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                      For treating second water tianjin JiZhuangzi Projects

                       

                        Introduction
                      JiZhuangzi reuse water treatment project for purification the second water from JiZhuangzi WWTP started in 2010.
                      The SMF project is designed largely to reuse the original sand filter, which means no new workshop building is needed and most of the original tanks and pipes can be modified and reused in the new project. Only 1/3 original tanks were modified as SMF membrane tanks, but the capacity increases from 30000 m3/d to 53200 m3//d. When the second phase of SMF is completed, the project capacity can reach 80000 m3/d.
                      From the project operation, the permeation quality and membrane characteristic are satisfying. MOTIMO’s good production and excellent after-sales service have won the social praise.

                       Scope of Work
                      MOTIMO has undertaken and completed SMF system and RO system design, equipment installation and commissioning.

                       Process

                       

                       

                       SMF Membrane Parameters

                      Specification

                      Manufacture

                      MOTIMO

                      Membrane style

                      Hollow fiber membrane

                      Filtration style

                      Outside-in

                      Material

                      PVDF

                      Hollow fiber inside diameter

                      0.6 mm

                      Hollow fiber outside diameter

                      1.1 mm

                      Adhesive material

                      Epoxy resin

                      Membrane area

                      35 m2

                      Pore size

                      0.03 μm

                      Performance

                      Permeate turbidity

                      ≤0.2 NTU

                      SS

                      ≤1 mg/L

                      E.Coli*

                      None

                       SMF Operation Parameters

                      Operation Parameters

                      Designed water flux for secondary sedimentation tank (20 °C)

                      1.4 m3/h·module ~
                      2.1 m3/h·module

                      Trans membrane pressure

                      5 kPa~80 kPa

                      Temperature range

                      5~45 °C

                      Acidity and alkalinity range

                      pH 2~10

                      Operation style

                      Dead-end filtration

                      Process Parameters

                      Filtration period

                      20 min~60 min

                      Backwash style

                      Air scrubbing + Water backwash

                      Air flux

                      2.5~5 m3/h·module

                      Water flux

                      2~3 m3/h·module

                      Air scrubbing time

                      20 s~60 s

                      Water backwash time

                      20 s~60 s

                      CEB period

                      24 h~48 h

                      CIP period

                      20 d~40 d


                       
                      Flux and TMP of a SMF Tank In Operation


                       
                      Turbidity of Raw Water and Permeate Water

                      SMF membrane tank
                      Membrane modules
                      Backwash and aeration
                      Pipes

                       

                       

                       

                      甘肃11选5五码遗漏

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