水源热泵水处理系统DOM三维荧光光谱特征分析

doi:10.3964/j.issn.1000-0593(2018)04-1146-07

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摘要：为探明水源热泵水处理系统的净水过程，提高热泵系统能效，采用三维荧光光谱研究了水处理系统各单元水DOM的荧光。结果表明，水源热泵水处理系统对DOM处理效果不佳，且长期被忽略，影响其能效。过滤器清洗周期对蛋白类有机组分、微生物代谢产物和类腐殖质的去除影响大；系统内HIX指数均<4，其DOM主要来源是微生物代谢产物和蛋白类物质。清洗周期过长会造成系统内部淤泥堵塞，引发系统内DOM泄露。水中类富里酸和蛋白类有机组分可能来源于小环藻，而类腐殖质则可能来源于其他藻类。系统内DOM的去除效果主要受过滤器运行周期影响，为防止热泵系统结垢问题，应该针对水源地的水质加大清洗频次，并强化水源热泵系统的水处理。

关键词：三维荧光光谱；水处理系统；水源热泵；溶解性有机物；水质

Abstract：To comprehend the water purification process of Water Source Heat Pump (WSHP) water treatment system and improve the efficiency of WSHP, the fluorescence of DOM in water treatment system was studied with three-dimensional fluorescence spectroscopy. The results showed that the WSHP water treatment system has poor effect on the treatment of DOM, which has long been neglected, which affecting energy efficiency of WSHP. The filter cleaning cycle has a significant effect on the removal of protein organic components, microbial metabolites and humus. The HIX index of water in the system smaller than 4, and the main source of DOM is microbial metabolites. A long cleaning cycle will cause the system internal sludge clogging, triggering the DOM leak. The rich fulvic acid and protein organic components may be derived from Cyclotella sp., and humus may be derived from other algae. DOM removal effect is mainly affected by the filter operating cycle. To prevent the scaling problem in WSHP, more water treatment measures, such as frequent cleaning and intensive processing, should be taken to enhance the efficacy of WSHP.

Key words：3-D fluorescence analysis technique; Water treatment systems; Water source heat pump; Dissolved organic matter; Water quality

收稿日期: 2017-10-18 修订日期: 2018-01-19

中图分类号:

TU991.4

基金资助: 福州市科技计划项目(2012-G-111)，福建省住建厅科技计划项目(2016-K-44)，国家自然科学基金项目(51778146，51308123)，中国博士后科学基金项目(2014M561856)资助

通讯作者: 欧阳恒，范功端 E-mail: heng.ouyang@fjut.edu.cn；fgdfz@fzu.edu.cn

作者简介: 欧阳恒，女，1983年生，福建工程学院土木工程学院讲师 e-mail： heng.ouyang@fjut.edu.cn

引用本文:

欧阳恒，肖剑仁，林修咏，范功端. 水源热泵水处理系统DOM三维荧光光谱特征分析[J]. 光谱学与光谱分析, 2018, 38(04): 1146-1152.
OUYANG Heng, XIAO Jian-ren, LIN Xiu-yong, FAN Gong-duan. Compositional Characteristics of Dissolved Organic Matter in Water Treatment Systems of Water Source Heat Pump Based on Three-Dimensional Fluorescence Analysis. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2018, 38(04): 1146-1152.

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