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首页> 外文期刊>International journal of nuclear desalination >Cogenerative seawater reverse osmosis. Part 1: elements characteristics
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Cogenerative seawater reverse osmosis. Part 1: elements characteristics

机译：蓄热式海水反渗透。第1部分：元素特征

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This work is a part of an extensive study performed in the area of cogenerative seawater Reverse Osmosis (RO) design, appraisal and rehabilitation. It is concerned with large-scale contiguous seawater RO systems, focusing on the 8040-type membranes of high-flow and high-salt rejection ranging in area from 300 to 400 ft~2. Seventeen types of membranes are selected between large- and medium-sized spiral-wound membranes (FilmTec, Fluid Systems (Koch), Hydranautics, Osmonics, Toray, Trtsep and CSM). The equations describing the above-mentioned membrane permeability coefficients are deduced; using the manufacturer-associated software for each membrane. A study of the leading element of the array shows that there are constraints that must be considered. These constraints include maximum membrane flux, maximum applied feed pressure, maximum feed flow rale, and maximum feed temperature. In order to attain a maximum membrane flux, the applied feed pressure must be lowered as the feed temperature is increased. The results from the present study (for the different operating conditions), highlighted promising membranes that could be adapted for the cogenerative contiguous membranes RO process. It should be pointed out that other studies must be carried out for the RO system designed for the aforementioned membrane to confirm these findings.
机译：这项工作是在蓄热式海水反渗透（RO）设计，评估和修复领域进行的一项广泛研究的一部分。它涉及大规模的连续海水反渗透系统，重点是面积在300至400 ft〜2范围内的高流量和高盐截留率的8040型膜。在大中型螺旋缠绕膜中选择了十七种类型的膜（FilmTec，流体系统（Koch），Hydranautics，Osmonics，T​​oray，Trtsep和CSM）。推导描述上述膜渗透系数的方程；每个膜使用制造商相关软件。对数组前导元素的研究表明，必须考虑一些约束。这些限制条件包括最大膜通量，最大施加进料压力，最大进料流量规则和最高进料温度。为了获得最大的膜通量，必须随着进料温度的升高降低施加的进料压力。本研究的结果（针对不同的运行条件）突出显示了可用于热电连续膜反渗透工艺的有前途的膜。应当指出，必须对针对上述膜设计的反渗透系统进行其他研究，以证实这些发现。

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