Effects of extracellular polymeric substance fractions
As a result, when most of the water is removed during dewatering, the partially degraded proteins and polysaccharides present in the sludge will form gels that hold water. Thus, the cationic polyacrylamides would only have a minimal effect on removing water from the gel formed by the TB-EPS around the sludge particles.
When the amount of cationic monomer was increased from 10 to 55mol% in solution polymerization, hydrophobic contraction of the core induced formation of more compact C-PAMs. The copolymers prepared using emulsion polymerization formed highly aggregated or supercoil structures owing to increased intermolecular hydrophobic interaction when less cationic monomer was used.
Effect of Cationic Polyacrylamides on the Interactions
The effect of high molecular weight cationic polyacrylamides of different charge densities on the viscoelasticity of softwood kraft pulp suspensions was investigated by rheological measurements in
Effect of cationic polyacrylamides on aggregation of gold nanoparticles was studied. Surface Enhanced Raman Scattering enhancement factor of AuNPs paper was optimized. Cationic polyacrylamides with higher bridging produced higher aggregation of AuNPs.
Determination of the effect of cations and cationic
Determination of the effect of cations and cationic polyelectrolytes on the characteristics and final properties of synthetic and activated sludge Article in Desalination 222(1):307-317 · March
Lee, B. & Schlautman, M. Effects of polymer molecular weight on adsorption and flocculation in aqueous kaolinite suspensions dosed with nonionic polyacrylamides. Water 7 , 5896–5909 (2015).
Influence of molecular characteristics of cationic
Influence of molecular characteristics of cationic Polyacrylamides on the pulp fibre retention process Article in Nordic Pulp and Paper Research Journal 24(1):87-93 · January 2009 with 35 Reads
Effect of Cationic Polyacrylamides on the Interactions between Cellulose Fibers. Langmuir 2012, 28 (7) , 3641-3649. DOI: 10.1021/la2049579. Jinyu Pang, Yajing Wang, Guiying Xu, and Tingting Han , Xin Lv and Jian Zhang .
Effect of Shearing Forces and Flocculant Overdose
The flocculation by cationic polyacrylamide (CPAM) or poly (aluminum chloride) (PAC) was determined using a focused beam reflectance probe. The effect of shear forces on aggregation kinetics depends on particle size. PAC produces soft flocs.
This study is mainly concerned with the effects due to addition of cationic polyvinylamine and changes in ionic strength. The results have implications for the interactions between cellulose and mineral surfaces in the papermaking process. The cellulose surface is weakly negatively charged at pH 5.5−6.0.
Effect of Surfactant on the Viscoelastic Behavior
The interactions between well-defined hydrophobically modified polyacrylamides (HMPAM) and the anionic surfactant SDS (sodium dodecyl sulfate) or the cationic surfactant DTAB (dodecyltrimethylammonium bromide) were studied in aqueous solution using steady-flow and oscillatory rheological experiments.
used. Six different cationic polyacrylamides and one cationic starch were used as flocculants. The adsorption of the polyelectrolytes on the cellulosic fractions was measured by polyelectrolyte titration method. The flocculation behavior of these components was studied with multiple light scattering apparatus and focused beam
- What are the challenges in saline water treatment?
- Despite the significant advancements in saline water treatment, several challenges still exist. These challenges include the high energy consumption of desalination plants, the disposal of brine waste, and the high cost of desalinated water.
- What is a saline wastewater?
- Saline wastewaters, such as concentrated brine, oil-field brine water, make-up saline solutions, etc., are high in salts, which can include scale formation and naturally occurring radioactive material (NORM)-contaminant salts (Bader 1994).
- Why do we need Brine management and disposal options?
- Innovation and developments in brine management and disposal options are required. Rising water demands and diminishing water supplies are exacerbating water scarcity in most world regions. Conventional approaches relying on rainfall and river runoff in water scarce areas are no longer sufficient to meet human demands.
- What are saline water treatment technologies?
- Saline water treatment technologies have undergone significant advancements in recent years, enabling the production of potable water from seawater and brackish water. This review provides an overview of the current state of saline water treatment technologies, including desalination and membrane-based processes.
