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Increasing the temperature could decrease the viscosity, but the effect is not significant. The viscosity of nonionic polyacrylamide solution is not affected by the pH value. However, when the PH value is over 9, the viscosity of polyacrylamide is quickly increased due to hydrolysis. At this time, the impact of …
Get Price2021-7-8 · The concentration of anionic and nonionic polyacrylamide is generally 1 ‰ to 2 ‰. Generally, the dissolution time of cations and anions is about one hour, and that of …
Get Price1999-10-1 · Above this concentration, saturation of binding between polymer and surfactant occurs. To achieve self-consistent interpretation of DLS and viscosity measurements there must be an increase in the molecular weight of the polymer–surfactant complex in the narrow surfactant concentration range of 0.1–1.0 mM. Two polymers with different molecular weights interact with the surfactant quite similarly.
Get Price2000-9-1 · Abstract. The polymer-micelle model, formerly established by Cabane, is revised to develop a new viscosity equation to describe the dependence of dilute solution viscosity on polymer concentration in PEG/SDS aqueous solutions. Two parameters inthe new equation were proposed to characterize the influence of the polymer solution viscosity on the ...
Get PriceAnionic polyacrylamide solution viscosity reflects mainly due to internal friction between molecules of the liquid flow generated by the movement or relative. Friction within the structure of the polymer, the nature of the solvent, solution concentration and temperature and pressure and other factors, the greater its value, indicating that the greater the viscosity of the solution.
Get Pricewhere, μ is the viscosity (Pa.s), k is the flow consistency index (Pa.s n), n is the flow behavior index (unitless) and γ is the shear rate (1 sec). The concentration of the polymer has a pronounced effect on the apparent viscosity of the solution. With the increase in the concentration of polymer, the viscosity …
Get Price2016-12-1 · Next, according to the China national standard GB-T12005. 1–89, the dilution method was applied in order to determinate the intrinsic viscosity of polyacrylamide in the polymer solutions, and the acrylamide polymer molecular weight of degradation was calculated at 0 h (i.e., without the addition of acid), 1 h, 10 h, and 100 h.
Get Price2019-7-31 · investigate the in uence of concentration of monomers on intrinsic viscosity and occulation performance of branched cationic polyacrylamide, the concentration of Cu(III) was.% of total monomers, the reaction temperature was kept constant at C, and the reaction time was kept constant at.h, while the mass concentration of total monomers was
Get Price2015-06-01 16:40:08. Factors influence the viscosity of polyacrylamide. Anionic polyacrylamide solution viscosity reflects mainly due to internal friction between molecules of the liquid flow generated by the movement or relative. Friction within the structure of the polymer, the nature of the solvent, solution concentration and temperature and ...
Get PriceEmpirical Correlations for Viscosity of Polyacrylamide. The conventional polymer such as partially hydrolyzed polyacrylamide (HPAM) is commonly used in the Enhanced Oil Recovery (EOR) processes to control the mobility ratio and to improve the sweep efficiency (Myagchenkov and …
Get Price2018-9-7 · High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …
Get Pricewhere, μ is the viscosity (Pa.s), k is the flow consistency index (Pa.s n), n is the flow behavior index (unitless) and γ is the shear rate (1 sec). The concentration of the polymer has a pronounced effect on the apparent viscosity of the solution. With the increase in the concentration of polymer, the viscosity …
Get Price2020-7-14 · The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration, and a quadratic model was developed by statistical ...
Get Price2020-12-30 · Procedure: A. Intrinsic viscosity determination by Ubbelhode viscometer: 1. Keep ready the solvent for this experiment: 0.05 M NaNO3 and 0.02% NaN3.Use previously prepared PAM solutions (Co = 4%, 8% or 12%) to form diluted solutions of concentration Ci such that C1 = 0.0010 g/cm3 C2 = 0.0015 g/cm3 C3 = 0.0020 g/cm3 C4 = 0.0025 g/cm3 The values of Ci need not be exactly as shown, as long …
Get PriceNonionic Polyacrylamide Powder Npam, Nonionic . There are 605 nonionic polyacrylamide powder npam suppliers, mainly located in Asia. The top supplying country o
Get PricePolyacrylamide Anionic Water Soluble Polymers Of Acrylamide CAS 9003-05-8. Polyacrylamide Anionic Water - Soluble Polymer Of Acrylamide CAS No 9003-05-8 Description Polyacrylamide, simply called PAM, is a water-soluble flocculant polymer, available in anionic, cationic and nonionic for different Industries Application . Get Price
Get PriceIt was found that higher monomer concentration resulted in higher viscosity-average molecular weight of polyacrylamide. Further study revealed that the hydrolysis of polyacrylamide by alkaline solution significantly increased the viscosity of 1000 ppm solution from 1.5 to 145.40 cP at room temperature, which is comparable to one of the ...
