Arcelormittal

Verdicio Solutions A.i.e.

David Noriega Perez

Thi Tan Vu

Roberto Suarez Sanchez

Marcos Perez Rodriguez

Oscar Perez Vidal

Maria Cabanas Corrales

Cristina Blanco Roldan

Abel Alvarez-Alvarez

Sivasambu Bohm

Alvaro Manjon Fernandez

Jose Paulino Fernandez Alvarez

Carlos Javier Rodriguez Martinez

Carlos Laliena Iranzo

José Paulino Fernandez Alvarez

Juan Jose Arribas

Jorge Rodriguez Garcia

Ana Arenas Vivo

Marcos PÉREZ RODRÍGUEZ

Juan José Arribas

Carlota Dominguez Fernandez

Laura Megido Fernandez

Abel Alvarez-alvarez

A method for the manufacture of reduced graphene oxide from kish graphite including: A. The provision of kish graphite, B. Optionally, a pre-treatment of kish graphite, C. The intercalation of kish graphite with a persulfate salt and an acid at room temperature to obtain intercalated kish graphite, D. The expansion of the intercalated kish graphite to obtain expanded kish graphite and E. An oxidation step of the expanded kish graphite to obtain graphene oxide and F. A reduction of graphene oxide into reduced graphene oxide.

Method for the manufacture of reduced graphene oxide from expanded Kish graphite

A metallic substrate directly coated with a non-conductive primer, the non-conductive primer being at least partially coated with a paint, a method for the manufacture of this coated metallic substrate, a method for detecting strain deformation and the use the coated metallic substrate.

Coated metallic substrate

A method for the manufacture of microwave-reduced graphene oxide (MW-rGO) including: the provision of graphene oxide (GO), the reduction of GO into reduced graphene oxide (rGO) using a reducing agent and the reduction of rGO into MW-rGO by microwaving under air atmosphere in presence of a catalyst.

Method for the manufacture of microwave-reduced graphene oxide

A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step A) of heat transfer between the item and a heat transfer fluid A' including a fluid medium and nanoparticles. The heat transfer fluid has a heat transfer coefficient above the heat transfer coefficient of water. The method also includes at least one step B) of heat transfer between the item and a heat transfer fluid B&#x2032; including a fluid medium and nanoparticles. The heat transfer fluid B&#x2032; has a heat transfer coefficient different from the heat transfer coefficient of A&#x2032; and above the heat transfer coefficient of water. The heat transfer fluids A&#x2032; and B&#x2032; are different.

Method of a heat transfer of a non-metallic or metallic item

A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step of heat transfer between the item and a heat transfer fluid A'. The heat transfer fluid A&#x2032; includes a fluid medium and nanoparticles having a lateral size between 26 and 50 &#x3bc;m. The heat transfer fluid has a heat transfer coefficient below the heat transfer coefficient of water.

A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid is provided. The method includes a fluid medium and nanoparticles. A thickness/lateral size ratio of the nanoparticles is below 0.00044. The nanoparticles do not include carbon nanotubes.

Method of heat transfer between a metallic or non-metallic item and a heat transfer fluid

A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid including a fluid medium, hydrophobic nanoparticles having a lateral size between 26 and 50 &#x3bc;m and a dispersing agent is provided. The nanoparticles concentration/dispersing agent concentration ratio in weight is between 3 and 18 and the nanoparticles do not include carbon nanotubes. A heat transfer fluid is also provided.

Growing community of inventors

Oviedo Asturias, Spain

David Noriega Perez