2011 - Technical auditing and integrated consultancy for the Customer (LLC Rodonit)
Purpose of the consultation services:
- improvement of the recycling technology of gold and silver containing materials at the LLC Rodonit.
List of recommendations (flow charts and instructions are developed):
- sample preparation and testing of jewellery industry loose residues;
- recycling of jewellery industry loose residues;
- testing operation of jewellery alloys by granule screening technique;
- operation to obtain refined metal (gold) granules of a regular form;
- process to obtain high-purity gold;
- process to obtain high-purity silver by electrolysis;
- techniques and procedures for recycling recoverable gold-containing materials.
Results of the implementation:
- process for obtaining high-purity gold is tried and tested. Direct yield to the end product is over 99%;
- process is launched to obtain high-purity silver by electrolysis;
- process is launched to obtain granules of regular form;
- new techniques were introduced to recycle recoverable gold-containing materials.