What is the production principle of biodiesel?

Using "engineering microalgae" to produce diesel oil is a new trend worthy of attention. "Engineering microalgae" is a microalgae constructed by genetic engineering technology, which opens up a new technical way for diesel oil production. The national renewable energy laboratory of the United States has constructed an "engineering microalgae" through modern biotechnology, that is, the "engineering cyclophosphamide" of diatoms;

Under laboratory conditions, the lipid content can be increased to more than 60%, and outdoor production can be increased to more than 40%. This is because the high expression of acetyl coenzyme A carboxylase gene in microalgae cells plays an important role in controlling the level of lipid accumulation.

Extended data

Biodiesel is a typical "green energy", which has the characteristics of good environmental protection performance, good engine starting performance, good fuel performance, wide source of raw materials, renewable and so on.

Small, light or large, heavy diesel engines or tractors, after burning biodiesel, reduce hydrocarbons by 55%~60%, particulate matter by 20%~50%, and polycyclic aromatic hydrocarbons by 75%~85%.

The manufacturing methods of biodiesel-esterification and transesterification, the biodiesel produced should be called fatty acid methyl ester or ethyl ester, which is essentially different from the main components of petrochemical diesel oil, namely esters and hydrocarbons. At present, some biodiesel enterprises in Shangqiu can use waste oil to produce biodiesel that meets EU standards. .

Diesel oil is a common fuel in urban and rural areas. Using biological means to produce diesel oil is the most economical way to expand the utilization of biological resources, and it is also one of the development directions of bioenergy. With the development of energy biotechnology, "pollution-free biodiesel" will be widely used. Using waste oil to produce biodiesel can effectively solve the risk of waste oil returning to the table, which is a good project for the benefit of the country and the people.

Baidu Encyclopedia-Biodiesel Technology