A NOVEL MODE OF NEAR ZERO LIQUID DISCHARGE FOR HIGH-TECH ZONES:FIVE-LEVEL-TREATMENT&FIVE-LEVEL-REUSE

HUI Cizhang; ZHANG Wenlong; WANG Yuming; TONG Jiaxin; LI Yi

doi:DOI:10.13205/j.hjgc.202207028

Volume 40 Issue 7

Sep. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(7): 193-199

HUI Cizhang, ZHANG Wenlong, WANG Yuming, TONG Jiaxin, LI Yi. A NOVEL MODE OF NEAR ZERO LIQUID DISCHARGE FOR HIGH-TECH ZONES:FIVE-LEVEL-TREATMENT&FIVE-LEVEL-REUSE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 193-199. doi: DOI:10.13205/j.hjgc.202207028

Citation:

HUI Cizhang, ZHANG Wenlong, WANG Yuming, TONG Jiaxin, LI Yi. A NOVEL MODE OF NEAR ZERO LIQUID DISCHARGE FOR HIGH-TECH ZONES:FIVE-LEVEL-TREATMENT&FIVE-LEVEL-REUSE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 193-199. doi: DOI:10.13205/j.hjgc.202207028

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A NOVEL MODE OF NEAR ZERO LIQUID DISCHARGE FOR HIGH-TECH ZONES:FIVE-LEVEL-TREATMENT&FIVE-LEVEL-REUSE

doi: DOI:10.13205/j.hjgc.202207028

HUI Cizhang^1,2,
ZHANG Wenlong^1,2,
WANG Yuming^1,2,
TONG Jiaxin^1,2,
LI Yi^{1,2,3
,
,}

1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China;
2. College of Environment, Hohai University, Nanjing 210098, China;
3. National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Nanjing 210098, China

Received Date: 2021-04-16
Available Online: 2022-09-02

Abstract

Abstract

Near zero liquid discharge (NZLD) of high-tech zone (HTZ) is an effective way to improve water resources utilization efficiency and promote industrial restructuring and upgrading.However,current NZLD research mainly focused on the development and improvement of unit treatment technology,and neglected the systematic NZLD scheme for an integrated zone,which restricted the practice and popularization of NZLD.To this end,taking the whole HTZ as the research object,on the basis of systematic analysis of water use and drainage characteristics of typical industries,a five-level-treatment&five-level-reuse NZLD mode was proposed,which was the coupling of in-situ treatment-reuse based on water quality,enterprise wastewater treatment-comprehensive reuse,zone wastewater plant treatment-municipal use,ecological treatment-ecological water supplement,regeneration treatment-industrial reuse.Key problems of the mode were also analyzed,such as the construction of an intelligent decision system,the development of water treatment technology,and the establishment of an operation guarantee system.The novel mode would provide a feasible and effective way for NZLD of high-tech zones.
- high-tech zone,
- near zero liquid discharge,
- water resources optimal allocation,
- water resources reuse

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References

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