Get PriceThe polyacrylamide has a wide model range, the most common models are the anionic polyacrylamide, the cationic polyacrylamide and the nonionic polyacrylamide. The effective PH value is different to different types of polyacrylamide, so in the selection of the polyacrylamide, the influence of the PH value to the polyacrylamide must be considered.
Get Price2017-5-26 · industrial polyacrylamide-based flocculants was investigated by determining intrinsic viscosities ... (0.01M). The viscosity of the nonionic flocculant was stable in both distilled water and in 0.01M NaCl over the time and temperatures investigated. The ... Table I-1: Kinematic viscosity of a solution of A110, concentration 120ppm, prepared in ...
Get Price2003-2-20 · the viscosity, which is expected to be small but significant for high-molecular-weight polymers such as those used in this work. In distilled water, the Mark-Houwink viscosity parameters for polyacrylamide are K - 6.31 X 103 dl/g and a = 0.8 at 30°C.27 Similar parameters are not available for the acrylamide co-polymers.
Get PriceAnionic Polyacrylamide Emulsion, High Viscosity Pam Emulsion, Emulsified Cationic Flocculant manufacturer supplier in China, offering High Viscosity Anionic Polyacrylamide (PAM) Emulsion, Solid Polydadmac Powder for Water Treatment Coagulant (poly diallyl dimethyl ammonium chloride), Aerobic Tank Bacteria for Wastewater Treatment and so on.
Get PriceFlocculation polyacrylamide solution viscosity and it has a direct relationship, in general, the higher the viscosity of the person the better the performance, that is to say the higher the molecular weight polyacrylamide superior product performance; if it is subject to certain viscosity influencing factors and reduced flocculation performance is bound to decline.
Get Price2020-7-14 · Weight Nonionic Polyacrylamide and Polyethyleneimine mixtures for indepth Water Control in Mature Oilfields Yi Qin 1, Ruiquan Liao 2, Shunshe Luo 1,*, and Junliang Li 2 1 Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, 430100, China; [email protected] (Y.Q.); [email protected] (S.L.)
Get Price2020-7-14 · The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration, and a quadratic model was developed by statistical ...
Get Price2020-5-29 · to be stirring due to high viscosity, try a lower concentration of polymer, but in no case should the concentration be re-duced to below 0.25 percent or poor dissolution may result. If mixing is still inadequate, add larger impellers (or more impel-lers) to the mixing shaft and increase the horsepower of the mixer, if necessary.
Get Price2017-9-26 · POLYPRO anionic and nonionic polymers are high molecular weight, water-soluble flocculating agents made by the co- polymerization of acrylamide with itself or various anionic (negatively charged) monomers. These polymers are available in both liquid emulsion and granular dry solid grades and cover the full spectrum of charges from 0 to 100%.
Get Price2020-1-14 · With an increase in the PAETAC concentration, the intrinsic viscosity of the cationic polyacrylamide emulsion decreased, while the apparent viscosity of the crude product increased when the PAETAC concentration was 0.5-0.6 g/g-monomer; when the PAETAC concentration was lower than 0.4 g g-monomer, the crude product was uneven and unstable;
Get Price2020-7-14 · Weight Nonionic Polyacrylamide and Polyethyleneimine mixtures for indepth Water Control in Mature Oilfields Yi Qin 1, Ruiquan Liao 2, Shunshe Luo 1,*, and Junliang Li 2 1 Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, 430100, China; [email protected] (Y.Q.); [email protected] (S.L.)
Get PriceAnionic Polyacrylamide Emulsion, High Viscosity Pam Emulsion, Emulsified Cationic Flocculant manufacturer supplier in China, offering High Viscosity Anionic Polyacrylamide (PAM) Emulsion, Solid Polydadmac Powder for Water Treatment Coagulant (poly diallyl dimethyl ammonium chloride), Aerobic Tank Bacteria for Wastewater Treatment and so on.
Get Price2018-9-7 · High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …
Get Price2010-4-22 · molecular mass nonionic polyacrylamide (N-PAM) and a low mo-lecular mass nonionic polyacrylamide (n-PAM). Polyacrylamides concentrations of 0, 20, 80,120, 240, 500 mg/L were used to observe a change in behavior. The concentration range was selected based on calculated estimatesof the influence of cationic PAM on the kaolinite
Get PricePolyacrylamide (PAM) Polyelectrolyte is water soluble polymer with Anionic, Cationic and Nonionic types. The range of molecular weight is different, Anionic is from 5-22 million, Cationic is from 5-12 million and Nonionic is from 5-12 million, with a charge density ranging from 0-60%.
