RETRACTED: Agro waste as a potential carbon feedstock for poly-3-hydroxy alkanoates production: Commercialization potential and technical hurdles

Ding, Zheli; Kumar, Vinay; Şar, Taner; Harirchi, Sharareh; Dregulo, Andrei Mikhailovich; Sirohi, Ranjna; Sindhu, Raveendran; Binod, Parameswaran; Zhang, Zengqiang; Taherzadeh, Mohammad J.; Awasthi, Mukesh Kumar

doi:10.1016/j.biortech.2022.128058

Cited by 13 publications

(3 citation statements)

References 128 publications

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“…This organic waste is typically either incinerated in the fields or used as animal feed. However, these agricultural byproducts, such as hardwood sawdust, bagasse, rice husks, and even inedible portions of vegetables and fruits, can be environmentally responsibly repurposed as a starting point for the production of biopolymers [41,42]. This approach offers a potential solution to the ongoing issues of plastics and pollution.…”

Section: Types Of Biopolymersmentioning

confidence: 99%

A Short Review on the Growth of Lightweight Agronomic Surplus Biomass Composites for Ecological Applications Using Biopolymers

Chohan,

et al. 2024

Int. Res. J. multidiscip. Technovation

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The need to discover novel methods for creating sustainable materials is growing due to the depletion of the Earth's resources and increasing environmental concerns. Several studies have focused on the handling of agricultural waste in an attempt to mitigate the ecological issues associated with agricultural debris removal. Large volumes of agricultural waste are generated annually, posing a significant challenge from both ecological and financial perspectives. In alignment with the principles of a sustainable economy, such waste can be employed as supplementary ingredients to produce high-value goods. The utilization of organic waste from agriculture has become indispensable for the development of sustainable and lightweight biopolymer-based composites. This brief review delves into the expanding field of lightweight agronomic surplus biomass materials suitable for environmental applications. It places particular emphasis on the utilization of biopolymers in creating these materials. The study explores how agricultural waste biomass can be sustainably repurposed and transformed into eco-friendly composite materials. It examines the innovations, materials, and methods contributing to this ecological trend, with a focus on the potential environmental benefits. This review highlights the progress achieved in the development of these hybrids, drawing attention to the numerous ways in which environmentally friendly biopolymer-based materials can be utilized.

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Section: Types Of Biopolymersmentioning

confidence: 99%

A Short Review on the Growth of Lightweight Agronomic Surplus Biomass Composites for Ecological Applications Using Biopolymers

Chohan,

et al. 2024

Int. Res. J. multidiscip. Technovation

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“…Several studies have been published on agro-wastes and their management, revolving around topics such as sustainable management of urban wastes, with publications from India [67], Italy [68], Oman [69], Tanzania [70], the European Union [71], the USA [72], and China [73][74][75]. Other studies have focused on producing microbial bio-flavor [76], sustainable management of agro-industrial wastes [77], management of olive leaf wastes to include production of biomass, animal feed, and pharmaceutical products [78], producing biomaterials derived from food wastes for the horticulture industry, like biodegradable nursery pots [79], and sustainable use of agro-industrial wastes to produce microbial pigments [80].…”

Section: Main Management Approachesmentioning

confidence: 99%

An Overview of Agro-Waste Management in Light of the Water-Energy-Waste Nexus

et al. 2022

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It is urgent that we increase global food production to support population growth. Food production requires significant resources, amongst them water and energy. Therefore, any losses of food or other agricultural products also means a waste of water and energy resources. A significant amount of these losses occurs during the postharvest stage, primarily during processing and storage. This is considered avoidable food waste. The water-energy-waste nexus (WEW), and its relationship to food production, needs to be investigated from a circular bioeconomy lens. Furthermore, alternative uses of the wastes should be investigated. This review focuses on agro-wastes and their management as sources for bioactive compounds, biofertilizers, biomaterials, nanomaterials, pharmaceuticals and medicinal agents, and growth media, e.g., for plant tissue culture. We also investigated the potential contribution of agro-wastes to bioenergy production (bioethanol, biogas, and biofuel). Proper management of agro-wastes may support the mitigation of climate change, produce innovative bio-ingredients and biodegradable materials, and enhance green growth and a circular bioeconomy. We argue that the management of agro-wastes cannot be discussed without referring to the role of water and energy within the food system. Thus, this review focuses on agricultural wastes and their handling, applications, environmental impacts, and potential benefits in the agricultural and medical industries in light of the WEW nexus.

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“…Furthermore, volatile fatty acid (VFA)-rich streams from the acidogenic fermentation of organic waste fractions, including municipal solid waste, urban wastewater treatment sludge, garden and park waste as well as selected waste from food processing, can be used as microorganism feedstock and makes the PHA production process part of a virtuous biorefinery cycle [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Rapid Estimation of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Composition Using ATR-FTIR

Alfano,

Pagnanelli,

Martinelli

2023

Polymers

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A great research effort is involved in polyhydroxyalkanoates (PHAs) production and characterization since they are an attractive degradable polyester family that potentially could substitute oil-based polymers. This is due to two main key factors: their production is sustainable, being that they are produced by microorganisms possibly fed by organic waste-derived products, and they are degradable. Moreover, PHAs’ thermal and mechanical properties could be tuned by varying their monomeric composition through the proper selection of microorganism feedstock and bioreactor operative conditions. Hence, a rapid and facile determination of the PHA chemical structure by widely available instrumentation is useful. As an alternative to the standard gas-chromatographic method, a new procedure for the composition determination of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (P3HBV), the most common PHA copolymer, by attenuated total reflection FTIR (ATR-FTIR) is presented. It is based on the linear dependence of selected and normalized absorption band intensity with the molar fraction of repeating units. To break free from the crystallinity variability, which affects the result reproducibility and data scattering, the polymer sample was rapidly quenched from the melt directly on the surface of the ATR internal reflection element and analyzed. The data obtained from 14 samples with a molar fraction of 3-hydroxybutyrate repeating units (X3HB) ranging from 0.15 to 1 were analyzed. According to preliminary analyses, the normalized intensity of two absorption bands was selected to develop a calibration method able to predict X3HB of unknown samples and to evaluate the related uncertainty through prediction intervals of inverse regression. The proposed method proves to be useful for an easy and rapid estimation of P3HBV composition.

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RETRACTED: Agro waste as a potential carbon feedstock for poly-3-hydroxy alkanoates production: Commercialization potential and technical hurdles

Cited by 13 publications

References 128 publications

A Short Review on the Growth of Lightweight Agronomic Surplus Biomass Composites for Ecological Applications Using Biopolymers

A Short Review on the Growth of Lightweight Agronomic Surplus Biomass Composites for Ecological Applications Using Biopolymers

An Overview of Agro-Waste Management in Light of the Water-Energy-Waste Nexus

Rapid Estimation of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Composition Using ATR-FTIR

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