2002-06 | PC-88A의 비누화반응에 따른 Lanthanum과 Cerium의 분리특성에 관한 연구 | 김성규; 이화영; 오종기; 임명훈 |
2003-02 | PC-88A의 비누화反應에 따른 鍍金廢水 중 重金屬의 回收에 관한 硏究 | 김성규; 이화영; 오종기 |
1994-09 | Precipitated calcium carbonates | 오종기; 김성규; 이화영 |
1990-11 | Preparation of isotropic carbon with high density. | 오종기; 이선우; 박광원 |
1998-06 | Preparation of purified lead nitrate from lead sulfate generated from the lead-acid battery smelter as by-products | 이진영; 한춘; 신중극; 김성규; 오종기; 이화영 |
1994-04 | Process for recovery of gallium from zinc residues. | 오종기; 김성규; 이화영 |
1990-11 | Properties of domestic silica resources and techniques for high purification of quarts. | 오종기 |
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 |
1995-12 | Recycling technology for waste tires. | 오종기; 이동휘 |
1998-06 | Recycling technology of non-ferrous metals in Korea | 오종기 |
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 |
1999-11 | Removal of ferric ions from iron (III) oxalato complexes reacted with calcium hydroxide in solution | 이성오; 김명준; 오종기; 신방섭 |
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 |
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 |