期刊
CHEMSUSCHEM
卷 10, 期 18, 页码 3632-3643出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201700927
关键词
biomass; circular economy; life cycle assessments; multiobjective optimization; process modeling
资金
- EPSRC project Terpenebased manufacturing for sustainable chemical feedstocks [EP/K014889]
- European Commission [636816]
- National Research Foundation, Prime Minister's Office, Singapore, under its CREATE program
- H2020 Societal Challenges Programme [636816] Funding Source: H2020 Societal Challenges Programme
A decision support tool has been developed that uses global multiobjective optimization based on 1)the environmental impacts, evaluated within the framework of full life cycle assessment; and 2)process costs, evaluated by using rigorous process models. This approach is particularly useful in developing biorenewable-based energy solutions and chemicals manufacturing, for which multiple criteria must be evaluated and optimization-based decision-making processes are particularly attractive. The framework is demonstrated by using a case study of the conversion of terpenes derived from biowaste feedstocks into reactive intermediates. A two-step chemical conversion/separation sequence was implemented as a rigorous process model and combined with a life cycle model. A life cycle inventory for crude sulfate turpentine was developed, as well as a conceptual process of its separation into pure terpene feedstocks. The performed single- and multiobjective optimizations demonstrate the functionality of the optimization-based process development and illustrate the approach. The most significant advance is the ability to perform multiobjective global optimization, resulting in identification of a region of Pareto-optimal solutions.
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