| NO. | Number | Title | Year | Certificate |
|---|---|---|---|---|
| 12 | 215 | Reduction of membrane fouling through removal of manganese in membrane backwash water | 2017 |  |
| 11 | 776 | Tapered slip foam for concrete tower, pylon and bridge structure using a new type of slip foam system | 2015 |  |
| 10 | 441 | Bio-gasification of organic waste using the horizontal anaerobic digestion tank combined with the vertical agitation device and the biological desulfurization facility | 2014 |  |
| 9 | 138 | Drinking Water treatment technology using streaming current controlled membrane filtration process | 2011 |  |
| 8 | 125 | Advanced sewage treatment using the change of operating condition of react multi-stage membrane module; aerobic membrane separation sludge-reduced technology | 2009 |  |
| 7 | 113 | Advanced sewage treatment technology using completely mixed/plug flow type SBR | 2007 |  |
| 6 | 227 | Advanced sewage treatment technology using completely mixed/plug flow type SBR | 2007 |  |
| 5 | 110 | Advanced sewage treatment using Neofil® submerged flat sheet membrane aluminum electro-coagulation (K-MBR process) | 2005 |  |
| 4 | 349 | Water-proofing Method on Using Cement Elastic Waterproof Materials with Increased Adhesiveness of Waste Tire Waste Glass Powder through Cross-linking of Water-bne Polymer Coupling Agent | 2002 |  |
| 3 | 8 | Advanced sewage treatment by intermittently decanted extended aeration (KIDEA process) | 2001 |  |
12
