Solid waste management is a big problem worldwide. Biological transformation of organic solid waste can provide a sustainable solution for its treatment, as well as the production of valuable products in the form of compost. The organic fraction of solid waste can be managed by sustainable and economic solutions such as rotary drum composting and vermicomposting.

Recent advances have been made in the combination of these emerging technologies, i.e. rotary drum composting followed by vermicomposting. These have included exploring role of various beneficial microorganisms in the process biological transformation and enhancing the process of biological transformation by the process of microbial biofortification in order to tackle the problem of solid waste management and the production of valuable end products from these emerging approaches.

The themes we aim to address in this Research Topic include subjects such as: the efficacy of rotary drum composting and vermicomposting, specifically their use in treatment of various types of solid wastes (vegetable waste, municipal solid waste, sewage sludge, terrestrial and aquatic weeds), and the production of value added products from compost and vermicompost by microbial biofortification. With the sustainable approach of producing wealth from waste, using these emerging technologies and processes can have significant effect on the agricultural productivity.

We welcome the submission of Original Research, Review, Mini Review, and Perspective articles on areas of focus which may include, but are not limited to:

• Biological transformation of different types of solid wastes.
• Treatment of solid wastes with emerging and low cost technologies.
• Role of microorganisms in the biological transformation of organic wastes
• Bioaugmentation of compost and vermicompost for value addition.
• Microbial biofortification in compost and vermicompost to enhance agricultural productivity.

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Frontiers in Chemical Engineering

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