Dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent and preparation method thereof

Dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent and preparation method thereof

The invention discloses a preparation method of a dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent. The method comprises the following steps: preparing cerium salt and lanthanum salt into a cerium and lanthanum mixed salt solution, and adding EDTA and hydrochloric acid into...

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Hauptverfasser: SUN FENGMEI, ZHU ANFENG, ZHOU GUOLANG, YIN JINGZHOU, WANG QING, MAO GUANGXIU, SUN XIAOJUN
Format: Patent
Sprache:chi ; eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator SUN FENGMEI
ZHU ANFENG
ZHOU GUOLANG
YIN JINGZHOU
WANG QING
MAO GUANGXIU
SUN XIAOJUN
description The invention discloses a preparation method of a dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent. The method comprises the following steps: preparing cerium salt and lanthanum salt into a cerium and lanthanum mixed salt solution, and adding EDTA and hydrochloric acid into the cerium and lanthanum salt mixed aqueous solution to obtain a light green solution; then adding a potassium ferrocyanide solution to form a green precipitate, carrying out centrifugal separation on the precipitate, washing the precipitate with deionized water for three times, washing the precipitate with absolute ethyl alcohol for three times, and drying the precipitate to obtain a green precursor; and carrying out high-temperature calcination on the obtained precursor by using a temperature-controlled muffle furnace, and naturally cooling to obtain the dried persimmon-shaped LaFeO3/CeO2 compound adsorbent. The dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent can be used in the field of
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Dried persimmon-shaped magnetic separation LaFeO3/CeO2 compound adsorbent and preparation method thereof
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