Patent · US Expired

Automatically fed distillation still

US4585522A · kind A · utility

5Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1981
Grant dateApr 29, 1986
Priority date
Expiry dateNov 9, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S203/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Heated distillation still for separating ethanol-water mixtures divided into an upper solar absorbent vaporization section and a lower pre-heating section by a vaporization floor, float means to automatically control the ethanol-water feed to the lower portion of the preheating section when distillation is taking place, means to evenly distribute the ethanol-water mixture on the vaporization floor, means to heat the ethanol-water mixture in the distillation chamber, and means to remove or recycle residual aqueous liquid from the lower end of the vaporization section.

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