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This work aims to improve the rheological properties of partially hydrolyzed polyacrylamide (HPAM) for enhanced oil recovery by using silica (or silicon dioxide, SiO2) nanoparticles (NPs). Novel aqueous HPAM-based SiO2 nanocomposites were formulated, and their rheological properties were investigated under different salinities, temperatures, and aging times.
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In this research, polyacrylamide (PAM)/modified silica (SiO 2-NH 2) composite hydrogels have been prepared via in situ free-radical polymerization. The gel fraction of the polymerization was studied by gravimetric method, and the mechanical property of the resultant hydrogels was examined using a tensile tester.
- What is polyacrylamide used for?
- Polyacrylamide and its co-polymers are used as flocculants or coagulants in industrial wastewater treatment .Homo-polymer is used in this application and can be either nonionic, cationic or anionic depending on the types of wastewater needs to be treated. Also polyacrylamide can be prepared either as linear or as cross-linked.
- What is polyacrylamide (PAM) used for?
- npj Clean Water 1, Article number: 17 ( 2018 ) Cite this article 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 friction reducer in both enhanced oil recovery and high volume hydraulic fracturing.
- How is partially hydrolyzed polyacrylamide wastewater treated?
- Yongrui, P., et al. Treatment of partially hydrolyzed polyacrylamide wastewater by combined Fenton oxidation and anaerobic biological processes. Chem. Eng. J. 273, 1–6 (2015).
- Which electrochemical treatment methods are used for paint industry wastewater?
- The common electrochemical treatment methods used for paint industry wastewater include electrocoagulation, electro-oxidation, electrochemical reduction, electroflotation, and electrochemical membrane processes . Table 6 gives a summary of electrochemical treatment methods that were examined for paint industrial wastewater application. a.
