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- W2375702988 abstract "In order to reasonably use the boron-concentrate ore from magnetic separation of Liaoning ludwigite,the raw samples were roasted with ammonium sulfate.Then the roasted materials were separated by filtration after being dissolved into water.The boron-rich solution was used to recover boron acid while the remaining residue was used as a raw material for SiO2 and MgO recovery.Single factor experiments were conducted to study the influences of roasting temperature,roasting time and ammonium/ore ratio on the leaching rate of B2O3.The reasonable conditions obtained by orthogonal test are: roasting temperature of 400 ℃,roasting time of 90 min,and ammonium/ore ratio of 1.6.Under such conditions,the leaching rate of B2O3 is over 85%.The chemical composition analysis and XRD results show that,this method can extract the majority of soluble boron from boron-concentrate ore,and thereby realize the eco-friendly comprehensive utilization of boron-concentrate ore." @default.
- W2375702988 created "2016-06-24" @default.
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- W2375702988 date "2011-01-01" @default.
- W2375702988 modified "2023-09-25" @default.
- W2375702988 title "Boron Extraction from Boron-Concentrate Ore by Ammonium Sulfate Roasting Method" @default.
- W2375702988 hasPublicationYear "2011" @default.
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