Whitepapers & Research
In-depth technical research and analysis for facility managers and procurement teams.
NCCO vs Activated Carbon: A Technical Comparison for Facility Managers
A comprehensive technical comparison of NCCO technology versus traditional activated carbon air purification, covering lifespan, efficiency, maintenance costs, and pollutant removal capabilities.
WIPO GREEN Database: NCCO Technology Profile
Official WIPO GREEN technology database listing for NCCO (Nano-Confined Catalytic Oxidation) by RHT Environment Technology. Describes NCCO as a breakthrough air purification technology using nanoscale carriers and specialized catalysts to decompose formaldehyde, VOCs, bacteria, and odor molecules into harmless water and carbon dioxide through a closed-loop adsorption-catalysis-decomposition mechanism — without filter saturation or secondary pollution.
NCCO Effectiveness Against Marijuana Smoke Chemicals and Odour
Published in SN Applied Sciences (2021), this University of British Columbia study evaluates NCCO's effectiveness in eliminating marijuana smoke pollutants. Results show an average 93.4% reduction in THC, CBD, and Cannabinol concentrations after 30 minutes, statistically significant reductions in PM2.5, PM10, and TVOC, and a 55.6% reduction in perceived marijuana odor after 50 minutes — confirmed by 20 human volunteers in a single-blind study.
UBC Research Report: NCCO Technology Comparison Summary
A concise UBC research report comparing three air purification technologies — Ionizer (PCI), Ultraviolet Photocatalytic Oxidation (UV-PCO), and NCCO — in a sealed 1m³ chamber. Testing against ammonia, toluene, and hydrogen sulfide, NCCO demonstrated superior pollutant concentration reduction and odor elimination while keeping ozone levels constant, unlike the other technologies which increased ozone.
Evaluation of NCCO Technology for Air Purification and Odor Reduction
A University of British Columbia study comparing NCCO against plasmacluster ion (PCI) and UV-photocatalytic oxidation (UV-PCO) air purifiers. In double-blind tests with 20 volunteers assessing ammonia, toluene, and hydrogen sulfide odors, the NCCO-based b-MOLA unit significantly outperformed both competing technologies in odor reduction while maintaining safe ozone levels.
Confined Catalytic Oxidation of VOCs by Transition Metal Zeolites and Ionizer
Foundational research demonstrating that cobalt-exchanged zeolites (CoX) combined with an ionizer achieve significantly faster VOC removal than untreated zeolites alone. The study shows catalytic oxidation of acetone within zeolite nano-pores, with cobalt-containing zeolites producing the fastest pollutant depletion rates — establishing the scientific basis for NCCO technology.