Title:
【発明の名称】カリ岩塩用捕集剤及び泡沫浮遊選鉱法によりかり岩塩を分離する方法
Document Type and Number:
Japanese Patent JPS5915701
Kind Code:
B2
Abstract:
Collector for flotation of sylvite from crude K salts contains aminoalkanols having formula R1-CH(OH)-CH -NH-(CH2)n-NH2 -R2 (I) where R1 and R2 are H and/or 1-18 n-alkyl; sum of C in R1 and R2 is 9-18 and n is 2-4 esp. 3) and/or their salts. Sylvite concentrates contg. >60% K2O can be used as fertilisers. Collectors have high selectivity. Sylvite concentrates having very high K2O content can be obtd. in excellent yields. In an example, (I) was prepd. from an 11-14C epoxide mixt. derived from 11-14C mono-olefines, reacted with propylene diamine.
Inventors:
UBE PUROOGU
BORUFUGANGU RUPIRIUSU
BORUFUGANGU RUPIRIUSU
Application Number:
JP12929276A
Publication Date:
April 11, 1984
Filing Date:
October 27, 1976
Export Citation:
Assignee:
HENKEL KGAA
International Classes:
C01D3/08; B03D1/001; B03D1/01; B03D1/02; C07C67/00; C07C213/00; C07C215/14; (IPC1-7): B03D1/02; C01D3/08; C07C91/08
Attorney, Agent or Firm:
Toshio Yano
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