CM-PATRA / record

Selective extraction of potassium chloride employing tartaric acid as safe, benign and recyclable extractant

Publication

CA-2869255-A1 on Google Patents

Filed / published / granted

2013-04-02 / 2013-10-10 / 2017-02-07

Offices

EP, US, KR, RU, PH, CA, AU, WO

Applicants

CSIR (Council of Scientific & Industrial Research) (IN, government-rd); Kaunsel Of Sajntifik End Indastrial Riserch (IN, industry); Council Of Scient & Ind Res An Indian Registered Body Inc Under The Registration Of Societies Act Ac (IN, industry)

Minerals

Potash / Strontium / Phosphate

Stages

Recycling / secondary sources, Hydrometallurgy (leaching, solvent extraction)

CPC

C22B26/10

Abstract (first 170 chars)

Although U S patent 8,182,784 teaches the recovery of potassium chloride from schoenite end liquor (SEL) using dipicrylamine as extractant, and consequently simplifies th