• novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    2010-09-15· It is believed that the mechanism of KPS initiated graft copolymerization is the abstracting hydrogen atom from pullulan and producing PO macroradical at the OH sites of the polysaccharide molecule,, .The suggested reaction path for the graft reaction of pullulan is shown in Fig. 1.The average number of grafting sites per backbone of the pullulan molecule depends on the ratio of the

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based on pullulan Article in Journal of hazardous materials 181(1-3):351-8 · September 2010 with 40 Reads How we measure 'reads'

  • (pdf) novel biodegradable flocculanting agents based

    (PDF) Novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based on pullulan

  • novel thermosensitive flocculanting agent based

    Novel thermosensitive flocculanting agent based

    Novel thermosensitive flocculanting agent based on pullulan Article in Journal of hazardous materials 192(3):1009-16 · June 2011 with 30 Reads How we measure 'reads'

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    2010-05-11· Novel biodegradable flocculanting agents based on cationic amphiphilic polysaccharides. Ghimici L,Nichifor M Bioresour Technol,101(22):8549-8554, 15 Jul 2010

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    Request PDF Novel biodegradable flocculanting agents based on cationic amphiphilic polysaccharides Flocculation properties of a series of cationic polysaccharides, with N

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    Flocculation of clay dispersion by some biodegradable hydrophobically modified cationic polyelectrolytes based on dextran is strongly influenced by polymer hydrophobicity and charge density, but less by molar mass. The combined information supplied by turbidity, zeta potential and laser diffraction measurements were consistent with

  • novel thermosensitive flocculanting agent based on pullulan

    Novel thermosensitive flocculanting agent based on pullulan

    2011-09-15· A novel thermosensitive flocculant was obtained by graft-polymerization of pNIPAAm onto pullulan. The flocculation study showed that the polymer based on pullulan exhibited good flocculation properties for clay suspension at temperature both below and above LCST. The combined information supplied by turbidity, laser diffraction and SEM

  • novel thermosensitive flocculanting agent based on pullulan

    Novel thermosensitive flocculanting agent based on pullulan

    Highlights New linear thermosensitive polysaccharide based on pullulan was synthesized. Flocculation efficiency was studied in function of temperature. The polymer exhibited good flocculation properties both below and above LCST. Particles flocculation is determined mainly by

  • flocculation characteristics of a biodegradable polymer

    Flocculation characteristics of a biodegradable polymer

    The polymer code is D40-MeIm36, where D means dextran, 40 is dextran molar mass in kg mol −1, MeIm (methyl imidazolium), and 36 = is the degree of substitution (DS) with cationic groups; DS is expressed as moles of amino groups per 100 glucopyranosidic units and is calculated with formula DS = 100x/(x + y), where x and y are the molar fraction of substituted and unsubstituted glucosidic

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    Flocculation of clay dispersion by some biodegradable hydrophobically modified cationic polyelectrolytes based on dextran is strongly influenced by polymer hydrophobicity and charge density, but less by molar mass. The combined information supplied by turbidity, zeta potential and laser diffraction measurements were consistent with

  • journal of hazardous materials vol 181, issues 1–3

    Journal of Hazardous Materials Vol 181, Issues 1–3

    Journal of Hazardous Materials. Supports open access. Articles in press Latest issue Article collections All issues Submit your article. Search in this journal. Volume 181, Issues 1–3 Pages 1-1186 (15 September 2010) Previous vol/issue. Next vol/issue. Actions for selected articles. Select all / Deselect all. Download PDFs Export citations. Show all article previews Show all article previews

  • novel biodegradable flocculating agents based

    Novel Biodegradable Flocculating Agents Based

    Request PDF Novel Biodegradable Flocculating Agents Based on Grafted Starch Family for the Industrial Effluent Treatment Grafting of acrylamide (AM), N,N

  • novel biodegradable flocculanting agents based

    Novel biodegradable flocculanting agents based

    2010-11-01· Read "Novel biodegradable flocculanting agents based on cationic amphiphilic polysaccharides, Bioresource Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • fiŞa de verificare acad

    FIŞA DE VERIFICARE Acad

    Novel thermosensitive flocculanting agent based on pullulan J. Hazard. Mater. 192 (2011) 1009-1016 6.434 6.434 6.434 6.434 3 Luminita Ghimici, Marieta Nichifor Novel biodegradable flocculanting agents based on cationic amphiphilic polysaccharides Biores. Technol. 101 (2010) 8549-8554 5.807 5.807 5.807 5.807

  • novel biodegradable flocculating agents based

    Novel Biodegradable Flocculating Agents Based

    Abstract. Grafting of acrylamide (AM), N,N-dimethylacrylamide (DMA) and a mixture of N,N-dimethylacrylamide and acrylic acid (AA) onto starch family namely Starch (St), amylopectin (AP) and hydroxyethyl starch (HES) were carried out by free radical polymerization technique in water medium.The so prepared graft copolymers were characterized by different characterization techniques.

