Methods for extracting xylose liquid and cellulose with high purity from corn straw
US12281183B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2024 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Apr 30, 2044 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H11/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The embodiments of the present disclosure provide a method for extracting xylose liquid and cellulose with high purity from corn straw. The method includes raw material screening, raw material preprocessing, alkali processing, acid hydrolysis, and gradient alkali processing. The embodiments of the present disclosure adopt a gradient selective refining method for extracting a high-purity xylose liquid and cellulose from the corn straw, so as to maximize the extraction of the xylose from the corn straw, and at the same time, to separate and extract a high-purity cellulose product from straw residue under a low-cost process processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.