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What is Biogas?
When organic matters like; Agriculture, Animal, and Municipal & Industrial biodegradable waste decompose in an oxygen free environment it produces a gas which is due to biodegradation process is commonly known as Biogas. This biogas mixture is mainly composed of CH4 methane 55% – 65%. This methane is a gaseous bio-fuel which can be used for generating heat and electrical energy.
In addition to Methane Biogas mixture also contains around 30% – 35% and carbon dioxide with traces of hydrogen sulfide and water vapor. As biogas is produced by decomposition of organic wastes so it can easily reproduced by utilizing organic wastes again and again thus not just getting rid of the huge quantities of wastes but also getting low cost renewable and climate friendly bio-fuel.
When people came to know about biogas?
Scientific documented known history dates back to late 18th century when a chemist Jan Baptise van Helmont first discovered that flammable gas produced by composition of organic matters. Sir Humphry Davey a Chemist & inventor (Born 1778 in Cornwall, England) best known for inventing “Davy Lamp”.
Sir Humphry also carried out many experiments on gases and discovering Nitrous Oxide is also being credited to him among many other discoveries. In his experiments with gases he also discovered composition of flammable gases. In his same era another very famous scientist Jon Dalton (Born 1766 in Cumberland, England) mainly researched on Atomic Theory also experimented with what was at that time known as “Marsh Gas” in comparison with “Olefiant Gas” (Ethane Gas).
In 1881 European scientist started using biogas for domestic heating and street lighting. Soon after in 1895 all street lamps of Exeter City were using biogas for lighting produced from sewage waste of the city. In 1898 biogas arrived in Indo-Pak sub-continent and Bombay now Mumbai installed its first biogas plant to fuel engines.
China and India are being most populous in biogas plants started developing “Domestic Biogas Plants” in 1960s. Soon after when fuel crisis rose in 70s people stated looking for alternative sources of fuels. Research on biogas accelerated in different regions of the world and countries like, UK, Germany, America started investing in large scale biogas plants.
Biogas is a gaseous Bio-fuel made up of a mixture of CH4methane (55%-60%) and carbon dioxide (30%) with traces of hydrogen sulfide and water vapor. The gas can be obtained by decomposing any kind of Agriculture, Animal, and Municipal & Industrial biodegradable waste in the absence of oxygen.
Biogas can also be produced by harvesting Energy crops like, Grass Silage, Maize Silage, Sugar Beet and Sunflower etc.
Why Pakistan is most suited for production of biogas?
- Economy is mostly agriculture based so easy to grow energy crops as lands are most fertile in the world
- Hot weather reduces the input energy cost for the production
- Large quantities of organic waste is being produced
- Cheap Labour
Some Advantages of Installing Biogas Plants:
For Dairy & Poultry Farmers:
- Odor reduction and waste control
- Reduction of pathogenic germs
- Free biogas for heating and electricity generation
- Free Organic Fertilizer from the digestate
- Organic Fertilizer from biogas plants improve soil mineralization & organic nitrogen
- Reduction in fertilizer costs
- Reduction in energy & Irrigation cost
For Industry & Environment
- Low cost gas and electricity as compared to other sources
- Waste water treatment reduction of BOD COD levels by biological decomposition
- Reduction of Green House Gases (Methane, CO2 etc.)
- Reduction of nitrate wash-out into groundwater
- Additional income from recovering fertilizer compounds from organic wastes
Oct 24, 2019, Revgreen Team installed another G-Dome-3 Pakistan’s First ready to install Bioenergy System” in a village near Kasur District. The newly installed G-Dome will be used to provide gas for cooking for the family. The Owner of G-Dome Mr. Abdul Qadir was happy with the G-Dome installed as this is new technology forNovember 6, 2019
4th National Conference on Emerging Materials and Processes (CEMP) was held on October 30, 2019. The conference was organized by the “School of Chemical and Materials Engineering” (SCME), at National University of Sciences and Technology (NUST) Islamabad. The CEMP 2019 was focused on various aspects of innovative materials and emerging processes. The aim of conference was to bring together physicists, chemistsNovember 2, 2019
Mr. Arif Ali CEO Revgreen Pakistan will be presenting Biogas benefitsMarch 23, 2018
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