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Status of biomethanation development in the Philippinesby: P. F. Ventura
World Journal of Microbiology and Biotechnology, Vol. 4, No. 1. (1 March 1988), pp. 151-158.
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AbstractTwo major agro-industrial enterprizes have commercialized the biomethanation technology in the Philippines: the Maya Farm and the Central Azucarera de Tarlac. The Maya Farm produces biogas from the manure of 25 000 pigs. The reactors are of the batch type. The gas production is used for electricity generation, water pumping and heating, solid wastes drying etc. The Central Azucarera de Tarlac produces biogas from distillery slops and filter cake. The principle of the treatment is decantation followed by thermophilic anaerobic digestion lagooning with and without aeration and finally, irrigation of the sugar-cane fields with the final liquid effluent. The pollution load of the influent is reduced by 80% after anaerobic digestion and by 99% at the end of the treatment. The biogas produced is used to reactivate the spent carbon in the refinery kilns and in the boilers.
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