  • the chemistry of persulfate. iii. the reaction

    The Chemistry of Persulfate. III. The Reaction

    Studies on graft copolymerization of 3-acrylamidopropyl trimethylammonium chloride on pullulan. Carbohydrate Polymers 2011, 84 (3),926-932. DOI: 10.1016/j.carbpol.2010.12.043. Luminita Ghimici, Marieta Constantin, Gheorghe Fundueanu. Novel biodegradable flocculanting agents based on pullulan.

  • pullulan‐based films and coatings for food packaging

    Pullulan‐based films and coatings for food packaging

    A film‐based oral care product containing pullulan is commercialized in many countries under the brand name Listerine. 20 Minor uses of pullulan include photographic, lithographic, optic, and electronic applications, and uses in chromatography as a molecular weight standard have also been reported. 13, 19, 21, 22 More recently, pullulan has

  • synthesis and characterization of hybrid flocculant

    Synthesis and Characterization of Hybrid Flocculant

    A novel hybrid flocculant of acrylamide and cellulose was synthesized by using microwave irradiation method. Cellulose was extracted from kenaf by using TAPPI method. 57.4% of percentage grafting and efficiency has been obtained from the grafting process. The hybrid flocculant properties were characterized by using FTIR spectroscopy, FESEM and elemental analysis.

  • cellulose-g-pam derived from kenaf for ethyl orange

    Cellulose-g-PAM Derived from Kenaf for Ethyl Orange

    A novel hybrid flocculant of acrylamide and cellulose was synthesized by using microwave irradiation method. Cellulose was extracted from kenaf by using TAPPI method. 57.4% of percentage grafting and efficiency has been obtained from the grafting process. There are additional peaks that appeared in FTIR spectroscopy analysis that show PAM was grafted into cellulose backbone.

  • novel biodegradable flocculating agents based

    Novel Biodegradable Flocculating Agents Based

    Abstract. Grafting of acrylamide (AM), N,N-dimethylacrylamide (DMA) and a mixture of N,N-dimethylacrylamide and acrylic acid (AA) onto starch family namely Starch (St), amylopectin (AP) and hydroxyethyl starch (HES) were carried out by free radical polymerization technique in water medium.The so prepared graft copolymers were characterized by different characterization techniques.

  • coagulation and sedimentation of concentrated laterite

    Coagulation and Sedimentation of Concentrated Laterite

    2018-08-17· Coagulation and sedimentation performances of aluminum sulphate and ferric chloride were comparatively investigated in presence of Grewia spp. biopolymer for the treatment of concentrated laterite suspensions. Jar tests experiments were carried out at different laterite suspension concentrations (10, 20, and 30 g/L) and pH values (5 and 7).

  • the chemistry of persulfate. iii. the reaction

    The Chemistry of Persulfate. III. The Reaction

    Studies on graft copolymerization of 3-acrylamidopropyl trimethylammonium chloride on pullulan. Carbohydrate Polymers 2011, 84 (3),926-932. DOI: 10.1016/j.carbpol.2010.12.043. Luminita Ghimici, Marieta Constantin, Gheorghe Fundueanu. Novel biodegradable flocculanting agents based on pullulan.

  • preparation and characterization of gum karaya hydrogel

    Preparation and characterization of gum karaya hydrogel

    2015-12-14· Ghimici L, Constantin M, Fundueanu G (2012) Novel biodegradable flocculanting agents based on pullulan. J Hazard Mater 181:351–358 CrossRef Google Scholar Ghorai S, Sarkar A, Raoufi M, Panda AB, Schönherr H, Pal S (2014) Enhanced removal of methylene blue and methyl violet dyes from aqueous solution using a nanocomposite of hydrolyzed polyacrylamide grafted xanthan gum and

  • novel biodegradable flocculating agents prepared

    Novel biodegradable flocculating agents prepared

    2007-02-19· Read "Novel biodegradable flocculating agents prepared by phosphate modification of Konjac, Carbohydrate Polymers" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • effect of hydrolysis degree of hydrolyzed polyacrylamide

    Effect of hydrolysis degree of hydrolyzed polyacrylamide

    2013-07-27· Ghimici L, Constantin M, Fundueanu G (2010) Novel biodegradable flocculanting agents based on pullulan. J Hazard Mater 181:351–358 CrossRef Google Scholar Guo YZ, Liu QL, Chen H et al (2013) Direct grafting modification of pulp in ionic liquids and self-assembly behavior of

  • advanced turbulent drag reducing and flocculating

    Advanced Turbulent Drag Reducing and Flocculating

    Synthetic Polyacrylamide based polymers and polysaccharides such as guar gum, xanthan gum carboxymethylcellulose and starch have been used for long. The Polyacrylamides are easily amenable to shear degradation although they are very efficient drag reducing and flocculating agents even at low ppm concentrations. On the other hand polysaccharides

  • cellulose-g-pam derived from kenaf for ethyl orange

    Cellulose-g-PAM Derived from Kenaf for Ethyl Orange

    A novel hybrid flocculant of acrylamide and cellulose was synthesized by using microwave irradiation method. Cellulose was extracted from kenaf by using TAPPI method. 57.4% of percentage grafting and efficiency has been obtained from the grafting process. There are additional peaks that appeared in FTIR spectroscopy analysis that show PAM was grafted into cellulose backbone.

