| 학회 |
한국화학공학회 |
| 학술대회 |
2022년 봄 (04/20 ~ 04/23, 제주국제컨벤션센터) |
| 권호 |
28권 1호, p.176 |
| 발표분야 |
[주제 11] 물환경기술 |
| 제목 |
Analysis of spacer geometry on reverse osmosis membranes via computational fluid dynamics (CFD) |
| 초록 |
Reverse osmosis desalination (RO) is an essential separation technique that is used in many potable and industrial water production processes. Its main purpose is to separate dissolved salts from sweater using a semi-permeable membrane. Spacers are fiber-like structures in RO modules and are designed to balance the mixing effect and pressure drop which is directly related to water permeation and energy consumption. In this research, simulations via computational fluid dynamics (CFD) is presented where user defined functions (UDF) are applied to boundaries of the membrane modules. This is done to simulate water flux across membrane units in order to evaluate various spacer designs. Simulating SWM membranes allows qualitative analysis on the membranes and the flow around the spacer filaments which is difficult to execute on experiments. Zones within the membrane module that have uniform spatial distributions are identified and are utilized for quantitative analysis. Both analyses are done to analyze flux, pressure drop and concentration polarization; several case studies are carried out to achieve this to ultimately assess membrane properties and spacer configurations. |
| 저자 |
배성진1, 구보람2, 이재형1
|
| 소속 |
1KAIST, 2전남대 |
| 키워드 |
공정시스템(Process Systems Engineering) |
| E-Mail |
|
| 원문파일 |
초록 보기 |
