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Method for removing algae and peculiar smell by adding chlorine in water treatment process

A water treatment process and odor removal technology, which is applied in water/sewage multi-stage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of insignificant algae odor effect and achieve good treatment effect. Effect

Inactive Publication Date: 2010-06-09
GUIZHOU BRANCH CHINA ALUMINUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The above methods can remove most of the algae, but the effect of removing the odor caused by algae is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Before the water treatment enters the coagulation sedimentation tank, add chlorine (liquid chlorine, add water through the rotor chlorinator; the addition is 0.3 g / ton of water, after 10 hours of reaction, the residual chlorine after precipitation is 0.05PPM, and the coagulation The precipitated water is filtered, sterilized, and transported to users. The treated drinking water meets the national drinking water standard, without algae-specific water odor, and the concentration of chloroform is qualified, which meets the national standard.

Embodiment 2

[0029] Add chlorine between the coagulation and precipitation process of water treatment (liquid chlorine, add water by rotor chlorinator; The addition is 0.4 g / ton of water, after reacting for 10 hours, the residual chlorine after precipitation is 0.06PPM, will coagulate The precipitated water is filtered, sterilized, and transported to users. The treated drinking water meets the national drinking water standard, without algae-specific water odor, and the concentration of chloroform is qualified, which meets the national standard.

Embodiment 3

[0031] Add chlorine (liquid chlorine, add in water by rotor chlorinator; add-on is 0.5 gram / ton of water) between the coagulation of water treatment and precipitation flow process, after reacting for 10 hours, residual chlorine after precipitation is 0.10PPM, mixes The condensed and precipitated water is then filtered, sterilized, and delivered to users. The treated drinking water has reached the national drinking water standard, without the unique water odor of algae, and the concentration of chloroform has passed the inspection, which meets the national standard.

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PUM

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Abstract

The invention discloses a method for removing algae and peculiar smell by adding chlorine in a water treatment process, which relates to a method for removing algae and peculiar smell produced by the algae in the drinking water treatment in particular. The water treatment process comprises the following steps: performing coagulative precipitation on raw water, filtering in a filter, sterilizing and conveying to users. The method is characterized in that in the water treatment process, the chlorine is added into the water before the water is fed into a coagulative precipitation tank; and after the chlorine is added and the solution is reacted for 10 hours, the filtering process of the water treatment in the filter is carried out. Through a large amount of laboratory experiments and industrial experiments, the method of the invention fulfills the aims of removing the algae and the peculiar smell by changing the chlorine adding position and controlling the residual chlorine before filtering under the condition that the conventional water treatment process and the operating mode are changed little; the algae removing efficiency reaches over 95 percent; and the effect of treating water stink produced by removing the algae is better.

Description

technical field [0001] The invention relates to a method for removing algae and peculiar smell by adding chlorine in a water treatment process, and relates to a method for treating drinking water, in particular to removing algae and removing peculiar smell produced by algae. Background technique [0002] Algae is a low-level plant that grows in water polluted by organic matter. The existence of algae has a great impact on water quality and the normal operation of water supply processes. With the aggravation of water pollution and the improvement of people's living standards, in the process of domestic water treatment The treatment of algae is getting more and more attention. [0003] Judging from literature reports, the current algae removal unit processes in water treatment mainly include chemical agent method, microfiltration machine, air flotation, direct filtration, enhanced coagulation sedimentation, biological treatment, etc. [0004] 1. Chemical agent method [0005...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F1/50C02F1/76C02F1/52
Inventor 韦坡王华付通顺李金聚
Owner GUIZHOU BRANCH CHINA ALUMINUM IND