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Tangshan Keyuan Environmental Protection Technology & Equipment Co., Ltd

Gasification is the process of extracting maximum amount of energy from combustible materials like coal, biomass and other carbonaceous materials through heating in an environment of controlled oxygen. The insufficient supply of oxygen allows the material to combust, thereby, producing quality producer gas. However, in order to extract more usable producer gas, the carbonaceous material should contain moisture content in it or artificial steam should be supplied from outside. These days, coal usage has become widespread among manufacturing industries worldwide. The availability of coal reserves is much higher as compared to oil and gas reserves, which is the major reason behind the increasing use of coal gasification technology. Moreover, the increasing price of petroleum product like diesel, furnace oil, kerosene etc. has made coal-firing as primary choice, a relatively less expensive carbon-containing material. KEYUAN team understands coal as an excellent material to compete against other fuels more effectively. Therefore, the company offers state-of-art gasification technologies which are more environment-friendly and efficient for a number of industrial applications.

KEYUAN coal gasifier carbonaceous material undergoes four processes:

Drying & Charge Pre-Heat: The producer gas flowing upstream through the reactor dries up the newly injected coal, thus making the next stage (Pyrolysis) easier and efficient.

Pyrolysis: Sometimes, called de-volatization, the condition occurs when the heated coal releases volatile resulting in up to 70% weight loss for coal. The volatiles being light in weight move upwards and the char moves downstream for the next process (Reduction).

Reduction: In this step, the char is acted upon by the Carbon dioxide and steam generated from the final process of gasification (Oxidation). Here the carbon dioxide and steam combine with char to give Carbon Monoxide and Hydrogen.

We have the patents in Pyrolysis gasifer Technology. This patented technology is a boon for the industry.  Though being lower in CAPEX & OPEX, it has huge advantages over any other variants of Gasification technologies available in the world today.

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