Pillar Point Valley Landfill, Hong Kong — OTAR® Ammonia Recovery Reference
| Location | Hong Kong |
| Client | SITA Waste Services |
| Technology | Variant 1 — Waste Heat with Thermal Destruction |
Project Summary
Originally deployed in 2006 as a combined gas and wastewater treatment plant, Organics Group refurbished this site’s thermally driven ammonia stripper in 2016, restoring consistent, long-term treatment performance for its leachate stream.
Technical specifications
| Leachate flow | 2,600 m3/day |
| Influent ammonia | 1,250 mg/L NH4-N |
| Effluent ammonia | 75 100 mg/L |
| Track record | Thermally driven stripper, refurbished 2016; originally deployed 2006 |
Notable:
Demonstrates OTAR®’s refurbishment and lifecycle-extension capability, not just new-build installations.
Want to know how OTAR® works?
See the full technology explainer, five-variant breakdown, and cost comparison on the OTAR® technology page.

