Analysis on energy consumption of freezing concentration in wastewater treatment

WEN Ling; ZHANG Xu; ZHOU Xiang

doi:10.3969/j.issn.0438-1157.2012.z2.037

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Analysis on energy consumption of freezing concentration in wastewater treatment

更新时间：2025-12-10

- Analysis on energy consumption of freezing concentration in wastewater treatment
- CIESC Journal Issue S2, Pages: 199-203(2012)
- 作者机构：
  
  同济大学暖通空调及燃气研究所,上海,200092
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.z2.037
  CLC： 788
- Online First：28 December 2012，
  
  Published：28 December 2012
- 稿件说明：
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WEN Ling, ZHANG Xu, ZHOU Xiang. Analysis on energy consumption of freezing concentration in wastewater treatment[J]. CIESC Journal, 2012, (S2): 199-203.
DOI：

WEN Ling, ZHANG Xu, ZHOU Xiang. Analysis on energy consumption of freezing concentration in wastewater treatment[J]. CIESC Journal, 2012, (S2): 199-203. DOI： 10.3969/j.issn.0438-1157.2012.z2.037.

摘要

冷冻浓缩作为一种环保和节能的污水处理方式

一方面可缓解缺水地区对水资源的需求

另一方面能耗低可节省大量能量。冷冻浓缩污水处理法是一种兼具节能和环保的污水处理方式。应用冷冻浓缩方法与真空蒸发污水处理方法

研究污水处理过程的运行能耗情况

通过理论计算冷冻浓缩法和真空蒸发法在污水处理过程中的能耗并分析其节能潜力。在本文的设计条件下

理论计算结果表明仅考虑污水处理能耗时

冷冻浓缩法比蒸发法节能30.35%;当采取预冷后

冷冻浓缩法比蒸发法节能45.7%;当结合预冷和冰蓄冷后

冷冻浓缩法处理污水比蒸发法节能62.5%。

Abstract

As an energy saving and environment protecting wastewater treatment method

freezing concentration is a new way not only to solve the problems of water pollution but save energy and ease the water demand in water scarce areas.Compared with evaporating wastewater treatment

freezing concentration has a huge energy-saving potential.Through theoretical analysis and calculation under the design conditions

it is obvious that the freezing concentration method use 30.35% less energy than evaporating in wastewater treatment.It consumes about 45.7% less energy while using pre-cooling method in freezing concentration.Moreover

it consumes about 62.5% less energy while combining freezing concentration with pre-cooling method and ice thermal storage technology.

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