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cost of polyacrylamide viscosity concentration

  • Empirical Correlations for Viscosity of Polyacrylamide ...

    Combined effect of molecular weight, degree of hydrolysis, concentration of polymer and shear rate on viscosity of polymer solution: The modified form of power-law equation for polymer viscosity that takes into account the combined effects of molecular weight, degree of hydrolysis, concentration and shear rate is presented in this section. These four parameters affect the viscosity of the polymer solution and can be combined in one equation to predict the viscosity …

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  • Viscosity of partially hydrolyzed polyacrylamide under ...

    2017-8-28 · The viscosity data for the product 3,100 at 30 C are given in Fig. 2. The trend clearly complies with the power law. Similar test results were obtained for the product 3,200. It is obvious that higher HPAM concentration leads to higher viscosity. It can also be concluded that polymer viscosity is reduced at higher shear rate.

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · This requires the application of 1–20 kg of polymer per hectare (ha), 33,34 with typical MW of 1–20 × 10 6 Da 21,33,35 and concentrations less than 10 mg/L; 33 the high cost …

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  • Polyacrylamide in Water Treatment - Sinofloc

    The viscosity of polyacrylamide solution is related to its molecular weight and formulation concentration. 4, polyacrylamide dissolved: dissolved in order to play a full play flocculation. Sometimes need to speed up the dissolution rate, then consider increasing the concentration of polyacrylamide solution.

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  • Study on purification technology of polyacrylamide ...

    discharge voltage 40kV, discharge time 5h, solution concentration 1.0gl−1, pH 1.5. This research provides some basic data and new theoretical basis for PAM wastewater purification. Keywords: non-thermal plasma, polyacrylamide, COD degradation rate, viscosity …

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  • Polymers | Free Full-Text | Assessment of Polyacrylamide ...

    The effect of polymer concentration on the viscosity of solution prepared in 0.1 wt % NaCl measured at 25 °C and at 100 s −1 shear rate. The viscosity is a strong function of polymer concentration [ 36] in general. For each of the four type of polymers, a higher viscosity was observed at higher polymer concentrations.

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  • Efficient degradation of polyacrylamide using a 3 ...

    Furthermore, Porous Ti/SnO 2-Sb electrode could treat high concentration up to 5 g L −1 of PAM solution under the current density of 30 mA cm −2, with raising BOD 5 /COD ratio from 0.05 to 0.41 in 4 h, reducing solution viscosity by 92.0% in 0.5 h, and reducing average molecular weight by 94.2% through breaking PAM molecule into fragment in 1 h.

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  • Properties of Polyacrylamides - polymerdatabase.com

    2020-7-11 · Properties. Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly (2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH (CONH 2 )-].

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  • Effects of various fillers on anionic polyacrylamide ...

    2014-1-20 · This study examines the effects of different types of salt fillers and salt filler loadings on anionic polyacrylamide (A-PAM). Urea, potassium chloride, sodium chloride, and sodium sulfate were incorporated into the A-PAM solution with 10, 20, and 30 wt.% loadings.The characteristics of the A-PAM solution were measured based on the dissolution rate, viscosity, ζ potential, turbidity …

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  • Review of friction reducers used in slickwater fracturing ...

    2019-2-1 · Studies showed that when the concentration of Ca 2+ exceeded 200 mg/L or the concentration of Mg 2+ exceeded 100 mg/L, both viscosity and DR efficiency of the FR dropped drastically, and flocculation or precipitation even occurred (He et al., 2016; Muller et al., 1979). However, flowback water, surface lake brine, and seawater are often of high salinity.

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  • Empirical Correlations for Viscosity of Polyacrylamide ...

    where, 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 will be increased.

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  • Polyacrylamide in Water Treatment - Sinofloc

    The viscosity of polyacrylamide solution is related to its molecular weight and formulation concentration. 4, polyacrylamide dissolved: dissolved in order to play a full play flocculation. Sometimes need to speed up the dissolution rate, then consider increasing the concentration of polyacrylamide solution.

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  • Study the Effect of adding Polyacrylamide on Rheological ...

    Study the Effect of adding Polyacrylamide on Rheological and ... non-allergenic, biodegradability as well as production at lower cost. Furthermore, it is a most important water soluble derivative with various applications in paper, food, detergents, cosmetics, and ... Shear Viscosity is increasing with concentration as shown in (Fig.2) this ...

