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Treatment of the Effluent from Washing/Screening/Bleaching of Straw Pulp by "Enhanced Coagulation-SBR Process-Micro-flocculation Flotation" Process

Zikun Wang

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Abstract

Using an enhanced coagulation-SBR process-Micro-flocculation flotation process to treat the effluent from washing/screening/bleaching of straw pulp was studied.The process and key technical parameters were presented.The result showed that the process can effectively remove CODCr and color in the effluent from washing/screening/bleaching of straw pulp.When the CODCr and color of inlet waste water are 1600~2300 mg/L and 500～600 times respectively,the CODCr and color will reduce 125～150 mg/L,and lower than 50 times respectively after treatment,which satisfies the requirements of the GB3544—2008 Discharge standards of water pollutant for pulp and paper industry.

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What this paper is about

Using an enhanced coagulation-SBR process-Micro-flocculation flotation process to treat the effluent from washing/screening/bleaching of straw pulp was studied.The process and key technical parameters were presented.The result showed that the process can effectively remove CODCr and color in the effluent from washing/screening/bleaching of straw pulp.When the CODCr and color of inlet waste water are 1600~2300 mg/L and 500～600 times respectively,the CODCr and color will reduce 125～150 mg/L,and lower than 50 times respectively after treatment,which satisfies the requirements of the GB3544—2008 Discharge standards of water pollutant for pulp and paper industry.

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Available abstract

Using an enhanced coagulation-SBR process-Micro-flocculation flotation process to treat the effluent from washing/screening/bleaching of straw pulp was studied.The process and key technical parameters were presented.The result showed that the process can effectively remove CODCr and color in the effluent from washing/screening/bleaching of straw pulp.When the CODCr and color of inlet waste water are 1600~2300 mg/L and 500～600 times respectively,the CODCr and color will reduce 125～150 mg/L,and lower than 50 times respectively after treatment,which satisfies the requirements of the GB3544—2008 Discharge standards of water pollutant for pulp and paper industry.

Key concepts: Effluent, Pulp and paper industry, Flocculation, Pulp (tooth), Wastewater, Straw, Coagulation, Environmental science

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Treatment of the Effluent from Washing/Screening/Bleaching of Straw Pulp by "Enhanced Coagulation-SBR Process-Micro-flocculation Flotation" Process — Research Paper | ScholarLens