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Nickel-containing wastewater treatment system and method

Technology of a processing system and processing method

Pending Publication Date: 2019-02-01
珠海杰赛科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wastewater treated by the resin adsorption method is greatly affected by the nickel content in the original nickel-containing wastewater. When the nickel content in the original nickel-containing wastewater is relatively high, it will not only affect the treatment efficiency of the resin adsorption, but also lead to serious problems. The effect becomes worse, that is, the nickel content of the treated wastewater is greater than 0.1mg / l, and the resin adsorption cost is high, generally used for units with a relatively small amount of nickel-containing wastewater
It can be seen that whether chemical precipitation method or resin adsorption method is used, the effluent quality stability of nickel-containing wastewater is relatively poor.

Method used

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  • Nickel-containing wastewater treatment system and method
  • Nickel-containing wastewater treatment system and method
  • Nickel-containing wastewater treatment system and method

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a nickel-containing wastewater treatment system includes a storage device 1, a filter device 3, a treatment device 2 and a pipeline system (not shown in the figure). The storage device 1 includes a raw water storage tank 11 and a product water storage tank 12 And the concentrated water storage tank 13, the raw water storage tank 11, the filtering device 3, and the processing device 2 are connected in sequence, the product water outlet of the processing device 2 is connected to the product water storage tank 12, and the concentration of the processing device 2 The water outlet is connected to the concentrated water storage tank 13, the treatment device 2 is a reverse osmosis treatment device, and the pipeline system is used to provide a pipeline for liquid circulation in the nickel-containing wastewater treatment process.

[0029] The specific structure can be as follows: the storage tank device 1 further includes an intermediate storage tank 14 an...

Embodiment 2

[0038] Such as image 3 As shown, the difference between this embodiment and the foregoing embodiment is that the raw water storage tank 110, the filtering device 3, the first pressurizing device 410, and the primary treatment device 210 are sequentially connected, and the product water outlet and the concentrated water of the primary treatment device 210 are connected in sequence. The outlets are respectively connected to the tertiary treatment device 230 and the secondary treatment device 220. The produced water outlet and the concentrated water outlet of the tertiary treatment device 230 are respectively connected to the produced water storage tank 120 and the raw water storage tank 110. The production of the secondary treatment device 220 The water outlet and the concentrated water outlet are respectively connected to the raw water storage tank 110 and the concentrated water storage tank 130. The sewage treatment process in this embodiment is as follows: the nickel-containi...

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Abstract

The invention discloses a nickel-containing wastewater treatment system. The nickel-containing wastewater treatment system comprises a storage device, a filtering device, a treating device and a pipesystem, wherein the storage device comprises a raw water storage tank, a produced water storage tank and a concentrated water storage tank which are sequentially connected, the produced water outlet of the processing device is connected with the produced water storage tank, the concentrated water outlet of the treating device is connected with the concentrated water storage tank, and the filteringfineness of the filtering device is 5-10 mu; the treating device is a reverse osmosis treating device; the pipe system is used for providing fluid flowing pipes during nickel-containing wastewater treatment. According to the principles of reverse osmosis, the nickel-containing wastewater treatment system can concentrate and separate wastewater, ensure quality stability of effluent water and avoidlimitation of wastewater treatment capacity, and meanwhile is easy to maintain. The nickel-containing wastewater treatment system and method is small in space occupation, thereby being applicable tonew construction or in-situ upgraded reconstruction; the wastewater treatment process saves additional chemicals, thereby being low in environmental pollution. Meanwhile, the nickel-containing wastewater treatment system is applicable to achieving automation.

Description

【Technical Field】 [0001] The invention relates to the technical field related to the treatment of nickel-containing wastewater, in particular to a treatment system and method for nickel-containing wastewater. 【Background technique】 [0002] Existing nickel-containing wastewater is usually treated by chemical precipitation method, and some nickel-containing wastewater is treated by resin adsorption method. Chemical precipitation is to adjust and control the pH value of nickel-containing wastewater, while adding coagulation and flocculation substances, etc., to precipitate the nickel in the nickel-containing wastewater, and then press and filter it into nickel-containing sludge, and then transfer it to a qualified unit for treatment . This method occupies a large area and requires additional addition of a large amount of chemicals. The quality of the treated wastewater and effluent is unstable, and it is difficult to control it below 0.1mg / l. Resin adsorption is the use of resin ...

Claims

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Application Information

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IPC IPC(8): C02F9/02C02F101/20
CPCC02F1/001C02F1/441C02F2301/066C02F2301/08C02F2209/005C02F2101/20
Inventor 宁武珍蒋茂胜彭胜峰郑凡
Owner 珠海杰赛科技有限公司
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