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  • The correct way to choose polyacrylamide (PAM) model ...

    2021-3-4 · The viscosity of the polyacrylamide solution is related to its molecular weight and preparation concentration. Solubility: The flocculation function can be fully exerted only when it is dissolved well. Sometimes it is necessary to speed up the dissolution rate, then consider increasing the concentration of the polyacrylamide solution. 3.

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  • Characterization of a Polyacrylamide Solution Used for ...

    2016-1-2 · The properties of PAM solutions, such as contact angle, surface tension, viscosity, and flow characteristic (micromodel test), were tested at six concentrations—0, 2, 5, 10, 15, and 20 g/L—prepared by mixing PAM with deionized water, except the viscosity at 0-g/L concentration. The viscosity of deionized water is readily available in ...

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  • The Laboratory Investigation of the Viscosity of EOR ...

    2016-8-23 · Viscosity for different shear rate can be measured or it can be calculated by Darcy law which describes the effect of porous media towards fluid flow. The viscosity in coreflooding experiment is usually not constant since polymer solution used in EOR is a non-Newtonian fluid type. In polymer flooding, apparent viscosity is often used.

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  • Synthesis and characterization of amphoteric ...

    2018-6-10 · 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,

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  • Overview of Chemical EOR - University of Wyoming

    2021-6-15 · Example of Viscosity of High Molecular Weight Polymer (SNF FP3630S) 0 5 10 15 20 25 30 35 40 45 50 0 50,000 100,000 150,000 200,000 Electrolyte Concentration [TDS, ppm] Viscosity [cp] NaCl only 9:1 NaCl/CaCl2 1500 ppm polymer, 23 C, 11 s-1

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  • Biodegradation of low molecular weight polyacrylamide ...

    2020-1-15 · Polyacrylamide (PAM), particularly high molecular PAM (>10 7 Dal), with a viscosity of over 58 centipoise (cp), has been increasingly used for enhanced oil recovery in oilfields ().Produced water generated during enhanced oil recovery contains high concentration of PAM, which should be removed before discharge (Yan et al. 2016).There have been a lot of studies …

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  • Improving the Viscosity of Partially Hydrolyzed ...

    It 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 ...

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  • The correct way to choose polyacrylamide (PAM) model ...

    2021-3-4 · The viscosity of the polyacrylamide solution is related to its molecular weight and preparation concentration. Solubility: The flocculation function can be fully exerted only when it is dissolved well. Sometimes it is necessary to speed up the dissolution rate, then consider increasing the concentration of the polyacrylamide solution. 3.

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  • Synthesis and Characterization of Different Molecular ...

    2017-4-27 · Viscosity average molecular weight of polyacrylamide The viscosity average molecular weight of polyacrylamides was carried out by determining the intrinsic viscosities of the polyacrylamides using Ubbelohede viscometer, no. 4809 ASTM at 25 ± 0.1ºC. The polyacrylamide solutions were prepared in distilled water.

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  • Experiment 1: Polymerization of acrylamide in water

    2020-12-30 · As the molecular weight increases, the viscosity of the polymer solution increases. Typically, the 'zero shear' viscosity varies with the molecular weight (M) and concentration (c) as follows; η (0) ~ c2.5 M3.4 (2) Viscosity measurement using Stokes Law: (See addendum on the Falling Ball Viscometer) A solid sphere (of radius R and density ρ S

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  • Empirical Correlations for Viscosity of Polyacrylamide ...

    2015-6-2 · Empirical Correlations for Viscosity of Polyacrylamide Solutions with the Effects of Concentration, Molecular Weight and Degree of Hydrolysis of Polymer Author: Muhammad R. Hashmet, Mustafa Onur and Isa M. Tan Subject: Journal of Applied Sciences Keywords: Viscosity, polyacrylamide solutiory, enhanced oil recovery Created Date

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  • SPE-185084-MS Applications of Viscosity-Building Friction ...

    2019-9-6 · The polyacrylamide-based VFR system described in this paper has been used on over 10,000 stages in multiple basins since 2014. Some of the potential advantages VFR fluids offer include lower cost, reduced water requirements compared to conventional slickwater treatments, fewer chemicals and equipment on ... As the concentration of FR is ...

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  • high concentration polyacrylamide-based friction reduce

    High 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.

