구분
- Particle범위(㎛)
- 제거물질
- 통과물질
- 가동압
- 적용
RO(Reverse Osmosis)4>
- 분자량 100↑
- All dissolved salt
- 물 분자
- 14 to 69 bar (200-1000 psi)
- Sea water Brackish Semiconductor
NF(Nano Filtration)
- 1㎚ (10 Å) MWCO 200-400
- 색깔 , TOC (surface) 경도 (well)
- Mono-valent anion 2-80% Divalent anion 2-10%
- 3.5 to 16 bar (50-225 psi)
- Separation of organic from inorganics
UF(Ultra Filtration)
- 1(20-100 Å) 이상 MWCO 1000-100,000
- 콜로이드, 단백질 미생물, contaminants 큰 유기물
- Dissolved salts Smaller molecular
- 1 to 7 bar (15-100 psi)
- 전처리 후처리
MF(Micro filtration)
- 약 01.~1
- 부유물질(SS) Large colloid
- Micro molecular Dissolved solid
- 0.7 bar (10psi)
- Bacteria, TSS Flocculate material