cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent dewatering of microalgae on a Britt Dynamic Drainage Jar Cationic polyacrylamide (CPAM) Percol PR8400 obtained from Chemiplas Australia Pty Ltd. was used as flocculant. Stock solutions of 1 M concentration were prepared from KOH pellets (85% assay) and HCl (32%) for pH adjustment

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cationic flocculant polyacrylamide, cationic flocculant

cationic flocculant polyacrylamide, cationic flocculant

A wide variety of cationic flocculant polyacrylamide options are available to you, There are 570 suppliers who sells cationic flocculant polyacrylamide on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of cationic flocculant polyacrylamide supply is 99% respectively.

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cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent dewatering of microalgae on a Britt Dynamic Drainage Jar (BDDJ) Article in Separation and Purification Technology 233:116004 路 August

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cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent

Cationic polyacrylamide induced flocculation and turbulent dewatering of microalgae on a Britt Dynamic Drainage Jar Musa, Mutah , Wolf, Juliane , Stephens, Evan , Hankamer, Ben , Brown, Richard , & Rainey, Thomas (2020) Cationic polyacrylamide induced flocculation and turbulent dewatering of microalgae on a Britt Dynamic Drainage Jar.

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cationic polymers for successful flocculation of marine

Cationic polymers for successful flocculation of marine

To investigate if these cationic polymers can be used to harvest other marine species as well, Zetag 7557 and Synthofloc 5080H were tested as flocculant for flocculation and subsequent sedimentation of N. oleoabundans ().A biomass recovery of 52% 卤 1.5 and 36% 卤 11.2 was obtained when applying 10 ppm Zetag 7557 and Synthofloc 5080H, respectively.

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kinetics of polymer-induced flocculation of cellulosic

Kinetics of polymer-induced flocculation of cellulosic

The third flocculation system investigated, a high- molecular-mass cationic polyacrylamide (Mw ~ 107), also shows rapid flocculation, suggesting very rapid polymer adsorption. Theoretical values for both the macroscale and the microscale of turbulence are calculated and it is suggested that turbulent eddies may affect both fiber flocculation

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kinetics of polymer-induced flocculation of cellulosic

Kinetics of polymer-induced flocculation of cellulosic

The third flocculation system investigated, a high- molecular-mass cationic polyacrylamide (M^. ~ 10'), also shows rapid flocculation, suggesting very rapid polymer adsorption. Theoretical values for both the macroscale and the microscale of turbulence are calculated and it is suggested that turbulent eddies may affect both fiber flocculation

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polyacrylamide degradation and its implications

Polyacrylamide degradation and its implications

High molecular weight (106鈥? 脳 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and friction

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anionic polyacrylamide price soil stabilizer for erosion

Anionic Polyacrylamide Price Soil Stabilizer For Erosion

Polyacrylamide, abbr. PAM, is a kind of water soluble polymer, has unique effect to increase the viscosity of water or to promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid.

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flocculation mechanism induced by cationic polymers

Flocculation Mechanism Induced by Cationic Polymers

Three cationic polymers with molecular weights and charge densities of 3.0 脳 105 g/mol and 10%, 1.1 脳 105 g/mol and 40%, and 1.2 脳 105 g/mol and 100% were chosen as flocculants to aggregate silica particles (90 nm), under various conditions, including change in polymer dosage, particle concentration, background electrolyte concentration, and shear rate.

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effect of water cationic content on flocculation, flocs

Effect of Water Cationic Content on Flocculation, Flocs

In papermaking, mill water closure may result in a significant increase of inorganic salts in the white water. The effect of these contaminants on the performance of retention aids was evaluated, in this study, through flocculation of Precipitated Calcium Carbonate with three very high molecular weight cationic polyacrylamides of medium charge density and with different degrees of branching

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magnetic flocculants synthesized by fe 3 o 4 coated with

Magnetic flocculants synthesized by Fe 3 O 4 coated with

A novel magnetic flocculant (CPAMF) was synthesized by using Fe3O4 coated with cationic polyacrylamide (CPAM) for flocculation of high turbid water. The surface morphology and chemical structures of CPAMF were confirmed by Fourier transform infrared spectroscopy (FTIR) and thermo-gravimetric analysis (TGA). X-ray diffraction (XRD) was employed to verify the crystal structure of CPAMF.

