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Calcium silicate plate sewage processing method

A sewage treatment method and calcium silicate board technology, which are applied in water/sewage treatment, biological water/sewage treatment, neutralized water/sewage treatment, etc. and other problems, to achieve the effect of improving effluent quality and volume load, improving capacity, and stabilizing effluent quality.

Inactive Publication Date: 2019-01-22
桂林桂特板业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A large amount of wastewater is produced in the production process of calcium silicate board. Calcium silicate board wastewater is one of the most difficult industrial wastewater. It has a large amount of pollutants, complex components, many refractory substances, high content of organic substances, and difficult treatment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A calcium silicate board sewage treatment method, comprising the following steps:

[0021] (1) Introduce the calcium silicate board sewage into the sewage treatment tank, add a sewage treatment agent into the sewage treatment tank, and let it stand for 8 hours to obtain a treated sewage. The sewage treatment agent is composed of the following components by weight: polymeric sulfuric acid 5 parts of iron, 25 parts of inorganic silica gel, 15 parts of polyacrylamide, 5 parts of sodium dodecylsulfonate;

[0022] (2) Through the ceramic membrane separator with a pore size of 0.8 μm, the solid-liquid separation of the primary treated sewage is carried out to obtain the secondary treated sewage;

[0023] (3) Adjust the pH of the secondary treated sewage to 7.0 to obtain the tertiary treated sewage;

[0024] (4) The sewage treated three times is introduced into the membrane bioreaction tank, and the membrane bioreactor is set in the membrane bioreaction tank, and there is act...

Embodiment 2

[0027] A calcium silicate board sewage treatment method, comprising the following steps:

[0028] (1) Introduce the calcium silicate board sewage into the sewage treatment tank, add a sewage treatment agent into the sewage treatment tank, and let it stand for 10 hours to obtain a treated sewage. The sewage treatment agent is composed of the following components by weight: polymeric sulfuric acid 9 parts of iron, 30 parts of inorganic silica gel, 20 parts of polyacrylamide, 8 parts of sodium dodecylsulfonate;

[0029] (2) Solid-liquid separation of primary treated sewage is carried out through a ceramic membrane separator with a pore size of 1.0 μm to obtain secondary treated sewage;

[0030] (3) Adjust the pH of the secondary treated sewage to 7.5 to obtain the tertiary treated sewage;

[0031] (4) The sewage treated three times is introduced into the membrane bioreaction tank, and the membrane bioreactor is set in the membrane bioreaction tank, and there is activated sludge ...

Embodiment 3

[0034] A calcium silicate board sewage treatment method, comprising the following steps:

[0035] (1) Introduce the calcium silicate board sewage into the sewage treatment tank, add a sewage treatment agent into the sewage treatment tank, and let it stand for 9 hours to obtain a treated sewage. The sewage treatment agent is composed of the following components by weight: polymeric sulfuric acid 7 parts of iron, 28 parts of inorganic silica gel, 17 parts of polyacrylamide, 6 parts of sodium dodecylsulfonate;

[0036] (2) Solid-liquid separation of primary treated sewage is carried out through a ceramic membrane separator with a pore size of 0.9 μm to obtain secondary treated sewage;

[0037] (3) Adjust the pH of the secondary treated sewage to 7.2 to obtain the tertiary treated sewage;

[0038] (4) The sewage treated three times is introduced into the membrane bioreaction tank, and the membrane bioreactor is set in the membrane bioreaction tank, and there is activated sludge i...

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PUM

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Abstract

The invention relates to a calcium silicate plate sewage processing method. The method includes the following steps: (1) sewage treatment tank treatment; (2) ceramic membrane separator solid-liquid separation; (3) pH adjustment; (4) membrane biological reaction tank treatment; and (5) flowing of an effluent from the membrane biological reaction tank in a water storage tank. The calcium silicate plate sewage processing method of the invention combines a ceramic membrane separator and a membrane biological reaction tank, which greatly improves the solid-liquid separation ability of a system, theeffluent quality and volume load of the system are greatly improved, the effluent quality is stable, and the generated odor can be deodorized to meet a discharge standard.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a calcium silicate board sewage treatment method. Background technique [0002] Calcium silicate board, as a new type of green and environmentally friendly building material, not only has the functions of traditional gypsum board, but also has the advantages of superior fire resistance, moisture resistance and long service life. It is widely used in suspended ceilings and partition walls of industrial and commercial engineering buildings, home decoration, Lining boards for furniture, billboards, warehouse sheds, network floors, and wall panels for interior projects such as tunnels. [0003] Calcium silicate board is made of loose short fibers such as inorganic mineral fibers or cellulose fibers as reinforcing materials, and siliceous-calcic materials as the main cementing material. Plates made of calcium silicate gel. It is a new type of building and industrial board w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/10
CPCC02F1/00C02F1/44C02F1/66C02F3/12C02F9/00C02F2101/10
Inventor 蒋仁红
Owner 桂林桂特板业有限公司