Cyclic osmotic pressure power generation system and method, working medium and phase control method thereof

A technology of working medium and power generation system, applied in chemical instruments and methods, engine working fluid, hydroelectric power generation, etc., can solve problems such as difficulty in obtaining osmotic pressure, and achieve low-cost effects
CN104879264BActive Publication Date: 2017-09-12KK TOSHIBA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
KK TOSHIBA
Publication Date
2017-09-12

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Abstract

An embodiment provides a working medium to be used in a circular osmotic pressure electric power generation system. The working medium comprises water and an inducing-liquid. The working medium, under conditions of a temperature of 5° C. to 35° C. and a pressure of 1 atmosphere, is in (1) a state of a liquid-liquid mutually dissolved two-component mixed solution when a concentration of the water or the inducing-liquid in the total amount of the water and the inducing-liquid is 10% by weight or lower, and (2) a state of being separated into the water phase and the inducing-liquid phase when the concentration of the water or the inducing-liquid in the total amount of the water and the inducing-liquid is higher than 10% by weight.
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Description

[0001] This application claims priority based on Japanese Patent Application No. 2014-038626 filed on February 28, 2014, the entire contents of which are incorporated herein by reference. technical field

[0002] Embodiments of the present invention relate to a working medium for circulation-type osmotic pressure power generation, a circulation-type osmotic pressure power generation system and method, and a phase control method of the working medium. Background technique

[0003] When a osmotic membrane is used to isolate a low-concentration solution from a high-concentration solution, the solvent of the low-concentration solution will move to the high-concentration solution side through the osmotic membrane. There is known an osmotic pressure power generation device that rotates a turbine to generate power by utilizing this phenomenon of solvent migration.

[0004] As the osmotic pressure power generation device, there is a circulation type osmotic pressure power generation...

Claims

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