• papermaking process nalco chemical company

    Papermaking process Nalco Chemical Company

    1993-06-22· In a papermaking process a paper product is formed from a mineral filler containing cellulosic slurry. Retention performance is provided by the sequential addition of a cationic charge-biasing species, an anionic flocculant, and then a certain microparticle.

  • papermaking process nalco chemical company

    Papermaking process Nalco Chemical Company

    1997-01-21· A papermaking process comprising forming an aqueous cellulosic papermaking slurry and adding a cationic polymer and an anionic polymer to the slurry to

  • papermaking process nalco chemical company

    Papermaking process NALCO CHEMICAL COMPANY

    2002-07-03· Abstract of EP0805234 The claimed invention comprises a papermaking process comprising forming an aqueous cellulosic papermaking slurry, subjecting the slurry to one or more shear stages, adding to the slurry a mineral filler prior to at least one of the shear stages, adding to the slurry after the addition of the mineral filler and prior to at least one of the shear stages an effective amount

  • pulp and paper industry solutions nalco water

    Pulp and Paper Industry Solutions Nalco Water

    From improving end-quality board quality to increasing tissue towel mill productivity, Nalco technical consultants bring decades of experience and ensure that customers receive multiple one-on-one interactions throughout their Nalco journey. Nalco Water is committed to safety and reliable operations in our service to our pulp and paper customers.

  • nalco holding company

    Nalco Holding Company

    The company was founded in 1928 as the National Aluminate Corporation, formed from the merger of Chicago Chemical Company and the Aluminum Sales Corporation. By a series of mergers and acquisition, its name was changed to Nalco Chemical Company (1959 1999); then Ondeo Nalco Company (1999 2004); and in 2004 to Nalco Holding Company. It

  • papermaking aid nalco chemical company

    Papermaking aid Nalco Chemical Company

    1988-06-14· Papermaking aid . United States Patent 4750974 . Abstract: An improved binder for use in paper-making contains three ingredients, a cationic starch having a degree of substitution of at least 0.01, a high molecular weight anionic polymer having a molecular weight of at least 500,000 and a degree of anionic substitution of at least 0.01, and a dispersed silica having a particle size ranging

  • reinventing the way water is managed nalco water

    Reinventing the Way Water is Managed Nalco Water

    Nalco Company is the world's leading water treatment and process improvement company. We help our customers reduce energy, water and natural resource consumption, minimizing environmental releases while boosting the bottom line.

  • us5507914a process for enhancing the freeness

    US5507914A Process for enhancing the freeness

    A process for enhancing the freeness of paper pulp, which comprises the steps of adding to the pulp from about 0.5 to about 2.5 kilograms per ton based on the dry weight of the pulp, of a cellulolytic enzyme at the vertical tank of the papermaking process, allowing the pulp to contact the cellulolytic enzyme for from about 30 minutes to about 60 minutes, adding at least 0.011%, based on the

  • de69713677t2 paper-making process google patents

    DE69713677T2 Paper-making process Google Patents

    DE69713677T2 DE1997613677 DE69713677T DE69713677T2 DE 69713677 T2 DE69713677 T2 DE 69713677T2 DE 1997613677 DE1997613677 DE 1997613677 DE 69713677 T DE69713677 T DE 69713677T DE 69713677 T2 DE69713677 T2 DE 69713677T2 Authority DE Germany Prior art keywords paper making process making process Prior art date 1996-05-01 Legal status (The legal status is

  • us5221435a papermaking process google patents

    US5221435A Papermaking process Google Patents

    In a papermaking process a paper product is formed from a mineral filler containing cellulosic slurry. Retention performance is provided by the sequential addition of a cationic charge-biasing species, an anionic flocculant, and then a certain microparticle. A shear stage is interposed between the flocculant addition and the microparticle addition.

  • patents assigned to nalco chemical company justia

    Patents Assigned to Nalco Chemical Company Justia

    2000-10-30· Justia Patents Patents Assigned to Nalco Chemical Company Patents Assigned to Nalco Chemical Company Method for inhibiting the formation and deposition of silica scale in water systems. Patent number: 6461518 Abstract: This invention relates to a method for inhibiting the formation and deposition of silica scale in water systems. The method includes treating the water in such water

  • wrapping up savings in papermaking ecolab

    Wrapping Up Savings in Papermaking Ecolab

    Our team reviewed all aspects of the papermaking operation to identify areas for improvement that could positively impact the key performance indicators improvement in on-machine efficiency, increased machine speed, increased sheet ash content, reduced chemical costs and improved sheet quality. We found that the locations for chemical

  • nalco water & process services, an ecolab company

    Nalco Water & Process Services, an Ecolab Company

    Nalco Company was founded in 1928 and has grown to be the world's leading water treatment and process improvement company delivering significant environmental, social and economic performance benefits to a variety of industrial and institutional customers

  • us5595629a papermaking process google patents

    US5595629A Papermaking process Google Patents

    A papermaking process comprising forming an aqueous cellulosic papermaking slurry and adding a cationic polymer and an anionic polymer to the slurry to increase retention and/or drainage is disclosed. The anionic polymer comprises a formaldehyde condensate of a naphthalene sulfonic acid salt (NSF) with a molecular weight range of 500 to 120,000, while the cationic polymer has a molecular

  • wo2006135612a3 method for monitoring organic

    WO2006135612A3 Method for monitoring organic

    Method for monitoring the deposition of organic deposits from a papermaking liquid or slurry. The method involves measuring the rate of deposition of organic deposits from the liquid or slurry of a papermaking process onto a quartz crystal microbalance having a top side in contact with the liquid or slurry and the bottom side isolated from the fluid.

