Journal
JOURNAL OF CLEANER PRODUCTION
Volume 236, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2019.06.352
Keywords
Selective fermentation; Sugarcane; Crystallization; Bioethanol; Modeling
Categories
Funding
- Shinko Sugar Mill Company
- project of the NARO Bio-oriented Technology Research Advancement Institution (The Special Scheme to Create Dynamism in Agriculture, Forestry and Fisheries through Deploying Highly Advanced Technology)
- Ministry of Agriculture, Forestry and Fisheries of Japan [BUM-Cm6500]
- JSPS KAKENHI [16H06126, 15H01750, 26240032]
- Environment Research and Technology Development Fund [1RF-1503]
- KAITEKI Institute Incorporated
- Mitsui Fudosan Corporation
- Shin-Etsu Chemical Co.
- ORIX Corporation
- Sekisui House, Ltd.
- East Japan Railway Company
- Grants-in-Aid for Scientific Research [16H06126, 15H01750, 26240032] Funding Source: KAKEN
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Selective fermentation of reducing sugars in cane juice harnesses the advantageous productivity of high-yielding sugarcane cultivars for increasing products from limited arable land. Without this technology, the altered compositions of cane juice often lead to additional environmental impacts due to increased consumption of externally supplied energy and compensated yield of sugar. In this paper, the effects of coordinated transition of sugarcane farming and sugar milling on the yield of final products, energy consumption, operability in the crystallization process, and economic feasibility were analyzed in simulation across various sugarcane cultivars. An integrated sugarcane farming and sugar milling process model (Sugallol) was extended from a previous work to consistently balance mass and energy considering the characteristics of the selective fermentation technology. A case study demonstrated that the coordinated introduction of selective fermentation with the high-yielding cultivar enhanced sugar production by 8.5% and ethanol production by 17.9%, improved operability in the crystallization process, and lead to a cleaner production by achieving above without consuming additional fossil fuels, although the market price of ethanol should be under 95 JPY L-1 for profitability. Furthermore, the specific characteristics of cultivars to make selective fermentation economically feasible are presented as a guideline for future cultivar development. (C) 2019 Elsevier Ltd. All rights reserved.
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