Patent · US Expired

Apparatus for producing methane gas by processing waste materials

US4090940A · kind A · utility

25Cited by
7References
30Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 23, 1976
Grant dateMay 23, 1978
Priority date
Expiry dateJan 23, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E50/30
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Apparatus for producing methane and other products by processing a slurry of biodegradable waste materials including two tanks containing waste material which are connected to allow fluid flow communication between slurry in each tank, each tank being airtight with respect to the ambient, one of said tanks containing a cathode and the other tank containing an anode to aid in the growth of methane producing bacteria, the tanks provided with movable hoods for collecting gas.

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