High Molecular Weight Anionic Polyacrylamide - 13% Charge
High Molecular Weight Anionic Polyacrylamide - 18% Charge. Accepta 4212 is a high performance; high molecular weight anionic polyacrylamide scientifically formulated for use in industrial and process wastewater and effluent treatment applications. Accepta 4212 has a mole charge of 18%. Accepta 4212 is ideal for use in mechanical dewatering,...
High Molecular Weight Anionic Polyacrylamide - 10% Charge
High molecular weight anionic polyacrylamide a mole charge of 10% that has been developed for use in wastewater and effluent treatment applications. Accepta 4211 is ideal for use in mechanical dewatering, gravity settling, as a coagulant aid, water clarification, filtration, phosphate removal and as an aid in Dissolved Air Flotation (DAF)...
Properties of Polyacrylamides - polymerdatabase
Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH(CONH 2)-]. It is a non-ionic, watersoluble, and biocompatible polymer that can be tailored to meet a broad range of applications.
Anionic Polyacrylamide Chemicals Flocculant Water Treatment
Anionic Polyacrylamide Chemicals Flocculant Water Treatment Polymer. 1. Product characteristics. Anionic polyacrylamide (APAM) series products are water-soluble linear polymers synthesized under high degree polymerization, easily soluble in water, almost insoluble in the benzene, the ether, the aliphatics, the acetone and other common organic solvents.
Polyacrylamide Molecular Weight and Charge Effects on
different soils with various PAM formulations will enable PAM users the world, anionic PAM of high molecular weight (MW; to select the best PAM product for their soil conditions. 12–15 Mg mol21) and low charge density (CD; 18–20%) is being used quite effectively to stabilize soil structure, which leads to increased infiltration, reduction in water S
POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS ON TREATED
Water soluble anionic polyacrylamide (PAM) polymer with 18% charge density and molecular weight of 12-15 MDa (MDa = 106 Dalton = Mg mold) has been shown to greatly reduce erosion and sediment losses and effectively increase infiltration in furrow irrigated soils (Lentz et al., 1992, 1998; Sojka et al.,
High Molecular Weight Polyacrylamide Polymer ... - alibaba
About 63% of these are paper chemicals, 37% are water treatment chemicals, and 18% are polymer. A wide variety of high molecular weight polyacrylamide polymer options are available to you, such as water treatment chemicals, coating auxiliary agents, and paper chemicals.
The effect of polyacrylamide charge density and molecular
The flocculation of negatively charged fine particles by high molecular weight cationic polyacrylamide occurs by the adsorption of the polyacrylamide chains on to the particle surface. Thus charge neutralization becomes a major mechanism, where the cationic polyacrylamides will locally reverse the particle surface charge.
Polymers: Precipitation and Dewatering - Tramfloc, Inc.
This is simply a measurement of how large or long the chain is. Molecular weights for water treatment polymers range from a few hundred thousand to tens of millions. High molecular weight polymers, those whose molecular weight is above 1 million, are shear sensitive meaning that their chains can be broken into smaller fragments by excessive mixing.
High molecular weight polyacrylamides by atom transfer
Abstract. Through the use of copper (I) chloride (CuCl) and tris(2-dimethylaminoethyl)amine (Me 6-TREN) as a metal/ligand pair, conditions for the robust, fast, and controlled radical polymerization of high molecular weight N-hydroxyethylacrylamide (HEAm),N-isopropylacrylamide (NIPAm), N,N′-dimethylacrylamide (DMAm), and acrylamide (Am) at ambient temperature are reported.
POLYPRO Anionic and Nonionic Polymers Data Sheet
POLYPRO anionic and nonionic polymers are high molecular weight, water-soluble flocculating agents made by the co- polymerization of acrylamide with itself or various anionic (negatively charged) monomers. These polymers are available in both liquid emulsion and granular dry solid grades and cover the full spectrum of charges from 0 to 100%.
Fluid Dynamics and Chemistry in Effective Polymer Mixing for
High Molecular Weight Polymers Dry Polymer – Cationic, anionic, non-ionic – Molecular weight: up to 10 M (cationic), up to 20 M (anionic, non-ionic) – > 95% active – Polymer particle size: 0.1 to 1 mm – Cost: high Emulsion Polymer – Cationic, anionic, non-ionic – Molecular weight: up to 10 M (cationic), up to 20 M (anionic, non-ionic)
China High Quality Flocculant Anionic Polyacrylamide for
For the wastewater which the suspended particles with positive charge, pH is neutral or alkaline, due to the molecular chain of anionic polyacrylamide containing a certain amount of polar groups, which can absorb suspended solid particles in water, make bridge between particles to form large flocculate, so has the effect of accelerating the settlement of particles in the suspension, speeding up the clarification of solution and promoting filtering etc. Widely used in the treatment of ...
