Optimisation of a pulp treatment method
US10358368B2 · kind B2 · utility
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Key dates
| Filing date | Feb 2, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Feb 6, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Disclosed is a method for treating pulp, particularly a method for treating sludge from wastewater treatment plants, for producing energy and/or organic materials that have undergone hygienization, including at least the following steps: a step of aerated or non-aerated thermal hydrolysis of the pulp, a digestion step, a dehydration step and a step of recirculating part of the dehydrated pulp into the step of thermal hydrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.