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Watersolubleanionic polyacrylamide (PAM) was found to be a highly effective erosion-preventing and infiltration-enhancing polymer, when applied at rates of 1-10 g m(-3) in furrow irrigation water.
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The lowest water turbidity values were obtained by cationic polymer at low polymer dosages (<1.5 mg/L), however the low anionic and nonionic polymers produced lower turbidity values at higher
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Specification of Cationic Polyacrylamide. Cationic Polyacrylamide is a kind of high molecular polymeric electrolyte with water-solubility. It has active groups with rather strong positive charge and an effective function of floe collation. It is easily soluble in water and not soluble in some organic solvent like ethanol and acetone.
This product is technically named Polyacrylamide, which is a water soluble macromolecular polymer. It is insoluble in most organic solvents. It generates a good flocculation and reduces the resistance between liquids. Item Index Appearance white sand-like powder or colorless transparent colloid Molecular Weight 4-13 million Anionic Degree 0-100%
Water-soluble sulfonated lignin from different pulping processes have been successfully extracted (Sitter et al., 2014;Tarasov et al., 2015) and used in a wide variety of applications such as
Qiang Ye, Zhicheng Zhang, Xuewu Ge, Highly efficient flocculant synthesized through the dispersion copolymerization of water‐soluble monomers induced by γ‐ray irradiation: Synthesis and polymerization kinetics, Journal of Applied Polymer Science, 10.1002/app.12356, 89, 8, (2108-2115), (2003).
The clinical applications of natural anticancer drugs are being restricted by poor water solubility, fast clearance in the circulation, lack of targeting to tumor cells, and poor tissue penetration.
Nonionic polyacrylamide exhibits neutral nonionic properties in the aqueous solution which is hardly influenced by the PH value in the application. nonionic flocculants are suitable for use as a settlement aid in many different mineral-processing applications and are particularly effective under very low PH conditions, as encountered in acidic leach operations.
The economic benefits of the paper industry made it one of the most important industrial sectors in the world. This review will focus on the recent development of nanotechnology, in the context of additives used in the paper industry. Nanotechnology is used to alter the production process based on the changes towards resource-based and industrial knowledge, prompting the changes in a similar
Dispersant loss into seawater due to oil-into-water spontaneous emulsification may explain why Tween 80-rich dispersants are less effective than lecithin-rich dispersants with comparable
A binder for pelletizing particulate mineral material. The binder including about 30-99.5% modified native starch, and about 0.2-80% of water-dispersible polymer material selected from the group consisting of water-dispersible natural gums, water-dispersible pectins, water-dispersible starch derivatives, water-dispersible cellulose derivatives, water-dispersible vinyl polymers, water
The anionic polymerization of propylene oxide was rapidly developed in the 1940s to generate liquid polyols that were established for hydraulic fluids and lubricants. The introduction of PEO as polar, water-soluble block for nonionic surfactants represents another key development in the 1950s.
Superplasticizers are a class of high‐performance anionic polymers that is designed to modify rheological properties of hydraulic cement. 75, 76 Gupta et al. demonstrated high‐performance dispersants obtained through a grafted architecture using RAFT polymerization of polyacrylamide from a lignin macroinitiator [Scheme 1(b)]. 15 Significant
Water content ≤ %wt 1.5 1.5 1.5 1.5 Reactivation: 1. Removal of water: Hot gas at 200-350°C and pressure 0.3-0.5Kg/cm2 flows through the molecular sieve bed for 3-4 h. lettemperature decreases down to 110-180°C, cooling. 2. Removal of organics: Regeneration is achieved by means ofsteam treatment to remove organics, and then remove water