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How to make Charcoal (Bricks) Briquettes

By pinoyfarmer | February 14, 2010
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Charcoal made out of the modified pit method can be used in making charcoal briquettes. Charcoal briquettes are charcoal dust compactly massed by a binder of either cassava flour, corn or sweet potato starch.

As fuel, charcoal briquettes have higher heating value than wood or plain charcoal. They are almost smokeless when burning and give off intense and steady heat. They can be used in the smelting of iron ore since it is compact and dense.

Aside from their used as fuel, charcoal briquettes can be converted to other industrial products. In the chemical industry, they are used in the manufacture of carbon disulfide, carbon electrodes, carbon tetrachloride, carbon carbide, sodium cyanide and activated charcoal for purifying air or water.

Materials and equipment

To make the charcoal briquettes, you need well-charred charcoal made through the modified pit method and cassava corn or camote starch as binder.

Hammer mill or wooden mallets, pail, mild and a tapahan type dryer are also needed.

Procedure

Charcoal briquettes can be produced manually or mechanically. For a small-scale briquettes maker, the manual method will suffice. The method is simple and can easily applied in places where coconuts abound.

First, prepare or have ready smokeless charcoal. This type of charcoal is shiny and gives a metallic sound when tapped. Powder the charcoal into dust particles by hammering with a mallet or wooden hammer or by passing through a hammer mill.

Cook cassava corn or camote starch under moderate heat. The starch should have a syrupy consisting which is neither too thick nor too thin. This will be used as binder.

Mix thoroughly the charcoal dust and the binder in a pail or any available container. When the mixture has reached an even consistency, knead in the same ways making dough for bread.

Molding the resulting mixture into desired shape and size using the hands or an improved wooden molder such as a sungkahan.

The dry briquettes under the sun. Better still, oven cook them in an improvement tapahan type dryer using pieces of wood, coconut shells and dusks and other waste materials for fuel.

Making of charcoal briquettes can be practically costly if undertaken in areas where coconut shells or other suitable materials are discard as waste.

Materials for Briquetting

Only materials which would produce soft and poor quality charcoal should be used for charcoal briquetting. It is not advisable to convert hard charcoal into charcoal briquette. Big charcoal manufacturing establishments, could put up charcoal briquettting units to convert charcoal fine and small broken charcoal particles into briquettes. Studies show that in charcoal manufacturing establishments, fine waste constitutes 10 to 15 percent of usable charcoal. To ensure a smokeless charcoal briquette, the charcoal fine must be well-charged, that is, it must contain at least 75 percent fixed carbon and not more than 24 percent volatile matter.

For big scale (one ton per hour and up) briquetting, charcoal fines and lump charcoal may be combined as raw materials.

Materials recommended for charcoal briquetting are:

1.Charcoal fines accumulated during charcoal manufacturing, handling, and transporting;

2.charcoal from low-density wood and bulky materials like coconut husks, corn cobs, etc.;

3.charcoal from wood wastes during logging, lumbering and veneering such a log ends, stumps, branches, twigs, barks and trimmings;

4.charcoal from the fine agro-forestry waste materials such as sawdust, ricehull, and coconut coir dust; and

5.charcoal from tree plantations.

These materials abound in the country. Their use in charcoal briquetting creates jobs and generates more income and recycles waste in the countryside into a useful commodity.

Binders for Charcoal Briquetting

1. Smokeless binders :

Meal binders such as cassava starch, corn starch, and other starches are smokeless but not moisture resistant. they are normally used in the range of 4 to 6 percent on the oven-dry basis. In some cases, small amounts of moisture resistant binders are used.

2. Smoky binders :

Smoky but moisture resistant binders are tar, pitch, asphalt, sugar cane molasses, and others. Recommended percentage for wood- tar pitch and coal-tar pitch is less than 30 percent. Briquettes with these blinders are smoky when ignited. But this characteristic is not a drawback for briquettes used in smelting and heating. For home use it could be very annoying.

MANUFACTURE OF CHARCOAL BRIQUETTES

Mechanical Process

Charcoal is manufactured either mechanically or manually. A lot- size briquetting machine installed at the Forest Products Research and Development Institute (FPRDI) produces better quality briquettes faster. The steps in manufacturing charcoal briquettes are:

Preparation of Charcoal Fines

Use charcoal material with low moisture content and high fixed carbon content. If lump charcoal is used, pass these through a primary crusher, then through a disintegrator. This process is skipped if charcoal is fine like those obtained from sawdust, rice hull, and other agro-forestry fine materials such as those accumulated during charcoal manufacturing.

