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A Novel Hyperbranched Polymeric Flocculant for Waste-Water Treatment
Cationic hyperbranched oligomer poly( N -acryloyl-1,2-diaminoethane hydrochloride) (HADE) was firstly synthesized by Michael addition reaction. And then, a series of cationic flocculants poly(acrylamide/ N -acryloyl-1,2-diaminoethane hydrochlorides) (PAM-HADEs) with hyperbranched structure was prepa...
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Published in: | Journal of polymers and the environment 2018-07, Vol.26 (7), p.2782-2792 |
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creator | Xu, Kun Wang, Haiwei Liang, Xuechen Tan, Ying Yao, Xianping Wang, Pixin |
description | Cationic hyperbranched oligomer poly(
N
-acryloyl-1,2-diaminoethane hydrochloride) (HADE) was firstly synthesized by Michael addition reaction. And then, a series of cationic flocculants poly(acrylamide/
N
-acryloyl-1,2-diaminoethane hydrochlorides) (PAM-HADEs) with hyperbranched structure was prepared from HADE as macro-monomer and acrylamide (AM). The structures of PAM-HADEs were characterized by Fourier transform infrared spectrometry,
1
H and
13
C nuclear magnetic resonance spectroscopy, gel permeation chromatography (GPC) and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF). And the properties were systematically evaluated by intrinsic viscosity, zeta potential and hydrodynamic radius. The mechanism of the cationic hyperbranched copolymer used in water treatment was extensively studied via a jar test in which the transmittance of the supernatant, settling time, and average floc size were used to evaluate the flocculability. Compared with the linear flocculant poly (acrylamide/liner-
N
-acryloyl-1,2-diaminoethane hydrochloride) (PAM-LADE), the novel hyperbranched polymeric flocculants exhibited outstanding flocculability which were reflected by shorter settlement time, high transmittance and large floc size. The primary cause that PAM-HADEs owned excellent flocculability is the more stretching configuration and less chains entanglement of PAM-HADEs in waste-water due to their hyperbranched structure compared with that of the linear PAM-LADE which exhibited curly coil configuration. On the other hand, abundant and exposed cationic terminal groups of PAM-HADEs originated from their hyperbranched structure also hint higher flocculation capacity. At optimum dosages of the polymer, the transmittance of the supernatant is less at low and high pH values, indicating that the natural pH (pH 7.29) of the suspension is the most appropriate pH for the flocculation. |
doi_str_mv | 10.1007/s10924-017-1120-4 |
format | article |
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N
-acryloyl-1,2-diaminoethane hydrochloride) (HADE) was firstly synthesized by Michael addition reaction. And then, a series of cationic flocculants poly(acrylamide/
N
-acryloyl-1,2-diaminoethane hydrochlorides) (PAM-HADEs) with hyperbranched structure was prepared from HADE as macro-monomer and acrylamide (AM). The structures of PAM-HADEs were characterized by Fourier transform infrared spectrometry,
1
H and
13
C nuclear magnetic resonance spectroscopy, gel permeation chromatography (GPC) and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF). And the properties were systematically evaluated by intrinsic viscosity, zeta potential and hydrodynamic radius. The mechanism of the cationic hyperbranched copolymer used in water treatment was extensively studied via a jar test in which the transmittance of the supernatant, settling time, and average floc size were used to evaluate the flocculability. Compared with the linear flocculant poly (acrylamide/liner-
N
