Filtration in chemical processes

Filtration or solid-liquid separation is an elementary process in the chemical industry – used for filtration of liquid process media, filtration and cleaning of process water, coolant, and wastewater, as well as for the protection of components in the process chain. The key process elements used in the systems are stainless steel filter media, which GKD offers with separation rates ranging from just 5 μm up to several millimeters, as well as synthetic filter belts.

Since a wide range of requirements has to be met in terms of mechanics, strength, and also filtration behavior depending on the equipment and process employed, many different solutions are available. Beside particle separation size, permeability, dirt holding capacity, cleaning characteristics and strength, solutions must also offer a long service life and high process reliability. Potential options include delivery of rolled products for assembly by the customer in their facility, as well as delivery and installation of filter elements and belts on the customer’s premises.

Filtration meshes and elements are also required for dust filtration of process gases and exhaust gases. Meshes produced from stainless steel can be used wherever polymer filter media are no longer suitable due to elevated process temperatures or a risk of fire. Thanks to our production technologies, existing bag filter systems can also be changed over to our metal mesh just as easily as other filter systems that use filter cartridges or filter leaves. Depending on the application, the existing filter media are selected for either high or low dust loads.