The 10,000-ton fiber ethanol project undertaken by Tianguan Group passed the acceptance test of the national-level energy science and technology achievement appraisal meeting last week. At present, the 10,000-ton fiber ethanol plant has been operating continuously for 185 days. The results show that every 7 tons of straw can produce 1 ton of ethanol (95% v/v), and the by-production of biogas is 500 to 650 cubic meters, and the ethanol fermentation concentration is 6.0%. 6.4%.

The highlight of this demonstration unit is the simultaneous realization of the combined production of ethanol, biogas and biogas. The residue of fermentation can also be used as fuel for factory-owned boilers, reducing the external fuel and electricity required for the production of cellulosic ethanol. The project has applied for 18 Chinese patents, obtained 10 patent authorizations, and formulated 6 related enterprise standards.

Plant stalks are used as agricultural and forestry waste, and their resources are very abundant. It is predicted that only straw wastes that can be used in Henan Province will be more than 30 million tons, which is one of the best raw materials for producing bio-energy. However, the current production of cellulosic ethanol is a worldwide problem. There are still many key technologies that need to be broken.

According to reports, as the pioneer and pioneer of China's bio-energy industry, Tianguan Group has started the key technology research of fiber ethanol since 1997, which lasted 15 years and has developed a complete system of key fiber ethanol with independent intellectual property rights. The technology has formed a complete process route including raw material collection, storage, transportation, steam explosion pretreatment, cellulase production, cellulose enzymolysis, fermentation, and distillation drying coupled with anaerobic fermentation of ethanol and hemicellulose to produce biogas. The company has designed and built the largest 10,000-ton straw fibre ethanol production plant in China and realized the demonstration of industrialization. It has become the only domestic enterprise that possesses three major bio-energy products, namely bio-ethanol, bio-natural gas and bio-diesel.

The acceptance expert group organized by the National Energy Administration believes that the 10,000-ton fiber ethanol project has fully utilized Tianguan’s corporate advantages, combined with China’s national conditions, and achieved integration of cellulose, hemicellulose, and lignin in wheat straw and wheat straw. The use of classification, reliable technology and process, the overall technology to achieve the leading domestic level, has been further industrialization and amplification conditions. The expert group also provided constructive opinions on Tianguan Group’s construction of a 150,000-ton/year expansion project for fiber ethanol.

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