-acryloyl-1,2-diaminoethane hydrochloride) (PAM-LADE), the novel hyperbranched polymeric flocculants exhibited outstanding flocculability which were reflected by shorter settlement time, high transmittance and large floc size. The primary cause that PAM-HADEs owned excellent flocculability is the more stretching configuration and less chains entanglement of PAM-HADEs in waste-water due to their hyperbranched structure compared with that of the linear PAM-LADE which exhibited curly coil configuration. On the other hand, abundant and exposed cationic terminal groups of PAM-HADEs originated from their hyperbranched structure also hint higher flocculation capacity. At optimum dosages of the polymer, the transmittance of the supernatant is less at low and high pH values, indicating that the natural pH (pH 7.29) of the suspension is the most appropriate pH for the flocculation.</description><identifier>ISSN: 1566-2543</identifier><identifier>EISSN: 1572-8919</identifier><identifier>DOI: 10.1007/s10924-017-1120-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>ACRYLAMIDE ; CARBON 13 ; Cationic polymerization ; Chain entanglement ; Chemical synthesis ; Chemistry ; Chemistry and Materials Science ; Coils ; Configurations ; COPOLYMERS ; DESORPTION ; Entanglement ; Environmental Chemistry ; Environmental Engineering/Biotechnology ; Flocculants ; FLOCCULATION ; FOURIER TRANSFORM SPECTROMETERS ; Fourier transforms ; GEL PERMEATION CHROMATOGRAPHY ; Hydrochlorides ; HYDROGEN 1 ; Industrial Chemistry/Chemical Engineering ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; Ionization ; Ions ; Jar tests ; Lasers ; Liquid chromatography ; Magnetic resonance spectroscopy ; Mass spectrometry ; MASS SPECTROSCOPY ; Materials Science ; Michael reaction ; NMR ; NUCLEAR MAGNETIC RESONANCE ; Original Paper ; pH effects ; PH VALUE ; Polymer Sciences ; Polymers ; Scientific imaging ; Spectroscopy ; TIME-OF-FLIGHT METHOD ; Transmittance ; Viscosity ; WASTE WATER ; Wastewater treatment ; Water treatment ; Zeta potential</subject><ispartof>Journal of polymers and the environment, 2018-07, Vol.26 (7), p.2782-2792</ispartof><rights>Springer Science+Business Media, LLC 2017</rights><rights>Journal of Polymers and the Environment is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-1b756e9c4430c0fe39beff6d923ed4a75e7f45758d99081445e9094cf1048dce3</citedby><cites>FETCH-LOGICAL-c381t-1b756e9c4430c0fe39beff6d923ed4a75e7f45758d99081445e9094cf1048dce3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22788097$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Kun</creatorcontrib><creatorcontrib>Wang, Haiwei</creatorcontrib><creatorcontrib>Liang, Xuechen</creatorcontrib><creatorcontrib>Tan, Ying</creatorcontrib><creatorcontrib>Yao, Xianping</creatorcontrib><creatorcontrib>Wang, Pixin</creatorcontrib><title>A Novel Hyperbranched Polymeric Flocculant for Waste-Water Treatment</title><title>Journal of polymers and the environment</title><addtitle>J Polym Environ</addtitle><description>Cationic hyperbranched oligomer poly(
N
-acryloyl-1,2-diaminoethane hydrochloride) (HADE) was firstly synthesized by Michael addition reaction. And then, a series of cationic flocculants poly(acrylamide/
N
-acryloyl-1,2-diaminoethane hydrochlorides) (PAM-HADEs) with hyperbranched structure was prepared from HADE as macro-monomer and acrylamide (AM). The structures of PAM-HADEs were characterized by Fourier transform infrared spectrometry,
1
H and
13
C nuclear magnetic resonance spectroscopy, gel permeation chromatography (GPC) and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF). And the properties were systematically evaluated by intrinsic viscosity, zeta potential and hydrodynamic radius. The mechanism of the cationic hyperbranched copolymer used in water treatment was extensively studied via a jar test in which the transmittance of the supernatant, settling time, and average floc size were used to evaluate the flocculability. Compared with the linear flocculant poly (acrylamide/liner-
N
-acryloyl-1,2-diaminoethane hydrochloride) (PAM-LADE), the novel hyperbranched polymeric flocculants exhibited outstanding flocculability which were reflected by shorter settlement time, high transmittance and large floc size. The primary cause that PAM-HADEs owned excellent flocculability is the more stretching configuration and less chains entanglement of PAM-HADEs in waste-water due to their hyperbranched structure compared with that of the linear PAM-LADE which exhibited curly coil configuration. On the other hand, abundant and exposed cationic terminal groups of PAM-HADEs originated from their hyperbranched structure also hint higher flocculation capacity. At optimum dosages of the polymer, the transmittance of the supernatant is less at low and high pH values, indicating that the natural pH (pH 7.29) of the suspension is the most appropriate pH for the flocculation.