Patent · US Expired

Methods for treating membranes and separation facilities and membrane treatment composition

US7220358B2 · kind B2 · utility

25Cited by
57References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 2004
Grant dateMay 22, 2007
Priority date
Expiry dateApr 13, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2321/164
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for treating a separation facility is provided according to the invention. The separation facility includes a plurality of membranes for providing separation of a feed product. The method includes steps of providing liquid flow through a plurality of membranes; treating the plurality of membranes with a multiple phase treatment composition comprising a gaseous phase and a liquid phase at a volumetric ratio of the gaseous phase to the liquid phase of at least about 5:1; and providing a liquid flow through the plurality of membranes.

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