| Title | Minimizing hazardous impact of food waste in a circular economy-Advances in resource recovery through green strategies |
|---|---|
| ID_Doc | 3996 |
| Authors | Usmani, Z; Sharma, M; Awasthi, AK; Sharma, GD; Cysneiros, D; Nayak, SC; Thakur, VK; Naidu, R; Pandey, A; Gupta, VK |
| Title | Minimizing hazardous impact of food waste in a circular economy-Advances in resource recovery through green strategies |
| Year | 2021 |
| Published | |
| Abstract | Recent trends in food waste and its management have increasingly started to focus on treating it as a reusable resource. The hazardous impact of food waste such as the release of greenhouse gases, deterioration of water quality and contamination of land areas are a major threat posed by food waste. Under the circular economy principles, food waste can be used as a sustainable supply of high-value energy, fuel, and nutrients through green techniques such as anaerobic digestion, co-digestion, composting, enzymatic treatment, ultrasonic, hydrothermal carbonization. Recent advances made in anaerobic co-digestion are helping in tackling dual or even multiple waste streams at once with better product yields. Integrated approaches that employ pre-processing the food waste to remove obstacles such as volatile fractions, oils and other inhibitory components from the feedstock to enhance their bioconversion to reduce sugars. Research efforts are also progressing in optimizing the operational parameters such as temperature, pressure, pH and residence time to enhance further the output of products such as methane, hydrogen and other platform chemicals such as lactic acid, succinic acid and formic acid. This review brings together some of the recent progress made in the green strategies towards food waste valorization. |
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