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  • Polyacrylamide in Water Treatment - Sinofloc

    The viscosity of polyacrylamide solution is related to its molecular weight and formulation concentration. 4, polyacrylamide dissolved: dissolved in order to play a full play flocculation. Sometimes need to speed up the dissolution rate, then consider increasing the concentration of polyacrylamide solution.

    Get Price
  • Properties of Polyacrylamides - polymerdatabase.com

    2020-7-11 · Properties. Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly (2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH (CONH 2 )-].

    Get Price
  • Improving the Viscosity of Partially Hydrolyzed ...

    It 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 Price
  • Dissolvable Polyacrylamide Beads for High‐Throughput ...

    2020-2-20 · The inDrop polyacrylamide bead can be closely packed in a microfluidic device channel to achieve more than 95% loading of single bead per drop. 2 However, in the inDrop system, UV light is necessary to release primers from the bead, which somewhat complicates bead fabrication and makes it less cost effective. 9 Another shortcoming is that UV ...

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  • How to reduce the cost of using polyacrylamide?

    2020-12-21 · Therefore,when polyacrylamide flocculant is used,it is very necessary to reduce the use cost. Everyone knows that polyacrylamide is a linear polymer with good flocculation properties,and is known ...

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  • A Simple Method to Identify the Quality of Polyacrylamide ...

    Polyacrylamide(PAM) is an assistant and is widely used in various industry. ... in the face of such polyacrylamide model selection, cost-effective ratio is their highest pursuit, so purchasing for their company to choose a price and quality can meet the product is very important. ... The results showed that the concentration and viscosity of ...

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  • Synthesis and Characterization of Different Molecular ...

    2017-4-27 · Viscosity average molecular weight of polyacrylamide The viscosity average molecular weight of polyacrylamides was carried out by determining the intrinsic viscosities of the polyacrylamides using Ubbelohede viscometer, no. 4809 ASTM at 25 ± 0.1ºC. The polyacrylamide solutions were prepared in distilled water.

    Get Price
  • high viscosity polymer polyacrylamide pam for bore pile

    Viscosity of partially hydrolyzed polyacrylamide under . 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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  • Polyacrylamide solution average Mw 10,000, 50 wt. % in

    Polyacrylamide solution average Mw 10,000, 50 wt. % in H2O; CAS Number: 9003-05-8; find Sigma-Aldrich-434949 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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  • Synthesis and characterization of amphoteric ...

    2018-6-10 · 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 Price
  • ACRYLAMIDE AND POLYACRYLAMIDE - Markit

    Report No. 99 ACRYLAMIDE AND POLYACRYLAMIDE by YEN-CHEN YEN e June 1976 a A private report by the PROCESS ECONOMICS PROGRAM l STANFORD RESEARCH INSTITUTE

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  • US 7621335 B2 - Viscosity Breaker For Polyacrylamide ...

    2009-11-24 · [0020] As can be seen from the above examples, hydrogen peroxide in amounts ranging from about 0.002 to about 0.007 weight percent are effective at reducing the viscosity of a well treating fluid containing from about 0.01 to about 0.02 weight percent of two polyacrylamide emulsions that are commonly used in slickwater fracturing to about the ...

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  • Study on Factors Influencing the Viscosity of ...

    Polyacrylamide (PAM) is an important polymer for oilfield flooding. The viscosity of PAM solution is very significant for polymer flooding to enhance oil recovery. The main factors which influence viscosity of PAM solution including polymer concentration, temperature, stirring rate, TDS and divalent cation ions were studied. The results showed that high stirring rate will reduce the viscosity …

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  • Research on Rheological Behavior of Polyacrylamide ...

    Polyacrylamide (polymer) solution which has different relative molecular mass and mass concentration in porous media has been studied in seepage flow experiment. Due to differences in pressure drop at different seepage velocities, the effective viscosities of different polymer solutions are calculated. Rheological behaviors of polymer solution changes in different mass concentration …

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  • How to reduce the cost of using polyacrylamide?

    2020-12-21 · Therefore,when polyacrylamide flocculant is used,it is very necessary to reduce the use cost. Everyone knows that polyacrylamide is a linear polymer with good flocculation properties,and is known ...

    Get Price
  • Comparative Study of Polyacrylamide Co- polymers for EOR ...

    (higher MW). Viscosity of HMPAM solutions is more sensitive to changes of the polymer concentration and more sensible to flow conditions. Additionally, ionic interactions and steric effects in the co-polymers contribute the efficiency of the oil recovery at high salinity. Therefore, their viscosity behavior needs to be evaluated.

