CASE STUDY Foundry: Pure Gold Recycler Objectives: • Constant crucible life • Increase of crucible life • No contamination of the Gold during first melt with new crucible Alloy: 99,99 % Au Crucible size: DURATEK PM Cylinder with spout Crucible capacity: 400 kg Gold Application: Induction melting of fine-gold returns Benefits: • Very high erosion resistance • Very high strength • Very good homogeneity Problems: • Contamination of first melt with new crucible • Inconstant crucible life of +/- 20 melts • Therefore unexpected crucible exchange disturbing production Improvements: • DURATEK PM does not show any contamination of Gold from the beginning • 50 % longer crucible life constantly achieved • Crucible exchange can be better planned now CRUCIBLES - NON-FERROUS 3.2.1 – DURATEK PM – Pure Gold Recycling COMMENT: Editorial policy is to highlight the latest Foseco products and technical developments. However, because of their newness, some developments may not be immediately available in your area. Your local sales organisation will be pleased to advise. No part of this publication may be reproduced, stored in a retrieval system of any nature or transmitted in any form or by any means, including photocopying and recording, without the written permission of the copyright holder. © Foseco International Ltd., 2015, *DURATEK is a trademark of the Vesuvius Group, registered in certain countries, used under licence. Crucible in use DURATEK PM Cylinder FOSECO PRODUCTS + DURATEK* PM crucible KEY BENEFITS + No contamination of Gold + Longer and constant life + No disturbances due to unexpected crucible exchanges ENVIRONMENTAL BENEFITS Longer average lifetime and elimination of contamination leads to: + Less consumption of crucibles and auxiliary products + No contaminated charge needed to be recycled (energy and material saving) + Bild