The effect of polyacrylic acid and reaction conditions
The precipitation of micro- and nanoparticles of calcium carbonate onto lignocellulosic microfibers was investigated at different microfiber concentrations with and without polyacrylic acid (PAA), i.e. a polymer commonly used to form polymer-induced liquid precursors of CaCO3. Concentrations of PAA, Ca(OH)2, CO2 and microfiber were varied in order to study the impact of reaction conditions on
Request PDF | Application of PVAm for Strength Improvement of TMP Mixed Tissue Paper | In this study, dual dry strength agents (PVAm and anionic PAM) with fast adsorption rate were used to improve
Role of cationic polyacrylamide in fiber‐CaCO3 pigment
Role of cationic polyacrylamide in fiber‐CaCO3 pigment interactions Article in Journal of Applied Polymer Science 88(10):2409 - 2415 · June 2003 with 7 Reads How we measure 'reads'
Kemira Ltd. (Finland) provided cationic polyacrylamide (C-PAM, grade Fennopol K3400R), which was used as a retention aid in hand sheet preparation. As a reference pigment, commercial scalenohedral precipitated calcium carbonate (PCC, grade Syncarb FS-240 from Omya AG, Switzerland) was utilized in hand sheets.
A new and simple way of preparing polycation‐grafted
A new way of producing polycation-grafted fibrous cellulose for its use as a retention aid in the papermaking process was conceived. It consists of adding, under intense stirring, to a cellulose
Effects of A-PAM/C-PAM complexes on retention, formation and dewatering of papermaking pulp Role of cationic polyacrylamide in fiber‐CaCO3 pigment interactions the processes of polymer
B. Alince's research works | McGill University, Montréal
B. Alince's 33 research works with 674 citations and 875 reads, including: Effects of Surface Topography, pH and Salt on the Adsorption of Polydisperse Polyethylenimine onto Pulp Fibers
Effects of cationic polyacrylamide characteristics on sewage sludge dewatering and moisture evaporation. May 30, 2014 [ MEDLINE Abstract] Altered formalin-induced pain and Fos induction in the periaqueductal grey of preadolescent rats following neonatal LPS exposure. May 30, 2014 [ MEDLINE Abstract]
Environmental science and pollution research international
Investigation on heat transfer enhancement of conventional and staggered fin solar air heater coated with CNT-black paint-an experimental approach
This symposium will bring together the diverse community of materials scientists, chemists, biologists and bioengineers focused on synthesis, characterization and design of smart biointerfaces. The most recent advances in fundamental studies, nano-bio material synthesis and biodevice design will be presented, offering unique opportunities for dissemination and synergy development.Scope:
alagappauniversity.ac.in
Economic Importance of Alg Macro And Micro Algae 1 ae-Fresh Water And Marine Algae-Occurrence–Distribution-Cultivation-Importance Of Cultivation NOTES Self-instructional Mate
This symposium is composed of SPECIAL SESSIONS covering hot topics such as biomimetic materials, supramolecular nanomaterials and smart materials. These materials find applications in a range of fields encompassing smart living building and human health.Scope:The newest research ideas and nanotechnologies from smart (nano)materials, integrated systems to robotic devices will be presented.
- What factors affect the flocculation effect of cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (CPAM) is a commonly used flocculant for water treatment. Factors that affect the flocculation effect and can be controlled manually include the type and dosage of CPAM, wastewater pH, stirring time and settling time, and their reasonable setting is critical to the flocculation effect of CPAM.
- Which cationic polymer has the best flocculation efficiency?
- The PAmPTAC polymer had an optimal dose at 252 mg/g dry biomass. The difference in flocculation efficiency between two polymers is likely due to the differences in molecular weight. In the flocculation process by cationic polymers, charge neutralization of microalgal cells initiates floc formation.
- How do cationic polymers cause flocculation?
- In the flocculation process by cationic polymers, charge neutralization of microalgal cells initiates floc formation. High molecular weight polymer (i.e. very long chain of monomers) bridges destabilised microalgae flocs , , .
- What is cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (CPAM) is one of the most frequently used flocculants with high intrinsic viscosity and charge density. This flocculant is a water-soluble acrylamide-based polymer having cationic quaternary ammonium groups .
