New Magnetic Powder Removes 95% of Microplastics and PFAS from Drinking Water

Every time you turn on your tap, there is a high probability that microscopic plastics and toxic ‘forever chemicals’ are flowing straight into your glass. As a doctor, I find this reality highly concerning because these synthetic particles easily bypass standard municipal filters and accumulate inside human tissue over time. However, a recent engineering breakthrough just changed the immediate future of our public water supply. Researchers successfully developed a specialized magnetic powder capable of pulling 95 percent of these invisible pollutants directly out of wastewater in a single hour, giving us our first scalable weapon against a health threat we previously could not catch.

The Invisible Pollutants in Our Water and the Magnetic Solution

In my clinic, I talk to patients every day about what they put into their bodies. We check nutrition labels and discuss medications, but we rarely discuss the microscopic plastics and chemicals in our drinking water. The reality is that microplastics, nanoplastics, and PFAS—per- and polyfluoroalkyl substances—are present in our water systems. We call them ‘forever chemicals’ because they do not break down naturally. Instead, they accumulate in the environment and inside human tissues over time.

The primary problem with filtering these contaminants is their exact size. Some of these plastic particles measure just 30 nanometers across. Because they are this small, they pass completely through standard municipal water filters. Until now, we lacked a practical, large-scale method to capture them.

Researchers at RMIT University recently developed a concrete solution. They engineered a specialized magnetic powder designed to clear these specific pollutants from wastewater. The material acts as an adsorbent. It physically and chemically binds to microplastics, nanoplastics, and PFAS molecules in the water. Once the contaminants attach to the powder, a magnetic separation system pulls the powder straight out of the water, taking the pollutants with it. This provides a direct, measurable way to remove synthetic materials that our current infrastructure simply misses.

15 Minutes to Cleaner Water: Testing Under Real Conditions

In laboratory testing, the magnetic powder removed over 95 percent of microplastics and nanoplastics within one hour. Even more impressively, it pulled out about 80 percent of those particles in just the first 15 minutes.

That 15-minute mark matters immensely. City water treatment plants process millions of gallons of water every single day. They cannot let water sit in holding tanks for hours while a filter slowly does its job. Because this powder binds to contaminants so quickly, it can drop right into the contact times already used by large-scale municipal facilities without slowing down the grid.

The researchers also made sure the powder works outside of perfectly sterile lab conditions. They tested it in both fresh and saltwater, and it successfully captured our most common daily plastics: polyethylene, polypropylene, and polyester. When they dumped the powder into industrial laundry wastewater—a massive source of synthetic microfibers—it stripped out more than 88 percent of the polyester fibers and fabric dyes. It performed exactly as intended despite being surrounded by thick detergents and organic waste. The powder also acts as a broad-spectrum trap; tests confirmed it removes over 95 percent of heavy metals like mercury, chromium, and copper, as well as lingering pharmaceutical residues like ibuprofen.

Sustainable Recovery and Cost Reduction

Any effective intervention must solve the problem without creating a new one. In water filtration, catching microscopic plastics and chemical compounds is only the first step. Facilities also have to extract the treatment material completely so the powder does not become a new pollutant itself.

To manage this, the RMIT team collaborated with a Canadian company named One Eye Industries to build a prototype magnetic separation system. Because the adsorbent powder is inherently magnetic, operators can extract it from the water rapidly and reliably after it binds to the contaminants. This precise recovery process ensures the treatment does not generate a secondary waste stream. Once recovered, treatment facilities can reuse the exact same powder multiple times.

The researchers also solved the financial barrier that usually prevents laboratory science from reaching the public. They developed a room-temperature manufacturing process that requires fewer expensive raw materials. This operational shift increased their production output fivefold. Current analysis indicates this new method reduces overall production costs by approximately 75 percent compared to their previous versions from 2022. By ensuring the material is both reusable and cheap to manufacture, the team made this a financially viable option for large-scale municipal budgets.

Moving from the Lab to Local Water Supplies

When we identify a systemic health threat, getting the solution into communities quickly is the priority. The next step for this magnetic powder is moving it out of the laboratory and into the infrastructure we rely on every day.

