Production of high-quality water by reverse osmosis of milk dairy condensates

被引：21

作者：

Suarez, Adrian ^{[1
]}

Riera, Francisco A. ^{[1
]}

机构：

[1] Univ Oviedo, Dept Chem Engn & Environm Technol, E-33006 Oviedo, Spain

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 21卷

关键词：

Water reuse; Boiler water; Flash cooler condensates; Dairy industry; Reverse osmosis; Cost estimation; INDUSTRY WASTE-WATER; FEED WATER; MEMBRANE; REUSE; NANOFILTRATION; PERFORMANCE; EFFLUENT; MODEL; NF;

D O I：

10.1016/j.jiec.2014.06.004

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Low-pollution flash cooler (FC) condensates from the direct heat treatment of milk and milk-based products were treated by means of reverse osmosis (RO) in order to obtain high-quality water for use in boilers. The behaviour of the spiral-wound membranes at the pilot-plant scale (8.2 m(2) surface area) was tested in terms of the permeate flow rate (J) and quality (conductivity and chemical oxygen demand (COD)) as a function of the operation conditions, including the pressure, temperature and volume concentration rate (VCR). Response surfaces were drawn with the aim of obtaining information regarding the permeate flow rate as well as conductivity and COD reduction in the range of the studied parameters. Based on the experimental data, a plant with a 90% recovery rate (RR) was proposed with the objective of carrying out a preliminary economic assessment, which yielded a payback of 1.16 years. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：1340 / 1349

页数：10

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