The role of trunk mains in discolouration
The role of trunk mains in discolouration
复制标题
躯干电源在变色中的作用
DOI:
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
J. Boxall
中科院分区:
文献类型:
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作者:
P. Husband;J. Whitehead;J. Boxall
Understanding and managing the causes of drinking water discolouration are key challenges for the worldwide water industry. Discolouration is a major cause of customer contacts, undermining consumer confidence. Despite significant investment in the UK in the last 15 years in replacing/lining cast iron pipes and improving water treatment processes, discolouration continues to be an issue. Evidence is presented suggesting that trunk mains, which have largely been ignored in terms of rehabilitation and maintenance strategies for controlling discolouration, play an important role in discolouration. Three main datasets are presented to evidence this: discolouration-related customer contact data, analysed utilising a novel cluster procedure; results from distribution network flushing studies pre- and post-cleaning of the supplying trunk main; and associated long-term trunk main turbidity and flow data. It is shown that a significant proportion of discolouration events affect multiple areas simultaneously, that ...