| Title: | Integration of Waste Valorization for Sustainable Production of Chemicals and Materials via Algal Cultivation |
| Author(s): | Chen Y; Sun LP; Liu ZH; Martin G; Sun Z; |
| Address: | "International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China. Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China. National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China. Department of Chemical and Biomolecular Engineering, University of Melbourne, Melbourne, VIC, 3010, Australia. International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China. zsun@shou.edu.cn. Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China. zsun@shou.edu.cn. National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China. zsun@shou.edu.cn" |
| DOI: | 10.1007/s41061-017-0175-y |
| ISSN/ISBN: | 2365-0869 (Print) 2364-8961 (Linking) |
| Abstract: | "Managing waste is an increasing problem globally. Microalgae have the potential to help remove contaminants from a range of waste streams and convert them into useful biomass. This article presents a critical review of recent technological developments in the production of chemicals and other materials from microalgae grown using different types of waste. A range of novel approaches are examined for efficiently capturing CO(2) in flue gas via photosynthetic microalgal cultivation. Strategies for using microalgae to assimilate nitrogen, organic carbon, phosphorus, and metal ions from wastewater are considered in relation to modes of production. Generally, more economical open cultivation systems such as raceway ponds are better suited for waste conversion than more expensive closed photobioreactor systems, which might have use for higher-value products. The effect of cultivation methods and the properties of the waste streams on the composition the microalgal biomass is discussed relative to its utilization. Possibilities include the production of biodiesel via lipid extraction, biocrude from hydrothermal liquefaction, and bioethanol or biogas from microbial conversion. Microalgal biomass produced from wastes may also find use in higher-value applications including protein feeds or for the production of bioactive compounds such as astaxanthin or omega-3 fatty acids. However, for some waste streams, further consideration of how to manage potential microbial and chemical contaminants is needed for food or health applications. The use of microalgae for waste valorization holds promise. Widespread implementation of the available technologies will likely follow from further improvements to reduce costs, as well as the increasing pressure to effectively manage waste" |
| Keywords: | Carbon/chemistry/*metabolism Ions/chemistry/metabolism Metals/chemistry/*metabolism Microalgae/*chemistry/metabolism Nitrogen/chemistry/*metabolism Phosphorus/chemistry/*metabolism Volatilization Wastewater/*chemistry Bioenergy Biomass utilization By-prod; |
| Notes: | "MedlineChen, Yong Sun, Li-Ping Liu, Zhi-Hui Martin, Greg Sun, Zheng eng 31501493/National Natural Science Foundation of China/ QD2015047/'Young Eastern Scholar program' at Shanghai Institutions of Higher Learning/ Review Switzerland 2017/11/29 Top Curr Chem (Cham). 2017 Nov 27; 375(6):89. doi: 10.1007/s41061-017-0175-y" |