Mixing Charcoal Fines with Binder

Charcoal fines is mixed with binder which could be any of gelatinized starch of pastry consistency, liquid tar, molasses, or heated asphalt. Mixing usually use a kneader type, double- shaft mixer. This process is one of the most critical operations in the manufacture of charcoal briquettes. Efficient mixing is essential to obtain a strong product.

Briquetting of the Mixture

After thorough mixing of charcoal fines and the binders, mixture is fed into the molds where pressure is applied to make the particles compact. The size and shape of the briquettes go with the molds. The most common is the ovoid-type or pillow-shaped briquettes.

Drying of the Briquettes

Briquettes are dried first before packaging, to make them strong. They are dried in a batch-type or continuous dryer.

Manual Process

For small-scale briquette manufacturing, the manual method is recommended. Although, this method is time-consuming and produces irregularly shaped briquettes, it is good alternative for small- scale operators who cannot afford an expensive briquetting unit. It is also ideal for housewives and amateur charcoal briquettes makers who are willing to experiment.

The same operations and principle used in the mechanical method are applied in the manual method. The only difference is the use of the hand in the manual technique.

First, the charcoal fines and binder are separately prepared. Charcoal fines are pulverized into soft or low quality charcoal with a hammer or mallet. The binder is made by simply sun-drying sliced cassava or sweet potato for about one week the pulverizing them until they turn into starch. Corn starch may also be used. It is cooked into a syrup consistency, neither too thick nor too thin.

In a pail or any suitable container, mix thoroughly the charcoal fine and the binder by kneading. The mixture is molded into desired shapes and sizes by hand. An improvised wooden molder may also be used.

Dry the molded briquettes under the sun for about three days. Or better still, dry them in an improvised “tapahan” type dryer fueled by wood, coconut shell or husk or other waste material. When the briquette moisture goes down to 10 percent, the briquettes are removed from the dryer.

Source: www.da.gov.ph, Photo by wikimedia.org

Topics: Agri-Business, How to, Technologies | 28 Comments »

28 Responses to “How to make Charcoal (Bricks) Briquettes”

  1. ed Says:
    February 15th, 2010 at 1:19 am

    good day ,where i can buy for machinery for charcoal briquettes? and they have a training for this how to operate.

  2. Engr. Asto Says:
    March 4th, 2010 at 12:51 pm

    Good day. Is there a scheduled training for Charcoal Briquettes & where can i buy the machine and how much is it?

  3. Noel Says:
    May 16th, 2010 at 2:31 pm

    Good day! i am also interested can you pls assist me where can i buy the machine and also if there are also scheduled seminars for this topic.

  4. dave Says:
    July 20th, 2010 at 10:41 pm

    briquette is queite expensive compare to wood charcoal despite of numerous advantages. if i can produce 2-3 tons of charcoal briquettes a day, where possibly can i trade my product to sustain my business and at least help minimize cutting of trees for fuel?

  5. Venus Says:
    July 24th, 2010 at 6:20 am

    I would like to introduce charcoal briquetting to the out of school youth which I’m coordinating with,to whom I’m going to ask help,please give us idea on how much will it cost and we would love to invite you to show us/and demonstrate to us the entire process.

  6. Jun Santos Says:
    August 2nd, 2010 at 3:09 pm

    Charcoal briquetting machines can be ordered from Tipontipon welding shop, Sto. Domingo, Bay, Laguna. CP#09238528917

  7. abdiqani Says:
    October 5th, 2010 at 11:38 pm

    Good day. I am very glad to get this detailed infomatiom on charcoal briquattes productiom method, and I hope to be well applied. thanks

  8. Abdqani Says:
    October 6th, 2010 at 1:47 am

    God day,
    I am very gald to get this detailed information on Charcoal briquatte production method, and I hope it to be applied and it fit for Environmantal conservetion as alternative energy.
    thanks

  9. henry Says:
    October 26th, 2010 at 12:21 pm

    good ,i have briquatte machine and im mixing charcoal dust with water then compressing with the machine but customers are complainig it hard to ignite them and burning slowly .what can i add to the mixer to make them burn faster and easier to ignite?