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laminar and turbulent shear鈥恑nduced flocculation

Laminar and turbulent shear鈥恑nduced flocculation

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on the mechanism of cationic-polyacrylamide-induced

On the mechanism of cationic-polyacrylamide-induced

The adsorption of cationic polyacrylamide on pulp fibers and the induced fiber flocculation have been measured at contact times relevant to the practical application of retention aids. In accordance with the La Mer model for bridging flocculation, a maximum in flocculation was found around 50% surface coverage by the polymer and re-dispersion

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coagulation/flocculation process for produced water treatment

Coagulation/Flocculation Process for Produced Water Treatment

2.1.1 KlarAid CDP1326 is a strongly cationic, high charge and molecular weight, liquid coagulant. Its chemical name is ferric sulphate 25%. 2.1.2 KlarAid PC1195 is a strongly cationic, medium molecular weight, liquid coagulant. Its chemical name is 1,2-Ethanediamine, polymer with

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liquid / solids separation in wastewater treatment

LIQUID / SOLIDS SEPARATION IN WASTEWATER TREATMENT

cationic polyacrylamide chcchhch 2222鈥撯€撯€撯€揷 c c ch cchhch 2222---c-ccc c=o c=o nnnn nhnnhhnh 222 oooo r鈥檙r鈥欌€檙鈥?m n random copolymer m + n = 1 hhh (ch 2222)))2222 chcchhch 333 hhhh3c chcchhch 3333 + cl copolymerization yellow = acrylamide; blue = cat 10% cationic charge

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performance of cationic polyacrylamides in papermaking

PERFORMANCE OF CATIONIC POLYACRYLAMIDES IN PAPERMAKING

PERFORMANCE OF CATIONIC POLYACRYLAMIDES IN PAPERMAKING - FLOCCULATION, DRAINAGE AND RETENTION Pinheiro I. 1, Ferreira P. 1*, Garcia F. P. 2, Wandrey C. 3, Amaral L. 4, Hunkeler D. 5, Rasteiro M. G. 1 1 Research Centre for Chemical Processes Engineering and Forest Products, Chemical Engineering Department, Coimbra University, PORTUGAL, paulo@eq

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cationic polyacrylamide emulsion with ultra-high

Cationic polyacrylamide emulsion with ultra-high

The mechanism on the flocculation process could be explained as follows (Razali et al. 2011): the cationic polyacrylamide has a certain proportion of cationic groups (about 25%) and a long molecular chain. In the flocculation process of papermaking wastewater, the cation groups at one end of the cationic acrylamide chain adsorbs the anionic

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freshwater microalgae harvested via flocculation induced

Freshwater microalgae harvested via flocculation induced

Thus, a flocculation zone was attained when pH was lower than 5.0. The efficiencies reached a maximum at about pH 4.0 and then reached a plateau, with a slight decrease when pH was lower than 2.0. These results showed that flocculation induced by pH decrease is a useful method to harvest the three species of freshwater microalgae.

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laminar and turbulent shear鈥恑nduced flocculation

Laminar and turbulent shear鈥恑nduced flocculation

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an effective flocculation method to the kaolin wastewater

An Effective Flocculation Method to the Kaolin Wastewater

P(AM-DMC) (PAD) was synthesized by ultraviolet- (UV-) initiated copolymerization with methacryloxyethyl trimethyl ammonium chloride (DMC) and acrylamide (AM) as the monomers and initiator 2,2-azobis [2-(2-imidazolin-2-yl) propane] dihydrochloride (VA-044) as the photoinitiator. Parameters that affect the molecular weight were reviewed by using the single-factor approach.

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coagulation and fragmentation: universal steady鈥恠tate

Coagulation and fragmentation: Universal steady鈥恠tate

Yizhou Sang, Aiguo Lin, Xinliang Liu, Population balance modeling of cationic polyacrylamide (CPAM) induced flocculation process for lignin recovery from the pre-hydrolysis liquor of kraft pulping process, Separation and Purification Technology, 10.1016/j.seppur.2019.03.090, 221, (152-158), (2019).

