Patent · US Expired

Method and installation for drying sludge

US7261208B2 · kind B2 · utility

1Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2001
Grant dateAug 28, 2007
Priority date
Expiry dateAug 28, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B2200/18
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Apparatus and method for drying sludge, in particular sewage sludge, by creating a granulate from the dried product. A mixture of a carrier material consisting of recycled sludge which has already been dried and liquid sludge is fed to a dryer 6. The dried product is fed to a solids separator 8 after the dryer 6 and is stored intermediately in the former in an intermediate container that is placed immediately downstream of the separator.

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