Solvent Recovery
Solvent recovery is one of the most well-known uses of activated carbon and it can make a significant difference to industrial processes. It’s a cost-effective process allowing solvents that have been used in industrial processes to be recovered. They can then be reused, meaning there’s no need to spend money repurchasing. In fact, without solvent recovery many industrial processes would not be cost-effective to operate. The activated carbon is used to collect the solvents and, not only is an expensive resource collected, but potentially damaging emissions to the atmosphere are prevented too. Sometimes the solvent can even be sold on to be reused. Energy can also be generated through this process and money is then saved on energy costs. Solvent recovery is both economical and beneficial to the environment. We produce a vast selection of carbons to serve a wide range of industries. We also offer support and carbon handling services throughout.
Steam Desorption
Steam desorption is a method where low pressure dry steam is fed into a bed of activated carbon that is saturated with solvent. The steam drives the desorbed solvent away and they are then separated. With this process, the solvent can often be returned to be reused for its original purpose immediately with no further treatment needed. It’s a versatile and cost-effective choice.
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Inert Gas Desorption
Some solvents are more susceptible to degradation at higher temperatures or for azeotropes in air or water. If this is the case, inert gas adsorption is used. Here the reactivity of the solvent is controlled, and the recovery rate of high-quality adsorbate is optimised.
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Hot Air Regeneration
Hot air regeneration is a newer process than other methods. Its purpose is to generate energy which can be used later in the factory’s processes, rather than recovering a reusable solvent. This method uses activated carbon to provide energy (in the form of heat or other power) to the rest of the factory.
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