期刊
ENERGIES
卷 15, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/en15030911
关键词
spatial succession; environmental contamination; food waste; recycling; dark fermentation; methanogenesis; syntrophy
A large amount of organic waste is generated globally each year, mainly from municipalities and canning and food industries. Modern recycling technologies are insufficient to handle such immense volumes of waste, but microbiological and biotechnological approaches show great promise in solving this environmental problem. Moreover, organic waste can be utilized as a substrate for alternative energy production, such as biohydrogen and biomethane.
A huge amount of organic waste is generated annually around the globe. The main sources of solid and liquid organic waste are municipalities and canning and food industries. Most of it is disposed of in an environmentally unfriendly way since none of the modern recycling technologies can cope with such immense volumes of waste. Microbiological and biotechnological approaches are extremely promising for solving this environmental problem. Moreover, organic waste can serve as the substrate to obtain alternative energy, such as biohydrogen (H-2) and biomethane (CH4). This work aimed to design and test new technology for the degradation of food waste, coupled with biohydrogen and biomethane production, as well as liquid organic leachate purification. The effective treatment of waste was achieved due to the application of the specific granular microbial preparation. Microbiological and physicochemical methods were used to measure the fermentation parameters. As a result, a four-module direct flow installation efficiently couples spatial succession of anaerobic and aerobic bacteria with other micro- and macroorganisms to simultaneously recycle organic waste, remediate the resulting leachate, and generate biogas.
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