Synthesis and Characterization of Poly(Acrylamide-Co-Acrylic
coagulation with inorganic salts. Moreover, large tonnage use of inorganic compounds produces higher volumes of sludge. Among polymeric flocculants, the synthetic polymers can be tailor made by controlling molecular weight, molecular weight distribution, the structure of polymers and the nature and percentage of ionic groups5,6.
polymer anionic flocculant polyacrylamide msds, View anionic
polymer anionic flocculant polyacrylamide msds . Polyacrylamide is, simply called PAM, a water- soluble high polymer and widely used in petroleum, paper-making, metallurgical, textile, chemical and environment protection fields. There are three categories of anionic, cationic and non-ionic type. Application introduction
INFLUENCE OF POLYMER CHARGE TYPE AND DENSITY ON
(4 gpm) for the balance of the irrigation. The nature of charge on the polyacrylamide did influence efficacy of erosion control. On Portneuf soils, the order of effectiveness with respect to PAM charge type was: anionic > neutral > cationic. Within anionic and cationic charge types, polyacrylamide efficacy increased with increasing charge density.
high molecular weight polymer
About 55% of these are paper chemicals, 33% are water treatment chemicals, and 16% are polymer. A wide variety of high molecular weight polymer options are available to you, such as water treatment chemicals, coating auxiliary agents, and paper chemicals.
P2 Assessment of Polymers - US EPA
Guidance for the Assessment of Polymers 2 P2 Assessment of Polymers • Definition of polymer for P2 assessment purposes A polymer is a chemical made up of covalently linked repeating units, generally with MWn >1,000 • < 25% < 1000 • < 10% < 500 • (Q)SAR assessment of polymers may not be possible with some Sustainable Futures
Polyacrylamide degradation and its implications
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 ...
SDS-PAGE - Wikipedia
SDS-PAGE (sodium dodecyl sulfate–polyacrylamide gel electrophoresis) is a variant of polyacrylamide gel electrophoresis, an analytical method in biochemistry for the separation of charged molecules in mixtures by their molecular masses in an electric field.
Polyacrylamide, PAM, anionic polyacrylamide
Such as: metallurgy, mine, coal, aluminium, paper, water in power plant , river gravel and other wastewater treatment. Also it is applicable to the city sewage treatment. It is often used along with inorganic flocculants. 2). The ultra-high molecular weight polyacrylamide is mainly used in EOR exploitation. 3).
Water Soluble Polymers For Industrial Water Treatment
Course Objectives zExplain what water soluble polymers are. zDescribe the 4 physical forms commonly used in industrial applications. zSafety and handling. zWhere are polymers applied.
Anionic Polyacrylamide Flocculant|APAM Powder Suppliers
In the past, the inorganic flocculants were generally used and with a large adding quantity, resulting in raising the secondary mud quantity. Now the anionic polyacrylamide is used as flocculant, its adding quantity is only 1/50 of inorganic flocculant, and its effect is several times better than the inorganic flocculant.
Evaluation of polyacrylamide gels with accelerator ammonium
Soluble HPAM with a molecular weight of 1.8 × 10 7 Da and a hydrolytic ratio of 25%∼35% was furnished by Hengju Chemical, Beijing, China. All of the rest of the materials are supplied by Kelong chemical, Chengdu, China.
EFFECT OF MOLECULAR MASS AND SURFACE CHARGE OF ANIONIC
Tatjana A. Kuljanin et al., Effect of molecular mass and surface charge of anionic polyacrylamide on pectin precipitation, Food and Feed Research, 45 (2), 169-177, 2018 were investigated the influence of surface charge density and molecular weight of anionic polyacrylamide (PAM) on the zeta potential and adsorption/flocculation beha-
Molecules | Free Full-Text | Cationic High Molecular Weight
It can be claimed that the dye removal efficiency of lignin-METAC polymer with a high charge density and a high molecular weight is independent of pH. The total cationic charge (meq/L) of lignin-METAC polymer in the dye solution was determined and is shown in Figure 2 .
Anionic Polyacrylamide : Manufacturers, Suppliers
With different techniques and functional groups, products with different types of charge can be obtained, including the anionic polyacrylamide (APAM), cationic polyacrylamide (CPAM), non polyacrylamide (NPAM) and amphoteric polyacrylamide (ACPAM). The average molecular weight of PAM ranges from thousands to millions and it is the high-molecular ...
Polymer Chemistry: Molecular Weight of Polymers - Blogger
The molecular weight of polymer also depends on how long the molecular weight which can be quoted as degree of polymerisation or D p. D p is the mean number of monomer units per polymer chain. D p is always quoted as an integer and If it is lower 10 so it is called an oligomer not polymer.
Polymer Optimization for Centrifuge Dewatering - CWEA
Type Charge Typical Molecular Weight Cationic Positive Medium to very high Anionic Negative Medium to very high Non-ionic Neutral Medium to very high • Higher charge = more active sites on a molecule • Molecular weight dictates the length of the molecule; higher = longer • Higher molecular weight = harder to get into solution and
anionic flocculant polyacrylamide apam for thickening
Polyacrylamide Water Thickening Agent Manufacturer Blufloc Polyacrylamide (PAM) / Polyelectrolyte is water soluble polymer with Anionic, Cationic and Nonionic types. The range of molecular weight is different, Anionic is from 5 22 million, Cationic is from 5 12 million and Nonionic is from 5 12 million, with a charge density ranging from 0 60%.