Kinetics and mechanisms of polyethyleneglycol fragmentation by ozone in aqueous solution

被引:21
作者
Andreozzi, R [1 ]
Caprio, V [1 ]
Insola, A [1 ]
机构
[1] UNIV NAPLES,DIPARTIMENTO INGN CHIM,I-80125 NAPLES,ITALY
关键词
polyethyleneglycol; ozone; fragmentation; kinetics; mechanisms;
D O I
10.1016/S0043-1354(96)00200-X
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The oxidative fragmentation of Polyethyleneglycol by ozone is investigated by means of batch and semibatch ozonation experiments in the pH range 4.0-9.0. Chemical mechanisms and reaction kinetics of the ozonation processes are determined by also exploiting chemical information from experiments on Diethyleneglycol and Ethyleneglycol ozonation. A kinetic model is proposed capable of describing the fragmentation process due to the direct polymer oxidation by ozone. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:2955 / 2960
页数:6
相关论文
共 6 条
  • [1] QUINOLINE OZONATION IN AQUEOUS-SOLUTION
    ANDREOZZI, R
    INSOLA, A
    CAPRIO, V
    DAMORE, MG
    [J]. WATER RESEARCH, 1992, 26 (05) : 639 - 643
  • [2] [Anonymous], 1982, Ozonation in Organic Chemistry. Volume II: Nonolefinic Compounds
  • [3] COOPER AR, 1989, DETERMINATION MOL WE
  • [4] DEGRADATION RATE OF POLY(OXYETHYLENE) IN WATER BY OZONE
    MOROOKA, S
    IKEMIZU, K
    KISHIKAWA, H
    KATO, Y
    [J]. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1981, 14 (01) : 44 - 48
  • [5] OZONE TREATMENT OF WATER-SOLUBLE POLYMERS .4. OZONE DEGRADABILITY OF WATER-SOLUBLE POLYMERS
    SUZUKI, J
    TAUMI, N
    SUZUKI, S
    [J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1979, 23 (11) : 3281 - 3288
  • [6] STUDY ON OZONE TREATMENT OF WATER-SOLUBLE POLYMERS .1. OZONE DEGRADATION OF POLYETHYLENE-GLYCOL IN WATER
    SUZUKI, J
    [J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1976, 20 (01) : 93 - 103