NF-RO-MD salt fractionation and desalination system
The invention belongs to the technical field of chemical engineering, relates to a method for industrial wastewater treatment and a membrane separation related technology, in particular to a method for salt fractionation and desalination of concentrated brine by utilizing combined multi-stage membra...
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Format | Patent |
Language | Chinese English |
Published |
15.12.2017
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Online Access | Get full text |
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Abstract | The invention belongs to the technical field of chemical engineering, relates to a method for industrial wastewater treatment and a membrane separation related technology, in particular to a method for salt fractionation and desalination of concentrated brine by utilizing combined multi-stage membrane separation technologies, and provides a NF-RO-MD salt fractionation and desalination system to achieve zero discharge and resource utilization of industrial wastewater. The system comprises three membrane process treatment units for nanofiltration (NF), reverse osmosis (RO) and membrane distillation (MD). Multiple schemes can be adopted for desalination and salt fractionation of the same type of wastewater, a process flow contained in each desalination and salt fractionation scheme is also varied, and arrangement and combination ways of the process flows include but are not limited to any combination and arrangement orders of the filtration method. No matter how many stages of treatment and what kind of arrangem |
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AbstractList | The invention belongs to the technical field of chemical engineering, relates to a method for industrial wastewater treatment and a membrane separation related technology, in particular to a method for salt fractionation and desalination of concentrated brine by utilizing combined multi-stage membrane separation technologies, and provides a NF-RO-MD salt fractionation and desalination system to achieve zero discharge and resource utilization of industrial wastewater. The system comprises three membrane process treatment units for nanofiltration (NF), reverse osmosis (RO) and membrane distillation (MD). Multiple schemes can be adopted for desalination and salt fractionation of the same type of wastewater, a process flow contained in each desalination and salt fractionation scheme is also varied, and arrangement and combination ways of the process flows include but are not limited to any combination and arrangement orders of the filtration method. No matter how many stages of treatment and what kind of arrangem |
Author | LIU LIHUI GUO FEI CAI JINGCHENG WANG MAI CONG SHUO AN SHUO |
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DocumentTitleAlternate | NF-RO-MD分盐脱盐系统 |
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RelatedCompanies | BEIJING PROTECHT ENVIRONMENTAL TECHNOLOGY LTD DALIAN UNIVERSITY OF TECHNOLOGY |
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Snippet | The invention belongs to the technical field of chemical engineering, relates to a method for industrial wastewater treatment and a membrane separation related... |
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SubjectTerms | CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
Title | NF-RO-MD salt fractionation and desalination system |
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