coagulation–flocculation method for the treatment of pulp

Coagulation–Flocculation Method for the Treatment of Pulp

Figure 10.12 shows the closely packed pulp and paper wastewater particles with the long-chain polyacrylamide as marked by the arrow. Pulp and paper wastewater particles are negatively charged. Cationic Organopol 5415 has effective charge-neutralizing ions, and diffusion occurs slowly into the fiber pores.

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cationic polyacrylamide flocculant for pulp and paper

Cationic Polyacrylamide Flocculant for Pulp and Paper

Cationic Polyacrylamide Flocculant Used in Pulp and Paper Sludge Dewatering Treatment . Description: Blufloc C8030 is high molecular weight cationic polyacrylamide, used for different kinds of sludge dewatering, works in belt filter, screw filter and centrifugar filter.

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treatment of pulp and paper mill wastewater

Treatment of pulp and paper mill wastewater

Cationic polyacrlyamide Organopol 5415 with very high molecular weight and low charge density is found to give the highest flocculation efficiency in the treatment of the paper mill wastewater.

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polyelectrolyte pam cationic polyacrylamide for paper

Polyelectrolyte Pam Cationic Polyacrylamide For Paper

Polyelectrolyte Pam Cationic Polyacrylamide For Paper Making Chemicals , Find Complete Details about Polyelectrolyte Pam Cationic Polyacrylamide For Paper Making Chemicals,Polyacrylamide,Cationic Polyacrylamide,Polyacrylamide For Paper Chemicals from Water Treatment Chemicals Supplier or Manufacturer-Anhui Pston Biotechnology Co., Ltd.

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pulp and paper chemicals cationic linear polyacrylamide

Pulp And Paper Chemicals Cationic Linear Polyacrylamide

Pulp And Paper Chemicals Cationic Linear Polyacrylamide , Find Complete Details about Pulp And Paper Chemicals Cationic Linear Polyacrylamide,Cationic Linear Polyacrylamide,Flocculant Polyacrylamide,Hydrolyzed Polyacrylamide from Paper Chemicals Supplier or Manufacturer-Liaocheng City Yongxing Environmental Protection Material Co., Ltd.

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flocculation of kaolin particles with cationic lignin

Flocculation of kaolin particles with cationic lignin

Among the cationic polyacrylamides that Ariffin and coworkers 42 studied in the flocculation of palm oil mill effluent, the flocculant with the molecular weight of 1.5 × 10 6 g/mol was the most

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preparations of novel flocculants and its applications

Preparations of Novel Flocculants and its Applications

Abstract Functional monomer [N-(2,4,4-trimethylpentan-2-yl)acrylamide] was synthesized and characterized by MS and NMR. A series of high molecular weight cationic polyacrylamides were prepared with N-(2,4,4-trimethylpentan-2-yl)acrylamide, acrylamide and methacryloxyethyltrimethyl ammonium chloride by copolymerization using complex initiation systems as catalysts in aqueous solution.

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treatment of pulp and paper mill wastewater

Treatment of pulp and paper mill wastewater

Organopol 5415 with very high molecular weight and low charge density is the best flocculant with highest flocculation efficiency for the treatment of the pulp and paper mill wastewater. It can achieve 95% of turbidity reduction, 98% of TSS removal, 93% of COD reduction and SVI of 14 ml g −1 at the optimum dosage of 5 mg l −1 .

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1. introduction

1. Introduction

The results show that when the pulp concentration is 30%, the polyacrylamide is cationic and the molecular weight is 10 million, the optimal content of the flocculant is 3‰, the optimum dose of the polyaluminum chloride with a content of 28 is 0.1‰, the optimum dose of polyaluminum sulfate is 1‰, and the optimum dose of polymeric ferric

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synthesis of cationic starch flocculant and properties

Synthesis of Cationic Starch Flocculant and Properties

Based on the high turbidity feature of mine water, Glutinous Rice Starch(St)- Acrylamide(AM) graft polymer cationic flocculant was synthesised by copolymerization with St and AM as materials, ammonium persulfate and sodium hydrogen sulfite as the initiator, 2.3-glycigyl trimethyl ammonium chloride were used as cationic agent. The optimum condition of cation was established through orthogonal

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a review on application of flocculants in wastewater

A review on application of flocculants in wastewater

The present review article classifies the flocculants that have been studied and applied in wastewater treatment into three categories including chemical coagulants/flocculants, natural bio-flocculants and grafted flocculants as shown in Fig. 1.Chemical coagulants/flocculants are conventionally applied in wastewater treatment and derived from chemically/petroleum-based materials.

