Three decades of independent testing stand behind one core technology: Dynamic Multi-Venturi (DMV). Below is the actual data — from 1990 industrial emissions trials through a 2015 Idaho State University study — that shows what DMV-based systems remove from air, and how consistently they do it in worldwide potato storage as Humigation and as IsaVac in homes, medical facilities, and business offices alike.
One Technology, Three Applications
Dynamic Multi-Venturi (DMV) is a rotary wet-scrubbing technology that uses a liquid-atomizing impeller inside a specially shaped housing to create a dense aerosol of water droplets. That aerosol intercepts particulate matter, heavy metals, soluble gases, and microbes suspended in an air or gas stream far more efficiently — and at lower cost — than conventional scrubbing methods. The same core mechanism has been applied to three very different problems over the years:
- 1990 – Industrial emissions (Rhone-Poulenc): DMV pilot scrubber tested on kiln stack gases for particulate, sulfur dioxide, fluoride, and radionuclide removal.
- Mid-1990s – Hazardous waste incineration (Hydrop / T-Thermal): The same technology, branded Hydrop, tested on a live hazardous waste incinerator to meet EPA MACT particulate and heavy-metals standards.
- 2015 – Agricultural air purification (Humigation / Idaho State University): The Humigator, built on the same DMV principle by Isaacs Hydropermutation Technologies (founded by Garry Isaacs in 2010), tested by the ISU Microbiology Department for its ability to strip mold spores and bacteria from air in potato storage environments.
- Today – Indoor air for human health (IsaVac): The DMV mechanism, refined across all of the above, adapted specifically for filterless whole-home, medical, and business office air purification.
Every application below is powered by the same physical principle. The data is organized by test campaign so you can see exactly what was measured, who measured it, and what the numbers showed.
1990 — DMV Pilot Scrubber Tests, Rhone-Poulenc Kiln Site
The earliest documented DMV field tests were run on kiln stack gases at a Rhone-Poulenc Basic Chemicals Company facility. Testing was performed independently by the Energy and Environmental Measurement Corporation of Billings, Montana (team leader Dave Wang).
Particulate Matter
| Run | Inlet (PPH) | Outlet (PPH) | Reduction |
|---|---|---|---|
| 6-PT | 53.9 | 0.1 | 99.81% |
| 7-PT | 55.6 | 0.1 | 99.78% |
| 8-PT | 66.1 | 0.1 | 99.92% |
Sulfur Dioxide
| Run | Reduction (PPH basis) |
|---|---|
| 2-SO2 | 96.2% |
| 4-SO2 | 71.8% |
| 6-SO2 | 87.8% |
| 8-SO2 | 93.9% |
Fluoride
| Run | Reduction |
|---|---|
| 1-PT | 98.60% |
| 3-PT | 98.20% |
| 5-PT | 99.60% |
| 7-PT | 99.90% |
Polonium-210 (radionuclide)
| Run | Removal |
|---|---|
| 1-PT | 99.33% |
| 3-PT | 99.04% |
| 4-PT | 99.82% |
| 8-PT | 99.93% |
| Average (all runs) | 99.65% |
Source: Isaacs Hydropermutation Technologies LLC field test records, Rhone-Poulenc kiln site, July–August 1990. Independent testing by Energy and Environmental Measurement Corporation, Billings, MT.
Hydrop — Hazardous Waste Incinerator Testing
Under the Hydrop name, the same DMV scrubbing technology was tested on a live slipstream of flue gases at Rollins Environmental Services’ hazardous waste incinerator in New Jersey — coordinated by RES(NJ) and the EPA Office of Solid Waste — to determine whether it could meet EPA MACT (Maximum Achievable Control Technology) emissions standards.
Across two test series, the Hydrop scrubber removed 84–94% of particulate matter from the gas stream, consistently landing below the MACT particulate limit of 0.03 gr/dscf — while the parallel high-energy venturi scrubber it was compared against averaged 0.034 gr/dscf, above the standard.
Heavy Metal Removal Efficiency (average % MRE)
| Metal | Series 1 | Series 2 |
|---|---|---|
| Antimony | 100% | 100% |
| Arsenic | 92.45% | 100% |
| Silver | 85.21% | 100% |
| Barium | 90.54% | 92.85% |
| Cadmium | 86.76% | 88.12% |
| Chromium | 86.76% | 88.3% |
| Lead | 85.82% | 88.87% |
| Mercury | — | 93.95% |
Particle size testing showed the unit removing 91–97.5% of the finest particulate in the stream, with performance remaining strong even at sub-micron sizes — the range most other scrubbing technologies struggle with.
