Composite type biological additive and its preparation method and application thereof

A biological additive and composite technology, applied in the field of environmental biology, can solve problems such as limitation and nutritional imbalance of trace elements, and achieve the effect of promoting the formation, promoting production and increasing the specific gravity

Inactive Publication Date: 2006-05-10
SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Laboratory studies have shown that the anaerobic treatment of most industrial wastewater has the problem of nutritional imbalance of trace elements, and sometimes the lack of one of them can seriously limit the entire process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The content of raw material components in every kilogram of additives is:

[0020] Saccharomyces cerevisiae 5%; Glucose 10%; CaCO 3 5g; FeSO 4 ·H 2 O 15g; CuSO 4 ·5H 2 O1500mg; MnSO 4 ·H 2 O 400mg; ZnSO 4 ·H 2 O 300mg; CaIO 3 20mg; 2 SeO 3 10mg; balance of wheat. After the yeast is dried, they are pulverized and mixed together according to the proportion of the components to obtain the required additive, which contains various microbial growth factors per kilogram:

[0021] Vitamin A 150000IU, Vitamin D 3 30000IU, Vitamin E 300mg, Vitamin K 3 15mg, vitamin B 1 25mg, vitamin B 2 100mg, vitamin B 3 100mg, vitamin B 6 150mg, vitamin PP (niacin) 100mg, folic acid 30mg, biotin 1mg; lysine 5000mg, methionine 500mg, threonine 3000mg, tryptophan 100mg.

[0022] When the granular sludge in the operating UASB reactor floats, the biological additive can help the granular sludge restore the desired structure and remain in the reactor. When the floating s...

Embodiment 2

[0026] Difference with embodiment 1 is that in every kilogram of additive, raw material component content is:

[0027] Saccharomyces cerevisiae 10%; Glucose 5%; CaCO 3 10g; FeSO 4 ·H 2 O 20g; CuSO 4 ·5H 2 O750mg; MnSO 4 ·H 2 O 800mg; ZnSO 4 ·H 2 O 100mg; CaIO 3 50mg;Mo 2 SeO 3 4mg; balance of wheat. After the yeast is dried, they are pulverized and mixed together according to the proportion of the components to obtain the required additive, which contains various microbial growth factors per kilogram:

[0028] Vitamin A 200000IU, Vitamin D 3 20000IU, Vitamin E 500mg, Vitamin K 3 5mg, vitamin B 1 50mg, vitamin B 2 75mg, vitamin B 3 200mg, vitamin B 6 50mg, vitamin PP (niacin) 300mg, folic acid 10mg, biotin 5mg; lysine 3000mg, methionine 1000mg, threonine 1000mg, tryptophan 400mg.

[0029] When the granular sludge in the operating UASB reactor floats, the biological additive can help the granular sludge restore the desired structure and remain in the r...

Embodiment 3

[0031] Difference with embodiment 1 is that in every kilogram of additive, raw material component content is:

[0032] Saccharomyces cerevisiae 8%; Glucose 8%; CaCO 3 8g; FeSO 4 ·H 2 O 18g; CuSO4 ·5H 2 O 1000mg; MnSO 4 ·H 2 O 600mg; ZnSO 4 ·H 2 O 200mg; CaIO 3 30mg;Mo 2 SeO 3 6mg; balance of wheat. After the yeast is dried, they are pulverized and mixed together according to the proportion of the components to obtain the required additive, which contains various microbial growth factors per kilogram:

[0033] Vitamin A 180000IU, Vitamin D 3 24000IU, Vitamin E 400mg, Vitamin K 3 10mg, vitamin B 1 40mg, vitamin B 2 90mg, vitamin B 3 150mg, vitamin B 6 100mg, vitamin PP (niacin) 200mg, folic acid 20mg, biotin 3mg; lysine 4000mg, methionine 800mg, threonine 2000mg, tryptophan 200mg.

[0034] When the granular sludge in the operating UASB reactor floats, the biological additive can help the granular sludge restore the desired structure and remain in the rea...

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PUM

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Abstract

A composite biologic additive for improving the efficiency and performance of up-flow anaerobic sludge fluidize-bed reactor is prepared from wine brewing yeast, glucose, CaCO3, FeSO4.H2O, CuSO4-5H2O, MnSO4.H2O, ZnSO4.H2O, CaIO3, Mo2SeO3 and wheat through drying, proportional mixing and pulverizing.

Description

technical field [0001] The invention relates to environmental biotechnology, in particular to a composite biological additive for improving the efficiency of anaerobic bioreactors and its preparation method and application. Background technique [0002] The sludge in the upflow anaerobic sludge fluidized bed reactor (UASB) needs to be formed into granules, and these granules need to have good settling properties and highly specific activities. Due to the low density of granular sludge and rising methane gas, the biggest difficulty in the operation of UASB reactors is keeping the granular sludge inside the reactor. [0003] Trace elements are essential to all microorganisms, but their bioavailability in anaerobic processes is low. Methanogens are a large group of bacteria, each with its own unique trace element requirements. Since these trace elements can be strongly chelated, although sometimes high concentrations of trace elements are measured by atomic absorption, their b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/28C12N1/20
Inventor 张颖徐慧史荣久陈冠雄
Owner SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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