The research team is currently partnering with Fire and Test Australasia, an Indigenous-owned company, to test the material in community stormwater and wastewater systems. This partnership focuses heavily on practical water stewardship and protecting local waterways. The researchers are also working with Star Water Group, a company that manages water treatment for clients in the United States, including California.

This international rollout is timely. Governments across the United States and Europe are actively implementing stricter limits on how much microplastic pollution can legally enter public waterways. As these regulations tighten, industrial facilities and municipal treatment plants will be forced to upgrade their filtration methods to remain compliant.

Because this magnetic technology scales effectively, it has immediate potential for decentralized water treatment, large textile plants, and municipal city grids. By addressing the operational challenges directly, these scientists have created a realistic path to deploy this tool where it matters most: our local taps.

My Personal RX on Defending Your Body Against Hidden Toxins

While science advances large-scale solutions for our municipal water grids, you still need to protect your health at the individual level today. Microplastics and PFAS accumulate in human tissues, disrupting endocrine function and stressing your body’s natural filtration organs like the liver and kidneys. You do not have to wait for city infrastructure to upgrade before taking action.

By adjusting how you source, store, and consume water and food, you can actively reduce your daily chemical load. Here are my personal tips to minimize your exposure to hidden toxins and fortify your body’s natural defenses.

1. Install a Certified Water Filter: Standard carbon pitchers do not catch nanoplastics or most PFAS. Look for a reverse osmosis system or a water filter specifically certified by the NSF to remove forever chemicals from your home drinking water.
2. Swap Out Plastic Drinkware: Stop drinking from disposable plastic water bottles. Switch to stainless steel or glass containers to prevent microplastics from shedding directly into your daily water intake.
3. Never Heat Food in Plastic: Heat accelerates the breakdown of chemical bonds in plastic containers. Always transfer your meals to glass or ceramic plates before using the microwave to prevent chemical leaching into your food.
4. Strengthen Your Internal Defenses with the Gut Brain Reset Bundle: A healthy gut microbiome is your primary barrier against ingested toxins. My Gut Brain Reset Bundle combines MindBiotic, Digestive Enzymes, and Eye Max to support optimal digestion and microbiome balance, helping your body process waste and absorb essential nutrients effectively.
5. Replace Non-Stick Cookware: Traditional non-stick pans are often manufactured using PFAS. When these pans scratch or overheat, they release forever chemicals right into your meals. Cook with cast iron, stainless steel, or ceramic alternatives instead.
6. Check Your Dental Floss: Many popular brands of dental floss are coated with PFAS to help them glide easily between teeth. Switch to natural, uncoated silk floss or products specifically labeled as PFAS-free.
7. Support Cellular Health with the Core Four Bundle: Environmental stressors drain your body’s nutritional resources over time. The Core Four Bundle—featuring Omega-3 Fish Oil, Ultra Cal-Mag, Vitamin D3 + K2, and MindBiotic—helps fill the most common nutrient gaps that appear after 40, giving your body the exact foundational support it needs to maintain steady energy and a healthy stress response.
8. Avoid Water-Resistant Fabrics: Clothing, carpets, and upholstery marketed as stain-resistant or water-repellent are frequently treated with forever chemicals. Opt for natural, untreated fibers like organic cotton or wool in your home whenever possible.
9. Vacuum with a HEPA Filter: Microplastics shed constantly from synthetic clothing and carpets, settling into household dust. Vacuuming your floors regularly with a high-efficiency particulate air (HEPA) filter prevents you and your family from inhaling these microscopic particles.
10. Maintain High Hydration Levels: Do not let the presence of contaminants stop you from drinking water entirely. Once you secure a reliable filtration method, drink plenty of water daily to support your kidneys as they constantly filter and excrete soluble waste from your bloodstream.

Sources:

1. Muhammad, H., Bibi, F., Loomba, S., Jain, K., Nasir, M., & Eshtiaghi, N. (2026). Scalable room-temperature synthesis of a MOF-based magnetic adsorbent for rapid simultaneous removal of PFAS and micro-nanoplastics. Chemical Engineering Journal, 542, 178141. https://doi.org/10.1016/j.cej.2026.178141
2. Magnetic invention removes ‘invisible’ microplastics plus some PFAS. (2026, July 22). EurekAlert! https://www.eurekalert.org/news-releases/1137124