Water treatment method for hilly country rural area micro-pollution water sources

A treatment method and micro-pollution technology, which is applied in the field of water treatment, can solve the problems of not reaching the treatment effect, and achieve the effect of simple structure, low manufacturing cost and small footprint

Inactive Publication Date: 2017-01-25
CHONGQING ACADEMY OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For organic pollution and rural slightly polluted source water with high COD content, simply adding coagulant for pretreatment cannot achieve a good treatment effect

Method used

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  • Water treatment method for hilly country rural area micro-pollution water sources

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1, such as figure 1 As shown: the integrated biochemical drinking water treatment device of the present invention consists of a sedimentation tank 1, an oxidation pretreatment tank 2, a source water inlet 3, an aeration pipe 4, a blower 5, a sewage pipe 6, a water outlet 7, and an overflow port 8 , Inspection port 9, Yu flocculation sedimentation tank 10 etc. composition. The sedimentation tank 1 is a box, and the oxidation pretreatment tank 2 and the flocculation sedimentation tank 10 are built from top to bottom against the same side wall in the sedimentation tank 1. The width of the oxidation pretreatment tank 2 is smaller than the width of the flocculation sedimentation tank 10, and the flocculation and sedimentation The width of the pool 10 is smaller than that of the sedimentation tank 1, and the width should be satisfied as far as possible: when overflowing from the flocculation sedimentation tank, it overflows to the middle of the sedimentation tank 1. ...

Embodiment 2

[0016] Embodiment 2: Prepare four integrated biochemical drinking water treatment devices and drop in potassium permanganate respectively in the oxidation pretreatment tank 2, and the input amounts of potassium permanganate in the four integrated biochemical drinking water treatment devices are respectively 1g / L source water, 1.2g / L source water, 1.4g / source water, 1.6g / L source water, flocculants are put into the flocculation sedimentation tank 10, and the flocculants put into the four integrated biochemical drinking water treatment devices are respectively It is ferric oxide, basic alumina, ferrous sulfate, and polyalumina, and the dosage is 0.4g / L. There is activated carbon suction in the sedimentation tank 1, and the activated carbon in the four integrated biochemical drinking water treatment devices The dosage is 1.2g / L source water, 1.4g / L source water, 1.6g / L source water, 1.8g / L source water respectively, and the agent can be added from the respective agent filling port...

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Abstract

The invention discloses a water treatment method for hilly country rural area micro-pollution water sources. The method comprises a step of preparing an integrated biochemical drinking water treatment device, wherein the integrated biochemical drinking water treatment device comprises a sedimentation tank, an oxidation pretreatment tank and a flocculation sedimentation tank are built close to a side wall from top to bottom in the sedimentation tank, a source water inlet is arranged above the oxidation pretreatment tank, source water flows into the oxidation pretreatment tank from the source water inlet, the upper part of the oxidation pretreatment tank is provided with a water outlet, the water outlet is connected with a drain pipe, the drain pipe leads to the bottom of the flocculation sedimentation tank, the bottoms of both the oxidation pretreatment tank and the flocculation sedimentation tank are provided with aeration pipes, the aeration pipes are connected with an air blower, potassium permanganate is put into the oxidation pretreatment tank, a flocculating agent is put into the flocculation sedimentation tank, an activated carbon absorbent is put into the sedimentation tank or ozone is introduced into the sedimentation tank, and the lower part of the sedimentation tank is provided with a water outlet. The water treatment method can effectively remove COD, turbidity, UV254 and SS.

Description

technical field [0001] The invention relates to a method for treating slightly polluted water sources in mountainous rural areas, and belongs to the technical field of water treatment. Background technique [0002] For the treatment of micro-polluted source water in mountainous and rural areas, most of them still use traditional flocculation and sedimentation techniques, and a small part of them use ultrafiltration membrane technology for treatment. Ultrafiltration membrane water treatment technology can remove microorganisms and viruses in water. But before entering the ultrafiltration membrane water treatment device, the water needs to be pretreated. For example: the source water needs to add coagulant first, and then pump the water to the ultrafiltration membrane module for ultrafiltration treatment. The addition of coagulant requires the construction of a mixing tank. After the source water is pumped into the mixing tank, the coagulant is added, then stirred evenly with...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/283C02F1/444C02F1/5245C02F1/72C02F1/78C02F2003/003C02F2209/08C02F2209/10C02F2209/11C02F2303/04
Inventor 雷晓玲杜安珂
Owner CHONGQING ACADEMY OF SCI & TECH
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