{"product_id":"a-chinese-biogas-manual-9780903031653","title":"A Chinese Biogas Manual","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eThe production of biogas, which is regarded in many countries as a by-product of an efficient system of energy production, has become in China a comprehensive, controlled method of waste disposal, recycling resources, supplying energy and fertilizer and improving rural health, as the digesting of wastes in a closed container kills many of the pathogens responsible for common human diseases.There are already approximately seven million biogas pits in opertion, with Sichuan (Szechuan) province leading the country in a movement to extend the practice throughout the countryside. This manual describes in detail how to build the pit, and covers a full range of designs to suit various soils from sandstone to sheer rock. It also includes a description of how the original manual was used.","brand":"ITDG Publishing","offers":[{"title":"Default Title","offer_id":50515825721687,"sku":"9780903031653","price":14.2,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/bookcurl.com\/products\/a-chinese-biogas-manual-9780903031653","provider":"Book Curl","version":"1.0","type":"link"}