Compositions, articles, and methods for abatement of hydrocarbon, metals, and organic pollutants
US11124432B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Aug 6, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Material compositions have multifunctionality in abatement of water pollution: They are capable of removing hydrocarbons along with various types of other pollutants, such as metals and metal oxides, and phosphates and other organic material, from water streams. In certain embodiments, the multifunctional compositions are comprised of biochar particles, activated carbon particles, or metal (or metal oxide) nanoparticles bound to a cellulosic or other organic matrix material, which are adhered to styrene-butadiene-styrene granules embedded in an M-Class rubber matrix. Methods of synthesis of the multifunctional compositions and products, including filter cartridges and filters, that use such compositions are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.