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production of anionic polyacrylamide hydrolysis

  • Preparation of Anionic Flocculant by Alkaline

    Preparation of Anionic Flocculant by Alkaline Hydrolysis of Polyacrylamide (Praestol 2500) in Aqueous Solutions and Its Use for Water Treatment Purposes. V. F. Kurenkov 1,2,3, S. V. Snigirev 1,2,3, F. I. Churikov 1,2,3, A. A. Ruchenin 1,2,3 & F. I. Lobanov 1,2,3 Russian Journal of Applied Chemistry volume 74, pages 445–448 (2001)Cite this article

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  • Asian Journal of Chemistry; Vol. 25, No. 13 (2013), 7071 ...

    in 1893, Moureu prepared polyacrylamide by using acryloyl chloride and ammonia in the low temperature. And in 1954, America takes the lead in realizing the industrialization production of pol yacrylamide . Howev er, in the 1960s, APAM was firstly developed through alkaline hydrolysis process in the world. Up to now, synthesis technology of APAM has

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  • Anionic Poly-Acrylamide (aPAM)

    2018-9-7 · The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in soil conditioning. 1, 9, 12,...

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  • Polyacrylamide degradation and its implications in ...

    2015-1-25 · Anionic polyacrylamides are prepared by hydrolysis of the amide groups, resulting in appearance of carboxyl groups (COOH) in the PAM macromolecules which are capable of dissociation. In the present study we applied three anionic PAM samples, differing from each other in molecular weight and degree of hydrolysis (that is the carboxyl groups content).

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  • Anionic Polyacrylamide Chemicals Flocculant Water ...

    5. Other industries of anionic polyacrylamide, food industry, used for the clarification of cane juice and the extraction of phosphorus floatation in syrup in the production of cane sugar and beet sugar. The enzyme preparation fermentation liquid is flocculated and clarified in industry, and can also be used for the recovery of feed protein.

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  • Modification of the alumina surface properties by

    2015-8-1 · It was found that the hydrolysis of polyacrylamide PAM amino group was slow in neutral condition, and the hydrolysis degree was not changed in 10 days at 40. But the hydrolysis process can be promoted by acid, alkali and heat.

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  • Polyacrylamide, Anionic Polyacrylamide, flocculant

    2021-7-7 · Hydrolysis of the C-PAM The change in charge density of C-PAM was monitored as previously described (Aksberg and Wågberg 1989). A C-PAM solution of 190 g (0.0105 wt%) was stirred in a beaker using a magnetic stirrer (WiseStir, Daihan Scientific, Wonju, Korea) with a built-in temperature controller at a speed of 300 rpm.

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  • Acid hydrolysis reaction of polyacrylamide and its ...

    2018-3-1 · Mechanism explorations revealed that the addition of cPAM significantly restrained the sludge solubilization, hydrolysis, acidogenesis, and methanogenesis processes. It was found that ∼46% of cAPM was degraded in the anaerobic digestion, and the degradation products significantly affected methane production.

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  • China PAM-Anionic Polyacrylamide manufacturers

    2021-7-2 · Anionic Polyacrylamide. Appearance. White Fine-Sand Shaped. Powder. Milky White. Emulsion. Molecular Weight. 15million-25million l onicity Viscosity 6-10. Degree of Hydrolysis% 10-40. 30-35. Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.

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  • Polyacrylamide, Process technology comparison of ...

    The hydrolysis reaction partially converts the macromolecular nonionic polyacrylamide into anionic polyacrylamide, and the hydrolysis and curing time takes about 2~4h. After the hydrolysis is completed, the material falls from a high position into the post-hydrolysis bin by gravity.

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  • Preparation of Anionic Flocculant by Alkaline

    A study was made of the low-temperature hydrolysis of high-moleculer-weight polyacrylamide Praestol under the action of NaOH in dilute aqueous solution. The performance of the hydrolyzed and nonhydrolyzed polymer when combined with aluminum sulfate in …

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  • Production and Application of Triblock Hydrolysis Lignin ...

    2021-2-23 · Production and Application of Triblock Hydrolysis Lignin-Based Anionic Copolymers in Aqueous Systems Sanaz Sabaghi, Niloofar Alipoormazandarani, and Pedram Fatehi* Cite This: ACS Omega 2021, 6, 6393−6403 Read Online ACCESS Metrics & More Article Recommendations *sı Supporting Information ABSTRACT: Although lignin is currently an under ...

