The sulfured hydrogen gas adsorption was in vestigated with several nonmetallic minerals.Diatomite,pumice,zeolite and medicated were measured for main physical chemical properties.Absorbability of sulfured hydrogen in...The sulfured hydrogen gas adsorption was in vestigated with several nonmetallic minerals.Diatomite,pumice,zeolite and medicated were measured for main physical chemical properties.Absorbability of sulfured hydrogen in above several minerals was studied under different conditions.The effect of granularity,dosage of adsorbent,time and temperature on adsorption rate was discussed,and the absorption mechanism was discussed.Under proper conditions,the adsorption rate of sulfured hydrogen to above minerals can all reach 90%.The order of absorptive capacity is Diatomite>medicated>zeolite>pumice.展开更多
This review summarized the recent advances in the utilization of nonmetallic minerals and their applications for fabrication of unfired refractories.The preparation of refractory powder utilizing cheap nonmetallic min...This review summarized the recent advances in the utilization of nonmetallic minerals and their applications for fabrication of unfired refractories.The preparation of refractory powder utilizing cheap nonmetallic minerals of zircon,low-grade bauxite and quartz was discussed,respectively.The preparation of three unfired SiC-based refractories：SiC-SiAlON-ZrN,Al2O3-SiC/β-SiAlON/Ti（C,N）-C,and Al2O3-SiC-Si3N4 using the as-prepared refractory powders was introduced.展开更多
文摘The sulfured hydrogen gas adsorption was in vestigated with several nonmetallic minerals.Diatomite,pumice,zeolite and medicated were measured for main physical chemical properties.Absorbability of sulfured hydrogen in above several minerals was studied under different conditions.The effect of granularity,dosage of adsorbent,time and temperature on adsorption rate was discussed,and the absorption mechanism was discussed.Under proper conditions,the adsorption rate of sulfured hydrogen to above minerals can all reach 90%.The order of absorptive capacity is Diatomite>medicated>zeolite>pumice.
基金supported by the National Natural Science Foundations of China ( 51032007,51372232,and 51472222 )the Research Fund for the Doctoral Program of Higher Education of China ( 20130022110006 )the Beijing Higher Education Young Elite Teacher Project ( YETP0636)
文摘This review summarized the recent advances in the utilization of nonmetallic minerals and their applications for fabrication of unfired refractories.The preparation of refractory powder utilizing cheap nonmetallic minerals of zircon,low-grade bauxite and quartz was discussed,respectively.The preparation of three unfired SiC-based refractories：SiC-SiAlON-ZrN,Al2O3-SiC/β-SiAlON/Ti（C,N）-C,and Al2O3-SiC-Si3N4 using the as-prepared refractory powders was introduced.
