Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1088/1748-9326/aa7499 |
Quality of charcoal produced using micro gasification and how the new cook stove works in rural Kenya | |
Njenga, Mary1,2; Mahmoud, Yahia3; Mendum, Ruth4; Iiyama, Miyuki1; Jamnadass, Ramni1; de Nowina, Kristina Roing5; Sundberg, Cecilia6,7 | |
2017-09-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2017 |
卷号 | 12期号:9 |
文章类型 | Article |
语种 | 英语 |
国家 | Kenya; Sweden; USA |
英文摘要 | Wood based energy is the main source of cooking and heating fuel in Sub-Saharan Africa. Its use rises as the population increases. Inefficient cook stoves result in fuel wastage and health issues associated with smoke in the kitchen. As users are poor women, they tend not to be consulted on cook stove development, hence the need for participatory development of efficient woodfuel cooking systems. This paper presents the findings of a study carried out in Embu, Kenya to assess energy use efficiency and concentrations of carbon monoxide and fine particulate matter from charcoal produced using gasifier cook stoves, compared to conventional wood charcoal. Charcoal made from Grevillea robusta prunings, Zea mays cob (maize cob) and Cocos nucifera (coconut shells) had calorific values of 26.5 kJ g(-1), 28.7 kJ g-1 and 31.7 kJ g(-1) respectively, which are comparable to conventional wood charcoal with calorific values of 33.1 kJ g(-1). Cooking with firewood in a gasifier cook stove and use of the resultant charcoal as by-product to cook another meal in a conventional charcoal stove saved 41% of the amount of fuel compared to cooking with firewood in the traditional three stone open fire. Cooking with firewood based on G. robusta prunings in the traditional open fire resulted in a concentration of fine particulate matter of 2600 mu g m(-3), which is more than 100 times greater than from cooking with charcoal made from G. robusta prunings in a gasifier. Thirty five percent of households used the gasifier for cooking dinner and lunch, and cooks preferred using it for food that took a short time to prepare. Although the gasifier cook stove is energy and emission efficient there is a need for it to be developed further to better suit local cooking preferences. The energy transition in Africa will have to include cleaner and more sustainable wood based cooking systems. |
英文关键词 | charcoal gasifier cook stove indoor air pollution woodfuel cooking systems |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000408262300001 |
WOS关键词 | BIOMASS ; IMPACTS ; COOKSTOVES ; BIOCHAR ; AFRICA |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/34323 |
专题 | 气候变化 |
作者单位 | 1.World Agroforestry Ctr ICRAF, POB 30677-00100, Nairobi, Kenya; 2.Univ Nairobi, Wangari Maathai Inst Peace & Environm Studies, POB 30197-00100, Nairobi, Kenya; 3.Lund Univ, Dept Human Geog, S-22362 Lund, Sweden; 4.Penn State Univ, Coll Agr Sci, Agr Adm Bldg, University Pk, PA 16802 USA; 5.ICIPE, IITA, POB 30772-00100, Nairobi, Kenya; 6.KTH Royal Inst Technol, Sch Architecture & Built Environm ABE, Dept Sustainable Dev Environm Sci & Engn SEED, Teknikringen 34, SE-10044 Stockholm, Sweden; 7.Swedish Univ Agr Sci, Dept Energy & Technol, Box 7032, S-75007 Uppsala, Sweden |
推荐引用方式 GB/T 7714 | Njenga, Mary,Mahmoud, Yahia,Mendum, Ruth,et al. Quality of charcoal produced using micro gasification and how the new cook stove works in rural Kenya[J]. ENVIRONMENTAL RESEARCH LETTERS,2017,12(9). |
APA | Njenga, Mary.,Mahmoud, Yahia.,Mendum, Ruth.,Iiyama, Miyuki.,Jamnadass, Ramni.,...&Sundberg, Cecilia.(2017).Quality of charcoal produced using micro gasification and how the new cook stove works in rural Kenya.ENVIRONMENTAL RESEARCH LETTERS,12(9). |
MLA | Njenga, Mary,et al."Quality of charcoal produced using micro gasification and how the new cook stove works in rural Kenya".ENVIRONMENTAL RESEARCH LETTERS 12.9(2017). |
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