Topic
Reverse osmosis
About: Reverse osmosis is a research topic. Over the lifetime, 20780 publications have been published within this topic receiving 299185 citations. The topic is also known as: RO.
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TL;DR: In this paper, hollow fiber microfiltration was used as a pretreatment to reverse osmosis (RO) for evaluation of the production of high-quality water from secondary effluent.
101 citations
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TL;DR: In this article, a full-scale plant using anaerobic, anoxic and oxic processes (A1/A2/O), along with a pilot-scale membrane bioreactor (MBR), nanofiltration (NF) and reverse osmosis (RO) integrated system developed by Shanghai Baosteel Chemical Co. Ltd., was investigated to treat coking wastewater for industrial reuse over a period of one year.
Abstract: A full-scale plant using anaerobic, anoxic and oxic processes (A1/A2/O), along with a pilot-scale membrane bioreactor (MBR), nanofiltration (NF) and reverse osmosis (RO) integrated system developed by Shanghai Baosteel Chemical Co. Ltd., was investigated to treat coking wastewater for industrial reuse over a period of one year. The removals reached 82.5% (COD), 89.6% (BOD), 99.8% (ammonium nitrogen), 99.9% (phenol), 44.6% (total cyanide (T-CN)), 99.7% (thiocyanide (SCN-)) and 8.9% (fluoride), during the A1/A2/O biological treatment stage, and all parameters were further reduced by over 96.0%, except for fluoride (86.4%), in the final discharge effluent from the currently operating plant. The pilot-scale MBR process reduced the turbidity to less than 0.65 NTU, and most of the toxic organic compounds were degraded or intercepted by the A1/A2/O followed MBR processes. In addition, parameters including COD, T-CN, total nitrogen, fluoride, chloride ion, hardness and conductivity were significantly reduced by the NF-RO system to a level suitable for industrial reuse, with a total water production ratio of 70.7%. However, the concentrates from the NF and RO units were highly polluted and should be disposed of properly or further treated before being discharged.
101 citations
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TL;DR: In this article, the removal of arsenate [As(V)] and arsenite [As (III)] from water was investigated by using reverse osmosis (RO) technique with SWHR and BW-30 (FILMTEC) membranes.
101 citations
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TL;DR: In this paper, a complex membrane filtration technology for whey processing was developed, where hollow-fibre, ceramic, and spiral wound modules were used to extract the permeates from micro-and ultra-filtration (MF and UF).
101 citations
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TL;DR: In this article, the economic evaluation of a two-stage solar organic rankine cycle (SORC) for using the mechanical energy produced during the thermodynamic process to drive a reverse Osmosis (RO) desalination unit is presented.
101 citations