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Chemical Partially Hydrolyzed Cation Polyacrylamide

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  • Stability of Partially Hydrolyzed Polyacrylamides at ...

    2009-6-29 · many years at reservoir conditions. Two chemical species are known to critically impact stability for partially hydrolyzed polyacrylamides (HPAM): divalent cations and oxygen. Effect of Divalent Cations. HPAM polymers are known to be unstable at elevated temperatures if divalent cations are

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  • Experimental evaluation of partially hydrolyzed ...

    2019-8-3 · Partially hydrolyzed polyacrylamide (PHPA) is the most frequently used polymer in this respect, owing to its low cost, viscosifying nature, and well-known physiochemical properties (Urbissinova et al. 2010). The molecule of this polymer is a flexible chain which remains in coil-like structure in the absence of a shearing effect.

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  • Viscosity of partially hydrolyzed polyacrylamide under ...

    Polymer flooding is the most successful chemical method to enhance oil recovery. This technique has achieved large-scale field application in China. Polymer flooding is also being tested in several heavy oil fields. For oil field applications, partially hydrolyzed polyacrylamide (HPAM) is the most widely used polymer. HPAM must maintain high viscosity to achieve good oil recovery.

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  • Stability of Partially Hydrolyzed Polyacrylamides at ...

    2010-6-20 · Two chemical species are known to affect stability critically for partially hydrolyzed polyacrylamides (HPAM): divalent cations and oxygen. Effect of Divalent Cations. HPAM polymers are known to be unstable at elevated temperatures if divalent cations are present (Davison and Mentzer 1982; Zaitoun and Potie 1983; Moradi-

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  • Rheological Behavior of Partially Hydrolyzed ...

    2018-11-12 · (2007). Rheological Behavior of Partially Hydrolyzed Polyacrylamide Hydrogel Produced by Chemical Gelation. Journal of Macromolecular Science, Part …

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  • Synthesis of Hydrogel Nanocomposites Based on

    2020-9-11 · Partially hydrolyzed polyacrylamide (HPAM) with an average molecular weight of 8 × 10 6 g/mol (hydrolysis degree of 30%) was provided by SNF FLOERGER, with trade name FP3330S. Branched polyethyleneimine (PEI) with an average molecular weight of 25.000 g/mol was purchased from Sigma-Aldrich to work as an organic cross-linker.

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  • Molecular dynamics simulations of the conformation

    2020-3-16 · 1. Introduction. Partially hydrolyzed polyacrylamide (HPAM) is the most widely used water-soluble non-toxic polymer in water treatment (Zheng et al., 2013), paper mills (Wong et al., 2006), ore processing and crude oil production processes (Pei et al., 2016).It is also used in irrigation water for soil-conditioning (Lee et al., 2011), pesticide formulation (Nair and Sawant, …

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  • PAM Polyacrylamide & Flocculants ... - Sinofloc

    Wanna buy efficent anionic and cation flocculants, nonionic polyacrylamide, amphoteric polymer as well as coagulants, Sinofloc is no doubt your best choice. ... Amphoteric Flocculants SINOFLOC amphoteric flocculants are partially hydrolyzed polyacrylamide with high molecular weight, ... Chemical Conditioning of Sludge Dewatering At present ...

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · Al Hashmi, A. R. et al. Rheology and mechanical degradation of high-molecular-weight partially hydrolyzed polyacrylamide during flow through capillaries. J. …

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  • Kinetics and Mechanism of the Reaction of Hydrated ...

    2019-5-26 · Gelation in aqueous solutions of carboxylated polyacrylamide in the presence of chromium(III) acetate, studied by oscillation rheometry. Russian Journal of Applied Chemistry 2016 , 89 (2) , 243-248.

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  • Partially hydrolyzed polyacrylamide used in drilling ...

    Partially hydrolyzed polyacrylamide (PHPA) is a polymer used for encapsulation of drill solids in the oil and gas. The PHPA has a high molecular weight (3000000-15000000 long chain) whose polyacrylamide polyacrylate 70/30 regarding a large giving the product a high activity clays Encapsulating to minimize hydration inhibition provides clays through fixing the anionic group of the molecules in ...

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  • Modeling of Partially Hydrolyzed Polyacrylamide

    The cross-linked polymer gel systems are being used increasingly to redirect or modify reservoir fluid movement in the vicinity of injection wells for the purpose of permeability/profile modification job in the oil field due to their high temperature stability and capability to provide rigid gel having high mechanical strength. In this study, a partially hydrolyzed polyacrylamide-hexamine ...

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  • Properties of Polyacrylamides - polymerdatabase.com

    2020-7-11 · The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH(CONH 2)-]. It is a non-ionic, watersoluble, and biocompatible polymer that can be tailored to meet a broad range of applications. The polymer can be synthesized as a simple linear chain or as a cross-linked structure ...

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  • pH-Responsive Self-assembly of Partially Hydrolyzed ...

    2017-3-8 · pH-Responsive Self-assembly of Partially Hydrolyzed Polyacrylamide in Aqueous Solution Fang Yun 1 , 2 , Pang Ping-Ping 2 , Lai Zhong-Yu 2 1 Key Laboratory for Molecular Engineering of Polymers, Ministry of Education, Department of Macromolecular Science, Fudan University

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  • APAM Aluminum Sulfate Flocculant Water Treatment

    High quality APAM Aluminum Sulfate Flocculant Water Treatment Chemical Anionic Polyacrylamide CAS 9003 05 8 from China, China's leading partially hydrolyzed polyacrylamide product, with strict quality control cationic polyacrylamide flocculant factories, producing high quality cationic polyacrylamide flocculant products.

