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标题：Exploring the potential of coffee husk as caffeine bio-adsorbent – A mini-review
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作者：Nora E. Torres Castillo ; Jhosseph S. Ochoa Sierra ; Mariel A. Oyervides-Muñoz 等
期刊名称：Case Studies in Chemical and Environmental Engineering
印刷版ISSN：2666-0164
出版年度：2021
卷号：3
页码：1-7
DOI：10.1016/j.cscee.2020.100070
语种：English
出版社：Elsevier
摘要：AbstractAt present, caffeine is emerging as a critical pollutant, due to its high demand in food, drinks, and prescription drugs. At the same time, the growth of the coffee market is generating an increment of coffee processing by-products, in the specific coffee husk, where for each ton of coffee produced, half-ton of coffee husk is generated. Even though currently coffee husk is used as the prime source for composting, fertilizers, and feedstock for cattle, there is still an ample fraction that ended up discharge to the environment. Thus, caffeine levels increase not only because of human consumption but also for the coffee process itself, in soil, and water bodies, affecting living organisms at the macro and microscopic level, including humans. Nonetheless, this scheme can change, and based on a circular economy approach, coffee husk opens the opportunity of reducing caffeine pollution by using the coffee plant itself. Therefore, this work aims to explore the alternative of using coffee husk as a bio-adsorbent to tackle caffeine contamination in aquatic, and terrestrial ecosystems.Graphical abstractDisplay OmittedHighlights•Caffeine is an emerging pollutant with damage to the ecosystem, and human health.•Agricultural wastes have been used as an adsorbent in the removal of pollutants.•Coffee husk is a potential bio-adsorbent to reduce caffeine contamination.•Coffee processing by-products reuse reduces its environmental negative impact.
关键词：KeywordsenCoffee by-productsBio-adsorptionCaffeine metabolismEmergent pollulantEcotoxic effects