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Forum on non-ferrous metal smelting technologies ---- Zinc 1. Cadmium removal in zinc sulfate production 2. Oxygen pressure leaching technology for zinc 3. Are there anyone who works with copper-cadmium slag or waste from zinc smelting industries? 4. Are there any people using rotary kilns for zinc oxide production? Please let me know. 5. Zinc market: Uncertain in 2009 6. Question: How to remove zinc ions from a pure sulfuric acid solution? 7 Costs associated with zinc solution extraction; 8 How to reduce the antimony content in the supernatant in the standard wet process for zinc production; 9 Pressurized leaching of zinc concentrate; 10 How to treat ammonia-based leachates of zinc oxide; 11 Hot-dip galvanizing alloys; 12 Which companies in China use substandard zinc oxide as raw material for the production of electrolytic zinc? 13. The lead-zinc production process at Yu Guang over the past 30 years. 14. Does anyone know anything about zinc powder technology for mercury-free and lead-free batteries? 15. The development of hot-dip galvanizing steel plate production and galvanizing technology in China. 16. Which type is best for zinc electrolysis cells? 17 In the smelting of lead and zinc, are there any processes that require online monitoring of moisture content? 18 How to deal with high cobalt levels in new electrolytic zinc solutions? 19 Zinc leaching rate 20 Oxygen-enriched leaching of zinc concentrate 21 Fluoride and chloride removal processes for zinc oxide 22 Issues in the recovery process using rotary kilns for zinc leaching residues 23 Design practices for zinc smelting plants using jarosite method 24 Report on zinc sulfate production technology and market trends 25 Let’s discuss the current status and future of China’s zinc salt industry 26 How to determine zinc content in ores 27 Questions and answers on the production and application of lithopone–zinc sulfate 28 Special topics on zinc oxygen pressure leaching 29 Construction standards for lead-zinc smelting plants 30 How should wet-process zinc smelting enterprises implement the requirements of clause 8.3 of GB/t19001:2000 regarding defective product control? 31 Is there any potential in using ammonia leaching for the recovery of zinc and copper? 32 Illustrations of various types of zinc ores. 33 A special topic on oxygen pressure leaching of zinc. 34 Comprehensive recovery of lead and zinc from lead-zinc containing dust. 35 Who attended the 2008 China International Lead-Zinc Conference? 36 The technical and economic parameters of zinc powder produced by electric furnaces in my factory. 37 Clumping of zinc sulfate. 38 Dust collection issues in zinc smelting and casting. 39 Can anyone provide a PDF version of Peng Rongqiu’s book “Zinc Metallurgy” in high quality? 40 Cleaning of zinc electrolysis cathodes. 41 Combining lead sintering with the treatment of zinc leaching residues. 42 Can polymer-based screws be used for transporting zinc powder produced by electric furnaces? 43 What is the density of zinc powder produced by electric furnaces? 44**Notice from the Development and Reform Commission on Strengthening Access Control in the Lead-Zinc Smelting Industry** 45Purification of chloride ions in electrolytic zinc 46Production of active zinc oxide using the ammonium carbonate method 47Process flow for treating lead-zinc ore using the ISP process (posting on behalf of someone else) 48Instruments required for testing zinc oxide 49Electrolysis using large plates in zinc smelting 50Discussion on the prospects of zinc sulfate 51Overview of the current development status of zinc smelting technologies 52Pressurized leaching of zinc concentrate 53Current prices of zinc oxide 54Overview of the current development status of zinc smelting technologies 55Process diagrams for zinc bubbling roasting 56Does anyone have any information related to zinc oxide? 57 Development of lead-zinc mines 58 How to remove zinc from nickel sulfate solutions 59 Issues related to the welding of copper conductive terminals in zinc electrolysis busbars 60 Practical manual on the technological processes and quality inspection standards for lead-zinc smelting 61 New technology for zinc smelting using oxygen pressure leaching 62 Reasons for low zinc prices this year 63 Discussions on fully wet-process metallurgy techniques for zinc 64 Handbook on extraction and metallurgy of non-ferrous metals: zinc, cadmium, lead, bismuth 65 The color of the electrolyte in zinc wet-process metallurgy and the reasons for this color 66 Zinc oxide production process 67 Issues regarding the material used for kiln bricks in lead-zinc metallurgy rotary kilns 68 Practical metallurgy of zinc and indium 69 Reference materials for the design of copper, lead, and zinc smelting plants 70 Over 400 articles on wet and pyrometallurgical methods – “Comprehensive Collection of Papers on Zinc Smelting” 71 Papers on zinc smelting 72 Successful holding of the lead-zinc industry conference 73 Zinc smelting technologies 74 How to remove zinc from nickel sulfate 75 Methods for purifying acidic solutions in electrowinning zinc 76 How to identify impurities in zinc sulfate? 7798 The production process of zinc powder. 78 May I ask if anyone has the book \"Metallurgical Analysis of Copper, Lead, and Zinc\"? Could it be provided? 79 Treatment of tailings from copper and zinc smelting. 80 Halogens, copper group, zinc group. 81 What are the standard models and specifications for galvanized iron wire? 82 Production costs of wet zinc smelting and zinc sulfate 83 Current development trends and considerations in China’s zinc industry 84 Information on zinc electric furnace metallurgy 85 Guys and girls, does anyone have any materials on zinc metallurgy? ! ! 86 Operating procedures for zinc boiling roasting furnaces 87 Let’s discuss the development prospects of China’s recycled lead and zinc industry 88 Review of the lead, antimony, tin, zinc, gold, and silver markets in 2007 and outlook for 2008 89 Is there anyone who can provide some information on the roasting of zinc concentrate? 90 Kneeling in worship – The technology for producing metallic zinc through reduction methods. 91 Review of the zinc market in 2007 and prospects for 2008. 92 The current status of lead-zinc smelting in China and the direction of technological development. 93 Flowchart of the zinc chloride production process. 94 Request for book: “Zinc Metallurgy”, compiled by the Teaching and Research Section for Non-ferrous Heavy Metal Smelting at Northeastern University of Technology and others