|
|
Article: Study data from K. Walha and co-authors update knowledge of environmental research.
- Article from:
- Nanotechnology Weekly
- Article date:
- November 9, 2009
CopyrightCOPYRIGHT 2009 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
According to a study from Sfax, Tunisia, "Tuna cooking juice from a Tunisian tuna-processing unit has a high level of polluting load: chemical oxygen demand (COD) is comprised between 4 and 20 g L-1, nitrogen kjedahl (NK) between 0.6 and 3 g L-1 and dry matter between 120 and 160 g L-1. The juice has thus to be treated before being rejected into the environment."
"This paper considers the nanofiltration (NF) of these concentrated organic/inorganic mixtures using an AFC 30 (NF) membrane. The work focusses on the effect of organic and inorganic matters on the permeate flux and rejections of these matters. For this purpose, mixtures of salt and organic pollution ...