A microbial carrier of Thiobacillus denitrificans

A microbial carrier, Thiobacillus denitrification technology, which is applied in biological water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc. problems, to achieve the effect of low cost, low burden on the environment, and overall simplification of equipment

Active Publication Date: 2020-01-17
东莞市台腾环保材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a microbial carrier of Thiobacillus denitrificans, which can effectively solve the problem that the existing general microbial carriers are prone to cause the activity of Thiobacillus denitrificaci The problem of achieving the effect of water treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A microbial carrier (QCL-Bacillus) of Thiobacillus denitrificans, consisting of the following components in mass percentage: sulfur: 30%, sodium thiosulfate: 30%, limestone: 30%, potassium dihydrogen phosphate: 0.5 %, magnesium oxide: 0.5%, and the balance is binder. The magnesium oxide is modified magnesium oxide. Moreover, the particle sizes of the sulfur, sodium thiosulfate, limestone, potassium dihydrogen phosphate and magnesium oxide are all less than 100 mesh.

[0015] The manufacturing method of this embodiment is the same as the aforementioned manufacturing method, and the detailed description of the manufacturing method of this embodiment will not be given here.

Embodiment 2

[0017] A microbial carrier (QCL-Bacillus) of Thiobacillus denitrificans, consisting of the following components in mass percentage: sulfur: 20%, sodium thiosulfate: 20%, limestone: 25%, potassium dihydrogen phosphate: 0.3 %, magnesium oxide: 0.3%, and the balance is binder. The magnesium oxide is modified magnesium oxide. Moreover, the particle sizes of the sulfur, sodium thiosulfate, limestone, potassium dihydrogen phosphate and magnesium oxide are all less than 100 mesh.

[0018] The manufacturing method of this embodiment is the same as the aforementioned manufacturing method, and the detailed description of the manufacturing method of this embodiment will not be given here.

Embodiment 3

[0020] A microbial carrier (QCL-Bacillus) of Thiobacillus denitrificans, consisting of the following components in mass percentage: sulfur: 22%, sodium thiosulfate: 15%, limestone: 23%, potassium dihydrogen phosphate: 0.2 %, magnesium oxide: 0.4%, and the balance is binder. The magnesium oxide is modified magnesium oxide. Moreover, the particle sizes of the sulfur, sodium thiosulfate, limestone, potassium dihydrogen phosphate and magnesium oxide are all less than 100 mesh.

[0021] The manufacturing method of this embodiment is the same as the aforementioned manufacturing method, and the detailed description of the manufacturing method of this embodiment will not be given here.

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Abstract

The invention discloses a microbial carrier of thiobacillus denitrificans. The microbial carrier comprises, by weight percentage, 20-30% of sulfur, 15-30% of sodium thiosulfate, 20-30% of limestone, 0.2-0.5% of potassium dihydrogen phosphate, 0.3-0.5% of magnesium oxide and the balance of adhesive. The microbial carrier has the advantages that the microbial carrier is large in specific surface area, has a large-pore-volume absorption structure and can carry the thiobacillus denitrificans; the thiobacillus denitrificans is an obligate autotrophic denitrifying bacterium and is capable of removing nitrate nitrogen so as to degrade the total nitrogen in polluted water; the microbial carrier does not need to provide an extra energy source needed by the thiobacillus denitrificans, generation of microorganisms other than the thiobacillus denitrificans is avoided, related problems cannot derive, and the microbial carrier using inorganic matter such as the sulfur and carbonate is low in environment burden as compared with microbial carriers using organic matter; equipment used by the microbial carrier is simple in overall structure and low in operation cost and hardly generates sludge.

Description

technical field [0001] The invention relates to the technology in the field of water treatment, in particular to a microbial carrier of Thiobacillus denitrificans. Background technique [0002] At present, microbial carriers used in the field of water treatment are usually made of materials such as vinyl resin, urethane or PVA, and materials with large specific surface areas such as zeolite powder and activated carbon are also used to make carriers. However, the above-mentioned microbial carriers are all general microbial carriers. Because of the difference in water quality, other microorganisms will multiply on the surface and inside of the carrier and start to proliferate. This will cause the activity of Thiobacillus denitrificaci to decrease, so it cannot reach the level of treated water. Effect. Contents of the invention [0003] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a microbial carrier of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/00C02F3/28C02F3/34
CPCC02F3/00C02F3/2806C02F3/34
Inventor 刘济忠石井裕之
Owner 东莞市台腾环保材料科技有限公司
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