| Research on index system and classification standard for household biogas region suitability evaluation |
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| DOI：10.7606/j.issn.1000-7601.2008.05.46 |
| Key Words: household biogas region suitability evaluation index system classification standard |
| Author Name | Affiliation | | CHEN Yu | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
Research Center for Recycling Agricultural Engineering Technology of Shannxi Province, Yangling, Shannxi 712100, China | | YANG Gaihe | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
Research Center for Recycling Agricultural Engineering Technology of Shannxi Province, Yangling, Shannxi 712100, China | | FENG Yongzhong | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
Research Center for Recycling Agricultural Engineering Technology of Shannxi Province, Yangling, Shannxi 712100, China | | BAO Fengxia | Research Center for Recycling Agricultural Engineering Technology of Shannxi Province, Yangling, Shannxi 712100, China | | REN Guangxin | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
Research Center for Recycling Agricultural Engineering Technology of Shannxi Province, Yangling, Shannxi 712100, China |
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| Abstract: |
| The household biogas region suitability evaluation is the key to the reasonable layout of the household biogas. Based on the current situation of rural household biogas growth in China, analysis was made of the regional factors influencing the development of the household biogas. Seven evaluation indexes (mean annual temperature、days with temperature above 10℃, quantity for biomass, difficulty of the commodity energy obtained, revenue per family, government investment, average education level of farmer) from 3 catalogues-climate, energy stuation and social economy factors were chosen to set up the suitability evaluation index system according to its principles. Defined by the suitability classification standard with Analytic Hierarchy Process(AHP), the area with more than 80 total score of suitability was determined as the most suitable area. The area with between 80 and 60 total score of suitability was determined as the suitable area. The area with between 60 and 40 total score of suitability was determined as sub-suitable area. The area with less than 40 total score of suitability was determined as unsuitable area. It provides a scientific theory base and decision support for reasonable layout of the household biogas and biogas eco-agricultural model. |
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