</description><subject>ACRYLAMIDE</subject><subject>CARBON 13</subject><subject>Cationic polymerization</subject><subject>Chain entanglement</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Coils</subject><subject>Configurations</subject><subject>COPOLYMERS</subject><subject>DESORPTION</subject><subject>Entanglement</subject><subject>Environmental Chemistry</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Flocculants</subject><subject>FLOCCULATION</subject><subject>FOURIER TRANSFORM SPECTROMETERS</subject><subject>Fourier transforms</subject><subject>GEL PERMEATION CHROMATOGRAPHY</subject><subject>Hydrochlorides</subject><subject>HYDROGEN 1</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>Ionization</subject><subject>Ions</subject><subject>Jar tests</subject><subject>Lasers</subject><subject>Liquid chromatography</subject><subject>Magnetic resonance spectroscopy</subject><subject>Mass spectrometry</subject><subject>MASS SPECTROSCOPY</subject><subject>Materials Science</subject><subject>Michael reaction</subject><subject>NMR</subject><subject>NUCLEAR MAGNETIC RESONANCE</subject><subject>Original Paper</subject><subject>pH effects</subject><subject>PH VALUE</subject><subject>Polymer Sciences</subject><subject>Polymers</subject><subject>Scientific imaging</subject><subject>Spectroscopy</subject><subject>TIME-OF-FLIGHT METHOD</subject><subject>Transmittance</subject><subject>Viscosity</subject><subject>WASTE WATER</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><subject>Zeta potential</subject><issn>1566-2543</issn><issn>1572-8919</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kMFKAzEQQIMoWKsf4G3BczSTzW42x1KtFUQ9VHoMaXZit2w3NUmF_r27VNCLp5nDe8PwCLkGdguMybsITHFBGUgKwBkVJ2QEheS0UqBOh70sKS9Efk4uYtwwxlTvjcj9JHvxX9hm88MOwyqYzq6xzt58e9hiaGw2a721-9Z0KXM-ZEsTE9KlSRiyRUCTttilS3LmTBvx6meOyfvsYTGd0-fXx6fp5JnavIJEYSWLEpUVImeWOczVCp0ra8VzrIWRBUonCllUtVKsAiEKVEwJ64CJqraYj8nN8a6PqdHRNgnt2vquQ5s057KqmJK_1C74zz3GpDd-H7r-MQ1KyhJKCQMFR8oGH2NAp3eh2Zpw0MD0kFQfk-o-qR6SatE7_OjEnu0-MPy5_K_0DYfGd2Y</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Xu, Kun</creator><creator>Wang, Haiwei</creator><creator>Liang, Xuechen</creator><creator>Tan, Ying</creator><creator>Yao, Xianping</creator><creator>Wang, Pixin</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>OTOTI</scope></search><sort><creationdate>20180701</creationdate><title>A Novel Hyperbranched Polymeric Flocculant for Waste-Water Treatment</title><author>Xu, Kun ; Wang, Haiwei ; Liang, Xuechen ; Tan, Ying ; Yao, Xianping ; Wang, Pixin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c381t-1b756e9c4430c0fe39beff6d923ed4a75e7f45758d99081445e9094cf1048dce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ACRYLAMIDE</topic><topic>CARBON 13</topic><topic>Cationic polymerization</topic><topic>Chain entanglement</topic><topic>Chemical synthesis</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Coils</topic><topic>Configurations</topic><topic>COPOLYMERS</topic><topic>DESORPTION</topic><topic>Entanglement</topic><topic>Environmental Chemistry</topic><topic>Environmental Engineering/Biotechnology</topic><topic>Flocculants</topic><topic>FLOCCULATION</topic><topic>FOURIER TRANSFORM SPECTROMETERS</topic><topic>Fourier transforms</topic><topic>GEL PERMEATION CHROMATOGRAPHY</topic><topic>Hydrochlorides</topic><topic>HYDROGEN 1</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>Ionization</topic><topic>Ions</topic><topic>Jar tests</topic><topic>Lasers</topic><topic>Liquid chromatography</topic><topic>Magnetic resonance spectroscopy</topic><topic>Mass spectrometry</topic><topic>MASS SPECTROSCOPY</topic><topic>Materials Science</topic><topic>Michael reaction</topic><topic>NMR</topic><topic>NUCLEAR MAGNETIC RESONANCE</topic><topic>Original Paper</topic><topic>pH effects</topic><topic>PH VALUE</topic><topic>Polymer Sciences</topic><topic>Polymers</topic><topic>Scientific imaging</topic><topic>Spectroscopy</topic><topic>TIME-OF-FLIGHT METHOD</topic><topic>Transmittance</topic><topic>Viscosity</topic><topic>WASTE WATER</topic><topic>Wastewater treatment</topic><topic>Water