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  • Acid hydrolysis reaction of polyacrylamide and its ...

    2015-8-1 · Polyacrylamide PAM acidic hydrolysis, in addition to the AM structure produced by hydrolysis of carboxyl, but also prone to imidization. This reaction increases with the increase of the acidity of the ring, and even becomes the main reaction in the acid condition. In the case of PH 4, 3, 10% of the acyl groups were generated at 40, 6 h, 10% h ...

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  • Acrylamide production methods - CHINAFLOC

    2015-3-14 · Acrylamide production methods. 2015-03-14 08:51:42. Edit this paragraph production technology in 1954, American Cyanamid Company first developed legal sulfate production technology, the industrial production. Since then, acrylamide production process has undergone two changes: the mid-invented the copper-catalyzed hydration of the 1970s, mid ...

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  • Polyacrylamide PAM Flocculant for Water Treatment -

    According to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide, anionic polyacrylamide, cationic polyacrylamide and amphoteric polyacrylamide.At present, the PAM water treatment is generally anionic type, that is, adding an appropriate amount of sodium hydroxide to hydrolyze, so that part of the amide group becomes carboxyl, and the degree of hydrolysis is ...

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  • Nonionic polyacrylamide - Gongyi Xinqi Chemical

    Anionic polyacrylamide. Anoinic polyacrylamdie APAM flocculant. Anionic polyacrylamide is a kind of water-soluble polymer. it is widely used in oil recovery, mineral processing, coal washing, metallurgy, chemicals, paper, textile, agriculture and other industries.

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  • How do polyacrylamide manufacturers identify the

    2015-7-6 · During the anaerobic digestion of dewatered sludge, polyacrylamide (PAM), a chemical conditioner, can usually be consumed as a carbon and nitrogen …

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  • Polyacrylamide, Process technology comparison of ...

    The hydrolysis reaction partially converts the macromolecular nonionic polyacrylamide into anionic polyacrylamide, and the hydrolysis and curing time takes about 2~4h. After the hydrolysis is completed, the material falls from a high position into the post-hydrolysis bin by gravity.

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  • ACRYLAMIDE AND POLYACRYLAMIDE - IHS Markit

    Report No. 99 ACRYLAMIDE AND POLYACRYLAMIDE by YEN-CHEN YEN e June 1976 a A private report by the PROCESS ECONOMICS PROGRAM l STANFORD RESEARCH INSTITUTE

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  • Anionic polyacrylamide, APAM

    2020-9-24 · Anionic polyacrylamide (APAM) is a copolymer of acrylamide and acrylate. It is a water-soluble linear polymer flocculant. It neutralizes the charge on the surface of suspended particles in water to promote particle flocculation, thereby destabilizing the particles in the water. The particles are adsorbed to each other under the bridging effect of the active gene of the polymer, and eventually ...

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  • Nonionic polyacrylamide - Gongyi Xinqi Chemical

    Anionic polyacrylamide. Anoinic polyacrylamdie APAM flocculant. Anionic polyacrylamide is a kind of water-soluble polymer. it is widely used in oil recovery, mineral processing, coal washing, metallurgy, chemicals, paper, textile, agriculture and other industries.

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  • ANIONIC POLYACRYLAMIDE | Ataman Kimya A.Ş.

    Anionic Polyacrylamide is widely used in Oil & Gas, water treatment, textile, printing and dyeing, papermaking, mineral processing, coal washing, medicine, sugar, breeding, building materials, agriculture and other industries. It is known as the most widely used additive. Anionic polyacrylamide is the generic name for a group of very high ...

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  • anionic polyacrylamide phpa pam, anionic

    anionic polyacrylamide phpa pam, Wholesale Various High Quality anionic polyacrylamide phpa pam Products from Global Sodium Tripolyphosphate Suppliers and anionic polyacrylamide phpa pam Factory,Importer,Exporter at Okchem.com.

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  • Production and Application of Triblock Hydrolysis

    2021-2-23 · The results showed that water-sol. oxidized hydrolysis lignin (OHL) with an anionic charge d. of 0.9 mmol/g, carboxyl group content of 1.7 mmol/g and mol. wt. of 6200 g/mol was obtained under the reaction conditions of 1/1 M ratio of sodium periodate/lignin, pH 5, 50 °C and 2 h.

