Environmentally Safer Zinc-Cadmium Alloy Dry Plating as a Substitute for Cadmium Electroplating

EPA Contract Number: 68D10039
Title: Environmentally Safer Zinc-Cadmium Alloy Dry Plating as a Substitute for Cadmium Electroplating
Investigators: Sunthankar, Mandar
Small Business: IonEdge Corporation
EPA Contact: Richards, April
Phase: I
Project Period: September 1, 1991 through March 1, 1992
Project Amount: $46,918
RFA: Small Business Innovation Research (SBIR) - Phase I (1991) RFA Text |  Recipients Lists
Research Category: SBIR - Pollution Prevention , Pollution Prevention/Sustainable Development , Small Business Innovation Research (SBIR)


Cadmium electroplating in cyanide baths is of significant environmental concern. As a consequence, a unique dry plating concept has been developed. Unlike conventon electroplating, this method would use no liquid chemicals. The dry plating concept utilizes a novel vapor deposition technique for cadmium or zinc. To minimize occupational hazards of toxic cadmium, and to accomplish in situ cad- mium management, a reclaim method was also developed. The use of cadmium in dry plating could be further reduced by substituting a zinc-cadmium alloy for cadmium. The aims of the proposed research in the Phase I are (1) to demonstrate the feasibility of depositing zinc-cadmium alloy of the desired composition using the dry plating technique and (2) to measure the level of cadmium dust release in the environment, if any. If this research indicates acceptable results according to the current standards, fur ther development of the technique would lead to a method which could potentially minimize environmental and occu- pational hazards of cadmium electroplating.

Supplemental Keywords:

RFA, Scientific Discipline, Air, Toxics, Sustainable Industry/Business, cleaner production/pollution prevention, Sustainable Environment, Chemistry, HAPS, Technology for Sustainable Environment, New/Innovative technologies, Engineering, Engineering, Chemistry, & Physics, waste reduction, dry plating, electroplating, dry plating , electroless plating, pollution prevention, Cadmium Compounds

Progress and Final Reports:

  • Final
  • SBIR Phase II:

    Zero-Waste Dry Plating Commercialization