목차
1. 텅스텐 소재의 현황 1
2. 텅스텐 소재 value-chain 2
3. 폐 텅스텐 소재 재활용 기술 2
4. 텅스텐 산업 생태계 구축을 위한 세라믹-금속-화학 융합기술 3
4.1. 텅스텐 광물 원료화 기술개발 4
5. 텅스텐 산업 생태계 구축의 효과 5
Table 1. Recycling technology of waste hard metal (KICET, 2015) 3
Fig. 1. Application industry of hard metal (Iljin Diamond Co., Ltd., 2015). 1
Fig. 2. Utilization of tungsten materials (Roskill, 2012). 1
Fig. 3. Total reserves and production of tungsten (USGS, 2013). 2
Fig. 4. Market price tendency and annual consumption of tungsten(ITIA, 2014). 2
Fig. 5. Material flows of tungsten (Mining Journal Special Publication,Tungsten, 2008). 2
Fig. 6. Manufacturing process of tungsten carbide (Wikipedia, 2015). 2
Fig. 7. Consumption of 1st and 2nd tungsten resources for manufacturingof tungsten carbide (Mitsubishi Materials CSR REport, 2011). 3
Fig. 8. Schematic diagram of recycling technologies of waste hard metal (zinc process, electro-chemical process, oxidation process and smelting process). 3
Fig. 9. Tungsten materialization of crude ore with fusion technology. 4
Fig. 10. Tungsten materialization process from 75% grade concentrate. 4
Fig. 11. 텅스텐 원료 소재화를 위한 융합기술. 4