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  • Evaluation of Polyacrylamide (PAM) for reducing sediment ...

    2019-12-3 · Relative viscosity measurements, conducted using columns packed with a standard sand media, demonstrated that the viscosity of the applied water increased as the concentration of PAM increased. The effect of PAM on viscosity may offset the ability of the polymer to increase infiltration though improved aggregate stability.

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  • Aqueous solution polymerization of acrylamide: a pilot ...

    Keywords: Polyacrylamide, Aqueous solution polymerization, a pilot-scale study Abstract. The polymerization of acrylamide was initiated by complex redox system in aqueous ... The water solution polymerization method is low cost, and small damage to the ... Azo initiator concentration on viscosity is shown in Fig.2.

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  • Polyacrylamide solution average Mw 10,000, 50 wt. % in

    Polyacrylamide solution average Mw 10,000, 50 wt. % in H2O; CAS Number: 9003-05-8; find Sigma-Aldrich-434949 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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  • Rheological Behavior of Polyacrylamide Solution, Journal ...

    1999-8-1 · Moreover, the viscosity of a Polyacrylamide solution decreased with an increase in the concentration of Polyacrylamide. The power law and exponential law were used to fit the experimental data. The optimum equation η = 9.93 Ï 10'7 exp(5802/RT + 7.08C) was suggested for describing the behavior of a Polyacrylamide solution.

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  • Cas 9003-05-8,Polyacrylamide | lookchem

    Stability: polyacrylamide has a moderate hygroscopic property, if not exposed to position of high temperatures, the powdered polyacrylamide can subject to long-term storage. For liquid polyacrylamide, when its concentration is greater than 17%, it can be stored for more than one year with no significant change in the solution viscosity.

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  • ACRYLAMIDE AND POLYACRYLAMIDE - Markit

    Report No. 99 ACRYLAMIDE AND POLYACRYLAMIDE by YEN-CHEN YEN e June 1976 a A private report by the PROCESS ECONOMICS PROGRAM l STANFORD RESEARCH INSTITUTE

    Get Price
  • US 7621335 B2 - Viscosity Breaker For Polyacrylamide ...

    2009-11-24 · [0020] As can be seen from the above examples, hydrogen peroxide in amounts ranging from about 0.002 to about 0.007 weight percent are effective at reducing the viscosity of a well treating fluid containing from about 0.01 to about 0.02 weight percent of two polyacrylamide emulsions that are commonly used in slickwater fracturing to about the ...

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  • Polyacrylamide Applications in Papermaking Industry ...

    The Polyacrylamide is one of the earliest and the widest used additives in pape rmaking industry, it is even called as “the pape rmaking additive”.. The polyacrylamide as the additive in the pap ermaking industry mainly has the following applications: 1. The polyacrylamide working as the retention agent can achieve the below effects:

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  • How to reduce the cost of using polyacrylamide?

    2020-12-21 · Therefore,when polyacrylamide flocculant is used,it is very necessary to reduce the use cost. Everyone knows that polyacrylamide is a linear polymer with good flocculation properties,and is known ...

    Get Price
  • polyacrylamide viscosity in algeria

    Polyacrylamide | Tradeasia International. Brief Overview. Polyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid.

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  • Comparative Study of Polyacrylamide Co- polymers for EOR ...

    (higher MW). Viscosity of HMPAM solutions is more sensitive to changes of the polymer concentration and more sensible to flow conditions. Additionally, ionic interactions and steric effects in the co-polymers contribute the efficiency of the oil recovery at high salinity. Therefore, their viscosity behavior needs to be evaluated.

    Get Price
  • Experiment 1: Polymerization of acrylamide in water

    2020-12-30 · As the molecular weight increases, the viscosity of the polymer solution increases. Typically, the 'zero shear' viscosity varies with the molecular weight (M) and concentration (c) as follows; η (0) ~ c2.5 M3.4 (2) Viscosity measurement using Stokes Law: (See addendum on the Falling Ball Viscometer) A solid sphere (of radius R and density ρ S

    Get Price
  • Application of highly efficient cationic polyacrylamide in ...

    2019-9-6 · The polyacrylamide-based VFR system described in this paper has been used on over 10,000 stages in multiple basins since 2014. Some of the potential advantages VFR fluids offer include lower cost, reduced water requirements compared to conventional slickwater treatments, fewer chemicals and equipment on ... As the concentration of FR is ...

