Organic waste streams as feedstock for the production of high volume-low value products

Pawar, Pratik R.; Rao, P. H.; Prakash, Gunjan; Lali, Arvind

doi:10.1007/s11356-020-07985-0

Cited by 8 publications

(4 citation statements)

References 38 publications

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“…Furth more, the low density of biochar allows for the inclusion of a larger quantity of fillers synthetic polymers, while significantly limiting the increase in the weight of the over product. To illustrate, the final product weight of a composite containing 50% bioch (with a density of approximately 1.3-1.4 g/cm 3 ) in a PP matrix (~0.91 g/cm 3 ) is much low than that of a composite containing talc (~2.7-2.8 g/cm 3 ) and carbon black (1.8-2.1 g/cm with the same filler content [133]. The utilization of biochar as reinforcement in bioco posites is highly versatile and diverse.…”

Section: Biochar Compositesmentioning

confidence: 99%

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Biochar Production and Its Potential Application for Biocomposite Materials: A Comprehensive Review

Feliz Florian,

Ragoubi,

Leblanc

et al. 2024

J. Compos. Sci.

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Biochar, an organic, porous, and carbon-rich material originating from biomass via pyrolysis, showcases compelling attributes and intrinsic performances. Its appeal as a reinforcement material for biocomposites, as well as its auspicious electrical properties, has gained more attention, and makes biochar a versatile candidate for applications ranging from energy storage to catalytic devices. This scientific review undertakes a comprehensive exploration of biochar, spanning production methodologies, physicochemical intricacies, and critical process parameters. The focus of this paper extends to optimization strategies for biochar properties tailored to specific applications, with a dedicated inquiry into diverse production methods and activation strategies. This review’s second phase delves into a meticulous analysis of key properties within biochar-based composites, emphasizing limitations and unique performance characteristics crucial for diverse applications. By synthesizing a substantial body of research, this review aims to catalyze future investigations by pinpointing areas that demand attention in upcoming experiments, ultimately emphasizing the profound potential of biochar-based materials across technical and scientific domains.

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Section: Biochar Compositesmentioning

confidence: 99%

“…The escalating industrialization of recent years has precipitated a substantial surge in solid organic waste production [1], surpassing 3 million tons daily in 2017 [2,3]. Projections suggest a staggering global waste volume of 3.4 billion tons annually by 2050, more than doubling the population growth rate [4].…”

Section: Introductionmentioning

confidence: 99%

Biochar Production and Its Potential Application for Biocomposite Materials: A Comprehensive Review

Feliz Florian,

Ragoubi,

Leblanc

et al. 2024

J. Compos. Sci.

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“…However, while the scientific literature identifies several solutions to reduce or utilise food waste [8][9][10][11][12], most of the studies fail to evaluate the scalability and food waste prevention potential of the suggested solutions. Additionally, since the target of food waste reduction is also to reduce the overall environmental impact of food production systems and preferably be economically sound, there is also call for indicators to evaluate the overall sustainability of the suggested actions [13].…”

Section: Introductionmentioning

confidence: 99%

What to Do with Food Waste? A Holistic Feasibility Framework to Evaluate Different Solutions

2022

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Food waste is generated at several stages of the food chain. According to the European Waste Hierarchy, the creation of food waste should above all be prevented, meaning that waste materials with good microbial and nutritional quality should be directed to food use, either directly or through light processing. However, to be feasible, food waste utilisation solutions should be economically profitable, environmentally sustainable and scalable to provide a means to utilise a larger share of the raw materials. In this study, we propose a feasibility evaluation approach for food waste utilisation and prevention solutions. We use two case examples: (1) an artisan bar soap product based on carrot peels, and (2) the retail selling of 2nd class carrots. Both cases are evaluated with six feasibility indicators: edible food waste reduction potential, scalability, level at waste hierarchy, climate impact reduction potential, economic impact, and social impact. Case 2 performed better regarding all indicators other than economic impact. Critical aspects that need to be improved included climate reduction potential for both cases and food waste reduction potential for case 1. The results show that this kind of a holistic approach is useful in identifying the most feasible food waste prevention and utilisation measures.

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“…Judicious dumping of biomass or organic waste is necessary to avoid undesired climate change that causes large scale natural imbalance [1,2]. Organic waste generates environmentally harmful greenhouse gases (GHG) [3].…”

Section: Introductionmentioning

confidence: 99%

Electrical and Mechanical Properties of Sugarcane Bagasse Pyrolyzed Biochar Reinforced Polyvinyl Alcohol Biocomposite Films

2021

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Biochar obtained from the oxygen-deficient thermochemical processing of organic wastes is considered to be an effective reinforcing agent in biocomposite development. In the present research, biocomposite film was prepared using sugarcane bagasse pyrolyzed biochar and polyvinyl alcohol (PVA), and its electrical and mechanical properties were assessed. The biocomposite films were produced by varying content (5 wt.%, 8 wt.% and 12 wt.%) of the biochar produced at 400 °C, 600 °C, 800 °C and 1000 °C and characterized using X-Ray diffraction, scanning electron microscope, Fourier transform infrared spectroscopy. The experimental findings revealed that biochar produced at a higher pyrolyzing temperature could significantly improve the electrical conductance of the biocomposite film. A maximum electrical conductance of 7.67 × 10−2 S was observed for 12 wt.% addition of biochar produced at 1000 °C. A trend of improvement in the electrical properties of the biocomposite films suggested a threshold wt.% of the biochar needed to make a continuous conductive network across the biocomposite film. Rapid degradation of tensile strength was observed with an increasing level of biochar dosage. The lowest tensile strength 3.12 MPa was recorded for the film with 12 wt.% of biochar produced at 800 °C. Pyrolyzing temperature showed a minor impact on the mechanical strength of the biocomposite. The prepared biocomposites could be used as an electrically conductive layer in electronic devices.

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Organic waste streams as feedstock for the production of high volume-low value products

Cited by 8 publications

References 38 publications

Biochar Production and Its Potential Application for Biocomposite Materials: A Comprehensive Review

Biochar Production and Its Potential Application for Biocomposite Materials: A Comprehensive Review

What to Do with Food Waste? A Holistic Feasibility Framework to Evaluate Different Solutions

Electrical and Mechanical Properties of Sugarcane Bagasse Pyrolyzed Biochar Reinforced Polyvinyl Alcohol Biocomposite Films

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