Briquette

A briquette (French: [bʁikɛt]; also spelled briquet) is a compressed block of coal dust[1] or other combustible biomass material (e.g. charcoal, sawdust, wood chips,[2] peat, or paper) used for fuel and kindling to start a fire.Otherwise this is difficult to burn as it is hard to arrange adequate airflow through a fire of these small pieces; also such fuel tends to be drawn up and out of the chimney by the draught, giving visible black smoke.They are also easy to mechanically feed, allowing the development of automatically controlled heating boilers that could run for days without human intervention.These briquettes consist of shredded peat, compressed to form a virtually smokeless, slow-burning, easily stored and transported fuel.[9]Biomass briquettes are made from agricultural waste and are a replacement for fossil fuels such as oil or coal, and can be used to heat boilers in manufacturing plants, and also have applications in developing countries.However, manual low-pressure briquetting presses (operating pressure <5 MPa) can represent a relevant alternative, regarding to their ease of use and modest energy consumption for the developing countries.Lanxess India and a few other large companies are supposedly using biomass briquettes for earning Carbon Credits by switching their boiler fuel.A popular biomass briquette emerging in developed countries takes a waste produce such as sawdust, compresses it and then extrudes it to make a reconstituted log that can replace firewood.The NSA has a maximum particle size regulation for shredded paper material that is passed through a disintegrator or rotary knife mill, which typically does not exceed 3 mm (1⁄8 inch) square.After being processed through the disintegrator, paper particles are typically passed through an air system to remove dust and unwanted magnetic materials before being sent into the briquettor.Decreasing the volume of shredded waste allows it to be transported and stored more efficiently, reducing the cost and fuel required in the disposal process.Experts generally warn that charcoal burners are not to be used in enclosed environments to heat homes, due to the obvious danger of carbon monoxide poisoning.