Working fluid for a steam cycle process

US9944882B2 · kind B2 · utility

Assignee

• Fuchs Petrolub SE · DE

Inventors

• Jürgen Braun · Waiblingen, DE
• Dennis Ebert · Oftersheim, DE

Key dates

• Filing date: Sep 17, 2014
• Grant date: Apr 17, 2018
• Expiry date: Sep 17, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2050/01
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a working fluid for a steam-turbine cycle process, said fluid comprising a working medium, a lubricant and preferably an emulsifier. The working medium is a C1 to C4 alcohol and/or a C3 to C5 ketone, optionally mixed with water. The invention also relates to a device for a steam cycle process, which device contains the working fluid, and to the use of the working fluid in an organic Rankine cycle. The lubricant is a hydrocarbon and the emulsifier is a surface-active substance.