Patent · US Expired

Arrangement for water purification

US4925552A · kind A · utility

70Cited by
17References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1988
Grant dateMay 15, 1990
Priority date
Expiry dateMay 12, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86228
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An arrangement for operation to reduce organic contaminant concentration in water passing therethrough as provided. The arrangement includes at least one reactor comprising a plurality of treatment chambers oriented in series, each chamber including an upstream downcomer portion and a downstream column portion separated by a wall member. Fluid flow is provided between a downcomer portion and the column portion. Means are provided such that water can flow through any associated chamber by introduction into an upper portion of the downcomer portion of the chamber, with passage downwardly to a feed space and a bottom portion of the column portion of the chamber and upwardly through the column portion. The water then flows outwardly from the chamber, into a next downstream chamber if one is provided. Each chamber includes a by-pass arrangement in association therewith, whereby should the column portion become temporarily occluded or plugged water backed up in the next upstream downcomer portion can overflow from an upper part of the downcomer portion across the column portion and above packing material therein, and into the next downstream chamber or, if none is provided, outwardly fro…

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