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Technologies for the Rational Use of Animal Waste: A Review

Author

Listed:
  • Ruslan Iskakov

    (Technical Faculty, S. Seifullin Kazakh Agrotechnical University, Astana 010000, Kazakhstan)

  • Adilet Sugirbay

    (Technical Faculty, S. Seifullin Kazakh Agrotechnical University, Astana 010000, Kazakhstan
    College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

Abstract

Animal waste can serve as a raw material source for feed preparation, and can also be used, after appropriate processing, as fuel, fertilizer, biogas, and other useful products. In addition, the practical use of these wastes eliminates their mandatory disposal. Recycling animal waste is a feature of the circular economy, leading to environmental sustainability. In this regard, we conducted a search and review of contemporary scientific publications from open sources, including publications and data from Internet portals, Web of Science, Scopus scientometric databases, websites of patent offices, libraries, and reading rooms. It has been found that animal by-products are desirable for use in combination with vegetable protein sources. The 15 most relevant types of animal waste and their use are indicated based on current scientific publications. Moreover, 13 types of feed of animal origin, along with their purposes and descriptions, are also identified. Current scientific publications and research on the processing of insects into feed; the use of bird droppings, meat, and bone and bone meal; and the processing of seafood waste, bird waste, and eggshells are reviewed. As a result, firstly, the most important types of technological equipment involved in animal waste processing technologies, particularly devices for drying, grinding, and mixing, are analyzed and discussed. Secondly, technologies for processing waste into useful products of animal origin are analyzed and discussed.

Suggested Citation

  • Ruslan Iskakov & Adilet Sugirbay, 2023. "Technologies for the Rational Use of Animal Waste: A Review," Sustainability, MDPI, vol. 15(3), pages 1-17, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:3:p:2278-:d:1047323
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