Taiwan lacks natural energy , looking for alternative energy sources becoming the primary subject. Southern Taiwan Pingtung County , first developing regulations to force new pig farms, installation of biogas power generation equipment , the same waste -to-energy technology , as well as around the garbage incineration plant , the annual total electricity generating capacity of 1%.
The area shown as photos , there are seven tennis courts large anaerobic tank can handle 60,000 daily pigs excrement , including power generation gas occupies six subdivision of such equipment, the future will be full of pig manure as generating raw materials, which is so far the country's largest pig waste power plant. Nearly 30,000 breeding pigs farmer: Mr. Su, pig electricity bill more than USD 12,500/month , starting in 2011 , with the promotion of the government, by pigs manure biogas renewable power generation, construction equipment investment of nearly USD 2 million , after the completion , the current input generator 30 kilowatts , can save more than USD 2,500/ month , the future unit will expand to 195 kilowatts , almost self-sufficient .
Mr. Su: "I believe that sometimes an industry , not just considering the recovery of your investment, we are engaged in pig farming today , not investing in this , faced with a lot of protesting later."
Originally stinking muddy pig manure, after aeration methane recycle, organic matter reduced significantly,no suffocating odor , slightly transparent brown color left. Sludge after methane extracted, can make agriculture fertilizer. Not only solved the sewage emissions problem, improve effluent quality, also a great help to the effect of greenhouse gases by dispose of the methane.
Pingtung County, raising pigs reached 1,470,000 , because a lot of excrement , rich in methane , nitrogen , sulfur and other organic matters, will cause the river eutrophication and greenhouse gas emissions.To reduce river and air pollution, county government promotes the installation of biogas power generation facilities to the pig industry since 2011, through anaerobic fermentation technology to extract methane as fuel , and set regulations to force the newly established pig farms to set up biogas recycle and power generation facilities.
Including Mr. Su, Pingtung County currently has four pig farms, set up biogas recycle equipment , a total of 42,900 pig manures treatment , recycling methane over 1.28 million/year, generating capacity of more than 1.83 million degree power , enough to supply 341 households electricity per year .
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