{"id":11137,"date":"2022-11-21T04:59:04","date_gmt":"2022-11-20T20:59:04","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11137"},"modified":"2022-11-21T04:59:04","modified_gmt":"2022-11-20T20:59:04","slug":"li-zhengs-team-published-research-in-aiche-journal-in-66-cas-4551-69-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11137","title":{"rendered":"Li, Zheng&#8217;s team published research in AIChE Journal  in 66 | CAS: 4551-69-3"},"content":{"rendered":"<p>Li, Zheng published the artcile<b><i>Selective removal of magnesium from lithium-rich brine for lithium purification by synergic solvent extraction using \u03b2-diketones and Cyanex 923<\/i><\/b>,  <a href=\"https:\/\/www.ambeed.com\/products\/4551-69-3.html\">Computed Properties of  4551-69-3<\/a>,  the publication is  AIChE Journal (2020), 66(7), e16246, database is CAplus and MEDLINE.<\/p>\n<p>In the production of battery-grade and high-purity Li<sub>2<\/sub>CO<sub>3<\/sub>, it is essential to remove magnesium impurities. The state-of-the-art solvent extraction (SX) process using Versatic Acid 10 and D2EHPA co-extracts 3.3-5.5% lithium, while removing 86-98% magnesium. Here, we demonstrate that synergic SX systems containing a \u03b2-diketone (HPMBP, HTTA or HDBM) and Cyanex 923 are highly selective for magnesium extraction over lithium (separation factor \u03b1 &gt; 1000). The extracted magnesium and lithium complexes have the stoichiometry of [Mg\u00b7A<sub>2<\/sub>\u00b7(C923)<sub>2<\/sub>] and [Li\u00b7A<sub>x<\/sub>\u00b7(C923)<sub>2<\/sub>] (x = 1, 2), resp. (A represents deprotonated \u03b2-diketone). The three \u03b2-diketone synergic SX systems all considerably outperformed the Versatic Acid 10 system for magnesium removal from a synthetic solution containing 24 g L<sup>-1<\/sup> Li and 0.24 g L<sup>-1<\/sup> Mg. In a three-stage batch counter-current extraction, the HPMBP and Cyanex 923 synergic SX system removed 100% magnesium with only 0.6% co-extraction of lithium. This excellent Mg\/Li separation is the best result reported so far.<\/p>\n<p>AIChE Journal published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, <a href=\"https:\/\/www.ambeed.com\/products\/4551-69-3.html\">Computed Properties of  4551-69-3<\/a>.<\/p>\n<p>Referemce:<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">https:\/\/en.wikipedia.org\/wiki\/Pyrazole<\/a>,<br \/><a href=\"Pyrazole - Wikipedia\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>AIChE Journal published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, <a href=\"https:\/\/www.ambeed.com\/products\/4551-69-3.html\">Computed Properties of  4551-69-3<\/a>.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[740],"class_list":["post-11137","post","type-post","status-publish","format-standard","hentry","category-pyrazoles-derivatives","tag-m-w250-300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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