Patent · US Expired

Control device

US4502952A · kind A · utility

2Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1983
Grant dateMar 5, 1985
Priority date
Expiry dateJun 28, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A control device for controlling the transfer of adsorbent to and from stages of an adsorbant-in-pulp contactor comprises a vessel for receipt of an adsorbent-pulp mixture and having an inclined screen for retention of adsorbent particles and passage of pulp, means for transferring adsorbent-pulp mixture to the vessel, means for measuring the volume of adsorbent or of adsorbent-pulp mixture in the vessel, and outlet means adjacent the lower end of the screen for recovery of drained adsorbent solids.

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