Swift Green Filters specializes in making replacement home water filters for your fridge. The convenience of accessing filtered water through ones fridge is quite obvious, but some might wonder how a water filter made out of plastic and carbon could be Green.
The use of activated carbon to remove harmful impurities from water has been practiced since Roman times. Activated carbon is extremely porous with a very large surface area, making it an effective adsorbent material, and common natural substances like lignite, bituminous and anthracite coal and peat, wood and coconut shell can be used to make activated carbon.
The traditional method of taking natural substances and making activated carbon, known as open pit charring, releases harmful green house gasses into the atmosphere without any control or treatment. To be more precise, making a 10-inch carbon block emits 1.3 kilograms of CO2 using this method.
The Swift Green method chars the natural substance in a reactor, thereby capturing the green house gasses and using them under controlled conditions for the production of thermal energy. Through this method, 400 kilograms of volatile gasses per ton of natural substance used are halted from entering our atmosphere.
What about the plastic, packaging and exhausted carbon block when the filters reach the end of their life cycle? The packaging is recyclable, and Swift Green’s recycling program encourages consumers to send back their exhausted filters. The plastic is grinded and reused while the carbon is also crushed and used for industrial and agricultural purposes.
Swift Green’s choice of using coconut shells as the natural substance to make the activated carbon also reflects the company’s green initiatives. Coconuts are grown in over eighty countries and have a total production of 61 million tonnes per year. Since consumers only demand the water and mass inside of the coconut, the shells are left for waste, and most often they are either thrown in the ocean or burned.
“We take post-consumer waste and make a product that promotes a healthy lifestyle. In the process, we don’t harm the environment” — Parkash Suri, President of Swift Green Filters.
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