  • synthesis of amphoteric starch-based grafting

    Synthesis of amphoteric starch-based grafting

    2014-05-15· Read "Synthesis of amphoteric starch-based grafting flocculants for flocculation of both positively and negatively charged colloidal contaminants from water, Chemical Engineering Journal" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • efficient delivery of paclitaxel into asgpr deepdyve

    Efficient delivery of paclitaxel into ASGPR DeepDyve

    2017-03-01· Read "Efficient delivery of paclitaxel into ASGPR over-expressed cancer cells using reversibly stabilized multifunctional pullulan nanoparticles, Carbohydrate Polymers" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • synthesis of amphoteric starch-based grafting

    Synthesis of amphoteric starch-based grafting

    2014-05-15· Read "Synthesis of amphoteric starch-based grafting flocculants for flocculation of both positively and negatively charged colloidal contaminants from water, Chemical Engineering Journal" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • activitatea stiintifica acad

    ACTIVITATEA STIINTIFICA Acad

    anionic dyes from aqueous solutions by an ion-exchanger based on pullulan microspheres, Carbohydrate Polymers 91(1), 74-84, 2013. 5.158 14. Constantin M., Mihalcea I., Oanea I., Harabagiu V., Fundueanu G*., Studies on graft copolymerization of 3-acrylamidopropyl trimethylammonium chloride on pullulan,

  • a novel biodegradable cinnamic acid grafted

    A Novel Biodegradable Cinnamic Acid Grafted

    Cinnamic acid grafted carboxymethyl cellulose (CMC-g-P (CA)) has been synthesized by microwave assisted technique, which is an alliance of microwave radiation with chemical free radical initiator (CAN) to commence grafting. The novel graft copolymer has been characterized by physicochemical techniques FTIR spectroscopy, intrinsic viscosity measurement, elemental analysis (C, H and N), SEM

  • for peer review unimi.it

    For Peer Review unimi.it

    dyes 23 and to generate novel biodegradable flocculating agents.24 The growing interest in this exopolysaccaride is demonstrated by the relatively large number of reviews and book chapters about it in the last 15 years 1,2,7,9–11,13,19,20,25–30 as well as by the

  • flocculation and adsorption properties of biodegradable

    Flocculation and adsorption properties of biodegradable

    2015-01-22· Novel biodegradable flocculanting agents based on pullulan Ghimici, L.; Constantin, M.; Fundueanu, G. Enhanced removal of methylene blue and methyl violet dyes from aqueous solution using a nanocomposite of hydrolyzed polyacrylamide grafted xanthan gum and incorporated nanosilica

  • novel polyelectrolyte carboxymethyl konjac glucomannan

    Novel Polyelectrolyte Carboxymethyl Konjac Glucomannan

    Chenxin Xie, Yujun Feng, Weiping Cao, Houkai Teng, Jufeng Li and Zhiyong Lu, Novel biodegradable flocculating agents prepared by grafting polyacrylamide to Konjac, Journal of Applied Polymer Science, 111, 5, (2527-2536), (2008).

  • biodegradable drag reducing agents and flocculants

    Biodegradable Drag Reducing Agents and Flocculants

    Free Online Library: Biodegradable Drag Reducing Agents and Flocculants Based on Polysaccharides: Materials and Applications [*]. by "Polymer Engineering and Science"; Engineering and manufacturing Science and technology, general Flocculation Analysis Flocculation tests Polymers Research Sewage irrigation Equipment and supplies Water purification equipment and supplies

  • csiro publishing the appea journal

    CSIRO PUBLISHING The APPEA Journal

    Novel biodegradable flocculating agents based on grafted starch family for the industrial effluent treatment. Journal of Polymers and the Environment 25,408–418. Novel biodegradable flocculating agents based on grafted starch family for the industrial effluent treatment.

  • synthesis and characterization of cyclodextrin-based

    Synthesis and characterization of cyclodextrin-based

    A novel hydrophobic and cationic cyclodextrin-based acrylamide flocculant (AM-β-CD-DMDAAC) was prepared by chemical oxidative polymerization to adsorb water-soluble dyes in dye wastewater. Fourier

  • lista lucrari 2010 www

    Lista lucrari 2010 www

    New nanocomposites based on epoxy resins reinforced with modified montmorillonite International Journal of Polymer Analysis and Characterization, 15, 497-508 (2010) 61. L. Ghimici, M. Nichifor Novel biodegradable flocculating agents based on cationic amphiphilic polysaccharides Bioresource Technology, 101, 8549-8554 (2010) 62. L. Ghimici, M

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