Method for pretreating source water with combined pollutants of high-concentration ammonia nitrogen, high-concentration organic matter and manganese

A compound pollution and high ammonia nitrogen technology is applied in the field of pretreatment of source water with high ammonia nitrogen, high organic matter and manganese compound pollution. It can solve the problems of high ammonia nitrogen, high organic matter and manganese compound pollution, and achieve energy saving and investment. The effect of removing and making up for costs

Inactive Publication Date: 2011-08-17
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a method for pretreating source water with high ammonia nitrogen, high organic matter and manganese compound pollution; solves the problem of high ammonia nitrogen, high organic matter and manganese compound pollution in water source water

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  • Method for pretreating source water with combined pollutants of high-concentration ammonia nitrogen, high-concentration organic matter and manganese

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specific Embodiment approach 1

[0010] Specific embodiment one: in this embodiment, the source water method for pretreatment of high ammonia nitrogen, high organic matter and manganese compound pollution is realized through the following steps:

[0011] 1. Add permanganate compound agent PPC to the source water for chemical pre-oxidation. The chemical pre-oxidation time is 20-30 minutes. Among them, the dosage of permanganate compound agent PPC is 0.6-0.8 mg / L. The water source The water temperature is 20-30°C, the pH value is 7.1-7.6, the turbidity is 15.2-83.3NTU, the ammonia nitrogen concentration is 0.70-4.25mg / L and the permanganate index concentration is 4.40-7.80mg / L, the total manganese The concentration is 0.16~1.13mg / L;

[0012] 2. Pass the source water after chemical pre-oxidation treatment into the biological aerated filter for treatment. The process parameters of the biological aerated filter process: use volcanic rock as the filler of the biological aerated filter, and the particle size of the ...

specific Embodiment approach 2

[0015] Embodiment 2: This embodiment differs from Embodiment 1 in that: the dosage of the permanganate compound agent PPC in Step 1 is 0.65-0.75 mg / L. Other steps and parameters are the same as the specific way one.

specific Embodiment approach 3

[0016] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the dosage of the permanganate compound agent PPC in Step 1 is 0.70 mg / L. Other steps and parameters are the same as in the first embodiment.

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Abstract

The invention discloses a method for pretreating source water with combined pollutants of high-concentration ammonia nitrogen, high-concentration organic matter and manganese, belonging to the field of drinking water treatment and aiming at solving the problem of the combined pollution of high-concentration ammonia nitrogen, high-concentration organic matter and manganese in the source water. The method includes the steps as follows: firstly, adding potassium permanganate composite (PPC) in the source water for chemical preoxidation; and secondly, introducing the source water after chemical preoxidation into a biological aerated filter for treatment, wherein the biological aerated filter takes volcanics as fillers, so that pretreatment of the source water is realized. The method achieves permanganate index removal rate of 20%-35% and ammonia-nitrogen removal rate of above 80%, and obviously relieves pollution-removal load of a follow-up technology.

Description

technical field [0001] The invention belongs to the field of drinking water treatment, and in particular relates to a method for pretreating source water with high ammonia nitrogen, high organic matter and manganese compound pollution. Background technique [0002] With the rapid development of industry and agriculture, the problem of water pollution caused by human factors has become increasingly prominent. The overall water quality of the seven major water systems in my country, including the Yangtze River, Yellow River, Pearl River, Songhua River, Huaihe River, Haihe River and Liaohe River, is seriously polluted. The water quality of many river networks is used as drinking water sources for people. threat to life and security. It is difficult to treat source water containing high ammonia nitrogen, high organic matter and manganese complex pollution by conventional processes. Contents of the invention [0003] The invention provides a method for pretreating source water ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 韩梅赵志伟崔福义
Owner HARBIN INST OF TECH
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