Unlocking the potential of rice straw: Sustainable utilization strategies for Bangladesh

Bidhan Nath , Md Moudud Ahmmed , Subrata Paul , Md Durrul Huda , Mohammad Afzal Hossain , Sharmin Islam
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引用次数: 0

Abstract

Bangladesh annually produces vast amounts of rice straw. However, they have low utilization efficiency, with a significant portion being wasted, and are usually openly burned (cooking food/heating) by farmers, lost during collection, and discarded or directly burned in the field. Straw holds immense potential for conversion into valuable products beyond its raw form. In the 2021–2022 season alone, Bangladesh produced 52.25 million tons of rice straw, with an energy potential of 189.52 × 109 MJ. This study provided tangible information on various aspects of rice straw, including its availability, distribution, energy potential, common uses, and causes and impact as waste. Moreover, it is a comparative analysis of traditional uses alongside recent innovation utilization of straw. Suggested management options incorporating multifaceted conversion strategies are explored to encourage alternative utilization, which requires policies and diverse initiatives with financial support. Innovative approaches, such as the conversion of straw to renewable energy, along with alternative application strategies, are highlighted as promising technologies that can enhance flexibility and efficiency in utilization. Moreover, a comparative analysis has been carried out on traditional straw uses alongside recent innovations in its utilization, such as biogas production, biofuel generation, biochar creation, and composting, alongside value-added applications such as papermaking and industrial materials. A strategic approach to overcoming challenges and leveraging opportunities in rice straw utilization through technological advancements is proposed, aiming for sustainable and environmentally friendly practices. The current study emphasizes the importance of further research, particularly in the exploration of industrial and commercial applications of rice straw, to maximize its potential as a valuable agricultural residue.
释放稻草的潜力:孟加拉国的可持续利用战略
孟加拉国每年生产大量的稻草。但利用效率较低,有相当一部分被浪费,通常被农民公开焚烧(烹饪食物/加热),在收集过程中丢失,丢弃或直接在田间焚烧。秸秆具有巨大的潜力,可以将其转化为有价值的产品。仅在2021-2022年,孟加拉国就生产了5225万吨稻草,能源潜力为189.52 × 109兆焦耳。这项研究提供了关于稻草的各个方面的具体信息,包括稻草的可得性、分布、能源潜力、常见用途以及作为废物的原因和影响。此外,它是传统用途的比较分析与最近的创新利用秸秆。探讨了建议的管理办法,其中包括多方面的转换战略,以鼓励替代利用,这需要政策和有财政支助的各种倡议。将秸秆转化为可再生能源等创新方法以及其他应用战略被强调为有希望的技术,可以提高利用的灵活性和效率。此外,还对传统秸秆用途与最近的秸秆利用创新(如沼气生产、生物燃料生产、生物炭制造和堆肥)以及造纸和工业材料等增值应用进行了比较分析。提出了一种通过技术进步来克服挑战和利用机遇的战略方法,旨在实现可持续和环境友好的做法。目前的研究强调了进一步研究的重要性,特别是在探索水稻秸秆的工业和商业应用方面,以最大限度地发挥其作为有价值的农业残留物的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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