Anaerobic Co-digestion of Cattle Manure and Wheat Straw Mixture in Liquid State - Optimization of Mix Ratio | Chapter 7 | Novel Aspects on Chemistry and Biochemistry Vol. 3

 This study proposed at optimization of cattle fertilizer (CM) and wheat hay mix (WS) ratio for best biogas production. Anaerobic co-digesting study performed on CM and WS at 5% total solids in mesophilic hotness. Anaerobic digestion has happened traditionally used as an persuasive, environmentally sustainable and inexpensive technology for the biological situation of sewage mud, which enables strength production as heat, power, and/or vehicle fuel, and for the stabilization of book reduction of mud. Wheat straw (WS) as agriculture silt and cattle fertilizer (CM) were collected from the local dairy farms familiar the National Institute of Technology Patna. Biogas was collected utilizing water displacement method. The book of displaced water was famous down on a daily base as it is equal to the biogas result from each reactor. CM and WS assorted on the basis of total continuous in six ratios, namely, 100:0, 80:20, 60:40, 40:60, 20:80, and 0:100. The topmost biogas production of 170.89 mL/g-vsadded noticed in the reactor fed accompanying 100% CM (100:0). A considerable amount of biogas calculated up to 60:40 mix percentage (CM:WS). With the increase in proportion of WS in the join, biogas production decreased. Reactor security in terms of pH and changeable fatty acids also diminished with increase in the percentage of WS. The last three mix ratios revealed low biogas result due to the less methanogenic activity led to by the reduced pH. The modified Gompertz model is able to measure the maximum biogas production, biogas result rate, and lag phase. While the staying two models are useful in determining the hydrolysis rate constant. To forecast total biogas production, three energetic models—the modified Gompertz model, tumor, and monod—were used. Modified Gompertz identified best choice model among these.

Author(s) Details:

Guvvala Harsha,
Civil Engineering Department, National Institute of Technology Patna, 800005, India.

Nityanand Singh Maurya,
Civil Engineering Department, National Institute of Technology Patna, 800005, India.

Please see the link here: https://stm.bookpi.org/NACB-V3/article/view/11026