Cyanide free alkaline electrolyte and electrochemical process for rust removal from plain carbon steel components

1.

Title of Product/Design/Equipment.

Cyanide free alkaline electrolyte and electrochemical process for rust removal from plain carbon steel components

2.

IPR Status

Patent/Abroad IPR Details

3.

Application/Uses

(i) Cleaning of rust and scale from plain carbon steel components during manufacturing and (ii) Surface cleaning of very small and large plain carbon steel components without affecting the surface quality.

4.

Salient Technical Feature including Competing Feature

Very fast electrochemical rust removal process (1-2 min)

Alkaline cleaning process – No hydrogen embrittlement and cleaned surface is passivated to prevent immediate rusting

Electrolyte is free from toxic elements like cyanides

Operated at room temperature

Very small components (screws) and big components can be cleaned

5.

Level/Scale of Development

Pilot Scale

6.

Environmental Consideration

No toxic effluents (solid, liquid or gas)

7.

Status of Commercialization

8.

Major Raw Material to be Utilized

Industrial grade chemicals

9.

Major Raw Plant Equipment and Machinery Required

DC Power source

10.

Techno-Economics

11.

Technology Package

a) Process-Know-how, (b) Details of equipment & (c) Quality Assurance Methods. Assistance in setting up the plant on separate terms