Mechanochemical Synthesis of Ca- and Mg-Double Salt Crystalline Materials Using Insoluble Alkaline Earth Metal Bearing Minerals
Mechanochemical Synthesis of Ca- and Mg-Double Salt Crystalline Materials Using Insoluble Alkaline Earth Metal Bearing Minerals
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利用不溶性碱土金属矿物机械化学合成钙镁复盐晶体材料
DOI:
10.1021/acssuschemeng.8b06129
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发表时间:
2019
影响因子:
8.4
通讯作者:
Baltrusaitis, Jonas
中科院分区:
文献类型:
--
作者:
Sharma, Lohit;Kiani, Daniyal;Honer, Kenneth;Baltrusaitis, Jonas
Sustainable, liquid-assisted grinding—mechanochemical synthesis—of crucial nutrient containing compounds, namely, Ca- and Mg-struvites (CaNH4PO4·H2O and MgNH4PO4·6H2O) and complex double salts (Ca(NH4)2(HPO4)2·H2O dimorph B, Mg(NH4)2(HPO4)2·4H2O dimorph A), was performed. These compounds were synthesized using solid crystalline monoammonium phosphate (NH4H2PO4, MAP) and low solubility common calcium and magnesium minerals, such as hydroxides, carbonates, and oxides. Powder X-ray diffraction showed single crystalline phase materials. Properties of the synthesized compounds were studied by thermogravimetric analysis/differential scanning calorimetry (TGA/DSC), Raman spectroscopy, and dynamic vapor sorption (DVS). TGA results showed that Ca-struvite was the most thermally robust, followed by Ca- and Mg-complex double salts and Mg-struvite. The decomposition of samples with release of NH3was marked by peaks in the DSC profiles at 190 °C for both complex double salts and a broad DSC shoulder at 186 °C was observed for struvites. Raman spectroscopy showed the presence of distorted PO43–bands due to protonation of the phosphate species and multiple binding environments. DVS measurements showed that these compounds deliquesced at very high relative humidity conditions (∼90%), which in some cases led to significant changes in the dominant crystalline phase.
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影响因子:
56.9
作者:
R. H. True
通讯作者:
R. H. True
影响因子:
8.4
作者:
Honer, Kenneth;Kalfaoglu, Eren;Baltrusaitis, Jonas
通讯作者:
Baltrusaitis, Jonas
DOI:
--
发表时间:
1973
期刊:
影响因子:
--
作者:
A. W. Frazier;Ewell P. Dillard;Raymond D. Thrasher;K. R. Waerstad
通讯作者:
K. R. Waerstad
DOI:
--
发表时间:
1992
期刊:
影响因子:
--
作者:
A. W. Frazier;K. J. Waerstad
通讯作者:
K. J. Waerstad
DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
K. R. Rathod;B. Jogiya;C. K. Chauhan;M. Joshi
通讯作者:
M. Joshi