    Get Price
  • SPE-185084-MS Applications of Viscosity-Building Friction ...

    2020-4-10 · Viscosity of polyacrylamide solution is related to its molecular weight and concentration. (4) Dissolution of polyacrylamide Only after good dissolution can hair fully exert flocculation effect, so product selection must be determined by laboratory beaker experiment.

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  • Polyacrylamide Model-wastewater treatment Potions

    2009-11-24 · [0020] As can be seen from the above examples, hydrogen peroxide in amounts ranging from about 0.002 to about 0.007 weight percent are effective at reducing the viscosity of a well treating fluid containing from about 0.01 to about 0.02 weight percent of two polyacrylamide emulsions that are commonly used in slickwater fracturing to about the ...

    Get Price
  • US 7621335 B2 - Viscosity Breaker For Polyacrylamide ...

    Polyacrylamide (PAM) is an important polymer for oilfield flooding. The viscosity of PAM solution is very significant for polymer flooding to enhance oil recovery. The main factors which influence viscosity of PAM solution including polymer concentration, temperature, stirring rate, TDS and divalent cation ions were studied. The results showed that high stirring rate will reduce the viscosity …

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  • Study on Factors Influencing the Viscosity of ...

    Blufloc Polyacrylamide (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%.

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  • Systematic comparative study of Polyacrylamide Co polymers ...

    Systematic comparative study of Polyacrylamide Co-polymers for ... in chemical EOR because of its cost and wider range of available molecular weight for different applications (Sheng, 2011). ... models have been developed to represent the dependence of viscosity with polymer concentration, salinity, shear rate, and reservoir permeability (Sheng ...

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  • Textile Chemicals High Viscosity Polyacrylamide Absorbent ...

    Textile Chemicals High Viscosity Polyacrylamide Absorbent Gel , Find Complete Details about Textile Chemicals High Viscosity Polyacrylamide Absorbent Gel,Polyacrylamide Pam Msds,Textile Chemicals High Viscosity,Polyacrylamide Absorbent Gel from Electronics Chemicals Supplier or Manufacturer-Y&X Beijing Technology Co., Ltd.

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  • Application of highly efficient cationic polyacrylamide in ...

    China High Viscosity Emulsion Polyacrylamide for Wastewater Treatment, Find details about China Polyacrylamide, Polyacrylamide Emulsion from High Viscosity Emulsion Polyacrylamide for Wastewater Treatment - Yixing Bluwat Chemicals Co., Ltd.

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  • China High Viscosity Emulsion Polyacrylamide for ...

    Polyacrylamide (PAM) is a general designation of acrylamide polymer or polymer with other monomers. The has good thermal stability. Because of the structural elements that contain polar groups, it is easy to form hydrogen bonds, so that it has good water solubility and …

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  • Study on Application of Polyacrylamide in drinking water ...

    The major advantages of the biopolymer over polyacrylamides are the good shear stability and the good thickening power at high salinity. The major disadvantages of the biopolymer have been the high cost, the difficulty of preparing solutions that do not plug core material, and the prevention of viscosity loss from biochemical or chemical reactions.

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  • Biopolymer Solution Viscosity Stabilization - Polymer ...

    2016-5-6 · In 2008, cost of polyacrylamide was expected to run approximately 3/lb for dry, and 6/lb for tablets. While the recommended application rate is 10 parts per million (ppm), actual application rate will vary depending on irrigation system, soil type and water source.

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  • Using Polyacrylamide to Reduce Soil Erosion

    2015-4-11 · Fracturing fluid methylene polyacrylamide cross-linked, the suspended ability has high viscosity, low friction, good preparation has the advantages of convenient operation and low cost, and is widely used.

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  • Application of Polyacrylamide in the oilfield. - CHINAFLOC

    2021-5-5 · At intermediate concentration (1000 ppm), both polymers show a minor viscosity loss, which can be relatively easy to recover. However, at low concentration (500 ppm), the loss is very important, and it seems that at this level the grafted xanthan …

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  • Polyacrylamide Grafted Xanthan: Microwave-Assisted ...

    2021-3-18 · Iron tailings have few macropores which severely inhibit infiltration and transport of soil water. Polyacrylamide (PAM) can regulate soil water, but it …

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