- Classification: chemical auxiliary agent
- Appearance: white free flowing granular
- CAS No.:9003-05-3168
- Type: anionic,cationic
- Formula: (C3h5no)N
- Solid Content: ≥89.5%
- Application：papermaking,sugar industries
- Transport Package: 25kg kraft paper or customization
- Delivery: 5-15days after deposit
optimizing the conditions of cationic polyacrylamide inverse
polyacrylamide, a water–soluble polymer formed by the polymerization of acrylamide monomers, is among the most used chemicals for wastewater treatment and sludge dewatering [4,5,6]. cationic polyacrylamide (cpam) is one of the most widely applied polymers due to its high performance in flocculation, sludge dewatering, and harvesting
research on a new cationic polyacrylamide (cpam) with high quality,the cationic monomers on these microblock segments can be polymerized to form a cpamd with a new cationic microblock structure. in addition, microwave has mechanical effects such as oscillation, emulsification, and diffusion, which can accelerate the heat and mass transfer process of the reaction system, thus accelerating the reaction rate (wiesbrock et al. 2004; hoogenboom and schubert 2007
synthesis and evaluation of cationic polyacrylamide flocculant
the ionic strength also affected natural-based polymers (e.g. chitosan and cationic polyacrylamide) [39], [40]. however, nguyen et al., [32] observed high flocculation efficiency of marine microalgae phaeodactylum tricornutum with a cationic polyacrylamide flocculant (fo3801). the discrepancy in the literature suggested that a future flocculation study
optimization conditions to obtain cationic polyacrylamide,we successfully synthesized three cpam emulsions with a wide range of cationic degrees: low (21.85%), medium (40.25%), and high (71.17%) levels of cationic degree. the optimized conditions for these cpam were as follows: monomer concentration of 25%, content of monomer cation of 22.5%, 44.41%, and 77.61%, respectively, and initiator content of
water soluble polymer flocculants synthesis
polymer adsorption can occur through hydrogen bonding (polyacrylamide on silica silanol groups), electrostatic interaction (cationic polymers on negatively charged sludge), hydrophobic interaction (poly(vinyl alcohol) on silver iodide), and ion bridging (anionic polyacrylamide on negatively charged clays with the help of divalent calcium ion). 7
polyacrylamide suppliers usa american chemical suppliers,polyacrylamide quick inquiry where to buy suppliers range: polyacrylamide is a labelled analogue of glycerol (g), which is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis.
degradation of polyacrylamide and its significance in nature
high mw anionic pam is also the most commonly applied polymer in enhanced oil recovery applications; the use of surfactant-polymer flooding can increase oil recovery by 5–30% 14 and in some
best price polyacrylamide manufacturers and suppliers in uk.looking for polyacrylamide manufacturers and suppliers in uk, here we listed best price polyacrylamide manufacturers and suppliers in uk. there are three categories of anionic, cationic and non-ionic type. different application need different grade of polyacrylamide.
optimization conditions to obtain cationic polyacrylamide
the synthesis of cationic polyacrylamide (cpam) with the desired cationic degree and molecular weight is essential for various industries, including wastewater treatment, mining, paper, cosmetic chemistry, and others. previous studies have already demonstrated methods to optimize synthesis conditions to obtain high-molecular-weight cpam emulsions and the effects of cationic degrees on
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anionic polyacrylamide apam water treatment chemicals
cas no: 9003-05-8. hs code: . mf: (c3h5no)n. anionic polyacrylamide apam is a polyacrylamide with electronegativity, and its functional group is sulfonic acid, phosphoric acid and carboxylic acid. in the process of wastewater treatment, flocculation is regarded as an important purification technology.
vietnam anionic polyacrylamide imports volza.com,vietnam import data, anionic polyacrylamide import shipments in vietnam stood at 1.3k, imported by 257 vietnam importers from 172 suppliers.; vietnam imports most of its anionic polyacrylamide from vietnam, china and united kingdom and is the largest importer of anionic polyacrylamide in the world.
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nonionic polymer cross-linked chitosan hydrogel: preparation,a straightforward method to prepare nonionic polymer (polyacrylamide, pam) cross-linked chitosan hydrogel has been developed. the chitosan-polyacrylamide (cspam) hydrogel could be quickly obtained by simply mixing of chitosan and polyacrylamide solutions under very benign condition (room temperatur …
9003-05-8 polyacrylamide sale from quality suppliers
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polyacrylamide-grafted legume starch for wastewater treatment
polyacrylamide as traditional flocculant begins to draw the public awareness because of its non-biodegradable nature which may cause the long-term environmental degradation problems. a new high-efficient flocculant was synthesized by legume starch and acrylamide to satisfy the demand of coalmine wastewater treatment. grafting acrylamide onto mung bean starch was investigated and the
pam cationic polyacrylamide powder flocculating agent for oil,high quality pam cationic polyacrylamide powder flocculating agent for oil gas field from china, china’s leading cationic polyelectrolyte water treatment product, with strict quality control cationic polymer for sludge dewatering factories, producing high quality cationic polymer for sludge dewatering products.
- How is an anionic polyacrylamide flocculant synthesized?
- In this study, an anionic polyacrylamide flocculant was synthesized by ultrasonic initiated template copolymerization (USTP), using sodium allylsulfonate (SAS) and acrylamide (AM) as monomers, poly diallyl dimethyl ammonium chloride (polyDADMAC) as template, and 2,2′-azobis [2- (2-imidazolin-2-yl) propane] dihydrochloride (VA-044) as initiator.
- What is a polymer flocculant?
- Among the synthetic polymer flocculants, the most important is water-soluble polyacrylamide (PAM)—a non-ionic, amorphous polymer which can be modified to ionic form in the copolymerization process [ 8, 9, 10 ]. The acrylamide monomer can be used for grafting or crosslinking of other type of polymers.
- Which cationic polymers are used as flocculants for silica aggregates?
- An example is work by Zhou and Framks [ 31 ], where three cationic polymers (homopolymer of diallyldimehylammonium chloride and its two copolymers with acrylamide) of different molecular weights (1.1–3.0 × 10 5 g/mol) and charge density (CD) (10%, 40%, and 100%) were used as flocculants for silica aggregates.
- Are synthetic polymers effective flocculants?
- Synthetic polymers are highly effective flocculants at low dosages but have poor shear stability. In the case of water-soluble polymers, their flocculating effect depends on the size of the random coils (i.e., the radius of gyration), which are the privileged conformation in solution.