Source: P. Falcone, P.E., T-Thermal Company, “An Innovation in Particulate Matter and Metals Emission Control: The Hydrop Scrubber.” Testing conducted on the RES(NJ) hazardous waste incinerator flue gas stream per EPA standard methods, two campaigns over 18 months.
MM5 Heavy Metals Lab Performance
In controlled lab testing at T-Thermal’s EPA-permitted test facility, the Hydrop scrubbing system was evaluated against a broad panel of metals using EPA Method 5 (MM5) sampling.
Removal efficiency reached near 100% across most of the panel — including aluminum, antimony, arsenic, barium, beryllium, boron, cadmium, calcium, cobalt, copper, iron, and lead — with the majority of the remaining elements (manganese, molybdenum, nickel, potassium, selenium, silver, sodium, vanadium, zinc) also in the 90–100% range.
Source: T-Thermal Company Test Lab / Pilot Facility, MM5 Heavy Metals Performance data.
Hydrop vs. Conventional Wet Scrubbing Technologies
Independent comparison testing put Hydrop head-to-head against the two most common alternatives: high-energy venturi scrubbers and wet electrostatic precipitators (WESPs).
| Metric (typical installation) | Venturi | Jet Scrubber | WESP | Hydrop |
|---|---|---|---|---|
| Water usage (gal / 1,000 ft³ gas) | 8–10 | 15 | 0.3 | 2.5 |
| Pressure drop (in. water column) | 30–90 | 50–75 | 1–5 | 20–25″ rise |
| Power (hp / 1,000 cfm) | 20 | 17 | 2.5 | 10 |
| Meets MACT (0.015 gr/dscf) | Generally cannot | Can meet | Can meet (limited) | Can meet, independent of loading |
| Installed + operating cost | Low install, high operating | Moderate both | Very high install, low operating | Lowest combined cost |
Case study: At a commercial hazardous waste incineration facility on the U.S. East Coast, Hydrop was installed at two points in the emissions train. Independent of inlet particulate loading, outlet emissions beat the MACT standard of 0.015 gr/dscf by roughly 40% — even as inlet loading varied by about 30%, outlet loading stayed essentially constant.
Source: T-Thermal Company, Hydrop Performance Comparison data and case study.
Humigation — Idaho State University Study (2015)
The Humigator applies the same DMV principle to a very different problem: keeping mold spores, bacteria, and other airborne microbes out of stored potatoes. The technology was developed by Isaacs Hydropermutation Technologies (dba: Idaho Hydropermutation Technologies), a company founded by Garry Isaacs in 2010, and is marketed under the name Humigation. Under an Idaho Global Entrepreneurial Mission (IGEM) grant, the Idaho State University Microbiology Department, led by Dr. Peter Sheridan, ran an extensive independent study on the Humigator’s ability to capture these organisms from air.
Yeast spores(used as a stand-in for potato storage mold spores like Silver Scurf): captured consistently at roughly 1×10&sup5; spores/mL in the discharge water — an estimated 36 billion spores captured over the course of testing.
Bacteria counts averaged 1.04×10&sup6; bacteria/mL in discharge water. Humigation reduced average bacteria counts by over 80% on 33 of 68 collection plates, and by over 44% overall.
High-concentration E. coli test: The Humigator was “extremely effective” at removing aerosolized bacteria from the test room air.
The study’s authors noted the test lab itself wasn’t built for controlled airflow (unlike a real potato storage facility), and expected even stronger results in a properly designed storage environment — while confirming that whichever microbe type reached the Humigator was very likely to be captured.
Source: “Flexible Sensors Assisted Miniaturized Air Scrubber for Protecting Stored Potatoes,” IGEM Grant App 001642, Dr. Peter Sheridan, Idaho State University Microbiology Department, Final Report Summary, 2015. Testing conducted for Isaacs Hydropermutation Technologies (dba Isaacs Hydropermutation Technologies), founded by Garry Isaacs, 2010.
From Industrial Scrubbing to the Air You Breathe
What started as a solution for kiln emissions and hazardous waste incineration — and was later proven effective against airborne mold spores and bacteria in agricultural storage — is the same core mechanism now built into IsaVac Ideal Atmospheres, adapted specifically for filterless whole-home, medical, and business office air purification. The physics don’t change based on the application: dense water aerosol, intimate contact with the air stream, and mechanical capture of what’s suspended in it.
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