet energy’, many other wood resources can also be processed into fuel pellets, see left for examples.

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A pellet mill is the piece of equipment which is used to process wood as well as other wood resources into pellets. Due to a combination of heat plus pressure the pellet mill reforms the matter into pellets of a mixture of diverse diameters. The pellet construction process yet does rely on the right equipment and the right user knowledge. For case in point the raw matter requires certain properties, for case in point moisture percentage to produce the top quality pellets. Therefore we at PelHeat have developed the Biomass Pellet Manufacture Guide to educate people interested in pellets to the principles of manufacture. The guide is broken up into a step-by-step guide including diagrams to illustrate what does along with what doesn’t work to create quality pellets.

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Premium pellets are a high quality grade of energy pellets. Premium pellets refers to a quality of wood pellet energy made from softwood and hardwood residues. For the softwood premium grade fuel pellets pine and spruce residues are used, and for hardwood premium grade energy pellets oak residues are used. For the pellets to meet premium grade requirements quite a few attributes have to be meet. For the premium pellet standard, the ash content of the pellets must be very low, below 1%. To achieve this the species of biomass must create a low ash percentage, but also all, or most of the bark must be removed. To achieve the top combustion efficiency likely, a low moisture content is required. Premium pellets are therefore required to have a moisture percentage below 10%, yet many manufactures produce pellets by means of moisture contents between 5-8%. Compare this to seasoned biomass logs which have a moisture percentage around 30%, it is clear how wood pellets achieve much higher burning temperatures.

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Pellet construction can be a small or large scale operation. It is probable to process a wide selection of raw materials into pellets, for a range of purposes, yet there is great deal of knowledge required to manufacture quality pellets from dissimilar raw materials. The pellet machine is the central piece of equipment in the pellet production line. The pellet machine is where final pellet compression along with formation takes place, as well as the most fuel intensive piece of manufacture equipment. One of the key uses for pellet manufacture today is to develop as well as expand the use of renewable energy forms, through fuels such as wood pellets. Unlike fossil fuels, we can replace biomass resources within their lifetime of consumption. On the other hand to truly encourage alternative fuel in pellet form, we need to utilize more resources than simply wood waste from the timber industry. This includes using agricultural residues such as straws along with grass to name but a few.

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A mixture of unlike biomass renewable energy sources can go owing to pellet manufacture. At PelHeat we test how a mixture of different biomass materials perform in pellet construction tests, along with we then burn these pellets to see how efficiently they burn. There is a wide collection of burning characteristics between diverse wood pellet fuel. Biomass energy pellets such as straws in addition to grasses tend to make a higher ash content than wood pellets, make clinker plus slag formations along with have increased corrosion issues. Yet they do have their compensation in terms of the biomass is much quicker to grow, plus requires less fuel to upgrade into pellets. Pellet construction is a skilled process, as well as many refer to it as more of an art than an exact science. Our experiments at PelHeat have also manufactured us come to the same conclusions, plus we feel cooking is also a good comparison. You necessitate the right equipment, pressures and temperatures to form a quality pellet. Also the raw matter needs to have definite qualities of moisture along with binding qualities. So imagine this guide at the pellet makers cook book.

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Pelleting is a process of material compression into the form of a pellet. The compensation of the pelleting process are reduced raw matter shipping costs, easier material handling, along with in the form or energy pellets much more efficient combustion. A pelleting machine can be used to decrease the size in addition to volume of many dissimilar raw materials, for many different markets in addition to purposes. One of the most popular along with rising markets for pelleting as well as pelleting machines in wood pellets.

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A pellet machine can be used for various diverse purposes, though the core principle, of a pellet machine is used to decrease the volume of a raw matter plus enlarge the materials precise gravity in addition to density. This technique converting the raw material into pellets via processing it because of the machine. Pellet machines have been used for over a century to reduce the volume of animal feed products plus to produce specific feeds for definite animals. Dissimilar feed formulas can be produced with unlike minerals in addition to vitamins that certain animals call for in a healthy diet. This feed formula is then compressed into pellets in the pellet machine. Wood shavings have been traditionally used for horse bedding, though it has been shown that the dust contained within the shavings can cause health problems for the horses in addition to breathing problems. Through the use of pellet machines, it is possible to turn the wood shavings into pellets. These pellets are very absorbent plus have little or no dust.

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Within the last decade fuel pellets and specially biomass pellets have been taken seriously as an option to oil plus gas. Biomass pellets behave like a liquid, in addition to flow easily owing to hopper systems. The high density of the pellets also method a higher combustion temperature as well as low maintenance. Pellet making is a subject that is interesting more plus more people, particularly in the area of generating fuel pellets, for instance biomass pellets. So what is involved in pellet making, as well as what materials can be processed into pellets. Making biomass pellets today is what most people are interested in. Through the general increasing fee of oil in addition to gas, and concerns over global warming, wood pellets have seen a rapid growth. By way of the enlarge in the acquire of pellet stoves and boilers, more people are interested in how this energy is constructed, and is it potential to create the pellets on a small scale. The next few years will see a dramatic rise in large scale pellet production plants, on the other hand there is also an opportunity to create wood pellets on a small scale. To manufacture biomass pellets, the biomass must have a low moisture content, or drying equipment will be required. The biomass must also be reduced to a small uniform sized dust before it can be compressed into a pellet. Once a dry uniform dust is obtained, the matter can then be processed into pellets. Through enough heat and pressure the wood is formed into pellets.

