Biogas, renewable energy resource for Pakistan
2011
Amjid, Syed S. | Bilal, Muhammad Q. | Nazir, Muhammad S. | Hussain, Altaf
Developing countries are in critical energy crisis. Pakistan spends almost 7 billion US$ on import of fossil fuels annually to congregate its energy needs. The renewable and sustainable energy resources are best substitute to the conventional fuels and energy sources. Pakistan takes the opportunity to have almost 159 million animals producing almost 652millionkg of manure daily from cattle and buffalo only; that can be used to generate 16.3millionm³ biogas per day and 21milliontons of bio fertilizer per year. That compensate approximately 20% of nitrogen and 66% of phosphorus required in the crop fields. Apart from this sugarcane industry has got the potential to generate 3000MW energy. Domestic biogas plants were started in Pakistan in 1959 and at present there is significant number of such working units. Biogas Support Program (BSP) was started in 2000 by Pakistani government. So far it has achieved the target of installing 1200 biogas units, whereas another 10,000units are expected to be set up in coming 05years that will harvest almost 27% of country's biogas potential. A biogas unit of 10m³ size is anticipated to save almost 92,062 PKR per year on account of conventional fuels spent otherwise. Women's opportunity cost, with introduction of biogas units reportedly increased; subsequently impacting positively on household income. Biogas energy generation systems are in demand and their number is increasing steadily. They are low-cost and can be run with very small budget. Biogas energy corridor can work as a good substitute for nearly 70% of country's population residing in rural areas. Installation of plants to bottle the biogas can be additional opportunity. The need of a national policy is imperative to bring this technology at farmer's doorstep.
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