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  • China PAM-Nonionic Polyacrylamide manufacturers

    2021-7-2 · PAM-Nonionic Polyacrylamide is widely applied in the production of various types of industrial enterprises and sewage treatment. Item: Nonionic Polyacrylamide Appearance: White or Light Yellow Granular or Powder Molecular Weight: 8million-15million Degree of Hydrolysis: 5

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  • Water Soluble High Polymer Anionic Polyacrylamide

    Water Soluble High Polymer Anionic Polyacrylamide C13 14 Isoparaffin Laureth 7305. This product is a water- soluble high polymer.It's not soluble in most organic solvents, with good flocculating activity, and can reduce the friction resistance between liquid.The adsorption and decolorization properties of polyacrylamide are commonly used in the papermaking, printing and dyeing, textile and ...

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  • anionic polymer supplier, anionic polymer supplier ...

    With a good vision of the mining industry chemicals products and great financial support, we establish the factory and invest production lines. Our Polyacrylamide, include anionic, cationic and nonionic , had been widely applied in waste water treatment, mineral processing, printing and drying industries.

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  • china Anionic Polyacrylamide production uses

    2020-9-24 · Anionic polyacrylamide (APAM) is a copolymer of acrylamide and acrylate. It is a water-soluble linear polymer flocculant. It neutralizes the charge on the surface of suspended particles in water to promote particle flocculation, thereby destabilizing the particles in the water. The particles are adsorbed to each other under the bridging effect of the active gene of the polymer, and eventually ...

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  • Anionic polyacrylamide, APAM

    China Partially Hydrolyzed Magnafloc Anionic Polyacrylamide Copolymer PHPA Alemania, Find details about China Polyacrylamide, PAM from Partially Hydrolyzed Magnafloc Anionic Polyacrylamide Copolymer PHPA Alemania - Henan Lvyuan Water Treatment Technology Co., Ltd.

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  • China Anionic Polyacrylamide Manufacturers,

    Anionic polyacrylamide. Anoinic polyacrylamdie APAM flocculant. Anionic polyacrylamide is a kind of water-soluble polymer. it is widely used in oil recovery, mineral processing, coal washing, metallurgy, chemicals, paper, textile, agriculture and other industries.

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  • Partially Hydrolyzed Magnafloc Anionic

    China Producer Flocculation Coagulation Anionic Polyacrylamide, Find details about China Anionic Polyacrylamide, Coagulation Anionic Polyacrylamide from China Producer Flocculation Coagulation Anionic Polyacrylamide - Zibo Welldone International Trade Co., Ltd.

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  • Nonionic polyacrylamide - Gongyi Xinqi Chemical

    The method of Polyacrylamide production technology. Emulsion polymerization is another important synthesis method polyacrylamide, which is a conventional operation in the dispersed aqueous acrylamide solution in an organic solvent such as gasoline, with vigorous stirring, the solution was uniformly dispersed emulsion system is formed, followed by the addition of acrylamide initiator reaction ...

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  • China Producer Flocculation Coagulation Anionic

    According to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide, anionic polyacrylamide, cationic polyacrylamide and amphoteric polyacrylamide.At present, the PAM water treatment is generally anionic type, that is, adding an appropriate amount of sodium hydroxide to hydrolyze, so that part of the amide group becomes carboxyl, and the degree of hydrolysis is ...

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  • nonionic polyacrylamide method of operation new

    2015-7-6 · During the anaerobic digestion of dewatered sludge, polyacrylamide (PAM), a chemical conditioner, can usually be consumed as a carbon and nitrogen …

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  • Polyacrylamide PAM Flocculant for Water Treatment -

    2021-2-23 · The results showed that water-sol. oxidized hydrolysis lignin (OHL) with an anionic charge d. of 0.9 mmol/g, carboxyl group content of 1.7 mmol/g and mol. wt. of 6200 g/mol was obtained under the reaction conditions of 1/1 M ratio of sodium periodate/lignin, pH 5, 50 °C and 2 h.

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  • low hydrolysis degree of anionic polyacrylamide for

    low hydrolysis degree of anionic polyacrylamide for mineral . Low hydrolysis degree of anionic polyacrylamide for mineral processing. 1. Product characteristics In most mineral processes where there is a flocculant requirement for either a sedimentation or centrifugation application then a high or ultra high molecular weight product is desired.

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  • low hydrolysis degree of anionic polyacrylamide |

    Acid hydrolysis reaction of polyacrylamide and its application - Acrylamide manufacturer, Polyacrylamide supplier, China Flocculant&Anionic. It was found that the hydrolysis of polyacrylamide PAM amino group was slow in neutral condition, and the hydrolysis degree was not changed in 10 days at 40.