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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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polyelectrolyte coagulant and flocculant effects - nc

Polyelectrolyte coagulant and flocculant effects - NC

– On the Mechanism of Cationic-PolyacrylamideInduced Flocculation and Re-dispersion of a Pulp Fibre Dispersion, Nordic Pulp Paper Res. J. 18: 51-55 (2003). 9. Goossens, J. W. S. and Luner, P. – Flocculation of Microcrystalline Cellulose Suspensions with Cationic Polymers – Effect of Agitation, Tappi 59(2): 89-94 (1976).

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a novel efficient cationic flocculant prepared through

A novel efficient cationic flocculant prepared through

A novel efficient cationic flocculant prepared through grafting two monomers onto chitosan induced by Gamma radiation† Jian-Ping Wang , ab Yong-Zhen Chen , a Yi Wang , b Shi-Jie Yuan , a Guo-Ping Sheng a and Han-Qing Yu * a

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introduction - mafiadoc.com

Introduction - MAFIADOC.COM

Martin A. Hubbe, Department of Wood and Paper Science, North Carolina State. University. high-mass cationic polyacrylamide (cPAM) flocculant.. project objectives could be met by using a Brookfield digital viscometer and a specially.

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hairy cationic nanocrystalline cellulose as a novel

Hairy cationic nanocrystalline cellulose as a novel

Hairy cationic nanocrystalline cellulose as a novel flocculant of clay. Details on the methodology followed to implement the regression system can be found in the cited paper. 3. Results and discussion In the case of chitosan and low charge density cationic polyacrylamide, they flocculate kaolinite mainly through a bridging mechanism

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1. introduction

1. Introduction

The results show that when the pulp concentration is 30%, the polyacrylamide is cationic and the molecular weight is 10 million, the optimal content of the flocculant is 3‰, the optimum dose of the polyaluminum chloride with a content of 28 is 0.1‰, the optimum dose of polyaluminum sulfate is 1‰, and the optimum dose of polymeric ferric

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us patent for cationic polymer flocculant prepared

US Patent for Cationic polymer flocculant prepared

New cationic flocculants are prepared by polycondensation of an epihalohydrin and Mannich reaction products of phenol, formaldehyde, and dialkylamine. The flocculants are useful for flocculation of various kinds of suspension such as various industrial waste waters, pulp slurry in paper making and the like.

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cationic cellulose betainate for wastewater treatment

Cationic cellulose betainate for wastewater treatment

Other possible uses of cellulose betainate synthetic organic flocculants, such as polyacrylamide, include, especially in the pulp and paper manufactur- cationic derivatives of acrylic acid polymers and ing processes, retention aid, anionic trash fixative or diallyldimethylammonium chloride (DADMAC) pulp dewatering agent. polymers, (2) natural

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production of flocculants, adsorbents, and dispersants

Production of Flocculants, Adsorbents, and Dispersants

molecules Review Production of Flocculants, Adsorbents, and Dispersants from Lignin Jiachuan Chen 1, Armin Eraghi Kazzaz 2, Niloofar AlipoorMazandarani 2, Zahra Hosseinpour Feizi 2 and Pedram Fatehi 1,2,* 1 Key Laboratory of Pulp and Paper Science and Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; chenjc@qlu.edu.cn

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best selling ionic polyacrylamide used in mineral processing

best selling ionic polyacrylamide used in mineral processing

anionic polyacrylamide used for mineral processing of gold/silver/copper . 1. Product characteristics. In most mineral processes where there is a flocculant requirement for either a sedimentation or centrifugation application then a high or ultra high molecular weight product is desired. Nonionic Polyacrylamide Flocculant - Sinoloc Supplier

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azlan ariffin - google scholar citations

Azlan Ariffin - Google Scholar Citations

PolyDADMAC and polyacrylamide as a hybrid flocculation system in the treatment of pulp and paper mills waste water A Ariffin, MAA Razali, Z Ahmad Chemical Engineering Journal 179, 107-111 , 2012

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combination of flocculant with surfactant for wastewater

COMBINATION OF FLOCCULANT WITH SURFACTANT FOR WASTEWATER

A method and formulations for treatment of wastewater by combination of a flocculant and surfactant are described herein. The co-addition of the flocculant with an anionic, cationic or non-ionic surfactant produces improved separation of contaminants from wastewater to yield pure or highly pure water.

