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Supramolecular solvents for the valorization of coffee wastewater
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2020/01/07 , DOI: 10.1039/c9ew01095e Laura Sofia Torres-Valenzuela 1, 2, 3, 4, 5 , Ana Ballesteros-Gomez 1, 2, 3, 4, 5 , Johanna Serna 6, 7, 8, 9 , Andrea Arango 6, 7, 8, 9 , Soledad Rubio 1, 2, 3, 4, 5
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2020/01/07 , DOI: 10.1039/c9ew01095e Laura Sofia Torres-Valenzuela 1, 2, 3, 4, 5 , Ana Ballesteros-Gomez 1, 2, 3, 4, 5 , Johanna Serna 6, 7, 8, 9 , Andrea Arango 6, 7, 8, 9 , Soledad Rubio 1, 2, 3, 4, 5
Affiliation
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Supramolecular solvents (SUPRASs) were investigated for the recovery of bioactives from coffee wastewater (CWW), an abundant residue in the wet and semi-wet processing methods of coffee beans. The SUPRASs were made up of hexagonal inverted aggregates of hexanol or decanoic acid and were spontaneously produced in the wastewater through self-assembly processes. The SUPRAS components were authorized food ingredients facilitating future industrial applicability. Under passive extraction (without stirring), caffeine was recovered with a yield of 54 to 65 mg per liter of wastewater. The SUPRAS extracts showed good antioxidant capacity (up to 53% ABTS˙+) and were stable for at least 2 months in the range of temperatures investigated (4–24 °C) for the preservation of bioactives. Additionally, the SUPRAS-based extraction of bioactives improved substantially some wastewater quality parameters (e.g. BOD, total suspended solids and conductivity), so this process also helped to purify wastewater before dumping it into surface waters.
中文翻译：
用于咖啡废水增值的超分子溶剂
研究了超分子溶剂（SUPRASs）从咖啡废水（CWW）中回收生物活性物质的方法，该废水是咖啡豆的湿法和半湿法加工方法中的大量残留物。SUPRAS由己醇或癸酸的六边形倒置聚集体组成，并通过自组装过程在废水中自发产生。SUPRAS组件已获得授权，可促进未来的工业应用。在被动萃取（不搅拌）下，咖啡因的回收量为每升废水54至65 mg。SUPRAS提取物显示出良好的抗氧化能力（高达53％ABTS˙ +）并在所研究的温度范围（4–24°C）中稳定至少2个月，以保存生物活性物质。此外，基于SUPRAS的生物活性物质的提取大大改善了某些废水质量参数（例如BOD，总悬浮固体和电导率），因此该过程还有助于在将废水倾倒至地表水中之前对其进行净化。
更新日期：2020-03-05
中文翻译：
用于咖啡废水增值的超分子溶剂
研究了超分子溶剂（SUPRASs）从咖啡废水（CWW）中回收生物活性物质的方法，该废水是咖啡豆的湿法和半湿法加工方法中的大量残留物。SUPRAS由己醇或癸酸的六边形倒置聚集体组成，并通过自组装过程在废水中自发产生。SUPRAS组件已获得授权，可促进未来的工业应用。在被动萃取（不搅拌）下，咖啡因的回收量为每升废水54至65 mg。SUPRAS提取物显示出良好的抗氧化能力（高达53％ABTS˙ +）并在所研究的温度范围（4–24°C）中稳定至少2个月，以保存生物活性物质。此外，基于SUPRAS的生物活性物质的提取大大改善了某些废水质量参数（例如BOD，总悬浮固体和电导率），因此该过程还有助于在将废水倾倒至地表水中之前对其进行净化。
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