摘要
对比2种磁性离子交换树脂m-PGMA（magnetic poly（glycidyl methacrylate）resin）和MIEX（magnetic ionexchange resin）对太湖水源水中有机物去除效果;基于2种树脂物化性能,并采用亲疏水性分级、相对分子质量分布和三维荧光光谱结合区域积分法,比较2种树脂对太湖水源水中有机物的去除特性。研究结果表明：2种树脂对水源水中有机物均有较好的去除效果,A254和DOC质量浓度降幅分别在72%和40%左右。m-PGMA和MIEX？对水源水中亲水性有机物去除率分别为52.97%和40.08%;2种树脂对于相对分子质量（Mr）〈3 000的中低分子有机物均具有较好的去除效果,m-PGMA对于Mr〉30 000的大分子有机物去除率高于MIEX。m-PGMA较MIEX对芳香类蛋白质、溶解性微生物代谢产物均有较好的去除效果,对富里酸和腐植酸物质去除效果在50%以上。
Two kinds of magnetic ion exchange resins（m-PGMA and MIEX~#174;） were chosen to compare the removal characteristics of the natural organic matter（NOM） in raw water of Tai Lake. And the removal characteristics were measured by molecular weight distribution, hydrophobicity fractionation and three-dimensional excitation emission matrix fluorescence spectroscopy（3DEEM）. The results show that m-PGMA and MIEX~#174; both exert high removal rates of UV254（about 72%） and DOC（about 40%）. MIEX~#174; and m-PGMA effectively remove hydrophobic organics and low molecule organic matter. For hydrophilic fractions and high molecule organic matter, m-PGMA exerts higher removal rates than that of MIEX~#174;. M-PGMA exerts higher removal rates of aromatic proteins and soluble microbial products（SMP） than that of MIEX~#174;. For fulvic acid-like and humic acid organics, MIEX and m-PGMA have a similar removal rate（more than 50%）.
出处
《中南大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2016年第6期2174-2180,共7页
Journal of Central South University:Science and Technology
基金
国家自然科学基金资助项目(511788159)
江苏省普通高校研究生科研创新计划项目(CXZZ13_0244).
