聚乙烯吡咯烷酮/羟丙基甲基纤维素/纳米纤维素三元恶臭气体阻隔喷膜研发及阻隔性能研究

付佳慧; 郭婕; 刘爱荣; 周涛; 赵由才

doi:10.13205/j.hjgc.202412015

聚乙烯吡咯烷酮/羟丙基甲基纤维素/纳米纤维素三元恶臭气体阻隔喷膜研发及阻隔性能研究

doi: 10.13205/j.hjgc.202412015

付佳慧^1,2,
郭婕^1,2,
刘爱荣^1,2, ,,
周涛^1,2,
赵由才^1,2

1. 同济大学环境科学与工程学院, 上海 200092;
2. 污染控制与资源化研究国家重点实验室, 上海 200092

基金项目:

国家重点研发计划项目(2018YFC1901402)

详细信息

作者简介:
付佳慧(1999-),女,博士研究生,主要研究方向为环境纳米材料。2310154@tongji.edu.cn;郭婕(1996-),女,硕士研究生,主要研究方向为垃圾填埋场除臭复合膜。

通讯作者:
刘爱荣,女,副教授、博士生导师,主要研究方向为铁环境化学理论及应用。liuairong@tongji.edu.cn

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出版历程
- 收稿日期: 2023-10-09
- 网络出版日期: 2025-01-18

DEVELOPMENT AND BARRIER PERFORMANCE OF A POLYVINYLPYRROLIDONE/ HYDROXYPROPYL METHYLCELLULOSE/NANOCELLULOSE TERNARY ODOR GAS BARRIER SPRAY FILM

FU Jiahui^1,2,
GUO Jie^1,2,
LIU Airong^{1,2
, ,},
ZHOU Tao^1,2,
ZHAO Youcai^1,2

1. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
2. State Key Laboratory for Pollution Control and Resource Reuse, Shanghai 200092, China

摘要

摘要: 垃圾填埋处理的过程会产生恶臭气体,特点是产生量大、持续时间长、影响范围广等,其中硫化氢(H₂S)和氨气(NH₃)是生活垃圾填埋场散发的典型恶臭气体。为了处理恶臭气体,使用以聚乙烯吡咯烷酮(polyvinylpyrrolidone, PVP)、羟丙基甲基纤维素(hydroxypropyl methylcellulose, HPMC)、纤维素纳米纤维(cellulose nanofiber, CNF)、纤维素纳米晶(cellulose nanocrystal, CNC)为膜基材的聚合物共混物(polymer blend)制备除臭复合膜,PVP的羰基与HPMC的游离羟基之间存有较强分子间氢键,在整个组成范围内形成可混溶的共混物,相容性良好。该高分子混合溶液喷洒后成膜,利用模拟升流式反应器隔绝H₂S和NH₃,单因素实验及响应面分析得到最佳复合膜液配比为4.20% PVP、1.20% HPMC、0.40% CNF、0.06% CNC;并添加增塑剂1.5％丙三醇、表面活性剂1.0% 吐温80、防蝇除臭剂3.0% 柠檬烯、香料0.5%茶树精油优化复合膜性能,该复合膜对H₂S和NH₃的截留率在30 min时均可保证在95%以上。
- 恶臭气体 /
- 除臭复合膜 /
- 正交实验 /
- 气体截留率 /
- 优化制备
Abstract: Gases with bad odor are produced during the landfill treatment process, and with a large production, long lifetime, and broad impact range. Among them, hydrogen sulfide and ammonia are the typical pungent gases released by landfills for municipal solid waste. To deal with odorous gases, this article used a polymer blend based on polyvinylpyrrolidone (PVP), hydroxypropyl methylcellulose (HPMC), cellulose nanofiber (CNF), and cellulose nanocrystal (CNC) as the membrane substrates. There is a strong intermolecular hydrogen bond between the carbonyl group of polyvinylpyrrolidone and the free hydroxyl group of hydroxypropyl methylcellulose, forming a miscible blend throughout the entire composition range with good compatibility. The polymer mixed solution was sprayed into a film, and a simulated upflow reactor was used to isolate hydrogen sulfide and ammonia gas. Single-factor experiments were conducted, response surface analysis was designed, and the optimal composite membrane liquid ratio was obtained as follows: 4.20% PVP, 1.20% HPMC, 0.40% CNF, and 0.06% CNC. A plasticizer of 1.5% glycerol, a surfactant of 1.0% Tween 80, a fly repellent and deodorant of 3.0% limonene, and a fragrance of 0.5% tea tree essential oil were added to optimize the comprehensive performance of the composite membrane. The retention rate of H₂S and NH₃ in the composite membrane can be guaranteed to be 95% above in 30 minutes.
- odorous gas /
- deodorization composite membrane /
- orthogonal experiment /
- gas retention rate /
- optimize preparation

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参考文献(49)

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聚乙烯吡咯烷酮/羟丙基甲基纤维素/纳米纤维素三元恶臭气体阻隔喷膜研发及阻隔性能研究

doi: 10.13205/j.hjgc.202412015

作者简介:
付佳慧(1999-),女,博士研究生,主要研究方向为环境纳米材料。2310154@tongji.edu.cn;郭婕(1996-),女,硕士研究生,主要研究方向为垃圾填埋场除臭复合膜。

通讯作者:
刘爱荣,女,副教授、博士生导师,主要研究方向为铁环境化学理论及应用。liuairong@tongji.edu.cn

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DEVELOPMENT AND BARRIER PERFORMANCE OF A POLYVINYLPYRROLIDONE/ HYDROXYPROPYL METHYLCELLULOSE/NANOCELLULOSE TERNARY ODOR GAS BARRIER SPRAY FILM

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聚乙烯吡咯烷酮/羟丙基甲基纤维素/纳米纤维素三元恶臭气体阻隔喷膜研发及阻隔性能研究

doi: 10.13205/j.hjgc.202412015

作者简介: 付佳慧(1999-),女,博士研究生,主要研究方向为环境纳米材料。2310154@tongji.edu.cn;郭婕(1996-),女,硕士研究生,主要研究方向为垃圾填埋场除臭复合膜。

通讯作者: 刘爱荣,女,副教授、博士生导师,主要研究方向为铁环境化学理论及应用。liuairong@tongji.edu.cn

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出版历程

DEVELOPMENT AND BARRIER PERFORMANCE OF A POLYVINYLPYRROLIDONE/ HYDROXYPROPYL METHYLCELLULOSE/NANOCELLULOSE TERNARY ODOR GAS BARRIER SPRAY FILM

计量

出版历程

目录

期刊在线

作者中心

友情链接

作者简介:
付佳慧(1999-),女,博士研究生,主要研究方向为环境纳米材料。2310154@tongji.edu.cn;郭婕(1996-),女,硕士研究生,主要研究方向为垃圾填埋场除臭复合膜。

通讯作者:
刘爱荣,女,副教授、博士生导师,主要研究方向为铁环境化学理论及应用。liuairong@tongji.edu.cn