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In Association with
Effluent liquid retention by ceramic membranes
Industrial Biotechnology Congress
A Belouatek, A Chougui, K Zaiter and B Asli
Universit�© de Mostaganem, Alg�©rie
Posters-Accepted Abstracts: J Biotechnol Biomater
Abstract
In this paper, the retention of a series of dyes, wastewater and salt molecules by two membranes (symbolized MLS and AMLS) was studied. Filtration tests were performed on a laboratory scale filtration, using a recycling configuration at 5 bar. In the present study the application of the filtration process is investigated mainly in the retention of color, heavy metals and chemical oxygen demand (COD) present in wastewater. Filtration studies using ceramic membranes were performed for solutions containing salts, Congo red, lead (Pb(NO3)2) and industrial waste water. The results showed the permeate flux for the different wastewaters through these membranes varied from 274.28L/hm2 (for AMLS) to 514.29L/hm2 (for MLS). The rejection rate salts and Congo red was strongly influenced by the electrical interactions between ionic species and surface membrane. The maximum observed solute retention, using AMLS membrane, of lead ion, Congo red and NaCl was 100%, 95% and 47% respectively. Cross-flow filtration was carried out then, in order to reduce the turbidity and chemical oxygen demand (COD). The result showed a high retention of turbidity (100%) and COD (87%).Biography
Email:
abelouatek@voila.fr