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Upgrading modification method for improving water quality of sewage effluent through microorganism purification technology

A microbial purification and sewage treatment plant technology, applied in biological water/sewage treatment, chemical instruments and methods, special compound water treatment, etc., can solve problems such as storage capacity increase, sludge pollution, and increased environmental burden, and achieve reduction of daily expenses, The effect of simplifying the operating process and reducing operating costs

Active Publication Date: 2016-04-13
中林山水(北京)生态科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, there are also phenomena such as low operation rate of treatment facilities and substandard effluent quality, which affect the social benefits of sewage treatment plants.
The front-end sewage cannot be fully collected and the terminal pollutants cannot be fully treated. These are the two major problems that currently plague the operation of sewage plants in my country. As a result, the sewage treatment plant itself has become the main body of sewage discharge.
[0003] Most of the existing sewage plants use a large amount of flocculant for flocculation and sedimentation to increase the sludge production, and at the same time increase the carbon source to increase the COD capacity and operate stably. Some enterprises adopt the method of increasing aeration to reduce the TN or TP content, but the effect is not good. At the same time, it wastes resources, produces chemical pollution and sludge pollution, and increases the burden on the environment.
Moreover, the capital investment is huge, and the water quality of the sewage treatment plants in each city cannot meet the national sewage discharge standards or reclaimed water reuse standards.
[0004] Some water plants adopt the investment method of increasing hardware facilities, but this does not fundamentally increase the storage capacity. The increased part will also lead to an increase in the sludge production of the water plant, and the water quality discharge is not up to standard. At the same time, the sludge will pollute the environment. Therefore, most of the space for its increased capacity is allocated to sludge, and the ability to treat sewage has not been improved in the long run.

Method used

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  • Upgrading modification method for improving water quality of sewage effluent through microorganism purification technology
  • Upgrading modification method for improving water quality of sewage effluent through microorganism purification technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Embodiment 1. Example 1 of using microbial purification technology to improve the water quality of sewage plant effluent

[0066] The method implementation steps of A. example 1

[0067] The experimental sewage plant is 1, and the sewage sample is extracted from the fine grid outlet of the sewage plant, and mixed with the induced microbial flora preparation, bioremediation agent, and biological antidote according to the volume ratio of 1:4.8:7.5:11 to carry out pollution control functional flora Amplification, and then put enzyme preparation in the amplification sample according to the standard of 100ml of 1 cubic water. The initial adjustment period of the water plant is 3-4 months, and the strains are screened once a week according to the above method, and the functional flora is updated. After 3-4 months, it enters a stable operation period, and screening is carried out every 2 months.

[0068] After 8-9 days of cultivation and 3 days of amplification, the indigen...

Embodiment 2

[0075] Example 2. Example 2 of using microbial purification technology to improve the water quality of sewage plant effluent

[0076] The method implementation steps of A. example 2

[0077]The number of experimental sewage plants is 2. Sewage samples are extracted from the fine grid outlet of the sewage plant, mixed with induced microbial flora preparations, bioremediation agents, and biological antidotes in a volume ratio of 1:3:5:7 to carry out pollution control function bacteria The expansion of the group, and then put the enzyme preparation in the amplification sample according to the standard of 100ml of 1 cubic water. The initial adjustment period of the water plant is 3-4 months, and the strains are screened once a week according to the above method, and the functional flora is updated. After 3-4 months, it enters a stable operation period, and screening is carried out every 2 months.

[0078] After 8-9 days of cultivation and 3 days of amplification, the indigenous f...

Embodiment 3

[0085] Example 3. Example 3 of using microbial purification technology to improve the water quality of sewage plant effluent

[0086] The method implementation steps of A. example 3

[0087] The number of experimental sewage plants is 3. Sewage samples are extracted from the fine grid outlet of the sewage plant, and mixed with induced microbial flora preparations, bioremediation agents, and biological antidotes at a ratio of 1:4:5.7:6 to carry out pollution control functional flora. Amplify, and then put enzyme preparation in the amplified sample by the standard of 100ml of 1 cubic water. The initial adjustment period of the water plant is 3-4 months, and the strains are screened once a week according to the above procedures, and the functional flora is updated. After 3-4 months, it enters the stable operation period and is screened every 2 months.

[0088] After 8-9 days of cultivation and 3 days of amplification, the indigenous functional bacteria were cultivated with a s...

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Abstract

The invention discloses an upgrading modification method for improving the water quality of sewage effluent through the microorganism purification technology and belongs to the technical field of microorganism water purification. The method sequentially includes the following steps that firstly, dominant bacterial communities carried by sewage are screened in situ so that a microorganism functional bacterial agent can be obtained; secondly, an amplified microorganism preparation is put in the sewage; thirdly, the aeration work condition is continuously increased; fourthly, the aeration work condition is decreased step by step; fifthly, returned sludge is increased. The microbial preparation is put in the sewage to stabilize balance of a biochemical system by adjusting running parameters of the biochemical system of a sewage plant, the generation amount of sludge is reduced, TN, TP, BOD, COD and other substances in metabolic water are digested, stable self-purification living organisms are cultivated, integrity of a food chain is guaranteed, water is purified, water quality reaches the standard, and plant capacity expansion is achieved. By means of the method, the capacity of the sewage plant can be efficiently and stably expanded at low cost in an energy-conservation mode.

Description

technical field [0001] The invention belongs to the technical field of microbial water purification, and in particular relates to a method for upgrading and transforming the effluent water quality of a sewage plant by using the microbial purification technology. Background technique [0002] my country is a country with a large population, a large water consumption, and a large water shortage. The distribution of water resources is uneven. As of the end of March 2014, a total of 3,622 sewage treatment plants have been built in cities and counties across the country, with a designed sewage treatment capacity of about 153 million cubic meters per day. With the increase in construction quantity, the expansion of construction scale, and the continuous enhancement of treatment capacity, sewage treatment plants have played an important role in improving the quality of urban environment. But at the same time, the phenomenon of low operation rate of treatment facilities and substanda...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34
CPCC02F3/34C02F3/342C02F3/348C02F2305/06
Inventor 李楠
Owner 中林山水(北京)生态科技有限公司