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Full Description
In the past, food waste has been used to produce biogas and biofuels, fertilizers, and animal feed. Using it as a feedstock for innovative biorefineries is not only an ethical issue but also a smart application of the circular economy. This book explores the zero-waste concept in the thriving biobased sector, proposing technologies and procedures to meet the sustainable development goals.
The volume categorizes food waste sources and proposes an impressive number of high value-added compounds (e.g., platform chemicals, enzymes, nutraceuticals, antioxidants, organic acids, phosphate, bioadsorbents, pectin, solvents, and pigments) that can be obtained in a sequential biocascade, via chemical, biochemical, thermal, and physical technologies.
The synthesis of bioplastics from food waste, their copolymerization and blending, as well as the production of biocomposites and bionanocomposite with biofillers from food scraps, are presented: eluding the cost of waste disposal, reducing biobased materials price, and avoiding using edible resources as a starting material for biobased items are the main beneficial peculiarities of the process. The Authors illustrate challenging characteristics of new biobased materials, such as their mechanical and physico-chemical features, their biodegradability, compostability, recyclability, chemical compatibility, and barrier properties.
The volume also delves into socioeconomic considerations and environmental concerns related to the upcycling of food waste, as well as the safety and life cycle assessment of biobased products. Finally, the authors address how advances in digital technology can make food waste upcycling a negative-cost process and discuss best practices to practically implement the biorefinery concept. Research gaps and needs are suggested, and recommendations for food waste handling and management during this COVID-19 pandemic are provided.
Contents
Chapter 1: Food waste in the sustainable development framework.- Chapter 2. Food processing industries, food waste classification and handling, target compounds.- Chapter 3. Current state of art of the usual food waste valorization.- Chapter 4. Biocascading: general strategy for the recovery of valuable substances from food waste.- Chapter 5. Biocascading: platform molecules, value added chemicals, and bioactives.- Chapter 6. Biobased polymers from food waste feedstock and their synthesis.- Chapter 7. Biocomposites from Food Waste.- Chapter 8. Mechanical characterization of biobased products from food waste.- Chapter 9. Physico-chemical characterization of bioplastics and biocomposites.- Chapter 10. Assessment of the safety of biobased products.- Chapter 11. Life Cycle Assessment.- Chapter 12 . Digital revolution advantages: efficient processes and sustainable feedstock.- Chapter 13 - Research gap and needs.
