A Review on Valorisation of Food Scraps and Derivatives
Chapter 6
Keywords:
Composting, food waste, gasification, landfilling, pyrolysis and valorizationAbstract
Agricultural food waste such as fruit and vegetable scraps are a significant resource for farmers who can use these wastes to grow new plant. The valorization process involves using these agricultural food waste to produce animal feed and then using the resulting animal feed to produce meat or milk. Currently, most of the agricultural food waste is used in the form of methane gas, which is a potent greenhouse gas that cause global warming. The value-added products which are fine chemicals, nutraceuticals, antioxidants, bio-actives, biopolymers and many more are used to increase the value of a product. They help to reduce the cost of production and insure a high profit margin for companies. The average American throws away nearly two pounds of food per which add up to $2,275 worth of food that is wasted every year. It’s estimated that households in India waste 50 kilograms of food per person year or 68,760,163 tonnes a year. It is also estimated that the average Indian household throws away over $1,200 worth of food each year. There are several valorization methods which are sustainable and profitable to manage. The most common methods of valorization are pyrolysis, composting, landfilling, and gasification.
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