Journal
FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
Volume 11, Issue 2, Pages 154-165Publisher
SPRINGER
DOI: 10.1007/s11705-016-1593-z
Keywords
simultaneous integration; non-isothermalmixing; multi-target optimization; water and energy networks
Categories
Funding
- National Basic Research Development Program of China [2012CB720305]
- National Natural Science Foundation of China [21376162]
- Shandong Provincial Education Department of China [J15LC16]
- Qingdao Science and Technology Planning Project of China [15-9-2-113-nsh]
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A new conceptual methodology is proposed to simultaneously integrate water allocation and energy networks with non-isothermal mixing. This method employs a simultaneous model and includes two design steps. In the first step, the water allocation network (WAN), which could achieve the targets of saving water and energy, is obtained by taking account the temperature factor into the design procedure. The optimized targets of both freshwater and energy are reached at this step which ensures this approach is a simultaneous one. In the second step, based on the obtained WAN, the whole water allocation and heat exchange network (WAHEN) is combined with the non-isothermal mixing to reduce the number of heat exchangers. The thus obtained WAHEN can achieve three optimization targets (minimization of water, energy and the number of heat exchangers). Furthermore, the effectivity of our method has been demonstrated by solving two literature examples.
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