首页|Solubility of iron(Ⅲ)and nickel(Ⅱ)acetylacetonates in supercritical carbon dioxide

Solubility of iron(Ⅲ)and nickel(Ⅱ)acetylacetonates in supercritical carbon dioxide

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As a common precursor for supercritical CO2(scCO2)deposition techniques,solubility data of organometallic complexes in scCO2 is crucial for the preparation of nanocomposites.Recently,metal acetylacetonates have shown great potential for the preparation of single-atom catalytic materials.In this study,the solubilities of iron(Ⅲ)acetylacetonate(Fe(acac)3)and nickel(Ⅱ)acetylacetonate(Ni(acac)2)were measured at the temperature from 313.15 to 333.15 K and in the pressure range of 9.5-25.2 MPa to accumulate new solubility data.Solubility was measured using a static weight loss method.The semi-empirical models proposed by Chrastil and Sung et al.were used to correlate the solubility data of Fe(acac)3 and Ni(acac)2.The equations obtained can be used to predict the solubility of the same sys-tem in the experimental range.

Iron(Ⅲ)acetylacetonateNickel(Ⅱ)acetylacetonateSupercritical carbon dioxideSolubility measurementCorrelation modelPhase equilibrium

Haixin Sun、Jianlei Qi、Jianfei Sun、Lin Li、Kunpeng Yu、Jintao Wu、Jianzhong Yin

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State Key Laboratory of Fine Chemicals,School of Chemical Engineering,Dalian University of Technology,Dalian 116024,China

College of Chemical Engineering,Inner Mongolia University of Technology,Hohhot 010051,China

国家重点研发计划国家自然科学基金国家自然科学基金Inner Mongolia University of Technology Scientific Research Initial FundingTalent Introduction Support Project of Inner Mongolia

2020YFA071020221978043U1662130DC2300001240DC2300001426

2024

10.1016/j.cjche.2023.07.001

中国化学工程学报(英文版)
中国化工学会

中国化学工程学报(英文版)

CSTPCDEI
影响因子：0.818
ISSN：1004-9541
年,卷(期)：2024.65(1)
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