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coagulation/flocculation process for produced water treatment

Coagulation/Flocculation Process for Produced Water Treatment

2.1.1 KlarAid CDP1326 is a strongly cationic, high charge and molecular weight, liquid coagulant. Its chemical name is ferric sulphate 25%. 2.1.2 KlarAid PC1195 is a strongly cationic, medium molecular weight, liquid coagulant. Its chemical name is 1,2-Ethanediamine, polymer with

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polymer flocculants - tramfloc, inc.

Polymer Flocculants - Tramfloc, Inc.

Contact Us! 6046 FM 2920 Rd. #615 Spring, TX, 77379. water@tramfloc.com Phone 888-929-8973 Fax 480-383-6895

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on the mechanism of cationic-polyacrylamide-induced

On the mechanism of cationic-polyacrylamide-induced

The adsorption of cationic polyacrylamide on pulp fibers and the induced fiber flocculation have been measured at contact times relevant to the practical application of retention aids. In accordance with the La Mer model for bridging flocculation, a maximum in flocculation was found around 50% surface coverage by the polymer and re-dispersion

Get Price
magnetic flocculants synthesized by fe 3 o 4 coated with

Magnetic flocculants synthesized by Fe 3 O 4 coated with

A novel magnetic flocculant (CPAMF) was synthesized by using Fe3O4 coated with cationic polyacrylamide (CPAM) for flocculation of high turbid water. The surface morphology and chemical structures of CPAMF were confirmed by Fourier transform infrared spectroscopy (FTIR) and thermo-gravimetric analysis (TGA). X-ray diffraction (XRD) was employed to verify the crystal structure of CPAMF.

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floc breakup in turbulent flocculation processes | scinapse

Floc Breakup in Turbulent Flocculation Processes | Scinapse

Floc Breakup in Turbulent Flocculation Processes. Population balance modeling of cationic polyacrylamide (CPAM) induced flocculation process for lignin recovery from the pre-hydrolysis liquor of kraft pulping process Abstract In order to predict and control the CPAM induced flocculation process for lignin recovery and subsequent

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aging and loss of flocculation activity of aqueous

Aging and loss of flocculation activity of aqueous

Esau Arinaitwe and Marek Pawlik, A role of flocculant chain flexibility in flocculation of fine quartz. Part I. Intrinsic viscosities of polyacrylamide-based flocculants, International Journal of Mineral Processing, 10.1016/j.minpro.2013.01.006, 124, (50-57), (2013).

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in situ polymer flocculation and growth in taylor-couette

In situ polymer flocculation and growth in Taylor-Couette

The flocculation of these 31 particulates in water treatment, however, are subject to a wide spatial variation of hydrodynamic 32 flow states, which has consequences for floc size, growth rate, and microstructure. Floc assembly 33 dynamics are explored here using a commercially available cationic polyacrylamide, commonly

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microparticle system in flocculation and retention

Microparticle System in Flocculation and Retention

2.6. Flocculation of Pulp Suspension The concentration of the pulp suspension was diluted to 0.2 wt % with distilled water. For the 铿俹cculation induced by CPAM, the suspension with a di erent proportion of CPAM was shaken several times and left out for 30 min. The top of the suspension was then collected for turbidity measurement.

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utilizing cellulose nanofibril as an eco-friendly

Utilizing cellulose nanofibril as an eco-friendly

"Utilizing cellulose nanofibril as an eco-friendly flocculant for filler flocculation in papermaking," BioRes. 11(4), 10296-10313. Abstract Cellulose nanofibril (CNF) is a type of nano-sized cellulosic material with a high aspect ratio and a large specific surface area, which makes it a promising additive to flocculate particles such as fillers.

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asian journal of chemistry; vol. 26, no. 3 (2014), 629-633

Asian Journal of Chemistry; Vol. 26, No. 3 (2014), 629-633

cationic polyacrylamide through second generation solution polymerization at the first time. Up to now, synthesis tec hno-logies of CP AM had e xper ienced a lot of de velopments, inc lu-ding fr ee r adical copol ymer iza tion method , cationic modif ica-tion of PAM methods and cationic grafting polymerization methods11,12. The modif ica tion

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