About permeability importance
From the inside which will bite flowing in the water
– Gap among is connected each other and from the place which is high flowing with the low-end place
Is caused by with permeation and power affects in stability
(When there is permeation type, gap hydraulic pressure increase -> Effective stress decrease -> Shear strength decrease -> In stability fa
Overview
-R.O membrane type (Bang, junho)
-Property, affecting factor (Park, minoh)
-State of the art R.O membrane (Yoon, sehyun)
Advantages & Disadvantages
Stable performance in applications
Relatively low cost
Narrow operating pH range
Susceptibility to biological attack
Structural compaction
Under high pressure and low upper temperature limit
Advantages & Disadvantage
빛 투과성이 높다.
높은 다공성, gel에서 액체 대신 기체로 채워진 형태
→ 전기, 소리, 열에 대한 내성 강함.
98%가 기체로 채워져있어서 고체중 가장 가벼움
(밀도는 공기밀도(0.001g/㎡)의 3배인 0.003g/㎡ 정도)
⇒ 초단열이 요구되는 분야, 촉매의 담체, 고 에너지 물리 등 높은 응용 잠재력
s
Dialysis
What is dialysis?
Dialysis is a membrane process where solutes (MW~<100 Da) diffuse from one side of the membrane (feed side) to the other (dialysate or permeate side) according to their concentration gradient. First application in the 70’s.
General Principles
Separation between solutes is obtained as a result of differences in diffusion rates.
These are arising from differe