Validation lineage
Since 2017, institutions have done the measuring
Not our claims — results measured by public research institutes and universities, accumulated in order. Original documents are sent on request under your institution's name.
Timeline
| Date | Institution | Scope | Result |
|---|---|---|---|
| 2017.02 | Seoul Water Institute | Wangsuk Stream raw water, 5 t nanobubble vs 5 t control, 11 days | Water quality improved 90% |
| 2017.09 | In-house batch test | Bottled water + algae vs bubbled water + algae, 20 L × 2 days | Ammonia-N and algae reduced |
| 2020.10 | K-water Daecheong Dam Office · Chungbuk Nat'l Univ. | 3-point comparison in the Jiori basin · SEM observation · technology transfer | Algal ghost cells · inter-cell organics broken down |
| 2020.10–11 | Jeju FishCare Lab · Gaetmaeul Fisheries Coop | Vibrio disinfection, lab + farm tanks | 8.4×10⁵ → 8 cfu/mL (nanobubble) · 0 (nanobubble+UV) |
| 2021 | K-water Daecheong Dam Office | 120-day algal response record at Busodamak | Chl-a −97% · BOD −90% · DO 1.2 → 9.4 mg/L |
| 2021–23 | Ministry of Oceans and Fisheries | Flow-through seawater aquaculture water-treatment project | Selected and completed |
| 2023.11 | Incheon Inst. of Health & Environment | Songdo Central Park canal assessment | Only WQI Grade I · seaweed −90% |
| 2024 | KRC Rural Research Institute | Advanced-oxidation unit validation (300 t/day) · constructed-wetland TOC polishing | 2 h: TOC 20.4% · COD 29.4% · T-N 29.3% removed · DO +43.8% |
| 2024 | KRC Ganghwa–Ongjin Branch | Patented-technology use agreement, Gogu & Nanjeong agricultural water | Gogu delivered · Nanjeong in progress |
| 2025 | Geobukseon Park, Yeosu | Lake, measured 3 months after installation | Chl-a 938.8 → 33.2 mg/m³ (−96%) |
| 2026.06–09 | Incheon Facilities Corp. · Cheongna Park Office | Technology agreement (03.17) · 4-point pre/post analysis | Effect analysis report · available on request |
Advanced-oxidation treatment effect (KRC Rural Research Institute)
| Condition | TOC | COD | T-N | T-P | SS | DO increase |
|---|---|---|---|---|---|---|
| 0.5h_C | 9.1 | 8.7 | 12.6 | 11.2 | 33.3 | 36.3 |
| 2h_C | 18.4 | 23.5 | 19.0 | 4.0 | −22.2 | 34.6 |
| 1h_B | 20.4 | 23.5 | 19.6 | 2.5 | −11.1 | 37.7 |
| 2h_B (optimum) | 20.4 | 29.4 | 29.3 | 4.9 | 0.0 | 43.8 |
| 4h_B | 28.6 | 29.4 | 10.6 | 6.4 | −11.1 | 35.7 |
Unit %. Source: KRC Rural Research Institute joint validation · HWANGSAN company & technology profile (2024.07)
Original documents available on request
- Cheongna Lake Park pre/post water-quality effect analysis report (2026)
- K-water Daecheong Lake 120-day algal response record (2021)
- KRC Rural Research Institute advanced-oxidation treatment analysis (2024)
- Chungbuk Nat'l Univ. SEM observation data · patent certificates, 7 countries
- Equipment spec sheets · PPS Innovative Product designation
The full company profile is provided once a specific project is identified.
Request under your institution's name and we send the originals.
Please state institution, department and target water body.