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| 我们查阅了许多国内和国外的资料，发现关于用生命周期评价的方法研究型煤环境影响的的直接研究少之又少。类似研究有用生命周期评价对燃煤、秸秆等燃料的环境影响进行评价，如，刘敬尧[14]的“燃煤及其替代发电方案的生命周期评价”。印度的Punam Singh 等[10]在对印度家庭常用的炊事燃料的选择研究时，使用了生命周期能量分析（LCEA）的方法，对各种炊事燃料的整个生命周期内的物质流和能量流进行计算，然后对燃料的能源效率进行复合比较，最后得出沼气是印度家庭最合适的炊事燃料选择。朱金陵等[11]在对使用生命周期评价的方法对玉米秸秆成型燃料进行分析，研究范围从玉米种植生长到最终燃料的燃烧使用，覆盖了与玉米秸秆成型燃料的整个相关系统，得出系统各个阶段对环境的消耗与影响，与传统燃料相比，在环境性上有显著的改善，并对产品进一步降低环境负荷，提出建议。根据型煤和生命周期评价的文献所述，既然生物质型煤、粘结剂、固硫剂等评价方法尚不完善，亟需开发评价系统，制定相应的质量标准，而由于近年生命周期思想对环境影响评价的逐步渗透，那么我们尝试用生命周期评价方法来评价型煤从原料开采到最终燃烧使用的整个生命周期对环境的影响，不仅是评价方法和思路的一种进步，更是完善评价系统的先行，为型煤的产业化以及改进提高可靠和科学的支撑。 |
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【答案】应助回帖
RXMCDM: 不对啊，觉得不是你的水平啊！ 2014-06-13 15:21:21
| We reviewed a number of domestic and foreign data, found limited direct research on the method of life cycle assessment on the environmental impact. Similar studies of useful life cycle assessment of environmental impact of coal, straw and other fuels are out there though, such as, Liujing Yao [14] The "coal-fired power generation and alternative life cycle evaluation of the program." India Punam Singh et al [10] in the choice of studies on commonly used household cooking fuel in India, the use of life-cycle energy analysis (LCEA) method, the material flow and energy of the entire life cycle within a variety of cooking fuel flow computing, energy efficiency and fuel is relatively complex, the conclusion is that methane is the most suitable Indian family cooking fuel choice. Zhu Jinling et al [11] in the use of life cycle assessment method for the analysis of corn straw briquette research ranging from corn grown to the final use of fuel combustion, covered with corn straw briquette entire relevant system, derived system various stages of consumption and environmental impact, compared with conventional fuels, in the environment of the significant improvements and further reduce the environmental impact of the product and make recommendations. According to the literature and life cycle assessment of coal, since biomass briquette, adhesives, desulfurization agent evaluation method is not perfect, the urgent need to develop evaluation systems to develop appropriate quality standards, and life-cycle thinking in recent years due the gradual penetration of the environmental impact assessment, then we try to use life cycle assessment methods to evaluate the impact of coal from the mining of raw materials to the final use of the entire life cycle of burning on the environment, this is not only a progress evaluation methods and ideas, also first evaluation of the system, as well as improved industrial briquette, reliability and scientific support. |
2楼2014-06-13 11:04:10
reko34
木虫 (正式写手)
- 翻译EPI: 132
- 应助: 117 (高中生)
- 金币: 4794.2
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- 专业: 机械测试理论与技术
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
产业政策: 金币+80, 翻译EPI+1, ★★★★★最佳答案, 翻译的挺好 2014-06-13 15:20:34
RXMCDM: 金币+1 2014-06-13 15:20:44
产业政策: 金币+80, 翻译EPI+1, ★★★★★最佳答案, 翻译的挺好 2014-06-13 15:20:34
RXMCDM: 金币+1 2014-06-13 15:20:44
| Little research which uses life cycle evaluation to investigate the influence of coal on environment directly was found throughout research data at home and abroad. Related research includes those use life cycle evaluation to evaluate the environmental impact of fuels like coal and straw, e.g. ...(论文有官方英文名，LZ自己查好). Punam Singh et. al.[10] of India chose to use life cycle energy analysis (LCEA) to investigate the cooking fuels which is commonly used by Indian family. Material and energy flow during the whole life cyle of cooking fuels are calculated and the energy efficiencies are compared. As a result, biogas was proved to be the best type of cooking fuel for Indian family. Zhu Jinling[11] analyzed corn straw briquette using life cycle evaluation method, ranging from corn growth to final usage as fuel, covering the whole system of corn straw briquette. Consumption and influence on environment of each step of the system was determined. As a result, great improvement was found in aspect of environment compared with conventional fuel. Suggestion was also made to further reduce the environmental load. Since evaluation methods for briquette, binders and desulfurization agents are imperfect according to reference concerning briquette and life cycle evaluation, it's necessary to develop a evaluation system and create corresponding quality standards. In recent years, the idea of life cycle penetrates the evaluation of environmental impact gradually. So we tried to use life cycle evaluation mehtod to evaluate the influence of the whole life cycle of briquette from raw material mining to final usage as fuel on environment. It's not just an improvement in evaluation method and idea, but also an advanced step for perfecting the evaluation system, which provides reliable and scientific support for briquette industrialization and improvement. |
3楼2014-06-13 11:20:20
4楼2014-06-13 14:36:38
