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You are in Phoenix. We also have a Tucson site.

Understanding Microplastic Filtration for Cleaner Drinking Water


Current water treatment systems struggle to remove microplastics effectively. However, this guide focuses on practical and efficient filtration methods designed to capture these tiny contaminants, to help your drinking water remain uncontaminated and safe.

Key Takeaways

  • Microplastics are tiny, harmful environmental particles that are difficult to detect and eliminate due to their varying shapes, sizes, and sources.

  • Drinking water treatment facilities struggle with microplastic removal, as conventional methods like coagulation and flocculation are ineffective for fine particles, necessitating advanced water treatment technologies.

  • Home filtering systems, such as reverse osmosis, water distillation, and ultrafiltration, are effective at reducing microplastic contamination in drinking water, while selecting natural fibers for clothing can help reduce environmental microplastic pollution.

Understanding Microplastics: The Invisible Threat

Tiny plastic particles, often less than five millimeters across and known as microplastics, are stealthily pervading the environment like a hidden menace. Invisible to the naked eye, they originate from the disintegration of larger pieces of plastic trash or emerge as minuscule beads in personal care products designed for exfoliation. Synthetic materials, like those found in cozy sweaters, shed microfibers that contribute to this pollution through everyday wear and tear.

The challenge with these tiny invaders is their variety. They do not conform to one shape or size but manifest across a spectrum from shard-like fragments to threads. The diverse shapes and sizes of microplastics make them a ubiquitous challenge that researchers are eagerly working to better understand. They are developing standardized methods to track and assess the impact these tiny pollutants have on our environment. By determining the full scope of their impact on our ecosystem, experts aim to craft effective countermeasures against this insidious form of pollution.

How Microplastics Enter Our Water Supply

Small plastic particles enter our drinking water systems from various sources, including stormwater runoff and ineffective garbage disposal practices. Not only does improperly discarded plastic waste contribute to this issue, but so do shipping and fishing industries. Consider the seemingly innocent act of laundering a synthetic fleece jacket. During washing, minuscule fibers escape wastewater treatment processes and end up polluting our rivers and lakes.

Attempts at environmental sustainability can sometimes have unintended negative effects. For example, using treated sewage sludge (wastewater effluent) as fertilizer might result in microplastics being washed into aquatic ecosystems through runoff. Consequently, these plastic particles are becoming pervasive contaminants not just along coastlines but also within inland drinking water supplies worldwide — ranging from expansive oceans to the extensive Great Lakes network — thereby introducing potential risks for human health.

Current State of Drinking Water Treatment Plants

In response to the pervasive microplastic problem, drinking water treatment plants stand as critical defenders of our tap water. The challenge they encounter is herculean — tackling microplastics from diverse sources with their variable characteristics requires significant effort and sophisticated tools for detection and extraction. Unfortunately, the arsenal at these plants often falls short. Most current methods can only identify particles as small as 10-20 micrometers. Consequently, numerous tiny fragments elude capture by the water treatment processes and make their way into our drinking glasses unimpeded.

Limitations of Conventional Filtration Processes

Traditional methods of water treatment, such as coagulation, flocculation, and sedimentation, fall short when dealing with microplastics. These techniques effectively address turbidity and other apparent problems, but struggle to capture particles smaller than 45 micrometers in size. Although a sediment filter is capable of intercepting around 70% of the larger particulates, it proves ineffective at preventing finer contaminants from slipping through.

Despite seeming sophisticated, biofiltration and ozonation processes do not markedly improve the elimination of microplastics from water.

Advances in Microplastic Removal Technologies

Thankfully, advancements in technology are leading the charge in eliminating microplastics. Consider membrane bioreactors, rapid sand filters, and dissolved air filtration as the superheroes in purifying our water. These cutting-edge technologies have been ramping up their performance, effectively capturing microplastics from our water supply.

With these advancements, we can look forward to the day when we can enjoy water with confidence, free from the worry of microplastic contamination.

Home Solutions for Microplastic Filtration

To effectively remove microplastics from your home's water supply, it's essential to use the right water filtration systems. Among the most effective are granular activated carbon filters, reverse osmosis systems, and ceramic filters. These systems are designed to filter out the tiny particles that contaminate drinking water.

By understanding and utilizing these filtration methods, you can significantly reduce the presence of microplastics in your water, ensuring a safer and cleaner drinking experience.

Reverse Osmosis Filters

Reverse osmosis filters are a powerful tool in water purification, using semi-permeable membranes to block the majority of microplastics. This process relies on pressure to push water through the membrane, trapping contaminants and allowing only clean water to pass through.

With the ability to remove up to 99% of pollutants, reverse osmosis filters are among the most effective methods available for producing clean drinking water.

Water Distillation

Utilizing an updated version of the classic water distillation method can successfully eliminate contaminants, such as microplastic particles, from distilled water. This is achieved by heating the water to create steam and then condensing this pure vapor back into liquid form, resulting in a product that contains solely H2O. In doing so, it leaves behind all undesired substances, including troublesome plastic particles.

This technique is comprehensive in its ability to purify. It doesn’t only remove microplastics but also other dissolved solids which could compromise the cleanliness of your water.

Ultrafiltration Systems

Ultrafiltration systems act as the unsung heroes within the realm of filtration, expertly sieving out contaminants too small to pass through its minute pore openings. These systems operate with exacting accuracy, equipped with a membrane featuring pores approximately 0.01 micron in size—fine enough to intercept most microplastics yet allowing vital minerals to flow freely, thereby preserving the beneficial qualities of water.

Alternative Ways to Reduce Microplastic Exposure

Opting for filtering bottled water is an excellent preventative measure against microplastics. It serves the dual purpose of reducing reliance on single-use plastic while also safeguarding your drinking water from these tiny pollutants.

Regarding apparel, selecting garments crafted from natural fibers such as wool or hemp is wise. These materials emit far fewer microplastics during wash cycles compared to their synthetic counterparts, thereby lessening environmental contamination.

Parker & Sons' Role in Ensuring Clean Drinking Water

Parker & Sons stands at the forefront of delivering pure water in Arizona. Our Trust Certified® technicians come equipped with expertise and cutting-edge equipment, dedicated to providing you with exceptional water. Among our premier water filtration offerings are reverse osmosis filters designed to shield your home from microplastic contamination. Call today so you can enjoy your water confidently and without worry!

Frequently Asked Questions

What filter system is used for microplastics?

Reverse osmosis (RO) systems excel in diminishing substantial quantities of microplastics and the majority of other contaminants found in water.

For an efficient expulsion of microplastics, it is advisable to employ a conventional reverse osmosis system equipped with three to five stages of filtration.

What are microplastics and where do they come from?

Microplastics, tiny fragments of plastic under five millimeters in size, stem from the degradation of larger pieces of plastic waste as well as microbeads found in various products and microfibers shed by synthetic garments. These minuscule particles pose a serious issue for the environment.

How do microplastics get into our drinking water?

Microplastics enter our drinking water through stormwater runoff, inadequate waste management, and the shedding of synthetic clothing fibers during laundry.

Be mindful of these sources to reduce microplastic contamination.

Can reverse osmosis filters effectively remove microplastics from water?

Indeed, osmosis filters utilizing reverse osmosis technology can remove microplastics from water with an efficiency that reaches up to 99%, making them effective filtration systems for this purpose.

Are there other ways to reduce microplastic exposure besides water filtration?

Yes, there are other ways to reduce microplastic exposure such as using filtering water bottles, choosing natural fiber clothing, and modifying laundry habits.

These simple changes can make a big difference in minimizing your exposure to microplastics.

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