CN106166479A - A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof - Google Patents

A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof Download PDF

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Publication number
CN106166479A
CN106166479A CN201610603773.8A CN201610603773A CN106166479A CN 106166479 A CN106166479 A CN 106166479A CN 201610603773 A CN201610603773 A CN 201610603773A CN 106166479 A CN106166479 A CN 106166479A
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CN
China
Prior art keywords
heavy metal
pluralgel
adsorbent
chitosan
complexing agent
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610603773.8A
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Chinese (zh)
Inventor
聂世江
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Tian Gang Bio Tech Ltd Anhui
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Tian Gang Bio Tech Ltd Anhui
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Priority to CN201610603773.8A priority Critical patent/CN106166479A/en
Publication of CN106166479A publication Critical patent/CN106166479A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28047—Gels
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered

Abstract

nullThe invention discloses a kind of heavy metal removing efficient macromolecule pluralgel adsorbent，By weight，It is made up of following composition: activated carbon 20 30%、Chitosan 15 25%、Triethanolamine 5 10%、Improved silica 20 30%、Citric acid 5 15%、Heavy metal complexing agent ETO[1 (2 dimethylamino) ethyl 3 hydroxy-imidazoline hydrochloride] 3 5%，Heavy metal complexing agent HgQO[1.3 propylene diamine tetraacethyl] 3 5%，This heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof，By to chitosan and citric acid、Triethanolamine、Activated carbon、The substrate coordination of ETO and HgQO again with the organic composite of improved silica，The adsorbing medium that specific surface area is big makes the heavy metal removing obtained efficient macromolecule pluralgel adsorbent have high adsorption capacity、Adsorption capacity is big、Removal efficiency is high，And preparation technology is simple、Good stability、It is easily recycled、Do not produce secondary pollution、Cheap、The new green environment protection engineering material that practical value is high.

Description

A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof
Technical field
The present invention relates to environmental treatment environmental protection field of engineering technology, be specially a kind of efficient macromolecule of heavy metal removing Pluralgel adsorbent and preparation method thereof.
Background technology
In water, heavy metal pollution is society question of common concern, its not only severe contamination environment, the most biological Picked-up heavy metal enters human body by food chain enrichment from which, causes chronic poisoning that health causes potential threat, Also animals and plants and microorganism be there is also the most potential ecological threat.The method of removing heavy metal pollution of water body thing mainly has The sedimentation method, electrolysis, ion exchange and absorption method etc., these methods are to going removing heavy metals to have certain effect, but have into This height, energy consumption are big, the complicated defect certain with the presence of certain scope of operation.
Summary of the invention
It is an object of the invention to provide a kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation side thereof Method, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of efficient macromolecule of heavy metal removing is compound solidifying Glue adsorbent, by weight, is made up of following composition: activated carbon 20-30%, chitosan 15-25%, triethanolamine 5-10%, change Property silicon dioxide 20-30%, citric acid 5-15%, heavy metal complexing agent ETO[1-(2-dimethylamino) ethyl-3-hydroxy imidazole quinoline Keto hydrochloride] 3-5%, heavy metal complexing agent HgQO[1.3 propylene diamine tetraacethyl] 3-5%.
The present invention also provides for the preparation method of a kind of heavy metal removing efficient macromolecule pluralgel adsorbent, including as follows Step:
The first step, citric acid added fill in the rustless steel stirred tank of 100% water, start mixing speed control 150-300 turn/ Min, wait citric acid all dissolve put into again chitosan stirring obtain chitosan solution all to be dissolved by chitosan, then in institute State chitosan solution adds activated carbon stirring 1-1.5h, add, heavy metal complexing agent ETO, heavy metal complexing agent HgQO continue Stirring 1-1.5h, control mixing speed 150-300 turn/min obtains mixed solution { I }；
Second step, triethanolamine is added in first step mixed solution { I } mixing speed control 150-300 and turn/min, 2-3h liter Temperature 80-95 DEG C obtains mixed solution { II }；
3rd step, improved silica is added in the mixed solution { II } obtained in second step and continues to stir into solution--gel Change process i.e. obtains pluralgel；
4th step, by pluralgel through screw extruder be transported to gel particle forming machine through heating in vacuum discharge water vapour, squeeze Press, be cooled to ball-type 2-3mm pluralgel adsorbent；
Get product after 5th step, the most packaged machine subpackage.
Compared with prior art, the invention has the beneficial effects as follows: this heavy metal removing efficient macromolecule pluralgel adsorbs Agent and preparation method thereof, by the substrate of chitosan and citric acid, triethanolamine, activated carbon, ETO and HgQO is coordinated again with change Property silicon dioxide organic composite, by formula and the improvement of technique, obtain that there is loose structure, the big absorption of specific surface area is situated between Matter makes the heavy metal removing obtained efficient macromolecule pluralgel adsorbent have, and high adsorption capacity, adsorption capacity be big, selectivity Fabulous, removal efficiency is high, and preparation technology is simple, good stability, be easily recycled, do not produce secondary pollution, cheap, real With costly new green environment protection engineering material.
Detailed description of the invention
Below in conjunction with illustrating in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments. Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under not making creative work premise Other embodiments, broadly fall into the scope of protection of the invention.
The present invention provides a kind of heavy metal removing efficient macromolecule pluralgel adsorbent, by weight, by following one-tenth Part composition: activated carbon 24%, chitosan 20%, triethanolamine 8%, improved silica 26%, citric acid 14%, heavy metal complexing agent ETO 4%, heavy metal complexing agent HgQO 4%.
The present invention also provides for the preparation method of a kind of heavy metal removing efficient macromolecule pluralgel adsorbent, including as follows Step:
The first step, citric acid added fill in the rustless steel stirred tank of 100% water, start mixing speed and control 240 turns/min, Deng citric acid all dissolve put into again chitosan stirring obtain chitosan solution all to be dissolved by chitosan, then at described shell Polysaccharide solution adds activated carbon stirring 1.2h, add, heavy metal complexing agent ETO, heavy metal complexing agent HgQO continues stir 1.2h, controls 220 turns/min of mixing speed and obtains mixed solution { I }；
Second step, triethanolamine is added in first step mixed solution { I } mixing speed control 220 turns/min, 2.5h and heat up 90 DEG C obtain mixed solution { II }；
3rd step, improved silica is added in the mixed solution { II } obtained in second step and continues to stir into solution--gel Change process i.e. obtains pluralgel；
4th step, by pluralgel through screw extruder be transported to gel particle forming machine through heating in vacuum discharge water vapour, squeeze Press, be cooled to ball-type 2.5mm pluralgel adsorbent；
Get product after 5th step, the most packaged machine subpackage.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace And modification, the scope of the present invention be defined by the appended.

