氢氧化镁铝
1.The result shows that the calcined LDH has an excellent performance in adsorbing bromide anion,the adsorption capacity is 133.33mg/g at 35℃ and in accordance with the Langmuir isotherm.
2.The results show that: the fillers of SiO2 based investment consist of SiO2, Al2O3 and MgO, and the binder is NH4H2PO4 for SiO2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900℃; the fillers of Al2O3 based investment consist of Al2O3 and MgO, and the binder is NH4H2PO4; for Al2O3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900℃; the fillers of MgO based investment consist of MgO and Al2O3, and the binder is CA cement; for MgO based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900℃.
