A Review on Pyrolysis of Agro-waste and Plastic Waste into Biofuels: Shifting to Bio-based Economy

IF 3.1 3区工程技术 Q3 ENERGY & FUELS

BioEnergy Research Pub Date : 2023-02-02 DOI:10.1007/s12155-023-10565-y

Midhun Prasad K, Murugavelh Somasundaram, B Anand, R Shankar, Rajkumar P

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Abstract

An increase in world energy consumption and its subsequent effect of carbon emission necessitates a shift towards the use of clean and sustainable fuels. Biomass is a promising resource for energy generation owing to its renewable nature and substantial energy content. The addition of plastics to improve the product yield has also been elaborated. Thermogravimetric analysis is a technical tool that can be used to elucidate the pyrolysis temperature and heating rate. Activation energy helps to identify the energy requirement for the pyrolysis process. Kinetics of the pyrolysis process is an effective tool for determining the minimum energy requirement and feasibility. This review highlights the importance of reaction kinetics, exergy, and energy analysis. The liquid fuel obtained through the thermal cracking of biomass has the potential to be used as a blend with conventional petroleum fuels. Substitution/blending of pyro-oil with petroleum fuels helps to reduce greenhouse emissions and global warming. The oxygen content of rice straw and Alga Sargassum sp. is 55 and 67%, respectively. Energy and exergy analysis improves the process economy. The success of any technology depends on its easy handling and economic feasibility. This review is the first of a kind in throwing light on the energy and exergy analysis of the pyrolysis process. Pyro-oil has an increased amount of oxygen content which has to be upgraded for further use. Pyrolysis also serves as an efficient tool for converting plastic waste into energy.

Graphical Abstract

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农业废弃物和塑料废弃物热解制生物燃料研究进展:向生物基经济转型

世界能源消费的增加及其随之而来的碳排放的影响，使我们必须转向使用清洁和可持续的燃料。生物质能是一种很有前途的能源，因为它的可再生性质和大量的能量含量。并阐述了塑料的加入对提高产品收率的作用。热重分析是研究热解温度和升温速率的一种技术手段。活化能有助于确定热解过程的能量需求。热解过程动力学是确定最小能量需求和可行性的有效工具。这篇综述强调了反应动力学、火用和能量分析的重要性。通过生物质热裂解获得的液体燃料有可能与常规石油燃料混合使用。用石油燃料替代/混合燃料油有助于减少温室气体排放和全球变暖。稻秆和马尾藻的含氧量分别为55%和67%。能源和用能分析提高了过程经济性。任何技术的成功都取决于其易于操作和经济可行性。这篇综述是第一次对热解过程的能量和火用分析进行阐述。火油的氧含量增加，必须升级以进一步使用。热解也是将塑料废物转化为能源的有效工具。图形抽象

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来源期刊

BioEnergy Research ENERGY & FUELS-ENVIRONMENTAL SCIENCES

CiteScore

6.70

自引率

8.30%

发文量

174

审稿时长

3 months

期刊介绍： BioEnergy Research fills a void in the rapidly growing area of feedstock biology research related to biomass, biofuels, and bioenergy. The journal publishes a wide range of articles, including peer-reviewed scientific research, reviews, perspectives and commentary, industry news, and government policy updates. Its coverage brings together a uniquely broad combination of disciplines with a common focus on feedstock biology and science, related to biomass, biofeedstock, and bioenergy production.