Patent · US Expired

Method and device for treating a heavily loaded liquid effluent in particular with nitrogen and with phosphorus

US6776958B1 · kind B1 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 2000
Grant dateAug 17, 2004
Priority date
Expiry dateJun 2, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/903
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A device for treating a liquid effluent such as pig slurry containing significant quantities of nitrogen and phosphorus, the device including a mixing reactor for contacting the liquid effluent with the basic reagent, provided with an intake for said effluent and another intake for the basic reagent; an ammonia-extracting reactor, connected to the mixing reactor, and a tank for storing the treated liquid effluent derived from the ammonia-extracting reactor.

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