Method of manufacturing erosion and sediment and pollution control products using rice hulls
US12318755B2 · kind B2 · utility
0Cited by
14References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 2023 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Dec 14, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A10/11
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of manufacturing an erosion, sediment and pollution control product comprises heat treating a rice hull filler material for sterilizing the rice hull filler material and increasing the pollutant affinity of the rice hull filler material; filling a tubular containment member with the rice hull filler material in a manner allowing fluid to flow through the containment member and the rice hull filler material. The containment member is a geotextile which may include cellulose based threads treated to be hydrophobic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.