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Biomass in Pakistan

The availability of biomass in Pakistan is also widespread. Urban areas of Pakistan generate over 55000 tones of solid wastes, 225 000 tonnes of crop residue and over 1 million tonnes of animal manure are produced daily. More than a total of 15 million layer-chicken and 528 broiler chicken birds were approximately produced in 2003 with a share of 22%, 68%, 3.5% and 6.5% of Sindh, Punjab, Balochistan and NWFP provinces respectively. According to unofficial estimates, hardly 5 to 10% poultry farms have membership of Pakistan Poultry Association (PPA). As per livestock Census 2006 there are 56.9 million animals (Buffaloes, cow, and bullocks) in Pakistan. On the average the daily dung dropping of medium size of animal is estimated 15 kg per day. This would yield 854 million kg dung/day. Assuming 50 % connectivity the availability of fresh dung comes out to be 427 million kg/day. Thus 21.35 million M3 biogas can be produced through bio-methanation. In addition it will also produce 450 million tonnes of bio-fertilizer per day, which is essential requirement for sustaining of the fertility of agricultural land.

It is estimated that the potential production of biogas from livestock residue is 8.8 to 17.2 billion cubic meters of gas per year (equivalent to 55 to 106 TWh of energy). Additionally, the annual electricity production from bagasse (the fibrous residue remaining after sugarcane or sorghum processing) is estimated at 5700 GWh.

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