Topics: Anaerobic digestion, Waste management, Methane Pages: 4 (1084 words) Published: January 2, 2014
With a very well established cattle dung based biogas plant programme, it is naturalthat the quest for increasing the biogas generation in the country will lead to developingof biomethanation processes for the use of substrates other than cattle dung. At present,most of them are treated as waste, garbage, nuisance and hazard. The improper or inadequate disposal of such wastes leads to unhealthy conditions. This becomes a sourceof pollution and a public health problem. If such waste is recycled in a biogas plant, itwill be a source of energy, health and wealth. 2)Alternative substrates for biomethanation

When alternative substrates for biomethanation are contemplated, the current cattledung based biogas plant technology will have to be modified to suit the particular alternative substrate. For developing a biomethanation process for each type of substrate,the parameters, the design criteria and the characteristics of the substrate will have to beconsidered as a package for evolving a technology process. 3)Vegetable waste as a substrate for biomethanation

One such alternative substrate for biomethanation is vegetable market waste (Mandiwaste). At present, it’s collection, transportation and disposal is a problem for most citiesand towns where there are vegetable markets. If this waste could be digested in a biogasdigester, both biogas and fertilizer could be produced. In addition, the management of public health problem arising out of such waste could be dealt with effectively. Thereexists a significant potential for processing of such wastes as a new non conventionalenergy source.Ct.—page 2-----------------------------------------------------------------------------------------------------------*Director, Jyotsna Arogya Prabodhan, Dehu Village, Tal- Haveli, Dist-Pune,(Maharashtra) 412 109Secretary, Appa Patwardhan Safai W...
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