  10. long Says:
    November 18th, 2010 at 8:43 pm

    magkano ba ang makina nnyo, may demo ba kyo bago bibili ang mga costumer nnyo, pwede bigyan nnyo ako ng address para mapuntahan ko kyo ?

  11. Alvaro C. Sarael Says:
    January 11th, 2011 at 10:28 am

    Sir: where can we buy this machine and how much and where will I atternd a seminar in making this brichets

  12. Erwin D. Roble Says:
    March 17th, 2011 at 12:15 pm

    Good day! i am also interested can you pls assist me where can i buy the machine and also if there are also scheduled seminars for this topic.

  13. alice Says:
    April 11th, 2011 at 8:28 pm

    pli how can i get training on briquettes training.

  14. Lee Gayao Says:
    April 17th, 2011 at 2:02 pm

    magkano po yun makina, interesado ako subukan ito. pls send details regarding the charcaol briquets

  15. Edgar Says:
    May 3rd, 2011 at 1:26 pm

    Good PM.
    I am a bit confused, can i use cassava starch or cassava flour? What is the difference?

  16. genovela,christopher Says:
    May 21st, 2011 at 4:19 pm

    yes me too im interested, saan b ako makakabili ng machine at magkano? heres my cp# 0919295 1272 pls contact asap.

  17. EFAM Says:
    May 27th, 2011 at 11:24 am

    me too, i am also interested can you pls assist me where can i buy the machine and also if there are also scheduled seminars for this topic.

  18. Rene Principe Says:
    July 15th, 2011 at 8:22 pm

    Sir, pwede bang malaman kung may restrictions from DENR or other government institutions sa pag-business ng charcoal, especially na I am using the agoho trees. Marami kasi sa amin na agoho trees at tumutubo lang ng kusa in-between sa mga coconut trees.

  19. d.u Says:
    July 27th, 2011 at 5:17 pm

    I am gratefully thankful for those who created this cause this is the thing that i need for my paper works!

  20. oppong kyekyeku Says:
    August 14th, 2011 at 11:20 pm

    good day,

    I want to get detailed information on briquette production to enable me go into commercial production.
    I want to know how much cassava starch l will need to bind one ton of fine charcoal?
    how to convert sawdust into fine charcoal before briquetting.
    how can l get practical training? I am living in ghana west africa.
    how much will all the machinery needed by a medium/large scale producer cost?
    Can a particular type of clay be used as a binder?
    please include any other information that will be needed by a new briquette producer.

    Thank you in advance for you response.

  21. mav Says:
    August 23rd, 2011 at 3:35 pm

    i am very interested in this product i hope you can give us details on the prices of machines to be use in coconut fiber briquette manufacturing.
    Thank you and more power!

  22. Dan Says:
    September 8th, 2011 at 1:00 pm

    i am very interested in this product i hope you can give us details on the prices of machines to be use in coconut fiber briquette manufacturing.
    Thank you and more power!

  23. Dan Says:
    September 8th, 2011 at 1:14 pm

    i am very interested in this product i hope you can give us details on the prices of machines to be use in coconut fiber briquette manufacturing.

  24. Chis Says:
    September 10th, 2011 at 2:09 am

    We mix 10 containers of dust with 1 container corn starch. Water is added until the mix is of such a nature that if you press it in your hand it stays intact. More dry than whet. Easy.

  25. Antonio Libiran Says:
    September 21st, 2011 at 2:05 pm

    Please contact me on this following phone nos.:
    09268102160 PLDT Line 02-7737042. I am planning to put up my Brick Charcoal Business to be put up in Romblon.

    Thanks

  26. Rimmon Paren Says:
    October 3rd, 2011 at 9:53 am

    Sir, I would to inquire on how long does it takes for the BAMBOO Charcoal Briquette making, could it be done in just 3 hours, one day? We will be having a Sub Regional Bamboo Conference on Nov 9-11, 2011 and we need to finalize our activities…thank you

    Rimmon
    Bamboo Advocate – Mindanao

  27. dante Says:
    October 13th, 2011 at 4:19 pm

    magkano po ba ang machine nito??? gsto ko sana mag invest sa ganitong business!

  28. goGreen Says:
    October 14th, 2011 at 7:37 am

    Hi dante..

    Try lookin’ up at Cebuclassifieds. Marami kang makikita dyan aside looking at a machine like this.

    Thank you for your time! :)

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