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Title: Cost estimates for membrane filtration and conventional treatment

Costs of several ultrafiltration and nanofiltration processes are compared with the cost of conventional liquid-solid separation with and without GAC adsorption for small water treatment facilities. Data on raw-water quality, permeate flux, recovery, frequency of backflushing, and chemical dosage obtained from a pilot study were used with a previously developed model for membrane costs to calculate anticipated capital and operating costs for each instance. Data from the US Environmental Protection Agency were used to estimate conventional treatment costs. All of the membrane process calculations showed comparable or lower total costs per unit volume treated compared with conventional treatment for small facilities (< 200,000 m[sup 3]/d or about 5 mgd). Membrane processes may offer small facilities a less expensive alternative for the removal of particles and organic materials from drinking water.
Authors:
; ;  [1] ;  [2] ;  [3]
  1. (Rice Univ., Houston, TX (United States))
  2. (Montgomery Watson Engineers, Herndon, VA (United States))
  3. (International Research Center for Water and the Environment, Le Pecq (France). Lyonnaise des Eaux)
Publication Date:
OSTI Identifier:
6724416
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of the American Water Works Association; (United States); Journal Volume: 86:12
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; DRINKING WATER; DECONTAMINATION; MEMBRANES; TECHNOLOGY ASSESSMENT; ORGANIC COMPOUNDS; REMOVAL; PARTICULATES; ECONOMICS; WATER QUALITY; WATER TREATMENT PLANTS; CLEANING; ENVIRONMENTAL QUALITY; HYDROGEN COMPOUNDS; OXYGEN COMPOUNDS; PARTICLES; WATER 540220* -- Environment, Terrestrial-- Chemicals Monitoring & Transport-- (1990-)