| http://www.w3.org/ns/prov#value | - For example, water treatment medias may include, but are not limited to, one or a combination of carbon (e.g., activated carbon, such as a tube of porous carbon, or a block of porous carbon, or carbon powder sintered with a plastic binder or the like), ion exchange media (e.g., in the form of resin beads, flat filtration membranes, fibrous filtration structures, etc.), zeolite particles or coating
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