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papermaking and products made thereby with high solids

Papermaking And Products Made Thereby With High Solids

What is claimed is: 1. A process for making paper comprising adding silicon-containing microparticles and a glyoxalated polyacrylamide polymer comprising at least about 25% by weight cationic monomer to an aqueous suspension containing cellulosic fibers, and forming said suspension into a water-laid web and drying said web to form paper, wherein the added amount of silicon-containing

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mohd azahari bin razali - google scholar citations

mohd azahari bin razali - Google Scholar Citations

Treatment of pulp and paper mill wastewater with various molecular weight of PolyDADMAC induced flocculation with polyacrylamide in the hybrid system MAA Razali, Z Ahmad, A Ariffin Advances in chemical engineering and science 2 (04), 490 , 2012

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a survey on cationic polyelectrolytes and their

A survey on cationic polyelectrolytes and their

Wong SS, Teng TT, Ahmad AL, Zuhairi A, Najafpour G. Treatment of pulp and paper mill wastewater by polyacrylamide (PAM) in polymer induced flocculation. J Hazard Mater 2006; 135: 378–388. Crossref PubMed Google Scholar. Wu YM, Chen QF, Xu J, Bi JM. Aqueous dispersion polymerization of acrylamide with quaternary ammonium cationic comonomer.

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current review on the coagulation/flocculation of lignin

Current Review on the Coagulation/Flocculation of Lignin

coagulation of pulp and paper mill effluent using aluminium sulphate (~1 g/L) and found that the highest percentage removal of COD, TSS and turbidity is 91%, 99.4% and 99.8%, respectively.

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vincent vela, mc.; alvarez blanco, s.; lora garcía, j

Vincent Vela, MC.; Alvarez Blanco, S.; Lora García, J

The flocculants tested were polyacrylamide (PAM), CH‐30 and Active Polyfloc (APF). PAM is a commercial anionic flocculant. CH‐30 is a commercial cationic flocculant. APF (Dryden Aqua Ltd, Edinburgh) consisted of a mixture of inorganic coagulants and flocculants such as

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best selling ionic polyacrylamide used in mineral processing

best selling ionic polyacrylamide used in mineral processing

anionic polyacrylamide used for mineral processing of gold/silver/copper . 1. Product characteristics. In most mineral processes where there is a flocculant requirement for either a sedimentation or centrifugation application then a high or ultra high molecular weight product is desired. Nonionic Polyacrylamide Flocculant - Sinoloc Supplier

Get Price
cationic cellulose betainate for wastewater treatment

Cationic cellulose betainate for wastewater treatment

Other possible uses of cellulose betainate synthetic organic flocculants, such as polyacrylamide, include, especially in the pulp and paper manufactur- cationic derivatives of acrylic acid polymers and ing processes, retention aid, anionic trash fixative or diallyldimethylammonium chloride (DADMAC) pulp dewatering agent. polymers, (2) natural

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analysis of the sedimentation characteristics of ultrafine

Analysis of the Sedimentation Characteristics of Ultrafine

Due to continuous improvements in the beneficiation process, the size of tailings has decreased. In many mines, more than 50% of the total tailings are finer than 74 μ m. Ultrafine tailings exhibit a slow settling velocity and uneven settling, which pose new challenges to the safety and stability of tailings dams. In this paper, ultrafine iron tailings from the Makeng Iron Mine in Longyan

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高宝玉----- 山东大学 环境科学与工程学院-中国水业网

高宝玉----- 山东大学 环境科学与工程学院-中国水业网

Treatment of pulp and paper wastewater by using the mimic enzyme prepared from iron-based biomimetic compound. Desalination,2011, 278(1-3):36-41.(SCI收录) 42.

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