METHOD FOR REGULATING PARTICLE SIZE OF PRUSSIAN WHITE

METHOD FOR REGULATING PARTICLE SIZE OF PRUSSIAN WHITE

A method for regulating a particle size of Prussian white, includes (1) adding a food-grade manganese sulfate solution and a complexing agent solution into a sodium ferrocyanide solution for a precipitation reaction to generate Prussian white crystal nucleus; (2) replacing the food-grade manganese s...

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Hauptverfasser: XU, Xueliu, LI, Yongguang, RUAN, Dingshan, LI, Changdong, LIU, Genghao
Format: Patent
Sprache:eng
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AMMONIA
CHEMISTRY
COMPOUNDS THEREOF
CYANOGEN
INORGANIC CHEMISTRY
METALLURGY
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creator XU, Xueliu
LI, Yongguang
RUAN, Dingshan
LI, Changdong
LIU, Genghao
description A method for regulating a particle size of Prussian white, includes (1) adding a food-grade manganese sulfate solution and a complexing agent solution into a sodium ferrocyanide solution for a precipitation reaction to generate Prussian white crystal nucleus; (2) replacing the food-grade manganese sulfate solution with an industrial-grade manganese sulfate solution, and keeping other conditions unchanged, so that the Prussian white crystal nucleus grow continuously to obtain a slurry; and (3) successively subjecting the slurry to an aging reaction, solid-liquid separation, washing and drying to obtain a Prussian white product with a specific particle size. The food-grade manganese sulfate solution, and the sodium ferrocyanide solution are subjected to the precipitation reaction, and then the industrial-grade manganese sulfate solution are added to continue a precipitation reaction. The particle size of the Prussian white is regulated by controlling an adding time of the two manganese sulfate solutions
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subjects AMMONIA
CHEMISTRY
COMPOUNDS THEREOF
CYANOGEN
INORGANIC CHEMISTRY
METALLURGY
title METHOD FOR REGULATING PARTICLE SIZE OF PRUSSIAN WHITE
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