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Other raw materials besides biomass can also be used in pellet making, see left for examples. This includes purpose grown energy crops such as miscanthus, switchgrass as well as hemp. It also includes agricultural waste materials left over from food production, for case wheat straw, barely straw along with corn stalks. All of these raw biomass materials can be processed for making pellets. Making pellets from these biomass materials is often easier plus has a lower power consumption than producing wood pellets. On the other hand burning wood pellets does produce more issues. For instance many biomass pellets will manufacture a higher ash content than wood pellets, between the 7-10% selection. Hemp yet is the exception, by way of an ash content below 3%. Other issues revolve around corrosion in addition to clinker as well as slag issues. Many wood materials make high levels of chloride during burning, which is a high temperature corrosive, in addition to can damage stoves and boilers. Clinker formations can also occur in the burn pot, and slag can collect around the heat exchanger tubes.

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Today the compensation of material densification are becoming more well known. By increasing the bulk density of raw materials with using a pellet mill has a range of positive aspects. Firstly the reduced size technique it is more efficient as well as cheaper to haulage pellets instead of the raw material. In terms of energy pellets and combustion, the compensation incineration a matter by way of a high density are increased incineration efficiency. The most common use of a pellet mill to manufacture pellets today in addition to for the past century have been to manufacture animal feed pellets. The pellet manufacture process allows the manufacturer to make exact blends of feed and vitamins and then process the feed mixture in the pellet mill to create feed pellets specifically for certain animals. Within the last few decades, pellet mills have also being used to make wood pellets. Biomass pellets can be used for fuel, though there are other uses such as animal bedding. As biomass has a higher density than animal feed ingredients, wood pellet mills are diverse than feed pellet mills. The Wood Pellet Construction Guide provides details on these differences plus reward and disadvantages.

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Recently there has been a increasing interest in using the pellet mill to produce other wood pellets, for case in point for energy pellets. Biomass simply refers to any cellulose natural material than can be used to create energy. This obviously includes wood, on the other hand other materials such as straw along with grasses, miscanthus, reed canary grass, switchgrass in addition to hemp to name but a few. With using a pellet mill to upgrade these raw materials into fuel pellets, these fuels will play an important role in our fuel future. Pellet mills are also often referred to as a pellet press for obvious reasons. Pellet presses do press the raw materials into a pellet shape. Using a pellet mill and pellet construction process to turn unlike raw materials into pellets can give value plus provide a use to many materials which today are regarded as waste.

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There is a variety of other pieces of equipment other than the pellet mill that is required in pellet construction. The Biomass Pellet Manufacture Guide provides detail on the potential equipment options in addition to why they are required. Pellet production is a combination of the correct equipment, process set-up plus operator knowledge along with skill. The Wood Pellet Construction Guide provides a concise, straightforward to understand guide to the principles of the process and the factors that require to be restricted in addition to adjusted to create quality pellets.

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There are a variety of dissimilar designs of pellet mills. The two core designs that most pellet machine revolve around is either the flat die or ring die design. The flat die design was the first design of pellet mill to emerge at the beginning of the 20th century.

Pellet mills were originally focused on the animal feed industry, plus this was the case up until the 1970′s, when the first experiments generating wood pellet energy were conducted. However it is only within the last decade that biomass pellet fuel has been taken seriously as a heating choice, due the rising costs of oil as well as gas, in addition to their effects on global warming plus climate change. Flat die pellet mills are the simplest design of pellet mill, and as such have certain reward in addition to disadvantages.

Flat die pellet mills work on a vertical design, using gravity as the main force for feeding the material through the machine. Flat die pellet mills have a horizontal die, by way of a series of rollers above the die. As material falls in from the top, it is compressed between the rollers along with die.

There are a mixture of diverse designs of flat die pellet mill, by two key differences. Some designs of flat die pellet mill have a rotating die by means of stationary roller shaft, along with others have a stationary die with a rotating roller shaft. The later design being more in style for larger flat die pellet mills. In general on the other hand due to their uncomplicated design as well as lower weight, flat die pellet mills are normally used in small scale pellet production. By means of ring die pellet mills used in larger scale construction.

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Biomass is simply any form of unrefined matter which can be used to produce fuel. This obviously includes wood, along with biomass waste, on the other hand it also includes agricultural residues such as straws as well as grasses.

A different growing wood fuel area is purpose grown energy crops such as miscanthus, switchgrass as well as hemp. All of these biomass materials can be converted into wood pellets. Making pellets is a skilled process, it needs the right equipment plus operator knowledge. To create quality durable pellets, the material must have a certain moisture content, and the necessary binding qualities. Lignin is the organic binder contained within all biomass. Yet some materials during pellet construction need an additional binder.

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To help more people understand the pellet construction process, plus to encourage more individuals as well as organizations to consider making pellets, we have developed the Wood Pellet Manufacture Guide. At PelHeat we develop small mobile pellet manufacture units, plus we are generally interested in wood fuel. The Biomass Pellet Construction Guide has been broken up into a ten step process, with concise points and illustrations to explain the core details of the process, plus equipment required.

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