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市政污泥热解产油影响因素及产物应用特性

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张喻, 樊英杰, 杨鹏程, 陈岗, 刘虎, 冉伟利, 张生军, 殷海龙. 市政污泥热解产油影响因素及产物应用特性[J]. 环境工程学报, 2018, 12(10): 2980-2987. doi: 10.12030/j.cjee.201803245
引用本文: 张喻, 樊英杰, 杨鹏程, 陈岗, 刘虎, 冉伟利, 张生军, 殷海龙. 市政污泥热解产油影响因素及产物应用特性[J]. 环境工程学报, 2018, 12(10): 2980-2987. doi: 10.12030/j.cjee.201803245
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ZHANG Yu, FAN Yingjie, YANG Pengcheng, CHEN Gang, LIU Hu, RAN Weili, ZHANG Shengjun, YIN Hailong. Factors influencing municipal sludge pyrolysis to produce bio-oil and property and application potential of product[J]. Chinese Journal of Environmental Engineering, 2018, 12(10): 2980-2987. doi: 10.12030/j.cjee.201803245
Citation: ZHANG Yu, FAN Yingjie, YANG Pengcheng, CHEN Gang, LIU Hu, RAN Weili, ZHANG Shengjun, YIN Hailong. Factors influencing municipal sludge pyrolysis to produce bio-oil and property and application potential of product[J]. Chinese Journal of Environmental Engineering, 2018, 12(10): 2980-2987. doi: 10.12030/j.cjee.201803245
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市政污泥热解产油影响因素及产物应用特性

  • 1.

    陕西煤业化工技术研究院有限责任公司，西安 710070

  • 2.

    国家能源煤炭分质清洁转化重点实验室，西安 710070

  • 3.

    西安交通大学化学工程与技术学院，西安 710049

  • 4.

    陕西煤业化工集团有限责任公司，西安 710070

  • 基金项目:

    陕西省社会发展科技攻关项目（2016SF-446）

    国家重点研发计划（2016YFB0600403）

Factors influencing municipal sludge pyrolysis to produce bio-oil and property and application potential of product

  • 1.

    Shaanxi Coal Chemical Industry Technology Research Institute Co.Ltd., Xi’an 710070, China

  • 2.

    State Energy Key Lab of Clean Coal Grading Conversion Modern Chemical Technology Department, Xi’an 710070, China

  • 3.

    School of Chemical Engineering and Technology, Xi’an Jiaotong University，Xi’an 710049, China

  • 4.

    Shaanxi Coal and Chemical Industry Group Co.Ltd., Xi’an 710070, China

  • Fund Project:

  • 摘要: 利用外热式固定床反应器，研究终温、反应时间、升温速率等因素对市政污泥热解产油率的影响，并对产物特性进行了讨论。结果表明，热解终温及反应时间显著影响焦油产率，500 ℃是适宜的污泥热解温度，焦油产率达24.74%，温度继续升高则半焦缩聚反应强烈，热解气产率大幅增加，焦油产率基本恒定；在10 ℃·min-1的升温速率条件下，热解终温500 ℃，维持20 min，焦油产率可达到平衡；升温速率对焦油产率的影响不显著，热解反应达到平衡时，不同升温速率条件下，焦油产率相似；污泥焦油组分与中低温煤焦油相近，具备提酚、制燃料油和特种油品的潜力；污泥半焦灰分高，固定碳含量低，具有一定热值，比表面积较发达，掺混燃烧、制备吸附剂是其重要的潜在利用方向。
    Abstract: External heated fixed bed reactor was used to analyze how the temperature, time and heating rate affected the oil yield of municipal sludge pyrolysis. The properties of the products were also analyzed. Experimental results showed that reacting temperature and time had a significant impact on the yield of bio-oil. The yield of bio-oil could be 24.74% at the optimum temperature of 500 ℃. When the reacting temperature rose, strong condensation of the bio-char occurred, along with the increasing bio-gas yield and constant bio-oil yield. The yield of bio-oil needed 20 minutes to reach the steady state at 500 ℃ with the heating rate of 10 ℃·min-1. Heating rate had a insignificant influence on the yield of bio-oil, and the yields were similar under different heating rate when reactions reached the steady state. The components of bio-oil were similar to the low temperature coal-tar. Therefore, bio-oil was a potential raw material to extract phenols, produce fuel oil and specialty oil. Bio-char had characters of high ash content, low fixed carbon, moderate calorific value and large specific surface area, so it could be processed as absorbent and mixing combustion fuel.
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  • 刊出日期:  2018-10-11

市政污泥热解产油影响因素及产物应用特性

  • 1. 陕西煤业化工技术研究院有限责任公司，西安 710070
  • 2. 国家能源煤炭分质清洁转化重点实验室，西安 710070
  • 3. 西安交通大学化学工程与技术学院，西安 710049
  • 4. 陕西煤业化工集团有限责任公司，西安 710070
基金项目:

陕西省社会发展科技攻关项目（2016SF-446）

国家重点研发计划（2016YFB0600403）

摘要: 利用外热式固定床反应器，研究终温、反应时间、升温速率等因素对市政污泥热解产油率的影响，并对产物特性进行了讨论。结果表明，热解终温及反应时间显著影响焦油产率，500 ℃是适宜的污泥热解温度，焦油产率达24.74%，温度继续升高则半焦缩聚反应强烈，热解气产率大幅增加，焦油产率基本恒定；在10 ℃·min-1的升温速率条件下，热解终温500 ℃，维持20 min，焦油产率可达到平衡；升温速率对焦油产率的影响不显著，热解反应达到平衡时，不同升温速率条件下，焦油产率相似；污泥焦油组分与中低温煤焦油相近，具备提酚、制燃料油和特种油品的潜力；污泥半焦灰分高，固定碳含量低，具有一定热值，比表面积较发达，掺混燃烧、制备吸附剂是其重要的潜在利用方向。

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