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An integrated treatment device and method for groundwater with high iron, high manganese and high ammonia nitrogen

A treatment device and groundwater technology, applied in the direction of contaminated groundwater/leachate treatment, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problems of complex operation management, unstable effluent manganese, high operating costs, etc., to achieve High-efficiency treatment device and method, superior treatment effect and low operating cost

Active Publication Date: 2017-11-21
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of unstable effluent manganese in the existing biological iron and manganese removal technology when treating groundwater with high iron, manganese and high ammonia nitrogen, long treatment process, long operation cycle, complicated operation management, high operation cost, large investment, and low water production. etc., and provide an integrated treatment device and method for high-iron, high-manganese, and high-ammonia-nitrogen groundwater

Method used

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  • An integrated treatment device and method for groundwater with high iron, high manganese and high ammonia nitrogen
  • An integrated treatment device and method for groundwater with high iron, high manganese and high ammonia nitrogen
  • An integrated treatment device and method for groundwater with high iron, high manganese and high ammonia nitrogen

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specific Embodiment approach

[0026] Specific implementation method: combined figure 1 , 2 , the present embodiment is an integrated treatment device for high-iron, high-manganese, and high-ammonia-nitrogen groundwater. (6), the filter tank outlet pipe (7), the backwash pipe (8), the backwash pump (5), and the clear water tank (3) are composed.

[0027] Raw water enters the drop water aeration tank (2) through the deep well lifting device. There is a water inlet submersible pump (4) in the drop water aeration tank (2), and the outlet pipe of the drop water aeration tank (2) is an integrated two-stage The water inlet pipe (6) of the inner filter column (1-2) of the filter tank (1). Falling into the outer filter column (1-1) through the overflow weir (1-3), the outer filter column (1-1) adopts the downward flow water inlet method, and the outlet water of the outer filter column (1-1) Enter the clean water pool (3) through the outlet pipe (7).

[0028] The clean water tank (3) has a backwash pump (5), the...

specific example

[0040] An integrated treatment device for high-iron, high-manganese, and high-ammonia-nitrogen groundwater consists of a drop water aeration tank (2), an integrated two-stage filter tank (1), an inlet submersible pump (4), a filter tank inlet pipe (6), a filter It consists of a tank outlet pipe (7), a backwash pipe (8), a backwash pump (5), and a clear water tank (3);

[0041] 1. Raw water enters the drop water aeration tank (2) through the deep well lifting device. There is a water inlet submersible pump (4) in the drop water aeration tank (2), and the outlet pipe of the drop water aeration tank (2) is integrated The water inlet pipe (6) of the inner filter column (1-2) of the two-stage filter tank (1). The effluent water falls into the outer filter column (1-1) through the overflow weir (1-3), and the outer filter column (1-1) adopts the water inlet method of downward flow, The outlet water of the water enters the clear water pool (3) through the outlet pipe (7).

[0042] Th...

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Abstract

The invention relates to a high-iron, high-manganese and high-ammonia nitrogen underground water integral treatment apparatus and a method thereof, and belongs to the field of water supply purification. The problem of unable effective synergistic removal of iron, manganese and ammonia nitrogen of high-ammonia nitrogen underground water treatment, and the problems of low iron and manganese removal rate, long treatment process, long running cycle, complex running management and large investment due to unstable manganese removal when the ammonia nitrogen content is high are solved in the invention. The apparatus is composed of an underground water aeration tank, an integral two-stage filtration pot, an inlet water submersible pump, a filtration pot water inlet pipe, a filtration pot water outlet pipe, a backwashing pipe, a backwashing pump and a clear water tank. The method comprises the following steps: 1, starting a filter column; 2, culturing the filter column; and 3, carrying out an underground water treatment stage to complete efficient and stable purifying treatment of the high-iron, high-manganese and high-ammonia nitrogen underground water. The apparatus and the method have the advantages of simple process flow, small occupied area, strong impact resistance, low running cost, and high water yield; and the apparatus and the method allow the iron content, the manganese content and the ammonia nitrogen content of outlet water to be respectively reduced to 0.1mg / L, 0.05mg / L and 0.1mg / L or below.

Description

Technical field: [0001] The invention belongs to the field of water purification. In particular, the invention relates to an integrated treatment device and method for high-iron, high-manganese, and high-ammonia-nitrogen groundwater. Background technique: [0002] The problem of excessive iron and manganese content in groundwater in our country is common. In addition, in recent years, due to sewage irrigation, use of pesticides and fertilizers, and sewage leakage, groundwater has been polluted to varying degrees, resulting in a large concentration of ammonia nitrogen in groundwater. As a result, groundwater with high iron, manganese and high ammonia nitrogen is used as a source of drinking water, which seriously affects its use value, so iron, manganese and ammonia nitrogen in groundwater must be removed. However, the existing iron and manganese removal process is difficult to effectively treat high-iron, high-manganese, and high-ammonia-nitrogen groundwater. When flushing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34C02F103/06C02F101/16C02F101/20
CPCC02F3/348C02F2101/16C02F2101/203C02F2101/206C02F2103/06
Inventor 李冬王玉林曾辉平张杰
Owner BEIJING UNIV OF TECH
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