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Membrane separation Continuous ion-exchange / Chromatographic separation Electrodialysis(ED)/ Bipolar membrane electrodialysis(BMED) Equipment accessories / consumables Customized engineering equipment
Application area Engineering case Industry information Membrane separation technology
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Application
?目前反滲透技術(shù)已成為海水淡化最主要的方法之一,而預(yù)處理是反滲透技術(shù)必不可少的步驟。因傳統(tǒng)方法不能完全去除膠體和懸浮物質(zhì),出水水質(zhì)易波動,從而降低反滲透膜的產(chǎn)水能力及壽命。超濾膜微孔的孔徑只允許水分子、水中的有益礦物質(zhì)和微量元素通過,因此細(xì)菌以及比細(xì)菌體積大得多的膠體、鐵銹、懸浮物、泥沙、大分子有機(jī)物等都能被超濾膜截留下來,從而實(shí)現(xiàn)了凈化過程。
一、工藝流程
圖1:兩種海水淡化處理工藝原理圖
二、技術(shù)優(yōu)點(diǎn)
1、陶瓷膜或者M(jìn)BR系統(tǒng)應(yīng)用于海水淡化預(yù)處理過程中,產(chǎn)水濁度<0.1 NTU,SDI15<2.0;
2、改善反滲透膜進(jìn)水水質(zhì),延長反滲透膜使用壽命,減少化學(xué)藥劑消耗等;
3、結(jié)構(gòu)簡單,系統(tǒng)占地面積小,且投資少。
4、產(chǎn)水速度快
5、節(jié)能環(huán)保,成本低
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