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Assessment of Methane Production Features and Kinetics from Poultry Dropping Waste under Mesophilic Conditions
 
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1
Physical Chemistry and Materials Laboratory, Ben M’Sik Faculty of Sciences, Hassan II University, Av Driss El Harti, B.P 7955 Sidi Othmane, 20 670, Casablanca, Morocco
 
2
Organic Synthesis, Extraction and Valorisation Laboratory, Faculty of Sciences Ain Chock, Hassan II University, Km 8 Route d'El Jadida, B.P. 5366 Maarif, 20100 Casablanca, Morocco
 
 
Corresponding author
Sara Rhandouriate   

Physical Chemistry and Materials Laboratory, Ben M’Sik Faculty of Sciences, Hassan II University, Av Driss El Harti, B.P 7955 Sidi Othmane, 20 670, Casablanca, Morocco
 
 
Ecol. Eng. Environ. Technol. 2024; 7:186-195
 
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ABSTRACT
Waste from poultry droppings in Had Soualem is valuable because it is rich in organic molecules that break down easily. One way to use this waste is by making methane from it. This helps reduce its volume and its impact on the environment. We are studying how mixing this waste with green waste can assess the effect of co-digestion with a green waste co-substrate in batch mode, under mesophilic conditions at 37°C and using an infinitely mixed laboratory digester CSTR (Continuous Stirred Tank Reactor) with a capacity of 1.5 liters. During this process, the parameters pH, TOC, NTK, COD, alkalinity, and conductivity at the digester were monitored at the laboratory scale, and volatile fatty acids were modified to promote the bioconversion of biomass into methane. When everything works just right, the reactor stays stable, and it can make up to 70% methane, with only 1 to 1.5% hydrogen sulfide. This shows that combining poultry waste with green waste could be a good way to deal with these types of organic waste, turning them into something valuable and making the process more appealing.
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