Oil-Dri Corporation of America
Surface modification of clay
Last updated:
Abstract:
The present invention involves a granular product to remove oil and grease from oily waste water; specifically targeting produced/flow-back water generated in the offshore oilfield industry. This granular product may be loaded into either filter media canisters or bulk filtration vessels and used onsite to filter the water. This invention may also be used as a pre-treatment step to other polishing filter systems.
Status:
Grant
Type:
Utility
Filling date:
15 Jan 2019
Issue date:
17 Aug 2021