Escalating global population and expanding industrialisation have significantly contributed to an increased demand for plastics. Methods for plastic waste disposal predominantly involve landfilling, which consumes space and pollutes soil and water bodies, posing a substantial threat to the environment and public health. The critical challenge herein lies in efficiently managing the abundant biomass and plastics waste. Here we review gasification and pyrolysis, two prominent waste treatment processes. Co-pyrolysis of plastics and biomass exhibits a synergistic effect, significantly enhancing the yield and quality of bio-oil, biochar, and syngas. Integration of gasification and pyrolysis reduces activation energy, increases hydrogen production during co-gasification, and improves bio-oil calorific value. The gasification of polyethylene terephthalate with air in the presence of activated carbon limits tar formation with enhanced syngas production. Steam gasification enhances hydrogen generation by up to 40.0% compared to air gasification. Selective catalysts in the integrated pyrolysis-gasification process of biomass and plastics mixtures demonstrate optimisation of the production of high-purity carbon nanotubes and bio-oil. Application of innovative approaches such as microwaves, steam purging, and catalysts like zeolite or composite catalysts enhance heat transfer mechanism, tar cracking, and devolatilisation.

Peter Nai Yuh Yek

Yi Herng Chan

Shin Ying Foong

Wan Adibah Wan Mahari

Xiangmeng Chen

Rock Keey Liew

Nyuk Ling Ma

Yiu Fai Tsang

Christian Sonne

Yoke Wang Cheng

Yie Hua Tan

Su Shiung Lam

Environmental Chemistry Letters

该杂志发表关于自然和受影响环境特征等主题的具有突出意义的原创文章和评论文章；矿物、有机和放射性污染物的行为、预防、处理和控制；涉及土壤、沉积物、水、空气、有机体和食物等介质的界面研究；绿色化学、环保合成途径和替代燃料；生态毒理学和风险评估；环境过程和建模；环境技术、修复和控制；环境分析化学、生物分子工具和示踪剂。

Environmental Chemistry Letters publishes original research and review articles on significant topics related to the characteristics of natural and impacted environments. These articles cover the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants; interface studies involving media such as soil, sediments, water, air, organisms, and food; research on green chemistry, environmentally friendly synthesis pathways, and alternative fuels; ecotoxicology and risk assessment; environmental processes and modeling; environmental technologies, remediation, and control; as well as applications of environmental analytical chemistry, biomolecular tools, and tracers.

《Environmental Chemistry Letters》发表关于自然环境和受影响环境特征的原创研究和评论文章。这些文章涵盖了矿物、有机物和放射性污染物的行为、预防、处理和控制；涉及土壤、沉积物、水、空气、有机体和食物等介质的界面研究；绿色化学、环保合成途径和替代燃料的研究；生态毒理学和风险评估；环境过程和建模；环境技术、修复和控制；以及环境分析化学、生物分子工具和示踪剂的应用。

Category	Quartile
环境科学与生态学	2
环境科学与生态学, 化学综合	2
环境科学与生态学, 环境科学	2
环境科学与生态学, 工程环境	3

Co-processing plastics waste and biomass by pyrolysis–gasification: a review

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Journal Info

Category	Quartile
ENVIRONMENTAL SCIENCES	1