1) microwave carbon thermal reduction
微波碳热还原
1.
Aluminium nitride powders were prepared by microwave carbon thermal reduction method.
采用微波碳热还原法制备了氮化铝粉末,研究了铝源、碳源和添加剂对制备氮化铝粉末的影响。
3) microwave carbothermal reduction nitridation
微波碳热还原氮化
1.
β-sialon ultrafine powder was prepared from tetraethoxysilane,aluminum nitrate and sugar by the sol-gel and microwave carbothermal reduction nitridation methods.
以正硅酸乙酯(tetraethoxysilane,TEOS),硝酸铝,蔗糖等为原料,通过溶胶-凝胶和微波碳热还原氮化法合成了β-sialon超细粉。
4) Microwave reduction
微波加热还原
1.
Experiments were conducted on the flow sheet and the appropriate technological parameters of microwave reduction include high reduction temperature of 1100~1150 ℃,high reduction temperature time of 90 min,the content of additive 5%.
基于微波加热的优点和钛精矿良好的吸波性能,提出了微波加热还原钛精矿含碳球团制取初级富钛料的工艺路线并进行了试验,发现微波还原的最佳工艺条件:还原时间为1。
2.
A new technology for preparing rich titanium product,which includes microwave reduction-mineral separation-microwave leaching,was put forward on the basis of the abundant situation of titanium mineral resource in Panzhihua-Xichang zone and the advantages and disadvantages of actual productive methods on making rich titanium product.
针对攀西地区丰富的钛资源现状和现行富钛料生产工艺优缺点,提出了微波加热还原钛精矿复合球团—选矿分离—微波浸出制取高品质富钛料的新工艺路线。
5) Carbothermal reduction
碳热还原
1.
Analysis of carbothermal reduction of TiO_2 and extraction of titanium carbonitride from the blast furnace slag bearing titania;
TiO_2碳热还原与高炉钛渣提取碳氮化钛分析
2.
Research on synthesis of TiC by sol-gel and carbothermal reduction method;
溶胶-凝胶和碳热还原法制备碳化钛的研究
3.
Synthesis of lithium iron phospho-olivines by aqueous precipitation and carbothermal reduction;
沉淀-碳热还原联合法制备橄榄石磷酸铁锂
6) carbothermic reduction
碳热还原
1.
Thermodynamic study on the reaction of producing aluminum subchloride by carbothermic reduction and chlorination of alumina;
氧化铝碳热还原氯化法制低价氯化铝反应的热力学研究
2.
The co-operative catalytic effect of alkali chlorides on the carbothermic reduction of pre-oxidized ilmenite;
碱金属氯化物对预氧化钛铁矿碳热还原反应的协同催化作用
3.
Study on Refining Lithium by Vacuum Distillation and Preliminary Study on Preparing Lithium from Li_2CO_3 by Vacuum Carbothermic Reduction;
真空精炼锂的研究与氧化锂真空碳热还原初探
补充资料:碳热还原法
在高温下用碳还原金属氧化物制取金属的方法。例如,在高温下用碳还原氧化亚铁可得金属铁:
FeO+C─→Fe+CO其热力学依据是:金属氧化物的生成自由能变化ΔG(MO)是随温度的升高而逐渐增高(负值变小),而一氧化碳的生成自由能变化ΔG(CO)却是随温度的升高而明显降低(负值变大),所以当温度升高到ΔG(CO)-ΔG(MO)<0时,原来在低温下不能进行的反应变得能够进行。这种方法的优点是焦炭价廉易得,缺点是必须使用鼓风炉或电熔炉,而且许多金属会生成碳化物。
FeO+C─→Fe+CO其热力学依据是:金属氧化物的生成自由能变化ΔG(MO)是随温度的升高而逐渐增高(负值变小),而一氧化碳的生成自由能变化ΔG(CO)却是随温度的升高而明显降低(负值变大),所以当温度升高到ΔG(CO)-ΔG(MO)<0时,原来在低温下不能进行的反应变得能够进行。这种方法的优点是焦炭价廉易得,缺点是必须使用鼓风炉或电熔炉,而且许多金属会生成碳化物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条