BIOETHANOL POTENTIAL FROM WHOLE PARTS OF CASSAVA PLANT IN INDONESIA

Jurnal Teknologi Industri Pertanian Pub Date : 2021-07-01 DOI:10.24961/j.tek.ind.pert.2021.31.1.20

Felen Suryani Dinata, I. Kartawiria

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引用次数: 1

Abstract

Cassava is a promising bioethanol feedstock as all parts of cassava plant including its tuber, stem, leaves, along with processing waste such as peel and bagasse can be used in bioethanol production. However, bioethanol potential from the whole parts of cassava plant is not yet summarized. This research reviewed and calculated the average bioethanol yield from each part of the cassava plant, and calculated bioethanol potential from the whole parts of cassava plant, especially in Indonesia. Fresh cassava tuber, fresh stem, fresh leaves, fresh peel, and dry bagasse are found to have average bioethanol yield of 180 L/ton, 155 L/ton, 75 L/ton, 160 L/ton, and 390 L/ton, respectively. If the whole cassava plant along with its processing waste is utilized for bioethanol production, cassava plants that produce a ton of fresh cassava tuber can yield 400 L bioethanol. With a scenario of total area harvested 700,000 ha and cassava productivity of 22.5 tonnes/ha/year, bioethanol potential from whole cassava plant and its processing waste in Indonesia is 6.3 billion L/year. However, using all the cassava plant for bioethanol production is impractical, considering other utilization of cassava. The bioethanol potential from whole parts of cassava plant after considering other use of plant becomes 2.9 billion L/year. Even when the cassava tuber is used for other utilization, bioethanol from unused cassava stem, leaves, peel, and bagasse is still significant and worth considering. Keywords: bioethanol, cassava plant, waste

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印度尼西亚木薯植物整个部分的生物乙醇潜力

木薯是一种很有前途的生物乙醇原料，因为木薯植物的所有部分，包括其块茎、茎、叶，以及加工废料如果皮和甘蔗渣都可以用于生物乙醇生产。然而，从木薯植物的整个部分的生物乙醇潜力尚未总结。本研究回顾和计算了木薯植株各部分的平均生物乙醇产量，并计算了木薯植株全部分的生物乙醇潜力，特别是在印度尼西亚。新鲜木薯块茎、新鲜木薯茎、新鲜木薯叶、新鲜木薯皮和干甘蔗渣的平均生物乙醇产量分别为180 L/吨、155 L/吨、75 L/吨、160 L/吨和390 L/吨。如果将整个木薯植株及其加工废料用于生产生物乙醇，那么生产一吨新鲜木薯块茎的木薯植株可以生产400升生物乙醇。根据总收获面积为70万公顷，木薯产量为22.5吨/公顷/年的设想，印度尼西亚整株木薯及其加工废料的生物乙醇潜力为63亿升/年。然而，考虑到木薯的其他用途，使用所有木薯植物生产生物乙醇是不切实际的。考虑到植物的其他用途，木薯植株的整个部分的生物乙醇潜力达到29亿升/年。即使木薯块茎被用于其他用途，从未使用的木薯茎、叶、皮和甘蔗渣中提取的生物乙醇仍然是重要的，值得考虑。关键词:生物乙醇，木薯植物，废弃物

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Jurnal Teknologi Industri Pertanian

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