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Title: Cooling water use in thermoelectric power generation and its associated challenges for addressing water-energy nexus

Journal Article · · Water-Energy Nexus
ORCiD logo [1];  [2];  [3];  [4];  [1]
  1. National Taiwan Univ., Taipei (Taiwan)
  2. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  3. Northwestern Univ., Evanston, IL (United States)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)

Thermoelectric power plants traditionally have required huge volumes of water to condense steam from the turbine exhaust. The complex interdependency between water and energy poses new challenges for policy makers to achieve a safe, secure and sustainable supply of energy and water in the future. Cooling systems are the most water-intensive part of the thermoelectric generation process, presenting significant opportunities to reduce the withdrawal and consumptive use of fresh water. Reuse of impaired water for cooling system can reduce freshwater withdrawal and decrease water contamination and withdrawal-related impacts on aquatic life and the environment. Here we focus on challenges and opportunities for improving water efficiency in the cooling systems of thermoelectric power plants. First, we present the types of cooling systems in a thermoelectric power plant. Then, we illustrate the key chemistry criteria of feed water quality for cooling systems. Furthermore, we use this information to determine an appropriate design and operation of cooling systems. In order to facilitate the use of impaired water in cooling systems, we suggest the key technical issues and available water technologies for brackish water desalination.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE)
Grant/Contract Number:
AC07-05ID14517; 104-2911-I-002-576; MOST 107-3113-E-007-002; MOST; AC02-06CH11357
OSTI ID:
1437864
Alternate ID(s):
OSTI ID: 1476070
Report Number(s):
INL/JOU-18-44297-Rev000
Journal Information:
Water-Energy Nexus, Vol. 1, Issue 1; ISSN 2588-9125
Publisher:
KeAi Communications Co., Ltd.Copyright Statement
Country of Publication:
United States
Language:
English

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