1992-12 | Recovery of acids and valuable metals from stainless-steel pickling acids. | 오종기; 김성규; 이화영; 이동휘 |
1993-06 | Recovery of gallium and indium from zinc residues by acid leaching. | 오종기; 김성규; 이화영 |
2000-06 | Recovery of gallium from zinc residues by solvent extraction | 김성규; 이화영; 오종기 |
2000-06 | Recovery of gallium from zinc smelting residues by alkali leaching | 김성규; 이화영; 오종기 |
1999-06 | Recovery of nickel from low-grade laterite by electrochemical leaching. | 김성규; 이화영; 오종기 |
1998-03 | Recovery of nickel from waste pickling solution with column extractor | 김성규; 이화영; 오종기 |
1993-12 | Recovery of nitric and hydrofluoric acids from waste pickling solutions with column extractor. | 오종기; 김성규; 이화영 |
1994-08 | Recovery of zirconium by column extractor. | 오종기; 김성규; 이화영 |
2002-06 | Removal of ammonia from aqueous solutions with zeolite and bentonite | 이화영; 오종기; 김성규; 고현백 |
1997-12 | Removal of arsenic from closed mine tailings by alkali-leaching method | 오종기; 이재령; 김성규; 이화영; 박재구 |
1998-10 | Removal of ferric ion from oxalic acid solution by solvent extraction | 김성규; 이화영; 오종기 |
1998-08 | Removal of iron from domestic low-grade halloysite by bacterial leaching | 김성규; 박두현; 이화영; 오종기 |
1999-01 | Removal of iron from domestic low-grade halloysite with dithionite | 김성규; 이화영; 오종기 |
1992-06 | S study on the preparation of Cu-graphite composite powders. | 오종기; 김택훈; 이화영 |
1993-10 | Separation of hafnium from zirconium by solvent extraction. | 오종기; 김성규; 이화영; 이혜리 |
1998-04 | Separation of nickel and copper from ammoniacal ammonium solution by solvent extraction | 김성규; 이화영; 오종기 |
1999-04 | Separation of yttrium element with aliquat 336 and simulation | 김성규; 이화영; 오종기 |
2004-02 | Solvent Extraction Characteristic and Stoichiometric Relation of Cobalt with D2EHPA | 김성규; 이화영 |
1986-06 | Solvent extraction of nickel from ammoniacal ammonium or weak acidic solutions by LIX64N, LIX65N, D2EHPA and versatic acid-10. | 오종기; 이화영; 이동휘 |
1995-06 | Solvent extraction of yttrium and rare earths with versatic acid-10. | 오종기; 김성규; 이화영; 이동휘 |
1997-10 | Stoichiometric relation for the extraction of ferrous ion with D2EHPA | 오종기; 김성규; 이화영 |
2001-04 | Stoichiometric relation for the extraction of zirconium and hafnium with versatic acid-10 | 김성규; 이화영; 오종기 |
1996-01 | Stoichiometry of solvent extraction of gallium with D2EHPA and versatic acid-10. | 오종기; 이화영; 김성규 |
1994-12 | Synthesis of fibrous calcium silicates by hydrothermal reaction. | 오종기; 김성규; 이화영 |
1993-01 | Synthesis of kaolinite and transformation of halloysite by hydrothermal reaction. | 오종기; 김성규; 이화영 |
1993-01 | t-butyl alcohol synthesis in a polyphenylene oxide membrane reactor | 송인규; 이화영; 김재진 |
1996-03 | Technology for removal of iron impurities from clay resources | 오종기; 김성규; 이화영 |
2011-03 | Tensile Properties and Morphology of Carbon Fibers Stabilized by Plasma Treatment | 이승욱; 이화영; 장성연; 조성무; 이헌수; 이성호 |
1997-12 | The properties of Fe(III) removal from domestic halloysite by metal-reducing bacterium, Shewanella putrefaciens 1R-1 | 박두현; 김병홍; 김성규; 이화영; 오종기 |
2005-04 | Treatment of ASR from End-of-Life vehicles by air and gravimetric separation | 이화영; 오종기 |