Feed cycling in dead end filtration

Citation
U. Richter et al., Feed cycling in dead end filtration, CHEM ENG TE, 22(12), 1999, pp. 1029-1033
Citations number
20
Categorie Soggetti
Chemical Engineering
Journal title
CHEMICAL ENGINEERING & TECHNOLOGY
ISSN journal
09307516 → ACNP
Volume
22
Issue
12
Year of publication
1999
Pages
1029 - 1033
Database
ISI
SICI code
0930-7516(199912)22:12<1029:FCIDEF>2.0.ZU;2-N
Abstract
The dead end ultrafiltration of dispersions of active carbon in water was s tudied. High flux of the permeate and effective purification were goals of the studies. Cyclical flow of the feed (cycling) was found to be the best c ondition for good purification. During the purification of the membrane, an air/water dispersion was injected into the hollow fiber membrane (air spar ging) to improve the cleaning effect. A Simplex optimization of significant parameters was carried out. The behavior of pressure drop and module entra nce pressure permitted the classification of the values into two groups. A different build-up of the cake of these groups during the filtration is pos sible.