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Pretreatment of cheese whey for hydrogen production using a simple hydrodynamic cavitation system under alkaline condition

机译:在碱性条件下使用简单的水力空化系统对干酪乳清进行制氢前处理

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摘要

A simple hydrodynamic cavitation (HC) system was newly employed as a pretreatment method for H-2 production from cheese whey. This system offered not only the sonication effect but also an increase in the temperature of the solution. With HC pretreatment for 15 min, a higher H-2 production yield (1.89 mol H-2/mol lactose) was obtained than with other conventional pretreatment methods such as heating and sonication. HC pretreatment efficiency was synergistically increased when combined with alkaline conditions. In this way, the amount of solubilized nutrient was greatly increased and methanogens were completely removed, leading to H-2 gas of higher purity (48%) and a yield of 3.30 mol H-2/mol lactose. HC pretreatment under alkaline conditions can be used to efficiently pretreat organic-rich wastewater, including cheese whey, without any scale-up problem, and is an excellent pretreatment option for H-2 production. (C) 2015 Elsevier Ltd. All rights reserved.
机译:一种新的简单的水力空化(HC)系统被用作从干酪乳清生产H-2的预处理方法。该系统不仅提供超声处理效果,而且还提高了溶液温度。使用HC预处理15分钟,与使用其他常规预处理方法(例如加热和超声处理)相比,可获得更高的H-2产量(1.89 mol H-2 / mol乳糖)。当与碱性条件结合使用时,HC预处理效率协同提高。以此方式,可溶营养物的量大大增加,并完全去除了产甲烷菌,从而产生了更高纯度的H-2气体(48%),产率为3.30 mol H-2 / mol乳糖。碱性条件下的HC预处理可用于有效地预处理富含有机物的废水,包括干酪乳清,而没有任何规模扩大的问题,并且是H-2生产的绝佳预处理选择。 (C)2015 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Fuel》 |2015年第15期|202-207|共6页
  • 作者单位

    Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea;

    Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea;

    Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea;

    Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cheese whey; Hydrodynamic cavitation; Hydrogen production; Alkaline pretreatment;

    机译:干酪乳清;水力空化;产氢;碱性预处理;

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