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  • Polyacrylamide - Shandong Ruihai Mishan Chemical

    Anion Polyacrylamide and Non-ionic Polyacrylamide widely used in oil,metallurgy,electricity chemical, Coal, paper, printing, leather,pharmaceutical food, building materials and so on for flocculating and solid-liquid separation,meanwhile widely used in industrial wastewater. Product Name. Electric Density. Molecular Weight.

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  • oil drilling chemicals anion - aladine.be

    PAM (Polyacrylamide) (Cation, Anion, Noion, Amphion) Oil Drilling Chemicals Current page: Home > Oil Drilling Chemicals [ Properties ] Polyacrylamide,abbreviation PAM,is a glassy solid,easy to adsorb water ; the absorbing speed are varied with different derivative ions.It is soluble in water and organic solvents as acetic acid,glycol,glycerin and amine.It will be decomposed after long time ...

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  • high purity nonionic polyacrylamide pam with cheap

    2011-9-14 · CHEN Kun, LI Hai-Ping, HOU Wan-Guo. Zero-shear Viscosity and Critical Concentrations of Aqueous Solution of Partially Hydrolyzed Polyacrylamide[J]. Chemical Journal of Chinese Universities, 2012, 33(06): 1301-1305.

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  • Aging and loss of flocculation activity of aqueous ...

    polyacrylamide price, polyacrylamide price Suppliers. cation/nonionic/anionic polyacrylamide price/PAM with free sample polyacrylamide powder 25085-02-3 Super White Polyacrylamide Colorcom high purity PAM for Chemical Industry The top countries of suppliers are South Africa, China, and Indonesia, from which the percentage of polyacrylamide price supply is 1%, 96%, and 3% respectively.

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  • Polyacrylamide - Shandong Ruihai Mishan Chemical

    2. Cation Polyacrylamide. Cation Polyacrylamide widely used in industrial wastewater ,sludge dewatering for municipal and flocculating setting. Cationic polyacrylamide with different ionic degree can be selected according to different sludge and Mingyuan properties. Product Name.

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  • APAM Aluminum Sulfate Flocculant Water Treatment

    High quality APAM Aluminum Sulfate Flocculant Water Treatment Chemical Anionic Polyacrylamide CAS 9003 05 8 from China, China's leading partially hydrolyzed polyacrylamide product, with strict quality control cationic polyacrylamide flocculant factories, producing high quality cationic polyacrylamide flocculant products.

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  • Empirical correlations for viscosity of partially ...

    Empirical correlations for viscosity of partially hydrolyzed Polyacrylamide Empirical correlations for viscosity of partially hydrolyzed Polyacrylamide Gao, Changhong 2013-06-07 00:00:00 J Petrol Explor Prod Technol (2014) 4:209–213 DOI 10.1007/s13202-013-0064-z SH ORT C OM M U N I CATION - P RO DU CTIO N E NG IN EERING Empirical correlations for viscosity of partially hydrolyzed ...

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  • Analysis of Bacterial and Archaeal Communities along

    1. Introduction. Partially hydrolyzed polyacrylamide with high-molecular-weight has been employed extensively as an oil-displacing agent for enhanced oil recovery in the petroleum industry [1,2].A viscosity loss of the HPAM solution occurred in a consecutive transportation pipeline of a water injection system after six years operation.

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  • Liaocheng City Yongxing Environmental Protection

    Flocculant Partially hydrolyzed polyacrylamide/PHPA as drilling fluid/mud for EOR/Enhanced Oil Recovery FOB Price: USD 880 Ton Min. Order: 1 Tons; anionic polyacrylamide chemical for paper making industry FOB Price: USD 1,000 Ton Min. Order: 1 Tons; High purity chemical agent anionic polyacrylamide used to the tertiary oil recovery

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  • Hong Jun Wu | Scientific.Net

    Abstract: Served as polymer flooding for the enhanced oil recovery, partially hydrolyzed polyacrylamide (PAM) has widely been employed for the oil production. The PAM solution prepared by the ground clean water was characterized with a higher viscosity in the early years while one, made by the oilfield produced water in the existence of ...

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  • A Study of Polyacrylamide Based Gels Crosslinked

    Inorganically crosslinked gels rely mainly on the ionic interaction between the positively charged trivalent cation (like Cr +3 and Al +3) and the negatively charged carboxylates on the partially hydrolyzed polyacrylamide (PHPA). 6–8 This class of polymer gels is stable and can be used in reservoirs of low temperatures.

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  • Liquid Quaternary Ammonium Polymer Cationic ...

    Polyacrylamide (PAM)/Polyelectrolyte , for water treatment, for suldge treatment. PHPA(Partially Hydrolyzed Polyacrylamide) For Drilling , for drilling mud additive in the oilfield. Ferric Sulphate , for drinking water and wastewater treatment. PolyDADMAC , for water treatment and for paper mills and for cosmetics.

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  • Aging and loss of flocculation activity of aqueous ...

    Chemical changes in the polymer are suspected as being responsible for the RSV change during the slow stage in the aging of the high intrinsic viscosity polyacrylamide and also in the aging of a polyacrylamide of low intrinsic viscosity. ... Hydrolysis and thermal stability of partially hydrolyzed polyacrylamide in high‐salinity environments ...

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