Activated carbon filter element7/1/2023 You can read more on the process of carbon activation and impregnation here.Īctivated carbon as a finished product is different from regular carbon because its surface now has millions of tiny pores. This char is then treated chemically, usually with argon and nitrogen, before once again being heated – this time to 1,100-2,200 degrees.įrom there the now-activated carbon can be impregnated with different materials that will boost its filtration properties. To “activate” these carbon sources, first, the coconut shells or coal chunks are heated without oxygen to 1,100-1,650 degrees Fahrenheit until they burn down into a carbon char. The most common sources of activated carbon for water filtration are coconut shells or coal. It’s essential for life itself, hence the moniker carbon-based life forms, and it also makes up many other things including diamonds and fossil fuels.Īctivated carbon is produced by taking something that contains carbon and putting it through thermochemical processing.
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