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產(chǎn)業(yè)政策銀蟲 (初入文壇)
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| 我們查閱了許多國內(nèi)和國外的資料，發(fā)現(xiàn)關(guān)于用生命周期評價(jià)的方法研究型煤環(huán)境影響的的直接研究少之又少。類似研究有用生命周期評價(jià)對燃煤、秸稈等燃料的環(huán)境影響進(jìn)行評價(jià)，如，劉敬堯[14]的“燃煤及其替代發(fā)電方案的生命周期評價(jià)”。印度的Punam Singh 等[10]在對印度家庭常用的炊事燃料的選擇研究時(shí)，使用了生命周期能量分析（LCEA）的方法，對各種炊事燃料的整個(gè)生命周期內(nèi)的物質(zhì)流和能量流進(jìn)行計(jì)算，然后對燃料的能源效率進(jìn)行復(fù)合比較，最后得出沼氣是印度家庭最合適的炊事燃料選擇。朱金陵等[11]在對使用生命周期評價(jià)的方法對玉米秸稈成型燃料進(jìn)行分析，研究范圍從玉米種植生長到最終燃料的燃燒使用，覆蓋了與玉米秸稈成型燃料的整個(gè)相關(guān)系統(tǒng)，得出系統(tǒng)各個(gè)階段對環(huán)境的消耗與影響，與傳統(tǒng)燃料相比，在環(huán)境性上有顯著的改善，并對產(chǎn)品進(jìn)一步降低環(huán)境負(fù)荷，提出建議。根據(jù)型煤和生命周期評價(jià)的文獻(xiàn)所述，既然生物質(zhì)型煤、粘結(jié)劑、固硫劑等評價(jià)方法尚不完善，亟需開發(fā)評價(jià)系統(tǒng)，制定相應(yīng)的質(zhì)量標(biāo)準(zhǔn)，而由于近年生命周期思想對環(huán)境影響評價(jià)的逐步滲透，那么我們嘗試用生命周期評價(jià)方法來評價(jià)型煤從原料開采到最終燃燒使用的整個(gè)生命周期對環(huán)境的影響，不僅是評價(jià)方法和思路的一種進(jìn)步，更是完善評價(jià)系統(tǒng)的先行，為型煤的產(chǎn)業(yè)化以及改進(jìn)提高可靠和科學(xué)的支撐。 |
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341求調(diào)劑(一志愿湖南大學(xué)070300)
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【答案】應(yīng)助回帖
RXMCDM: 不對啊，覺得不是你的水平��！ 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樓2014-06-13 11:04:10
reko34
木蟲 (正式寫手)
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
產(chǎn)業(yè)政策: 金幣+80, 翻譯EPI+1, ★★★★★最佳答案, 翻譯的挺好 2014-06-13 15:20:34
RXMCDM: 金幣+1 2014-06-13 15:20:44
產(chǎn)業(yè)政策: 金幣+80, 翻譯EPI+1, ★★★★★最佳答案, 翻譯的挺好 2014-06-13 15:20:34
RXMCDM: 金幣+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. ...(論文有官方英文名，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樓2014-06-13 11:20:20
產(chǎn)業(yè)政策
銀蟲 (初入文壇)
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- 專業(yè): 環(huán)境工程
4樓2014-06-13 14:36:38
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