Nano adsorbent for removing arsenic, stibium and fluorin in wastewater as well as preparation method and regeneration method of nano adsorbent

Nano adsorbent for removing arsenic, stibium and fluorin in wastewater as well as preparation method and regeneration method of nano adsorbent

The invention discloses a nano adsorbent for removing arsenic, stibium and fluorin in wastewater as well as a preparation method and regeneration method of the nano adsorbent, belonging to the technical field of wastewater treatment. The nano adsorbent is prepared by pretreating macroporous cation e...

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Hauptverfasser: SHAO LI'NAN, YANG XIAOSONG, ZHENG XI, HU JIANLONG
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 SHAO LI'NAN
YANG XIAOSONG
ZHENG XI
HU JIANLONG
description The invention discloses a nano adsorbent for removing arsenic, stibium and fluorin in wastewater as well as a preparation method and regeneration method of the nano adsorbent, belonging to the technical field of wastewater treatment. The nano adsorbent is prepared by pretreating macroporous cation exchange resin with a conventional method for acid and alkali treatment on new resin at first, and then sequentially carrying out the following processes of: soaking by using ammonium ceric nitrate and a ferrate solution; performing soaking restoration by using a mixed solution containing ferrite and hydrochloric acid; soaking by using a sodium hydroxide solution, and then performing chemical reaction inside a macroporous resin material to generate nano ferric oxide hydrate and ceric oxide hydrate precipitate particles; and drying and dehydrating for 3 hours at 50 DEG C to obtain an adsorbent loaded with nano ferric oxide hydrate and ceric oxide hydrate. The adsorbent disclosed by the invention can be used for elimi
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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 Nano adsorbent for removing arsenic, stibium and fluorin in wastewater as well as preparation method and regeneration method of nano adsorbent
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