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Removal of phenols from the water effluents of olive presses

机译：从橄榄压榨机的废水中去除酚

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The water effluents of olive presses contain a number of phenols that are hardly biodegradable and therefore constitute an environmental hazard, mainly in the Mediterranean countries. The present work presents the results obtained from the study of artificial solutions containing one kind of phenol, namely gallic acid that consists of the main type of phenols present.According to the experimental procedure, the phenol is removed from the water solution by absorption on different naturally occurring raw rock materials. The first material is caustic magnesia produced after the calcination of a magnesite sample from Macedonia, Greece, the second is a sample of sedimentary psammitic marl from the area of Chania, Crete, Greece, and the third solid absorbent is a bentonite sample from the island of Milos, Greece.According to the results obtained, magnesia seems to be by far the best absorbent, with an absorbing capacity of 3500 mg of phenol per gram, followed by the psammitic marl. The absorbing capacity of bentonite is almost negligible.
机译：橄榄压榨机的废水中含有大量难以生物降解的酚，因此对环境构成危害，主要在地中海国家中。本文的研究结果是从人工溶液的研究中得到的结果，该人工溶液含有一种主要的酚类组成的没食子酸。根据实验程序，通过在不同的吸收条件下从水溶液中除去苯酚。天然岩石原料。第一种材料是煅烧来自希腊马其顿的菱镁矿样品后产生的苛性镁砂，第二种是来自希腊克里特岛伊拉克利翁地区的沉积性密胺石灰石样品，第三种固体吸收剂是来自该岛的膨润土样品根据获得的结果，氧化镁似乎是迄今为止最好的吸收剂，吸收能力为每克3500毫克苯酚，其次是渗透性灰泥。膨润土的吸收能力几乎可以忽略不计。

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