Get Price2021-3-12 · polyacrylamide and hydrophobically modified polyacrylamide with surfactant SDS.17 They showed non-Newtonian shear thinning as well as thixotropic behavior under surfactant concentration, which are considered desirable for EOR processes. Magny et al. showed the rheological behavior between the hydrophobic polymer and anionic/nonionic/
Get Price2019-4-3 · concentration (C) and the critical entanglement concentration (C*). When the polymer concentration (C) was less than C* (C < C*), the plot of the viscosity versus surfactant concentration exhibited a minimum. When C > C*, a maximum in the viscosity versus surfactant concentration plot was observed. The interactions between nonionic polymer and
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Get Price1999-9-23 · The interaction between a model hydrophobically modified, alkali-soluble emulsion (HASE) polymer and a nonionic surfactant, C12EO4, was investigated in this work. The addition of the nonionic surfactant increases the viscosity and moduli of the polymer up to the maximum concentration of 0.1 M. The low-shear viscosity, plateau modulus, and hence the effective junction density increase linearly ...
Get PriceFabric changes in sedimentation, viscosity, and liquid limit behavior in the presence of polyacrylamide corresponding to the change in the type of particle association are observed in SEM. Floc/aggregate size and density tend to increase with increasing polyacrylamide concentration, showing the formation of more larger, denser flocs.
Get Price2003-2-21 · ADSORPTION OF POLYACRYLAMIDE 147 FIGURE 2 Diagram illustrating changes in reduced viscosity of polyacrylamide with aging of the solutions under higher temperature conditions (60.C). ~ 4--e-a ~ 3 U) 0 u U):> 2 u i&: U ~ 1 0 oJ g 0 oJ ~ FIGURE 3 T'UE,mlft Diagram i.llu~trilting changes in reduced viscosity of polyacrylamide in alkaline solutions.
Get Price2018-9-7 · High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …
Get PriceHigh Concentration Polyacrylamide-Based Friction Reducer. Traditionally, friction reducer systems have been used to promote laminar flow in pipe to reduce friction pressure in pumping of low viscosity, slickwater-type fracture treatments. In these types of treatments, velocity is the key factor in proppant transport into the reservoir.
Get Price2021-3-12 · polyacrylamide and hydrophobically modified polyacrylamide with surfactant SDS.17 They showed non-Newtonian shear thinning as well as thixotropic behavior under surfactant concentration, which are considered desirable for EOR processes. Magny et al. showed the rheological behavior between the hydrophobic polymer and anionic/nonionic/
Get PriceWater - Soluble Nonionic Polyacrylamide Particle Size 20 - 100 Mesh . Description: Wastewater Flocculation. Polyacrylamide, also known as PAM, is an extremely water-soluble high polymer. It finds use in Paper Making, Chemical, Petroleum, Textile, Metallurgical and environment protection fields.
Get Price2013-12-24 · The best condition for the intrinsic viscosity of P(AM-DAC-BA) in theory was that photoinitiator concentration was 0.60‰, incident light intensity 1491.67 μw/cm 2, and illumination time 117.89 min, respectively.
Get Price2018-6-10 · The particle size of the synthesized amphoteric polyacrylamide (AmPAM) ranged from 1 to 8μm and the intrinsic viscosity ranged from 5.6 to 14.2dL/g. The influences of aqueous solution of AS concentration, stabi-lizer concentration, initiator concentration, monomer concentration on the conversion of monomer, the intrinsic viscosity,
Get PriceTwo kinds of nonionic surfactants were synthesized to configure fracturing fluid that can make up for the inadequacy of cationic surface active agent which has damage to the formation. The effect of the surfactant concentration on the apparent viscosity was discussed in this paper. The shear resistance, heat resistant, sand-carrying performance and gel breaking of the fracturing fluid were ...
Get PricePolyacrylamide degradation and its implications in. Sep 07, 2018· High molecular weight (10 6 –3 × 10 7 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and. Cited by: 2; Iran High Effective Polyacrylamide …
Get Price2021-7-2 · Anionic Polyacrylamide. Appearance. White Fine-Sand Shaped. Powder. Milky White. Emulsion. Molecular Weight. 15million-25million l onicity Viscosity 6-10. Degree of Hydrolysis% 10-40. 30-35. Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.
Get Price2003-2-21 · ADSORPTION OF POLYACRYLAMIDE 147 FIGURE 2 Diagram illustrating changes in reduced viscosity of polyacrylamide with aging of the solutions under higher temperature conditions (60.C). ~ 4--e-a ~ 3 U) 0 u U):> 2 u i&: U ~ 1 0 oJ g 0 oJ ~ FIGURE 3 T'UE,mlft Diagram i.llu~trilting changes in reduced viscosity of polyacrylamide in alkaline solutions.
