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首页> 外文期刊>Renewable energy >Two-step continuous hydrogen production by immobilized mixed culture on corn stalk
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Two-step continuous hydrogen production by immobilized mixed culture on corn stalk

机译：玉米秸秆固定化混合培养两步连续制氢

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摘要

The present study developed a two-step continuous hydrogen production process using immobilized mixed culture with corn stalk as adsorption carrier. The carrier inoculum and hydraulic retention time (HRT) were optimized in batch and semi-continuous tests, respectively. The results showed that the immobilized bacteria could use starch directly, and the highest hydrogen yield of 1.81 mol H-2/mol glucose was obtained with a carrier inoculum of 1% in the batch test. The semi-continuous test exhibited a continuous and stable hydrogen production for 20 days at HRT = 48 h, with an average hydrogen production rate of 223.56 mL/L/d. Under these conditions, a two-step continuous test was successfully developed, and the hydrogen production in both two reactors increased linearly for 18 days without any start-up period. The total hydrogen production rate could reach 429.72 mL/L/d. The results indicated the potential of using corn stalk as adsorption carrier for continuous hydrogen production. (C) 2018 Elsevier Ltd. All rights reserved.
机译：本研究开发了一种以玉米秸秆为吸附载体的固定混合培养的两步连续制氢工艺。分别在分批和半连续测试中优化了载体接种物和水力停留时间（HRT）。结果表明，固定化细菌可直接利用淀粉，在分批试验中，以1％的载体接种量可获得最高氢气产量1.81 mol H-2 / mol葡萄糖。半连续测试显示HRT = 48 h连续20天稳定产氢，平均产氢率为223.56 mL / L / d。在这些条件下，成功开发出了两步连续测试，并且两个反应器中的氢气产量连续18天线性增加，没有任何启动期。总产氢量可达到429.72 mL / L / d。结果表明使用玉米秸秆作为吸附剂连续生产氢气的潜力。 （C）2018 Elsevier Ltd.保留所有权利。

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  • 来源
    《Renewable energy》 |2018年第6期|230-235|共6页
  • 作者

    Wang Shaojie; Ma Zhihong; Su Haijia;

  • 作者单位

    Beijing Univ Chem Technol, Beijing Key Lab Bioproc, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Beijing Key Lab Bioproc, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Beijing Key Lab Bioproc, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing 100029, Peoples R China;

  • 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

    Continuous hydrogen production; Immobilization; Corn stalk; Mixed culture;

    机译：连续制氢;固定化;玉米秸秆;混合培养;

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