抗生素菌渣催化热解特性的研究

常晓囡; 李再兴; 李益飞; 郑子轩

doi:10.13205/j.hjgc.202205003

抗生素菌渣催化热解特性的研究

doi: 10.13205/j.hjgc.202205003

1. 河北科技大学环境科学与工程学院, 石家庄 050000;
2. 北京科技大学能源与环境工程学院, 北京 100083

基金项目:

河北省自然科学基金项目“多酶磁驱固定化提取抗生素菌渣中蛋白质的调控机制”(E2020208054)

详细信息

作者简介:
常晓囡(1995-),女,硕士研究生,主要研究方向为抗生素菌渣的资源化利用。2234789355@qq.com

通讯作者:
李再兴(1973-),男,教授,主要研究方向为水污染控制及污水资源化。li_zaixing@163.com

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出版历程
- 收稿日期: 2020-08-10
- 网络出版日期: 2022-07-02

SSTUDY ON CATALYTIC PYROLYSIS CHARACTERISTICS OF ANTIBIOTIC RESIDUE

1. School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China;
2. School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China

摘要

摘要: 为了将生物质转化为高品质的液体燃料,以青霉素菌渣为催化热解实验原料,在温度为400,500,600,700℃下进行热解实验,以生物质油产率最大化为目的,探究最佳热解温度。在此基础上,选用CoO/HZSM-5和NiO/HZSM-5作为催化剂,对青霉素菌渣进行催化热解实验,探究催化剂对生物油催化提质的作用。结果表明:不添加催化剂时,青霉素菌渣在500℃条件下热解所得的生物质油产率达到最高。在此温度条件下,添加催化剂CoO/HZSM-5和NiO/HZSM-5时,生物质油的产率相对降低,但催化热解后生物油中烃类物质含量分别增加8.66,7.41百分点,达到25.34%和24.09%;含氧类物质如醇类、酯类和醛类物质含量分别降低9.68,12.49百分点,为31.74%和30.34%;含氮杂环类物质含量分别降低5.96,12.49百分点,为32.51%和35.07%。天冬氨酸、组氨酸、谷氨酸和中间产物DKP的催化热解实验进一步解释了青霉素菌渣催化热解的机理。
- 青霉素菌渣 /
- 氨基酸 /
- 催化热解 /
- HZSM-5 /
- GC-MS
Abstract: In order to convert biomass into high-quality liquid fuel, penicillin residue was selected as catalytic pyrolysis material and pyrolysis experiments were carried out at temperatures of 400℃, 500℃, 600℃ and 700℃. To maximize the yield of biomass oil, the optimal pyrolysis temperature was explored. On this basis, CoO/HZSM-5 and NiO/HZSM-5 were selected as catalysts for catalytic pyrolysis of penicillin residue to explore their catalytic effect on the quality improvement of bio-oil. The results showed that the yield of biomass oil obtained by pyrolysis of penicillin residue at 500℃ reached the peak without catalyst. At the same temperature, the yield of biomass oil decreased when catalyst CoO/HZSM-5 and NiO/HZSM-5 were added, but the content of hydrocarbons in the bio-oil increased by 8.66 and 7.41 percentage points, reaching 25.34% and 24.09%, respectively; the contents of oxygen-containing substances including alcohols, esters, and aldehydes decreased by 9.68 and 12.49 percentage points, respectively, to 31.74% and 30.34%; the contents of nitrogen-containing heterocyclic substances decreased by 5.96 and 12.49 percentage points, respectively, to 32.51% and 35.07%. The catalytic pyrolysis of three amino acids and the intermediate product DKP was studied to further explain the catalytic pyrolysis mechanism of penicillin residue.For the purpose of maximizing the rate, the optimal pyrolysis temperature was also explored.
- penicillin residue /
- amino acid /
- catalytic pyrolysis /
- HZSM-5 /
- GC-MS

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