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Efficient ecological sewage treating promoter and its preparation process

A technology of sewage treatment and accelerator, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., which can solve the problem of long process start-up period, low treatment load and removal rate, and indigenous microbial population. single problem, to achieve the effect of increasing the treatment load and pollutant removal rate, shortening the start-up period, and improving the aerobic environment

Inactive Publication Date: 2008-07-09
SHENYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in sewage ecological treatment projects, underground infiltration and artificial wetland technologies are mainly used. The disadvantages are that the indigenous microbial population in the soil is single, the process start-up period is long, and the treatment load and removal rate are low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: The present invention is made up of microbial strain, nutrient substance, adsorbent and leavening agent. According to the mass percentage, 10% of microbial strains, 8% of nutrients, 42% of adsorbents, and 40% of leavening agents. Among them, microbial strains include ammonifying bacteria, nitrifying bacteria, denitrifying bacteria, phosphobacteria and actinomycetes. According to the mass percentage, ammonifying bacteria are 26%, nitrifying bacteria are 24%, denitrifying bacteria are 25%, and phosphobacteria are 15%. , Actinomycetes 10%. Nutrients include chicken manure, horse manure and Daokang. According to the mass percentage, chicken manure is 21%, horse manure is 39%, and Daokang is 40%. The adsorbent includes zeolite, vermiculite and seaweed powder, in terms of mass percentage, 41% of zeolite, 18% of vermiculite and 41% of seaweed powder. The leavening agent includes rice husk powder, sawdust powder and grass toner, and according to the mass percent...

Embodiment 2

[0017] Embodiment 2: the present invention is made up of microbial strain, nutrient substance, adsorbent and leavening agent. According to the mass percentage, there are 9% of microbial strains, 10% of nutrients, 38% of adsorbents and 43% of leavening agents. Among them, microbial strains include ammonifying bacteria, nitrifying bacteria, denitrifying bacteria, phosphobacteria and actinomycetes. According to the mass percentage, ammonifying bacteria 25%, nitrifying bacteria 25%, denitrifying bacteria 24%, phosphobacteria 13% , Actinomycetes 13%. Nutrients include chicken manure, horse manure and Daokang. According to the mass percentage, chicken manure is 21%, horse manure is 39%, and Daokang is 40%. The adsorbent includes zeolite, vermiculite and seaweed powder, in terms of mass percentage, 42% of zeolite, 19% of vermiculite and 39% of seaweed powder. The leavening agent includes rice husk powder, sawdust powder and grass toner, and according to mass percentage, rice husk p...

Embodiment 3

[0023] Embodiment 3: the present invention is made up of microbial strain, nutrient substance, adsorbent and leavening agent. According to the mass percentage, there are 11% of microbial strains, 11% of nutrients, 41% of adsorbents and 37% of leavening agents. Among them, microbial strains include ammonifying bacteria, nitrifying bacteria, denitrifying bacteria, phosphobacteria and actinomycetes. According to the mass percentage, ammonifying bacteria 24%, nitrifying bacteria 24%, denitrifying bacteria 26%, phosphobacteria 15% , Actinomycetes 11%. Nutrients include chicken manure, horse manure and Daokang. According to the mass percentage, chicken manure is 22%, horse manure is 41%, and Daokang is 37%. The adsorbent includes zeolite, vermiculite and seaweed powder, and according to mass percentage, 43% of zeolite, 16% of vermiculite and 41% of seaweed powder. The leavening agent includes rice husk powder, sawdust powder and grass toner, and according to mass percentage, rice ...

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Abstract

The present invention is efficient ecological sewage treating promoter and its preparation process. The efficient ecological sewage treating promoter consists of microbe seeds 5-15 wt%, nutrient matters 5-15 wt%, adsorbent 35-45 wt% and puffing agent 35-45 wt%. The preparation process includes the following steps: collecting fresh active sludge within 6 hr from the aeration basin of sewage treating yard; screening out from the active sludge ammonifying bacteria, nitrifying bacteria, denitrifying bacteria, phosphophilic bacteria and actinomycete; compounding microbe seeds, amplifying culturing and drying to obtain dry mixed microbe seeds; compounding the microbe seeds, nutrient matters, adsorbent and puffing agent in the said proportion; and re-drying to water content in 4-6 wt% to obtain the efficient ecological sewage treating promoter. The present invention can improve the microbe colony in soil effectively, shorten technological starting period, and raise ecological sewage treating effect.

Description

Technical field: [0001] The invention relates to a treatment method for purifying sewage by using underground infiltration and artificial wetland technology in sewage treatment, in particular to a sewage treatment accelerator and a preparation method thereof. Background technique: [0002] With the development of society and the growth of population, the problem of sewage treatment has become increasingly prominent, especially a large amount of domestic sewage has been produced, which contains a large number of organic pollutants, pathogenic bacteria and protozoa. The domestic sewage pollution problem is particularly prominent in the suburbs, villages and villa areas far away from the sewage pipe network. At present, in sewage ecological treatment projects, underground infiltration and constructed wetland technologies are mainly used. The disadvantages are that the indigenous microbial population in the soil is single, the process start-up period is long, and the treatment l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34
Inventor 邹轶王书文李英华戴莹黄海华孙铁珩
Owner SHENYANG UNIV
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