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Quality and Membrane Treatability of the Lake Houston Water Supply. Final Report

机译：休斯顿湖供水水质的质量和膜处理。总结报告

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Currently, sections of Harris and Montgomery counties located North and Northeast of Houston use groundwater almost exclusively. These areas have witnessed substantial population growth and associated increases in water demand. In 1999 approximately 60% of potable water in Houston and its adjoining communities was produced from surface water. The remaining approximately 40% was derived from groundwater. However, the Subsidence District which is the authority responsible for granting groundwater permits has mandated that groundwater use needs to be decreased to 20% within the next few years so as to limit subsidence. Scale-up techniques for membrane systems employed for water treatment in terms of fouling or water quality has not yet been identified necessitating long pilot-studies in support of design. One of the primary objectives of this work is to investigate fundamental approaches in determining scale-up procedures for permeate water quality obtained from nanofiltration membranes. This report summarizes results from several crossflow nanofiltration experiments that appear to demonstrate diffusion-limited rejection of model organics, natural organic matter, as well as trihalomethane, and haloacetic acid precursors.

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