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首页> 外文期刊>Resources >An Innovative Device to Convert Olive Mill Wastewater into a Suitable Effluent for Feeding Purple Non-Sulfur Photosynthetic Bacteria
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An Innovative Device to Convert Olive Mill Wastewater into a Suitable Effluent for Feeding Purple Non-Sulfur Photosynthetic Bacteria

机译：一种创新装置，可将橄榄磨厂的废水转化成适合饲养紫色无硫光合细菌的废水

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A device (prototype) with a working volume of 200 L was used to deplete olive mill wastewater (OMW) of polyphenols. The OMW transformed into feedstock by means of the device was then used for feeding a lab-scale photobioreactor, just for testing the production of bioH2. The main novelty of this prototype consists in the combination of several adsorbent matrices and the exploitation of their synergic action. In this investigation, three matrices have been used: active carbon, Azolla and zeolite. The device was operated at an olive oil company located in the heart of the Chianti zone (Province of Florence, Italy). The efficiency of polyphenol removal obtained using the device was ≥96%. The multi-matrix effluent (MMeff) generated was then used to obtain three different culture broths containing 25%, 50% and 100% of MMeff, respectively. The diluted (with water) culture broths were suitable for hydrogen generation, with the highest hydrogen production rate (12.7 mL H2/Lculture/h) being obtained using 50% MMeff. The hydrogen yields were: 334 mL H2/L of MMeff, when feeding the photofermenter with pure effluent (100%); 1308 mL H2/L of MMeff, with the half-diluted effluent (50%, v/v); and 432 mL H2/L of MMeff, with the highest-diluted effluent (25%, v/v).
机译：使用工作容积为200 L的设备（原型）消耗橄榄工厂的多酚废水（OMW）。然后将通过该设备转化为原料的OMW用作实验室规模的光生物反应器的进料，仅用于测试bioH 2 的生产。该原型的主要新颖之处在于几种吸附剂基质的结合及其协同作用的开发。在这项研究中，使用了三种基质：活性炭，Azolla和沸石。该设备是在位于基安蒂地区中心（意大利佛罗伦萨省）的一家橄榄油公司操作的。使用该设备获得的多酚去除效率≥96％。然后将产生的多基质流出物（MM eff ）用于获得三种分别含25％，50％和100％MM eff 的不同培养液。稀释的（用水）培养肉汤适合制氢，使用50％可获得最高产氢率（12.7 mL H 2 / L 培养 / h）。 MM eff 。当向光发酵罐中加入纯净流出物（100％）时，氢气产量为：334 mL H 2 / L MM eff ; MM eff 的1308 mL H 2 / L，稀释一半（50％，v / v）;和432mL H 2 / L的MM eff ，稀释后的废水最高（25％，v / v）。

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