Patent · US Expired

Organic solid substrate dewatering process based on plug flow contact by an extractive fluid

US4397100A · kind A · utility

9Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1981
Grant dateAug 9, 1983
Priority date
Expiry dateDec 4, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S366/01
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of removing water from organic solid substrates, such as peat, wherein a primary solvent is used to extract water from the substrate and the primary solvent and the substrate are kept in plug flow during contact, and then a secondary solvent may be used to separate the primary solvent from the water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.