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Manganese cobalt ferrite nano material as well as preparation method and application thereof
The invention relates to the technical field of preparation of inorganic nonmetal nano composite materials, in particular to a manganese cobalt ferrite nano material as well as a preparation method and application thereof. The invention discloses a raw material composition for preparing the manganese cobalt ferrite nano material, which comprises nitrate of manganese, nitrate of cobalt and nitrate of iron in a molar ratio of 3: (2-4): (8-16). The magnetic manganese cobalt ferrite nano particles Mn0.5Co0.5Fe2O4 are prepared by adopting a spraying-calcining one-step method, the saturation magnetization of the magnetic manganese cobalt ferrite nano particles Mn0.5Co0.5Fe2O4 is 3.4-66.3 Am<2>/kg, the average particle size is 18.1-47.2 nm, thenano particles can be used for adsorbing elemental mercury in a gas phase, the gas-phase mercury adsorption capacity is 2.2-89.8 [mu]g/g, the product performance can be controlled by adjusting the concentration of a precursor solution, the aerogel mist flow velocity, and the calcining temperature, and the preparation method is simple, easy in process control, wide in raw material source, low in cost, uniform in product size and composition and narrow in particle size distribution.
本发明涉及无机非金属纳米复合材料制备技术领域，特别涉及一种锰钴铁氧体纳米材料及其制备方法和应用。本发明公开了一种用于制备锰钴铁氧体纳米材料的原料组合物，包括锰的硝酸盐、钴的硝酸盐和铁的硝酸盐，其摩尔比为3:(2‑4):(8‑16)；采用喷雾‑煅烧一步法制备得到磁性锰钴铁氧体纳米颗粒Mn0.5Co0.5Fe2O4，其饱和磁化强度为3.4‑66.3Am2/kg，颗粒平均粒径为18.1‑47.2nm，可以用于气相中单质汞的吸附，对气相汞的吸附容量为2.2‑89.8μg/g，可通过调节前驱体溶液浓度、气溶胶喷雾流速、煅烧温度控制产品性能，制备方法简单，过程易于控制，原料来源广泛，成本低廉，产品尺寸和组成均匀，粒径分布窄。
Manganese cobalt ferrite nano material as well as preparation method and application thereof
The invention relates to the technical field of preparation of inorganic nonmetal nano composite materials, in particular to a manganese cobalt ferrite nano material as well as a preparation method and application thereof. The invention discloses a raw material composition for preparing the manganese cobalt ferrite nano material, which comprises nitrate of manganese, nitrate of cobalt and nitrate of iron in a molar ratio of 3: (2-4): (8-16). The magnetic manganese cobalt ferrite nano particles Mn0.5Co0.5Fe2O4 are prepared by adopting a spraying-calcining one-step method, the saturation magnetization of the magnetic manganese cobalt ferrite nano particles Mn0.5Co0.5Fe2O4 is 3.4-66.3 Am<2>/kg, the average particle size is 18.1-47.2 nm, thenano particles can be used for adsorbing elemental mercury in a gas phase, the gas-phase mercury adsorption capacity is 2.2-89.8 [mu]g/g, the product performance can be controlled by adjusting the concentration of a precursor solution, the aerogel mist flow velocity, and the calcining temperature, and the preparation method is simple, easy in process control, wide in raw material source, low in cost, uniform in product size and composition and narrow in particle size distribution.
本发明涉及无机非金属纳米复合材料制备技术领域，特别涉及一种锰钴铁氧体纳米材料及其制备方法和应用。本发明公开了一种用于制备锰钴铁氧体纳米材料的原料组合物，包括锰的硝酸盐、钴的硝酸盐和铁的硝酸盐，其摩尔比为3:(2‑4):(8‑16)；采用喷雾‑煅烧一步法制备得到磁性锰钴铁氧体纳米颗粒Mn0.5Co0.5Fe2O4，其饱和磁化强度为3.4‑66.3Am2/kg，颗粒平均粒径为18.1‑47.2nm，可以用于气相中单质汞的吸附，对气相汞的吸附容量为2.2‑89.8μg/g，可通过调节前驱体溶液浓度、气溶胶喷雾流速、煅烧温度控制产品性能，制备方法简单，过程易于控制，原料来源广泛，成本低廉，产品尺寸和组成均匀，粒径分布窄。
Manganese cobalt ferrite nano material as well as preparation method and application thereof
一种锰钴铁氧体纳米材料及其制备方法和应用
XU YUEYANG (author) / ZHU FAHUA (author) / XUE JIANMING (author) / LIU RUIJIANG (author) / CHEN GUOQING (author) / DONG YUEHONG (author) / DUAN JIUXIANG (author) / SUN XUELI (author) / YANG FAN (author)
2022-02-08
Patent
Electronic Resource
Chinese
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