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  • Polyacrylamide hydrolysis - Big Chemical Encyclopedia

    Polyacrylamide hydrolysis Hydrolyzed Polyacrylamide.HPAM (6) can be prepared by a free-radical process ia which acrylamide is copolymerized with incremental amounts of acryUc acid or through homopolymerization of acrylamide followed by hydrolysis of some of the amide groups to carboxylate units. Postreactions of polyacrylamide to iatroduce anionic, cationic, or other functional groups are ...

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  • China Anionic Polyacrylamide Manufacturers,

    According to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide, anionic polyacrylamide, cationic polyacrylamide and amphoteric polyacrylamide.At present, the PAM water treatment is generally anionic type, that is, adding an appropriate amount of sodium hydroxide to hydrolyze, so that part of the amide group becomes carboxyl, and the degree of hydrolysis is ...

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  • China Oil Field Chemicals Polyacrylamide

    2014-10-16 · Polyacrylamide is a polymer (-CH2CHCONH2-) formed from acrylamide subunits, it is long-chain polymer (same molecule repeating itself many times) designed to attract either positively charged particles (organic materials, such as carbon or human waste) or negatively charged particles (inert materials, such as sand or clay). The abbreviation of polyacrylamide is PAM, it is a chemical which ...

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  • Polyacrylamide PAM Flocculant for Water Treatment -

    2017-3-22 · Mg mol-1) anionic polymers (Fig. 1). Figure 1. Molecular structure of anionic polyacrylamide. The percent of sodium acrylate copolymerized in PAM is expressed as the charge density, which generally ranges from 2 to 40% for commercially available PAMs (Barvenik, 1994). Specifically, the charge density is the percent of

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  • Anionic/Cationic PAM|Polyacrylamide Polymer

    2015-7-6 · During the anaerobic digestion of dewatered sludge, polyacrylamide (PAM), a chemical conditioner, can usually be consumed as a carbon and nitrogen …

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  • environmental hydrolyzed anionic polyacrylamide ...

    2021-5-30 · Anionic Polyacrylamide (PAM)/Polyelectrolyte, for water treatment, for suldge treatment. which is widely used as flocculant.Our products are widely used in paper making industries, rubber industries, leather industries for waste water treatment chemicals.oil extraction(EOR), environment protection,construction materials and agriculture,As well

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  • Turbidimetric Determination of Anionic

    Automated and Manual Methods for the Determination of Polyacrylamide and Other Polyacrylamide and Other Anionic Polymers. ... hydrolysis, with detection of the resulting ammonia; the starch iodide method (redox titration); and turbidimetry. ... S turbidimetric method to the analysis of polyacrylamides in oilfield brine and production core tests ...

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  • Automated and Manual Methods for the

    2021-3-27 · Anionic polyacrylamide, copolymerized by acrylamide and acrylate monomer, is a water-soluble. synthetic polymer, which has the properties of flocculation, thickening, shear, resistance reducing. and dispersion, etc.. The active groups in molecular can be adsorbed at the interface to change. the interface state.

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  • Anionic polyacrylamide-Product-Lvyuan chemical

    2011-6-9 · Anionic polyacrylamide 1.Oil-displacing agent of oil field tertiary oil recovery 2.Well drilling mud raw materials Anionic PAM Technical Indicators Performance Indicators of Anionic-polyacrylamide: (Enterprise Standard: Q/AJC002-2006) Trademark Molecular Weight (million) Degree of Hydrolysis Solid Content% Effective PH Range Residual Monomer ...

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  • How do polyacrylamide manufacturers identify the

    Henan Runquan Purification Material Co., Ltd has one chemical polyacrylamide production line with the annual output of 10000 tons; Two front hydrolysis lines 3000 tons anionic, 1000 cationic and 500 nonionic separately; it also a polyaluminium chloride oil ...

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  • Water Treatment Chemicals: Anionic PAM

    2014-7-15 · Polyacrylamide (PAM) and its derivatives are the most commonly used polymers in the preparation of polymeric gels for water control in petroleum reservoirs. This study involved the use of polyethylenimine (PEI) as a crosslinker for PAM. In this study, we investigated PAM alkaline hydrolysis at high temperatures.

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  • Wholesale Detergent Raw Materials Anionic

    Detergent Raw Materials Anionic Polyacrylamide for Industry Chemical Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.

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