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首页> 外文期刊>Journal of Cleaner Production >Towards biofuel generation Ⅲ +: A sustainable industrial symbiosis design of co-producing algal and cellulosic biofuels
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Towards biofuel generation Ⅲ +: A sustainable industrial symbiosis design of co-producing algal and cellulosic biofuels

机译：走向生物燃料一代Ⅲ+：共同生产藻类和纤维素生物燃料的可持续产业共生设计

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The emergence of environmental and sustainability regulations as well as the limited availability of fossil fuels have brought the notion of gradually substituting petroleum products with biofuels into the limelight. The commercialization and large-scale adoption of cellulosic biofuel (second-generation biofuel) and microalgae biofuel (third-generation biofuel) have been hampered by their poor economic performance. Although the production wastes of biofuel can be utilized as input materials to enhance resource utilization efficiency, environmental sustainability and economic viability in each generation, rarely existing research has been conducted on the integration between these two generations. To fill this research gap, a novel industrial symbiosis (IS) design for the co-production of second- and third-generation biofuels is proposed in this paper. The material flow, energy flow, cost performance, and environmental impact models are established considering the interactions of stakeholders in the IS system. Four scenarios, consisting of the baseline case without IS and three IS cases with different microalgae species, are comprehensively compared in terms of various economic and sustainability performance indicators. Compared to the baseline case, the results reveal that the synergies in the bioenergy IS system render an annual manufacturing cost reduction of 10% in all IS scenarios. It is also discovered that the symbiotic design can lead to a 36% reduction in greenhouse gas (GHG) emissions, a 9.4% decrease in eutrophication potential (EP), and a 7.5% reduction in acidification potential (AP) when adopting the same species of microalgae. The synergies among the bioenergy IS system stakeholders are proved to be viable and beneficial to enhance the economic viability and environmental sustainability.
机译：环境和可持续性规定的出现以及化石燃料的有限可用性带来了逐渐用生物燃料逐步替代石油产品进入敏捷的概念。通过贫困的经济表现，他们的商业化和大规模采用纤维素生物燃料（第二代生物燃料）和微观的生物燃料（第三代生物燃料）受到阻碍。虽然生物燃料的生产废物可用于提高资源利用效率，每代环境可持续性和经济可行性，但在这两代之间的整合上已经进行了很少存在的研究。为了填补这一研究差距，本文提出了一种新颖的工业共生（IS）设计的第二代生物燃料的共同生产。考虑到是系统中利益相关者的相互作用，建立了材料流动，能量流，成本性能和环境影响模型。四种情景，由基线案例组成，在不同微藻物种的情况下，在各种经济和可持续性绩效指标方面得到了全面的案例。与基线案例相比，结果表明，生物能源中的协同作用是系统的年度制造业成本降低，且含10％是情景。还发现共生设计可以导致温室气体（GHG）排放的36％降低，富营养化潜力（EP）降低9.4％，并且在采用相同物种时酸化潜力（AP）降低7.5％微藻。生物能源之间的协同作用是系统利益相关者被证明是可行的，有利于提高经济可行性和环境可持续性。

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