Claims (2)

1. a heavy metal removing efficient macromolecule pluralgel adsorbent, it is characterised in that: by weight, by following composition Composition: activated carbon 20-30%, chitosan 15-25%, triethanolamine 5-10%, improved silica 20-30%, citric acid 5-15%, Heavy metal complexing agent ETO[1-(2-dimethylamino) ethyl-3-hydroxy-imidazoline hydrochloride] 3-5%, heavy metal complexing agent HgQO [1.3 propylene diamine tetraacethyl] 3-5%.
2. a preparation method for the heavy metal removing efficient macromolecule pluralgel adsorbent described in claim 1, including such as Lower step:
The first step, citric acid added fill in the rustless steel stirred tank of 100% water, start mixing speed control 150-300 turn/ Min, wait citric acid all dissolve put into again chitosan stirring obtain chitosan solution all to be dissolved by chitosan, then in institute State chitosan solution adds activated carbon stirring 1-1.5h, add, heavy metal complexing agent ETO, heavy metal complexing agent HgQO continue Stirring 1-1.5h, control mixing speed 150-300 turn/min obtains mixed solution { I }；
Second step, triethanolamine is added in first step mixed solution { I } mixing speed control 150-300 and turn/min, 2-3h liter Temperature 80-95 DEG C obtains mixed solution { II }；
3rd step, improved silica is added in the mixed solution { II } obtained in second step and continues to stir into solution--gel Change process i.e. obtains pluralgel；
4th step, by pluralgel through screw extruder be transported to gel particle forming machine through heating in vacuum discharge water vapour, squeeze Press, be cooled to ball-type 2-3mm pluralgel adsorbent；
Get product after 5th step, the most packaged machine subpackage.
CN201610603773.8A 2016-07-28 2016-07-28 A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof Pending CN106166479A (en)

Priority Applications (1)

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CN201610603773.8A CN106166479A (en) 2016-07-28 2016-07-28 A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201610603773.8A CN106166479A (en) 2016-07-28 2016-07-28 A kind of heavy metal removing efficient macromolecule pluralgel adsorbent and preparation method thereof

Publications (1)

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CN106166479A true CN106166479A (en) 2016-11-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454723A (en) * 2020-04-09 2020-07-28 上海园林（集团）有限公司 Soil treatment solution for treating heavy metals in polluted soil in ecological gardens
CN111675277A (en) * 2020-05-11 2020-09-18 宁波方太厨具有限公司 Activated carbon rod and preparation method thereof

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CN102389776A (en) * 2011-10-09 2012-03-28 广东省生态环境与土壤研究所 Metal heavy absorbent and preparation method and use thereof
CN102500332A (en) * 2011-10-28 2012-06-20 海南椰岛（集团）股份有限公司 Composite decoloration adsorbent for shellfish products and preparation method of composite decoloration adsorbent
CN102580682A (en) * 2012-01-17 2012-07-18 湘潭大学 Adsorbent for simultaneously removing heavy metals and phenol organics in mineral processing wastewater and preparation method thereof
CN103058878A (en) * 2013-01-14 2013-04-24 聂世保 1, 3-allyl ethylene diamine tetraacetic acid as well as preparation method and application thereof
CN105289506A (en) * 2015-11-13 2016-02-03 兰州交通大学 Multielement modified bentonite adsorption material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101805293A (en) * 2010-04-14 2010-08-18 聂世保 1 (dimethylamino) ethyl, 3-hydroxy-imidazoline hydrochloride and preparation method thereof
CN102389776A (en) * 2011-10-09 2012-03-28 广东省生态环境与土壤研究所 Metal heavy absorbent and preparation method and use thereof
CN102500332A (en) * 2011-10-28 2012-06-20 海南椰岛（集团）股份有限公司 Composite decoloration adsorbent for shellfish products and preparation method of composite decoloration adsorbent
CN102580682A (en) * 2012-01-17 2012-07-18 湘潭大学 Adsorbent for simultaneously removing heavy metals and phenol organics in mineral processing wastewater and preparation method thereof
CN103058878A (en) * 2013-01-14 2013-04-24 聂世保 1, 3-allyl ethylene diamine tetraacetic acid as well as preparation method and application thereof
CN105289506A (en) * 2015-11-13 2016-02-03 兰州交通大学 Multielement modified bentonite adsorption material and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454723A (en) * 2020-04-09 2020-07-28 上海园林（集团）有限公司 Soil treatment solution for treating heavy metals in polluted soil in ecological gardens
CN111675277A (en) * 2020-05-11 2020-09-18 宁波方太厨具有限公司 Activated carbon rod and preparation method thereof

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Application publication date: 20161130