Batch and semi-continuous anaerobic codigestion of Olive mill wastewaters and diluted poultry manure: a laboratory scale optimal ratio evaluation Online publication date: Tue, 09-Jan-2024
by Imane Qarraey; Abd-Essamad Moujanni; Aaziz Ouatmane
International Journal of Environment and Waste Management (IJEWM), Vol. 33, No. 1, 2024
Abstract: The anaerobic codigestion of olive mill wastewater (OMWW) and poultry manure (PM) was investigated in order to determine the appropriate mixture ratio with a focus on total and OMWW organic load contribution. Codigestion was first explored through batch tests using a combination of four PM dry basis ratios (1 to 4%) and four volumetric OMWW ratios (0 to 15%). Thereafter, codigestion was attempted at semi-continuous mode, at batch identified appropriate PM ratio, using a gradual OMWW increase up to 20%. Results showed that the maximum BMP was recorded with PM monodigestion with biogas peak of 410.48 mL/gVS at 5.38 gVS/L. Under the semi-continuous conditions, increasing OMWW fed ratio improved biogas yield up to total feed of 1.57 gVS/L.d achieving a maximum production of 215.85 ± 23.56 mL/gVS.d. The codigestion of OMWW and PM was possible up to a critical OMWW VS contribution of 40% to 50%.
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Environment and Waste Management (IJEWM):
Login with your Inderscience username and password:
Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.
If you still need assistance, please email subs@inderscience.com