Keywords
Citation
(2005), "DTI Faraday Mini-Waste Members secure additional funding to develop new advanced oxidation technology", Circuit World, Vol. 31 No. 3. https://doi.org/10.1108/cw.2005.21731cab.013
Publisher
:Emerald Group Publishing Limited
Copyright © 2005, Emerald Group Publishing Limited
DTI Faraday Mini-Waste Members secure additional funding to develop new advanced oxidation technology
DTI Faraday Mini-Waste Members secure additional funding to develop new advanced oxidation technology
Keywords: Waste minimization, Electronics industry
Within the scope of the DTI Faraday Mini-Waste Partnership, PW Circuits of Leicester have recently been awarded funding under the Government Technology (formerly SMART) scheme to enable them to develop advanced oxidation technology with Rohm & Haas Electronic Materials' Environmental Technologies Group. Both PW Circuits and Rohm & Haas are Faraday Mini-Waste members and the R&D project is intended to have ultimate impact upon the reduction of waste destined for off-site disposal and landfill.
>This work follows on from the recently completed and highly successful European Commission funded ROCWAT project, which was concerned with the development of technology using ultra-violet light and ozone in combination to generate hydroxyl radicals capable of destroying organic contaminants. Rohm and Haas Electronic Materials and PW Circuits were both partners in the original ROCWAT project and have an established history of working together on advanced oxidation technology.
Rohm and Haas Electronic Materials is working with PW Circuits in Leicester to develop an advanced oxidation approach specifically tailored to treat spent chemistry containing high chemical oxygen demand (COD) levels. In the case of PCB manufacturing, this is typified by photochemistry effluent which contains organic residues from the photo-imageable materials such as dry film resists. The overall objective of the IATOSC project is the removal of high COD levels from such spent chemistries commonly produced by the printed circuit board manufacturing sector. This organic rich effluent is currently subject to off- site disposal and/or landfill and the project will enable a more sustainable approach to be realised.
The spent chemicals to be treated will have COD levels in the order of 30-40 g/l and the oxidative treatment system will treat up to 1,000 l week of spent chemistry. PW Circuits wishes to investigate advanced oxidative treatment in the development of an integrated system for the treatment of waste so that it can subsequently be discharged after pH correction. PW Circuits currently consigns its spent photochemistry to off-site disposal and there is an increasing concern that costs will rise dramatically as the number of hazardous landfill sites decreases due to recent changes in legislation.
For further information, contact: E-mail: mgoosey@rohmhaas.com