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PTA (Purified Terephthalic Acid) mother liquor wastewater deep treatment and cobalt-manganese recovery system

A technology of advanced treatment and recycling system, applied in multi-stage water treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. problems, to achieve the effect of reducing load, saving costs, and good manganese removal effect

Inactive Publication Date: 2015-03-18
WUXI XINGSHENG ENVIRONMENTAL PROTECTION EQUIPCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, for the treatment of PTA mother liquor, some are directly discharged after simple filtration to remove impurities, which has neither rational utilization of resources nor pollution Harsh nature and bring irreversible damage to the ecological environment
Most of them adopt recovery process to process PTA mother liquor, but these recovery processes are relatively simple and cannot precipitate PA and PT solids well, and in the subsequent process, the treatment of metal ions is not in place, and the treatment effect is not obvious. Cobalt manganese The recovery rate is very low, and the treated wastewater has not yet reached the discharge standard

Method used

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  • PTA (Purified Terephthalic Acid) mother liquor wastewater deep treatment and cobalt-manganese recovery system

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Embodiment Construction

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] like figure 1 As shown, a kind of PTA mother liquor wastewater advanced treatment and cobalt manganese recovery system according to the present invention, it comprises mother liquor filter, one-stage regulating tank, iron removal filter, two-stage regulating tank and cobalt-manganese filter, which are connected in sequence , a lye tank is arranged between the first-stage regulating tank and the second-stage regulating tank; a PTA mother liquor waste water storage tank is arranged at the front end of the mother liquor filter; a sewage treatment station is arranged at the rear end of the cobalt-manganese filter; A filter iron recovery device is arranged under the iron removal filter; a cobalt and manganese recovery device is arranged under the cobalt-manganese filter. The method adopts segmental treatment, and has good effects of removing solids, co...

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Abstract

The invention relates to a PTA (Purified Terephthalic Acid) mother liquor wastewater deep treatment and cobalt-manganese recovery system. The PTA mother liquor wastewater deep treatment and cobalt-manganese recovery system comprises a mother liquor filter, a first-stage filtration and feeding tank, an iron removal filter, a second-stage filtration and feeding tank and a cobalt-manganese filter which are sequentially connected, wherein an lye tank is arranged between the first-stage filtration and feeding tank and the second-stage filtration and feeding tank. According to the PTA mother liquor wastewater deep treatment and cobalt-manganese recovery system, a staged treatment is adopted, good solid removal effect, the cobalt removal effect and the manganese removal effect are achieved, the resources are reasonably utilized and the sewage from the final stage is in line with discharge standards.

Description

technical field [0001] The invention relates to a waste water treatment system, in particular to a waste water recycling and treatment system. Background technique [0002] In the prior art, for the treatment of PTA mother liquor, some are simply filtered to remove impurities and then directly discharged, which does not make reasonable use of resources, but also pollutes the nature and brings irreversible damage to the ecological environment. Most of the recovery processes are used to treat the PTA mother liquor, but these recovery processes are relatively simple, and cannot precipitate PA and PT solids well, and in the subsequent treatment process, the treatment of metal ions is not in place, and the treatment effect is not obvious. The recovery rate is very low, and the treated wastewater has not yet met the discharge standard. SUMMARY OF THE INVENTION [0003] Purpose of the invention: the purpose of the present invention is to overcome the deficiencies in the prior ar...

Claims

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Application Information

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IPC IPC(8): C02F9/04C22B7/00
CPCC02F1/001C02F9/00C02F2101/20C02F2101/206C02F2301/08C22B7/00Y02P10/20
Inventor 俞新乐周孟林
Owner WUXI XINGSHENG ENVIRONMENTAL PROTECTION EQUIPCO
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