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Effect of total solids content on biogas production in a family scale biogas digester [electronic resource].

By:

Rashwan, M. A

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Language: English Summary language: Arabic Description: p.1195- 1210Other title:

تاثير محتوي المواد الصلبة للمخلفات علي انتاج البيوجاز في مخمر عائلي [Added title page title]

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Misr journal of agricultural engineering, 2013 v.30 (4) [electronic resource].

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In: Misr Journal of Agricultural Engineering 2013.v.30(4)Summary: Anaerobic digestion is a biological degradation process used to convert organic wastes from Animals and plants into biogas. Produce biogas I from these wastes gives a new and clean energy and good organic fertilizer as a method to protect environment from pollution by wastes. In this paper, a continuous flow family scqle biogas digester was designed and constructed in Abiss, Alexandria governorate,at the year of 20II. The study was conducted to develop biogas digester for farmer family scale. It was designed with installed capacity of cattle dung from 5 to 6 heads or about I 00.0 kg/dung/day. The digester was operated in mesophilic conditions of 22 to 27 °C temperature range at three levels of average total solid content (TS) 6 %, I 0 % and I7 % under one month hydraulic retention time (HRT) for each treatment. The experiments were conducted to investigate the production of biogas (BP) rate from Cattle wastes by using anaerobic digestion process. Tlie results indicated that, the biogas production rate was about 3m3/day at average total solids of 10 %with methane content (MC) of 77 %and it was about I.85, and 2.33 m3/day at average total solids of 6 % and I7 % with methane content of 58 and 7I % respectively. The digester showed stable performance with highest biogas production (3 m3/day) and yield (0.43 Liter gas/Liter of volume/day) with volatile solids (VS) reduction of around 90% during loading rate (LR) of2I kg VS/day.

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Anaerobic digestion is a biological degradation process used to convert organic wastes from Animals and plants into biogas. Produce biogas I from these wastes gives a new and clean energy and good organic fertilizer as a method to protect environment from pollution by wastes. In this paper, a continuous flow family scqle biogas digester was designed and constructed in Abiss, Alexandria governorate,at the year of 20II. The study was conducted to develop biogas digester for farmer family scale. It was designed with installed capacity of cattle dung from 5 to 6 heads or about I 00.0 kg/dung/day. The digester was operated in mesophilic conditions of 22 to 27 °C temperature range at three levels of average total solid content (TS) 6 %, I 0 % and I7 % under one month hydraulic retention time (HRT) for each treatment. The experiments were conducted to investigate the production of biogas (BP) rate from Cattle wastes by using anaerobic digestion process. Tlie results indicated that, the biogas production rate was about 3m3/day at average total solids of 10 %with methane content (MC) of 77 %and it was about I.85, and 2.33 m3/day at average total solids of 6 % and I7 % with methane content of 58 and 7I % respectively. The digester showed stable performance with highest biogas production (3 m3/day) and yield (0.43 Liter gas/Liter of volume/day) with volatile solids (VS) reduction of around 90% during loading rate (LR) of2I kg VS/day.

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