Get PriceFabric changes in sedimentation, viscosity, and liquid limit behavior in the presence of polyacrylamide corresponding to the change in the type of particle association are observed in SEM. Floc/aggregate size and density tend to increase with increasing polyacrylamide concentration, showing the formation of more larger, denser flocs.
Get PriceAs expected, the control polyacrylamide of Example 1, at about 3.8 percent nonvolatile materials, showed little change in viscosity with variations in pH and salt (sodium ion) concentration. The modified-polyacrylamide of Example 7 also showed little change in viscosity with variations in pH and salt concentration, despite the fact that the ...
Get Price2020-11-12 · PAM is a non-ionic polymer flocculant commonly used in China, with a molecular weight of 1.5-20 million and a commercial concentration of 8%. Organic polymer flocculant has a great surface adsorption effect by forming larger flocs between particles.
Get PricePAMs Have Been Widely Applied In Oil Drilling Industry Enhance oil recovery (tertiary oil recovery): this requires the high molecular weight PAM with high viscosity . Ordinary product can resist a temperature up to 75℃ and a salinity up to 20,000 ppm.
Get PricePolyacrylamide nonionic water-soluble polymer Sigma-Aldrich. Polyacrylamide is used in the preparation of acrylamide gels for separation of proteins. Biochem/physiol Actions Polyacrylamide is a water-soluble polymer made up of acrylamide subunits. It increases the viscosity of water and facilitates the flocculation of particles present in water.
Get PriceThis invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an
Get Price2007-2-12 · NONIONIC POLYMER TO AID COAGULATION AND WATER CLARIFICATION. DESCRIPTION: ALKEN® SOLUTIONS N3100L is a white water-oil emulsion, nonionic polyacrylamide. Alken® Solutions N3100L draws pin floc into a more stable floc for easier filtration. Performs best in a pH range of 7.0 - 9.0, although performance is possible within the range of 6 - 13.
Get Price2018-2-21 · Polyacrylamide, with the remainder being water content. Aque-ous solutions are self-explanatory. Inverse emulsions (aka dis-persions) contain Polyacrylamide in water droplets coated with surfactant molecules and suspended in mineral oil. Regardless of form, the Polyacrylamide is nonionic. The molecular weight of Polyacrylamide is controllable; ex-
Get Price2018-3-22 · Adding a small concentration of polymer to water will significantly increase the viscosity of the water (Nouri & Root, 1971). The polymers most commonly used as mobility control agents include synthetic polymers (e.g., hydrolyzed polyacrylamide), biopolymers (e.g., xanthan), and, recently, associative polymer.
Get Price2018-7-11 · the solution viscosity profile at different shear rates is necessary. Shear viscosity of polyacrylamide and its degradation behavior have been studied by Abdel-Alim et al. using a high shear Couette viscometer. [7] They studied the shear degradation of polyacrylamide after exposing it to various shear stresses at different temperatures. Despite the
Get PriceNonionic Mining Metallurgy Polyacrylamide Powder. NPAM Nonionic Polyacrylamide Industrial Water Treatment Chemicals . Non-ionic polyacrylamide of our company is produced on acrylamide by homopolymerization. High purity, good solubility. This product has …
Get Price2,184 high viscosity polyacrylamide products are offered for sale by suppliers on Alibaba.com, of which paper chemicals accounts for 20%, petroleum additives accounts for 19%, and water treatment chemicals accounts for 12%. A wide variety of high viscosity polyacrylamide options are available to you, such as chemical auxiliary agent ...
Get PricePreparation of Nonionic Polyacrylamide Flocculant . Nonionic polyacrylamide is a water-soluble polymer or polyelectrolyte. Because there are a certain number of polar groups in its molecular chain, it can bridge the suspended solid particles in water, bridge the particles or neutralize the particles by charge to form large flocs. Get Price
Get Price2021-3-1 · High Concentration Polyacrylamide-Based . 2016-2-1 · Traditionally, friction reducer systems have been used to promote laminar flow in pipe to reduce friction pressure in pumping of low viscosity, slickwater-type fracture treatments. In these types of treatments, velocity is the key factor in proppant transport into the reservoir. Get Price
Get PricePolyacrylamide nonionic water-soluble polymer Sigma-Aldrich. Polyacrylamide is used in the preparation of acrylamide gels for separation of proteins. Biochem/physiol Actions Polyacrylamide is a water-soluble polymer made up of acrylamide subunits. It increases the viscosity of water and facilitates the flocculation of particles present in water.
Get PriceThis invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an
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