I recovered olive mill wastewater for microbiological analyzes and biological treatment.
Dear Saiba Ali,
It will depend of Aw in your wastewater. You maintain your wastewater in cool chambers at 4 ºC wether use them in a few days / weeks.
If you want more information I sugest this article for purpose of yours.
P.E. Poh, M.F. Chong. Development of anaerobic digestion methods for palm oil mill effluent (POME) treatment (Review). Biosource Technology, v. 100, n. 1, 1-9, 2009
Article Pollution control technologies for the treatment of palm oil...
In my experience using OMWW for membrane separation, each time I tried to freeze or store the wastewater at low temperatures, the wastewater quality changed sensibly (and from a separation and membrane fouling point of view, negatively). This is why I store them now in separated tanks, at outdoor temperature during winter permitting the gas that forms to escape. The water should be used quickly, since e.g. COD decay is approx. 40% each month.
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