treatment</topic><topic>Zeta potential</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Kun</creatorcontrib><creatorcontrib>Wang, Haiwei</creatorcontrib><creatorcontrib>Liang, Xuechen</creatorcontrib><creatorcontrib>Tan, Ying</creatorcontrib><creatorcontrib>Yao, Xianping</creatorcontrib><creatorcontrib>Wang, Pixin</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central</collection><collection>Agricultural & 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USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>OSTI.GOV</collection><jtitle>Journal of polymers and the environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Kun</au><au>Wang, Haiwei</au><au>Liang, Xuechen</au><au>Tan, Ying</au><au>Yao, Xianping</au><au>Wang, Pixin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Novel Hyperbranched Polymeric Flocculant for Waste-Water Treatment</atitle><jtitle>Journal of polymers and the environment</jtitle><stitle>J Polym Environ</stitle><date>2018-07-01</date><risdate>2018</risdate><volume>26</volume><issue>7</issue><spage>2782</spage><epage>2792</epage><pages>2782-2792</pages><issn>1566-2543</issn><eissn>1572-8919</eissn><abstract>Cationic hyperbranched oligomer poly(
N
-acryloyl-1,2-diaminoethane hydrochloride) (HADE) was firstly synthesized by Michael addition reaction. And then, a series of cationic flocculants poly(acrylamide/
N
-acryloyl-1,2-diaminoethane hydrochlorides) (PAM-HADEs) with hyperbranched structure was prepared from HADE as macro-monomer and acrylamide (AM). The structures of PAM-HADEs were characterized by Fourier transform infrared spectrometry,
1
H and
13
C nuclear magnetic resonance spectroscopy, gel permeation chromatography (GPC) and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF). And the properties were systematically evaluated by intrinsic viscosity, zeta potential and hydrodynamic radius. The mechanism of the cationic hyperbranched copolymer used in water treatment was extensively studied via a jar test in which the transmittance of the supernatant, settling time, and average floc size were used to evaluate the flocculability. Compared with the linear flocculant poly (acrylamide/liner-
N
-acryloyl-1,2-diaminoethane hydrochloride) (PAM-LADE), the novel hyperbranched polymeric flocculants exhibited outstanding flocculability which were reflected by shorter settlement time, high transmittance and large floc size. The primary cause that PAM-HADEs owned excellent flocculability is the more stretching configuration and less chains entanglement of PAM-HADEs in waste-water due to their hyperbranched structure compared with that of the linear PAM-LADE which exhibited curly coil configuration. On the other hand, abundant and exposed cationic terminal groups of PAM-HADEs originated from their hyperbranched structure also hint higher flocculation capacity. At optimum dosages of the polymer, the transmittance of the supernatant is less at low and high pH values, indicating that the natural pH (pH 7.29) of the suspension is the most appropriate pH for the flocculation.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10924-017-1120-4</doi><tpages>11</tpages></addata></record> |
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subjects | ACRYLAMIDE CARBON 13 Cationic polymerization Chain entanglement Chemical synthesis Chemistry Chemistry and Materials Science Coils Configurations COPOLYMERS DESORPTION Entanglement Environmental Chemistry Environmental Engineering/Biotechnology Flocculants FLOCCULATION FOURIER TRANSFORM SPECTROMETERS Fourier transforms GEL PERMEATION CHROMATOGRAPHY Hydrochlorides HYDROGEN 1 Industrial Chemistry/Chemical Engineering INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Ionization Ions Jar tests Lasers Liquid chromatography Magnetic resonance spectroscopy Mass spectrometry MASS SPECTROSCOPY Materials Science Michael reaction NMR NUCLEAR MAGNETIC RESONANCE Original Paper pH effects PH VALUE Polymer Sciences Polymers Scientific imaging Spectroscopy TIME-OF-FLIGHT METHOD Transmittance Viscosity WASTE WATER Wastewater treatment Water treatment Zeta potential |
title | A Novel Hyperbranched Polymeric Flocculant for Waste-Water Treatment |
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