Patent · US Expired

Device and method for mixing peat and sludge

US5494351A · kind A · utility

16Cited by
14References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 20, 1995
Grant dateFeb 27, 1996
Priority date
Expiry dateMar 20, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/145
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method and mixer for mixing peat and sludge into a homogenous mass, in which method the peat and sludge is mixed by pressurizing the pre-mixed mass for some time, when the sludge is absorbed by and bound in the peat. The mixer in accordance with the invention includes a silo (1) and a screw conveyor (4) located beneath it, from which the mass is squeezed out through a nozzle (10).

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