Effect of the presence of cationic polyacrylamide
Request PDF | Effect of the presence of cationic polyacrylamide on the surface properties of aqueous alumina suspension-stability mechanism | The effects of solution pH and the content of cationic
The interaction between cellulose fibers in the presence of cationic polyacrylamide (CPAM) was analyzed by rheology as a function of polyelectrolyte concentration, charge density, and molecular weight. CPAM was found to strongly influence the yield stress of cellulose suspensions; low doses of CPAM increased the yield stress, but at higher concentrations the yield stress declined. The charge
Effect of the presence of cationic polyacrylamide
Additionally, the greater the number of cationic groups in the PAM chains is, the higher adsorption was found. The polymer presence influences on the alumina suspension stability. At pH 3 and 6 the slight deterioration of stability conditions of solid particle covered with polyacrylamide was observed.
The effects of solution pH and the content of cationic groups in polyacrylamide (PAM) macromolecules on the stability mechanism of aqueous alumina suspension were investigated. The following experimental techniques were applied: spectrophotometry, potentiometric titration, microelectrophoresis, viscosimetry and turbidimetry. They enable determination of polymer adsorbed amount, surface charge
Understanding the impact of cationic polyacrylamide
Cationic polyacrylamide (cPAM), a linear water-soluble polymeric compound with a high molecular weight and cationic charges, is widely used in enhancing solid-liquid separation through charge neutralization and interparticle bridging (Aguilar et al., 2005, Moussas and Zouboulis, 2009).
A cationic polyacrylamide was synthesized by polymerization of acrylamide and 2-(methacryloyloxy)-ethyltrimethylammonium chloride (AM/MADQUAT)in solution or by inverse microemulsion polymerization using (NH_4)_2S_2O_8/NaHSO_3 as redox initiator.The
Unveiling the mechanisms of how cationic polyacrylamide
The objective of this study is therefore to reveal the effect of cPAM on SCFAs production from anaerobic fermentation of WAS. Firstly, SCFAs accumulation from alkaline fermentation (pH 10) of WAS in the presence of cPAM at different levels (0, 3, 6, 12, and 24 g/kg TSS) was compared, as pH 10 was proven to be the most suitable pH for SCFAs accumulation (Li et al., 2011).
In this research, a kind of 2-acrylamido-2-methylpropanesulfonic acid sodium salt- (AMPS-Na-) type copolymer additive, the fluid loss additive (FLA), named as FLA A additive, was used for research. The performance of FLA A was tested and found to fail in the effective control of free water and to hinder the hydration process for delaying the breaking of the early hydration shell.
Purification and characterization of cationic peroxidase
Due to versatility in reaction catalyzed by peroxidases, they have potential applications in different areas in the health sciences, food industry, and diagnostic purposes. Therefore, the aim of this study is to investigate the properties of peroxidase from ginger to be meeting the perquisites of several applications. The cationic peroxidase (GPII) was purified to homogeneity by anion exchange
In this study, we examined the delivery of phosphorothioate-modified ODN by cationic lipids into primary human hematopoietic cells, including CD34 + cells using the cationic lipids DOTAP and DOSPER under ex vivo culture conditions as well as under conditions resembling the in vivo situation. For quantitative analyses the experiments were performed with 32 P-labeled ODN followed by liquid
Cas 9003-05-8,Polyacrylamide | lookchem
Anionic and cationic polyacrylamide Polyacrylamide is non-toxic and with a high molecular weight and is highly water soluble, and can introduce a variety of ionic groups for adjusting the molecular weight to obtain specific performance; it has good adhesion to many solid surface and dissolved substances, and can adhere or bridge the suspended particles dispersed in the solution for
Prostate cancer is the most common solid tumor in men in North America. The incidence is increasing and over 317 100 newly diagnosed cases and 41 400 cancer-related deaths are reported (Wingo et
- Which cationic polyacrylamide is synthesized through UV initiation?
- Recently, Ma et al. used acrylamide (AM) and methacryloxyethyl trimethyl ammonium chloride (DMC) to synthesize a novel cationic polyacrylamide (CPAM) through low-pressure ultraviolet (UV) initiation.
- What is cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (CPAM) is one of the most widely applied polymers due to its high performance in flocculation, sludge dewatering, and harvesting microalgae [ 6, 7, 8, 9, 10, 11, 12, 13 ].
- Is cationic polyacrylamide emulsion a flocculant for paper mill wastewater treatment?
- [ Google Scholar] [ CrossRef] Yang, K.; Chen, J.; Yao, C. Cationic polyacrylamide emulsion with ultra-high concentration as a flocculant for paper mill wastewater treatment. BioResources 2025, 15, 3173–3189.
- Can cationic flocculants be synthesised by UV-induced polymerization?
- 4. Conclusions This study demonstrated facile synthesis of two cationic flocculants via UV-induced polymerization of monomers [2- (acryloyloxy)ethyl]trimethylammonium chloride and (3-acrylamidopropyl)trimethylammonium chloride for harvesting freshwater green microalgae ( C. vulgaris) and marine red microalgae ( P. purpureum ).
