A novel neutral-base coupling synergistic extraction system of Cyanex923 and primary amine N1923 for the recovery of cerium(IV) and fluorine from sulfuric acid medium

2021 ◽  
Vol 258 ◽  
pp. 118026
Author(s):  
Yufei Yan ◽  
Ji Chen ◽  
Kai Li ◽  
Dan Zou ◽  
Yuefeng Deng ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Acid Medium ◽  
Primary Amine ◽  
Synergistic Extraction ◽  
Extraction System ◽  
Sulfuric Acid Medium ◽  
Neutral Base

Synergistic extraction of rare earths by mixture of HDEHP and HEH/EHP in sulfuric acid medium

2008 ◽  
Vol 26 (5) ◽  
pp. 688-692 ◽  
Author(s):  
Yongqi ZHANG ◽  
Jianning LI ◽  
Xiaowei HUANG ◽  
Chunmei WANG ◽  
Zhaowu ZHU ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Acid Medium ◽  
Rare Earths ◽  
Synergistic Extraction ◽  
Sulfuric Acid Medium

Nonisochoric Reactor with Constant Feed Rate of One Component

1993 ◽  
Vol 58 (7) ◽  
pp. 1476-1484
Author(s):  
Václav Dušek ◽  
František Skopal
Keyword(s):  
Sulfuric Acid ◽  
Acid Medium ◽  
Feed Rate ◽  
Redox System ◽  
Chemical Reactor ◽  
Constant Volume ◽  
Rate Equations ◽  
Sulfuric Acid Medium ◽  
Constant Feed Rate

For a chemical reactor with constant volume feed rate equations have been derived which describe the time dependences of concentration of the reaction components, and their approximation has been suggested. The applicability of the approximation has been verified on a model redox system Ce(IV)/V(IV) in sulfuric acid medium.

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