纬-FeOOH based hierarchical zeolite LTA monoliths as sorbents for As(V) removal were synthesized by modifying hierarchical zeolite LTA monoliths with HCl and FeCl 3 solutions. The obtained 纬-FeOOH based monoliths (abbreviated as Fe-HZ) maintain the interconnected macropores network structure, ...
Rust layer is mainly composed of γ-FeOOH, and a certain content of Fe3O4 and a small amount of α-FeOOH 翻译结果2复制译文编辑译文朗读译文返回顶部 Rust layer of main components for gamma-FeOOH, Fe3O4 and some alpha and have some content of-FeOOH 翻译结果3复制译文编辑译文朗读译文返回...
机译:研究了在110至230°C的温度下,在浓度为0-5 mol-dm〜(-3)的NaOH溶液中进行水热处理时,亚稳态gamma-FeOOH相的相变(α-FeOOH)和化学(α-Fe_20_3)转化。上述阶段的形成区域已经阐明。考虑了在溶液中形成的晶体形成复合物的可能组成以及当将它们掺入各种原子光滑面α-FeOOH和α-Fe_2...
A gamma-resonance spectroscopic study of the conversion of γ FeOOH ferrogen into α Fe 2 O 3 under hydrothermal conditionsThe original ferrogel was obtained by precipitation with ammonia from an aqueous solution of iron nitrate, with ... AS Plachinda,VM Chertov,IP Suzdalev,... - 《Theore...
PURPOSE:To produce a needle shaped gamma-FeOOH useful as a precursor of a magnetic powder suitable for magnetic recording with industrial advantage. CONSTITUTION:In a reaction for growing a gamma-FeOOH nucleus crystal suspended in a ferrous salt solution by oxidizing it while neutralizing the ...
gamma-FeOOH based hierarchical zeolite LTA monoliths as sorbents for As(V) removal were synthesized by modifying hierarchical zeolite LTA monoliths with HCl and FeCl3 solutions. The obtained gamma-FeOOH based monoliths (abbreviated as Fe-HZ) maintain the interconnected macropores network structure, ...
The method for producing -FeOOH powder comprises (a) purifying a hydrochloric acid waste liquor by the filter membrane, (b) adding an alkali soln. to the purified liquor to be pH 2.5-4.0, and removing Fe+3 ions and impuries in the waste liquor to produce a high concn. FeCl2 (I) ...
Lauer Jr. ( 1981 ), Stability of goethite (α-FeOOH) and lepidocrocite (γ-FeOOH) to dehydration by UV radiation: Implications for their occurrence on the Martian surface , J. Geophys. Res. , 86 , 10,893 – 10,899 .Morris R. V. and Lauer H. V., Jr. ( 1981 ) Stability of ...
The invention relates to a method for preparing ozone oxidation catalyst gamma-FeOOH after the neutralization of waste acid by using nickel laterite ores. The method comprises the following steps: controlling the pH value of a nickel laterite ore leaching liquor soaked by waste acid to be less ...
US3382174 * Jun 25, 1964 May 7, 1968 Bayer Ag Process for the preparation of gamma-feoohUS3382174 Jun 25, 1964 May 7, 1968 Bayer Ag Process for the preparation of gamma-feoohUS3382174 * 1964年6月25日 1968年5月7日 Bayer Ag Process for the preparation of gamma-feooh...