Pipeline Style SDI(FI)Pollution Index Apparatus - SDI

Pipeline Style SDI(FI)Pollution Index Apparatus - SDI
:
Shanghai Minipore Industrial Co.Ltd
: 2008-12-25 19:01:47
:
Water Treatment

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Description Of Pipeline Style SDI(FI)Pollution Index Apparatus - SDI

Pipeline Style SDI(FI)Pollution Index Apparatus - SDI Specificaton & Trade Terms

ModelSDI
Place Of OriginChina
Price TermEX-Work
Payment TermT/T
Portable SDI(FI) Sludge Density Index Apparatus
QZDY-SDI47
Sludge Density Index(SDI) ,also know as Fouling Index(FI), is one of important parameter of water quality. It indicate the amount of particle,colloid and other substance in water that can occlude various water filter elements. In reverse osmosis water treatment system,SDI value is a important index of the water quality feeding in reverse osmosis membrane.
When feeding water is being filterated in microporus membrane,membrane should be gradually accluded, bringing on attenuation of flowrate, transformed into numercial value, namely SDI index, range usually between 1 ans 100, SDI index value smaller, menbrane should be more difficult to be occluded by particles and colloids. Comprehensively considered from economic efficiency, SDI index of feeding water into RO membrane is generally required under "5".
Under pore size 0.45 um of microporus membrane,colloid substances more easily occlude filter membrane,so,this pore size is usually used for determination of the SDI. Mircroporous membrane piece spec, -OD.47mm, pore size 0.45um.

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