High-efficiency biological composite carbon source and preparation method thereof

Abstract

The invention discloses a high-efficiency biological composite carbon source, and the biological composite carbon source comprises the following active ingredients by mass content: 20.0-28.0% of glucose and 35.0-45.0% of crude glycerin; and the balance is water, and the sum of mass content is 100%. The high-efficiency biological composite carbon source can effectively provide the sufficient carbonsource for the biological flora in a biochemical system, and can ensure the safety of a use process.

Description

technical field [0001] The invention belongs to the technical field of sewage biochemical treatment, and in particular relates to a high-efficiency biological composite carbon source and a preparation method thereof. Background technique [0002] With the increasing prosperity and development of industry, the composition of sewage is becoming more and more complex. The original physical and chemical methods are far from meeting the needs of sewage treatment. In recent years, biochemical treatment has been applied to many sewage treatment fields. Small energy, high efficiency, low cost, and simple operation are favored. At present, most sewage denitrification processes use single carbon source organic substances (such as methanol, ethanol, acetic acid, sodium acetate, glycerol, etc.) and sugar substances (glucose, sucrose, xylose, etc.) as a liquid carbon source. After a lot of experimental research, using organic matter as the carbon source, although methanol and ethanol ha...

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Problems solved by technology

[0002] With the increasing prosperity and development of industry, the composition of sewage is becoming more and more complex. The original physical and chemical methods are far from meeting the needs of sewage treatment. In recent years, biochemical treatment has been applied to many sewage treatment fields. Small energy, high efficiency, low cost, and simple operation are favored. At present, most sewage denitrification processes use single carbon source organic substances (such as methanol, ethanol, acetic acid, sodium acetate, glycerol, etc.) and sugar substances (glucose, sucrose, xylose, etc.) as a liquid carbon source

After a lot of experimental research, organic matter is used as the carbon source. Although methanol and ethanol have high denitrification efficiency, they are flammable and explosive products, with poor transportation and safety performance, and the organic carbon content in the effluent is easy to exceed the standard.

Considering the use of a single sugar, glucose and sucrose as carbon sources, the nitrogen removal effect is better, and the treatment cost is lower, but the disadvantage is that the denitrification rate is lower, not as good as low-molecular organic matter, and there is nitrous acid in the treated water salt accumulation phenomenon

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