globalchange  > 过去全球变化的重建
DOI: 10.1007/s12649-018-0198-9
WOS记录号: WOS:000471203800023
论文题名:
Environmental Impact Study of Bagasse Valorization Routes
作者: Joglekar, Saurabh N.1; Tandulje, Akshay P.1; Mandavgane, Sachin A.1; Kulkarni, Bhaskar D.2
通讯作者: Mandavgane, Sachin A.
刊名: WASTE AND BIOMASS VALORIZATION
ISSN: 1877-2641
EISSN: 1877-265X
出版年: 2019
卷: 10, 期:7, 页码:2067-2078
语种: 英语
英文关键词: Bagasse valorization ; LCA ; Environmental impact ; Midpoint indicators
WOS关键词: LIFE-CYCLE ASSESSMENT ; 2ND-GENERATION ETHANOL ; SUGARCANE BAGASSE ; FUEL ETHANOL ; BY-PRODUCTS ; CANE-SUGAR ; ELECTRICITY ; BRAZIL ; ASH
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

India is the world's second largest producer of sugarcane and a major manufacturer of molasses-derived ethanol. The sugarcane produced is widely used in the production of sugar and 1G ethanol, leaving behind a huge amount of bagasse as waste. However, sugarcane bagasse also has some end-use value, for example, its utilization for the production of methanol, 2G ethanol, and electricity. Although the technologies for the production of these value-added products are well established, it is important to analyze the social, economic, and environmental impacts associated with their production processes. This work compares the environmental impacts of various sugarcane conversion processes on the life cycle basis. The functional unit used is 1Ton of sugarcane cultivated on field. Four routes were identified for bagasse utilization: (i) conversion to methanol (route 1), (ii) conversion to ethanol via a two-stage dilute acid process (route 2), (iii) conversion to ethanol via an enzymatic process (route 3), and (iv) electricity generation (route 4). The comparison of bagasse management scenarios to obtain various products is made based on midpoint indicators, such as global warming potential, acidification potential, eutrophication potential, ozone depletion potential, and photochemical ozone creation potential. It was observed that methanol production had the highest environmental indicator values. Ethanol production processes and cogeneration process have nearly similar impacts, although it can be said that cogeneration is more eco-friendly.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/141117
Appears in Collections:过去全球变化的重建

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作者单位: 1.Visvesvaraya Natl Inst Technol, Chem Engn Dept, South Ambazari Rd, Nagpur 440010, Maharashtra, India
2.Natl Chem Lab, Pune, Maharashtra, India

Recommended Citation:
Joglekar, Saurabh N.,Tandulje, Akshay P.,Mandavgane, Sachin A.,et al. Environmental Impact Study of Bagasse Valorization Routes[J]. WASTE AND BIOMASS VALORIZATION,2019-01-01,10(7):2067-2078
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