Purifying with
Precision

Minus Filtration purifies water for everyone and source ecosystems, subtracting contaminants and sustaining purity.
Increasing global chemical treatment and emerging contaminants demand modern alternatives. Traditional methods, burdened by high maintenance and ineffective against persistent pollutants, can no longer keep up.

Minus Filtration’s nanofiltration tech offers an innovative, scalable solution to subtract contaminants and simplify the water matrix.

Looks clean

But contaminants are invisible to the eye

Neurotoxicity in infants and children, cognitive delays, Parkinson-like symptoms
Manganese
Hormonal disruption, reproductive harm, birth defects
Atrazine
Bone cancer, kidney damage, fetal radiation exposure
Radium
Cancer, immune suppression, thyroid disease, developmental and reproductive toxicity
PFAS
Bladder cancer, reproductive effects, developmental issues
Disinfection Byproducts
Stomach cancer, liver damage, reproductive toxicity
Chromium-6
Brain damage, developmental delays, IQ loss, kidney damage, reproductive harm
Lead
Cancer (bladder, lung, skin), cardiovascular disease, respiratory damage, developmental toxicity
Arsenic
Methemoglobinemia (blue baby syndrome), cancer risk, thyroid disorders, birth defects
Nitrate

Versatile Applications

Our nanofiltration technology adapts to diverse water treatment needs across residential, municipal, and industrial sectors.

Drinking Water

Enhancing existing treatment trains to deliver safe, high-quality potable water
for communities of all sizes

Residential

Purifying every drop in your home at the point of entry for cleaner, healthier living

Industrial Effluent

Delivering efficient, sustainable water purification that cuts costs and boosts performance

Wastewater

Enabling safe water reuse and regulatory compliance, transforming waste into a resource while safeguarding ecosystems for a more circular economy

Our Nanofiltration Technology:
Subtracting Contaminants, Ensuring Purity

Spiral Wound Design

Modular, retrofit design optimized for a range of water qualities and immediate deployment

3-Layer Hybrid Membrane

Breakthrough multi-layer filtration with superior contaminant removal and 2x - 3x higher permeability

Advanced Nano-Chemistry

Robust anti-fouling properties and solute-solute rejection that keeps vital minerals in but contaminants out

Key Benefits & Comparison

Discover why our nanofiltration technology outperforms traditional alternatives

Efficiency

With up to 99% water recovery rates and 90–99% contaminant rejection, our systems dramatically reduce water waste while delivering highly effective filtration.
Comparison with our Competitors
  • Reverse osmosis (RO): High energy use, prone to fouling, low recovery rates.
  • Granular Activated Carbon (GAC): Slow adsorption and large footprint.
  • Ion-Exchange Resins (IEX): Resin saturation, inconsistent flow issues.

Versatility

Designed for simple, retrofit installation, our technology adapts to a wide range of applications and contaminant profiles. From municipal systems to industrial facilities, it provides reliable, consistent performance.
Comparison with our Competitors
  • RO: Struggles with variable influent, fouling risk, poor adaptability.
  • GAC: Ineffective on inorganics, dissolved salts, polar organics.
  • IEX: Only targets ions, ineffective for organics, limited scope.

Low-Maintenance

Our fouling-resistant membranes have a 5–10 year lifespan, reducing downtime and replacement costs. Operators can maintain peak performance without frequent intervention or specialized cleaning cycles.
Comparison with our Competitors
  • RO: Frequent membrane cleaning, high-stress system with pump wear.
  • GAC: Regular media swap, high maintenance costs, landfill risk.
  • IEX: Frequent resin renewal, performance degradation, complex design.

Sustainable

By eliminating mass chemical and adsorbent use, our process avoids complex waste media, harmful byproducts, and disposal challenges. The result is cleaner water with a smaller environmental footprint.
Comparison with our Competitors
  • RO: High volume water waste, large energy footprint, remineralization needs.
  • GAC: High volume contaminant-laden waste, short media life, reactivation energy.
  • IEX: Brine disposal, spent resin waste, pollutive media production.

We don't ask clients
to compromise

With Minus Filtration, you can achieve all of your goals simultaneously without settling for less

Cost Savings

Minus Filtration cuts operational costs with highly efficient, advanced membranes.

Compliance

Stay ahead of regulatory requirements with solutions engineered for full compliance.

Confidence

Operate with certainty, knowing your water quality meets the highest standards.

Let's Connect

Ask us anything, get a quote, discuss a pilot program, or explore partnership opportunities.

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