Method for treating biomass pyrolysis effluent by utilizing microorganism bacterial strains

A biomass pyrolysis and microbial technology, applied in the direction of microbial-based methods, biological water/sewage treatment, biochemical equipment and methods, etc., can solve the problems of incomplete physical treatment, high cost, and easy to cause other pollution, etc. Achieve the effect of simple operation, low cost and thorough treatment

Inactive Publication Date: 2019-04-26
青岛科信新能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The physical method is not thorough, and the chemical method is likely to cause other pollution when dealing with biomass pyrolysis waste liquid, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method utilizing microbial strains to treat biomass pyrolysis waste liquid, said method comprising the following steps:

[0017] The first step, the preparation of the medium: take 50g of potato powder and 1000mL of deionized water in a container, mix and stir evenly to obtain a mixed solution, put the mixed solution in a pot and boil to obtain a paste medium, and then put the paste medium Put it in a sterilization box for sterilization, control the sterilization temperature to 121°C (98kPa), and the sterilization time to 20min;

[0018] The second step, the preparation of bacterial strains: add 5g molasses, 1g magnesium sulfate and 8g potassium dihydrogen phosphate to the above-mentioned medium, stir evenly, then add 1mol / L sodium hydroxide solution to adjust the pH to 5-6, and finally , add 3g of solid microbial agent to the above mixture and stir evenly, and culture at 37°C for 48h;

[0019] The third step, pretreatment of biomass pyrolysis waste liquid: firstly t...

Embodiment 2

[0023] A method utilizing microbial strains to treat biomass pyrolysis waste liquid, said method comprising the following steps:

[0024] The first step, the preparation of the medium: take 100g of potato powder and 1500mL of deionized water in a container, mix and stir evenly to obtain a mixed solution, put the mixed solution in a pot and boil to obtain a paste medium, and then put the paste medium Put it in a sterilization box for sterilization, control the sterilization temperature to 121°C (98kPa), and the sterilization time to 20min;

[0025] The second step, the preparation of the bacterial strain: add 8g molasses, 2g magnesium sulfate and 10g potassium dihydrogen phosphate to the above-mentioned medium, stir evenly, then add 1mol / L sodium hydroxide solution to adjust the pH to 5-6, and finally , add 5 g of solid microbial agent to the above mixture and stir evenly, and culture at 37°C for 48 hours;

[0026] The third step, pretreatment of biomass pyrolysis waste liquid...

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Abstract

The invention discloses a method for treating biomass pyrolysis effluent by utilizing microorganism bacterial strains. The method comprises the following steps: 1) preparing a culture medium; 2) preparing bacterial strains; 3) pretreating the biomass pyrolysis effluent; 4) fermenting the biomass pyrolysis effluent. According to the invention, the microorganism bacterial strains are utilized to treat the biomass pyrolysis effluent; cost is low; the adopted microorganism bacterial strains include bacillus subtilis, clostridium acetobutylicum, streptosporangium, white rot fungi, aspergillus nigerand powdered pichia pastoris; through reasonable blending of the microorganism bacterial strains, the biomass pyrolysis effluent is comprehensively fermented; the fermented products only include carbon dioxide and water and are environment-friendly and pollution-free; the method for treating biomass pyrolysis effluent provided by the invention is simple and convenient in operation, is capable ofthoroughly treating effluent and is capable of solving the problem of environmental pollution caused by the biomass pyrolysis effluent.

Description

technical field [0001] The invention relates to the technical field of biomass pyrolysis waste liquid treatment, in particular to a method for treating biomass pyrolysis waste liquid by utilizing microbial strains. Background technique [0002] Biomass mainly includes plants such as wood, crops (straw, straw, wheat straw, bean stalk, cotton stalk, chaff, etc.), weeds, algae, etc., as well as non-plants such as animal manure, animal carcasses, and organic matter in wastewater. ingredients, organic ingredients in trash. In a broad sense, biomass is organic matter produced by plants through photosynthesis, and its energy is originally derived from solar energy. Due to the huge amount of organisms on the earth, a lot of organic matter is excreted and metabolized by these biomasses. According to statistics, the annual amount of straw in rural areas is about 726 million tons, which is equivalent to 500 million tons of standard coal, and forestry waste is about 3700m3 per year. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/16C12N1/14C12P3/00C02F3/34C12R1/125C12R1/145C12R1/465C12R1/645C12R1/685C12R1/84
CPCC12N1/14C12N1/16C12N1/20C12P3/00C02F3/34C02F3/347
Inventor 李莉宋武庆
Owner 青岛科信新能源技术有限公司
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