Asphaltenes and hydrolysed polyacrylamide at the ...
Oilfield produced water contains soluble and insoluble petroleum fractions with different concentrations. The major hydrocarbons are alkanes, alkenes, alkynes, and aromatics. Produced water pH, salinity, temperature, and dissolved chemicals affect the amount of oil present in it.
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Optimization of Partially Hydrolyzed Polyacrylamide (HPAM) ...
This work describes long-term thermal stability limits of water-soluble polymers under anaerobic conditions. Polymers investigated included polyacrylamide, xanthan, scleroglucan, cellulose sulfate, and a heteropolysaccharide of unknown structure.
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Micromechanism of partially hydrolyzed polyacrylamide molecu ...
and partially hydrolyzed polyacrylamide (HPAM) (Al-Sabahi et al., 2018; Braun et al., 2022; Martin et al., 1983; Xue et al., 2022). HPAM is a water-soluble, commonly injected polymer into oil reservoirs to improve the water flooding process (Xue et al., 2022; Zhao
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Viscosity of partially hydrolyzed polyacrylamide under shear ...
Oil & Gas Science and Technology - Rev. IFP Energies nouvelles 73, 22 (2018)Regular Article Efficient estimation of hydrolyzed polyacrylamide (HPAM) solution viscosity for enhanced oil recovery process by polymer flooding 1 Department of Petroleum Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran ...
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Partially hydrolyzed polyacrylamide: enhanced oil recovery ...
and partially hydrolyzed polyacrylamide (HPAM) (Al-Sabahi et al., 2018; Braun et al., 2022; Martin et al., 1983; Xue et al., 2022). HPAM is a water-soluble, commonly injected polymer into oil reservoirs to improve the water flooding process (Xue et al., 2022; Zhao
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Viscosity of partially hydrolyzed polyacrylamide under shear ...
Oil & Gas Science and Technology - Rev. IFP Energies nouvelles 73, 22 (2018)Regular Article Efficient estimation of hydrolyzed polyacrylamide (HPAM) solution viscosity for enhanced oil recovery process by polymer flooding 1 Department of Petroleum Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran ...
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Asphaltenes and hydrolysed polyacrylamide at the oil–w ...
Partially hydrolyzed polyacrylamide (HPAM) is the water‐soluble polymer most often used in flooding applications in the petroleum industry. However, in aqueous solutions at high temperatures, HPAM undergoes hydrolysis of the lateral amide groups, and the presence of salts in the solution can lead to precipitation of this polymer.
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Dependence of intrinsic viscosity and molecular size on ...
As a typical water-soluble polymer, ultra-high molecular weight (UHMW) par-tially hydrolyzed polyacrylamide (HPAM) has been widely used in various indus-tries as thickeners or rheology modifiers.
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Qianhui WU | Engineer | Doctor of Philosophy | China Nationa ...
In this study, partially hydrolyzed polyacrylamide (HPAM) or co-polymers of acrylamide and 2-acrylamido-2-methylpropanesulfonic acid (AM-AMPS) cross-linked with water-soluble phenolic resin (WSPR ...
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... into the interaction between asphaltene and hydrolyzed ...
Water-soluble polyacrylamide is commercially available in different domains of industry, such as water purified, paper making, pharmacy, agriculture and oil exploitation. Especially polyacrylamide is used for polymer displacement, which can enhance oil recovery through increasing the sweeping efficiency.
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Towards sustainable management of polyacrylamide in soil-wat ...
Journal of Applied Polymer Science, 2019 Partially hydrolyzed polyacrylamide (HPAM) is the water-soluble polymer most often used in flooding applications in the petroleum industry. However, in aqueous solutions at high temperatures, HPAM undergoes hydrolysis ...
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Role of Imidization in Thermal Hydrolysis of Polyacrylamides ...
Polyacrylamides (PAm), including copolymers having acrylamide as the major component, have been a popular model system in many recent studies of water-soluble polymersl1–13. In the literature there is general agreement that longer heating of dilute aqueous
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The recovery of viscosity of HPAM solution in presence of ...
Anionic Polyacrylamide, white Granular is a water-soluble high polymer solid powder. Anionic Polyacrylamide’s not soluble in most organic solvent, with good flocculating activity. Anionic Polyacrylamide, also briefly referred as PAM, is commonly a polymer with ...
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Statistical and rheological evaluation of the effect of ...
the total volume of water needed to achieve residual oil saturation.4 Partially hydrolyzed polyacrylamide (PHPA) is the most used anionic synthetic copolymer for this applica-tion.5 In addition to being versatile and with the possibil-ity of structural modifications for
Get PriceWhat is thermal stability of water soluble polyacrylamide (PAM) and partially hydrolyzed polymers?
Thermal stability of water-soluble polyacrylamide (PAM) and partially hydrolyzed polyacrylamide (HPAM) polymers under various solution conditions have been studied utilizing Quantum Mechanics Density Functional Theory (DFT) computational modeling method.
What is partial hydrolyzed polyacrylamide (HPAM)?
Partially hydrolyzed polyacrylamide (HPAM) is a water-soluble polymer material used in oil fields [18, 19]. It usually has a linear structure with high molecular weight and is obtained by partial hydrolysis of PAM or by copolymerization of sodium acrylate with acrylamide .
Is polyacrylamide soluble in water?
Polyacrylamide (PAM) is a synthetic polymer of long-chain acrylamide subunits, high molecular weight (1000 to 20 × 10 6 g/mol), and a wide range degree of hydrolysis (Abidin et al., 2012; Joshi & Abed, 2017). It is extremely soluble in water, but not soluble in organic solvents, such as methanol and hydrocarbons (Lu & Wu, 2002; Braun et al., 2022).
Which polymer is used to produce partially hydrolyzed polyacrylamide (HPAM)?
PAM is used to produce partially hydrolyzed polyacrylamide (HPAM), which is linear, anionic, water-soluble, stable, polymeric, and high molecular weight chain of acrylamide (C 3 H 5 NO) monomers (Bao et al., 2010; Braun et al., 2022; Liu et al., 2016; Xiong et al., 2018).
How is partially hydrolyzed polyacrylamide treated?
Dong L, Su F, Wang YZ. Treatment of partially hydrolyzed polyacrylamide by mixed bacteria isolated from wastewater. Environmental Progress & Sustainable Energy. 2020;39 (6):e13445. doi: 10.1002/ep.13445. [DOI] [Google Scholar]
Can water soluble polymers improve oil recovery?
Improved water-soluble polymers for enhanced recovery of oil. Society of Petroleum Engineers. 10.2118/11786-MS. Masadome T. Determination of cationic polyelectrolytes using a photometric titration with crystal violet as a color indicator. Talanta. 2003;59 (4):659–666. doi: 10.1016/S0039-9140 (02)00581-7. [DOI] [PubMed] [Google Scholar]
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