Direct Contact Membrane Distillation of Dairy Process Streams

Membranes

Angela Hausmann¹  Peter Sanciolo¹  Todor Vasiljevic¹  Elankovan Ponnampalam¹  Nohemi Quispe-Chavez¹  Mike Weeks² 

[1] ISI-Institute for Sustainability and Innovation, Victoria University, Melbourne, Victoria, 3030, Australia; E-Mails:;Dairy Innovation Australia Ltd., Werribee, Victoria, 3030, Australia; E-Mails:

关键词: direct contact membrane distillation;    milk dairy;   

DOI  :  10.3390/membranes1010048

来源: mdpi

【 摘 要 】

Membrane distillation (MD) was applied for the concentration of a range of dairy streams, such as whole milk, skim milk and whey. MD of a pure lactose solution was also investigated. Direct contact MD (DCMD) mode experiments were carried out in continuous concentration mode, keeping the warm feed/retentate and cold permeate stream temperatures at 54 °C and 5 °C respectively. Performance in terms of flux and retention was assessed. The flux was found to decrease with an increase of dry-matter concentration in the feed. Retention of dissolved solids was found to be close to 100% and independent of the dry-matter concentration in the feed. Fourier Transform Infrared Spectroscopy (FTIR) of the fouled membranes confirms organics being present in the fouling layer.

【 授权许可】

CC BY   
© 2011 by the authors; licensee MDPI, Basel, Switzerland.