  • nalco chemical corporation -- company history

    Nalco Chemical Corporation -- Company History

    At its inception, Kern's Chicago Chemical Company marketed a water treatment product called Colline to industrial plants in the Chicago area. Unfortunately for the company, the chemical, while very effective on Chicago water, was not quite so effective on other water supplies. Kern found that water was not the same everywhere, and that

  • paper chemical manufacturers paperonweb

    PAPER CHEMICAL MANUFACTURERS Paperonweb

    Click at For a list of Chemical Used in Pulp and Paper Making and Paper Coating. For all you want to know about Papermaking Wet End Chemistry. CHEMICALS (GENERAL) Air Products and Chemical Inc., Allentown, PA, USA; Ashland Inc., Boonton, NJ, USA

  • nalco introduces pareto wet-end optimization

    Nalco Introduces PARETO Wet-End Optimization

    A novel method for optimizing wet-end additive addition to the papermaking process, delivering fresh water, energy and chemical savings. Naperville, IL — Nalco Company has introduced Pareto(tm) wet-end optimization technology to the global pulp and paper market.

  • patents assigned to nalco chemical justia patents search

    Patents Assigned to Nalco Chemical Justia Patents Search

    Abstract: An automated chemical storage and chemical feed system for a use station to chemically treat and monitor a process at a use station where the process is being run, including one or more base chemical supply tanks at the use station storing chemicals and intermittently or continuously feeding the chemicals to the process. A level sensor is provided in each base tank to determine the

  • papermaking! pita

    PAPERmaking! PITA

    a molecular weight of approximately (6.5±0.5)×106 g/mol was supplied by Nalco Chemical Company, Nanjing, China. CPAM solution (0.01% (w/v)) was prepared daily with deionized water and stirred by a magnetic stirrer at room temperature for 30 min. Fines were produced by extensively refining the bleached softwood kraft pulp to a

  • wrapping up savings in papermaking ecolab

    Wrapping Up Savings in Papermaking Ecolab

    Wrapping up savings in papermaking In the pulp and paper industry, production efficiency is critical. And when a leading global pulp and paper company introduced a new set of key performance indicators designed to help measure tangible improvements in productivity and consequent reductions in cost at one of its mills they came to us for help.

  • paper chemical manufacturers paperonweb

    PAPER CHEMICAL MANUFACTURERS Paperonweb

    Click at For a list of Chemical Used in Pulp and Paper Making and Paper Coating. For all you want to know about Papermaking Wet End Chemistry. CHEMICALS (GENERAL) Air Products and Chemical Inc., Allentown, PA, USA; Ashland Inc., Boonton, NJ, USA

  • nalco introduces pareto wet-end optimization

    Nalco Introduces PARETO Wet-End Optimization

    A novel method for optimizing wet-end additive addition to the papermaking process, delivering fresh water, energy and chemical savings. Naperville, IL — Nalco Company has introduced Pareto(tm) wet-end optimization technology to the global pulp and paper market.

  • patents assigned to nalco chemical justia patents search

    Patents Assigned to Nalco Chemical Justia Patents Search

    Abstract: An automated chemical storage and chemical feed system for a use station to chemically treat and monitor a process at a use station where the process is being run, including one or more base chemical supply tanks at the use station storing chemicals and intermittently or continuously feeding the chemicals to the process. A level sensor is provided in each base tank to determine the

  • nalco water & process services, an ecolab company

    Nalco Water & Process Services, an Ecolab Company

    Nalco Company was founded in 1928 and has grown to be the world's leading water treatment and process improvement company delivering significant environmental, social and economic performance benefits to a variety of industrial and institutional customers

  • patents assigned to nalco chemical company justia

    Patents Assigned to Nalco Chemical Company Justia

    Abstract: An aqueous dispersion of a particulate high molecular weight water soluble anionic or nonionic polymer is prepared by polymerizing 0-7 mole percent of at least one anionic monomer and 100-93 mole percent of at least one non-ionic monomer under free radical forming conditions in an aqueous solution of a water-soluble salt at a pH greater than 5 in the presence of an anionic water

  • patents assigned to nalco chemical company justia

    Patents Assigned to Nalco Chemical Company Justia

    Abstract: As antifoulants in the processing of crude oil to minimize deposition of condensates and polymeric deposits on heat exchangers, compounds of the following structure have been utilized: ##STR1## X = OH, NH.sub.2, NHR, NHCH.sub.2 CHOHR (R = straight or branched chain alkyl containing 2 to 20, preferably 6 to 16, carbon atoms.)Y = h, ch.sub.2M = ammonia, amine containing 1

  • visualizing flocculation and adsorption processes

    Visualizing Flocculation and Adsorption Processes

    Polymer adsorption characteristics in complex papermaking systems have been elucidated using tagged reagents and the well-established technique of fluorescence microscopy. Interactions between polymers and components of papermaking slurries have been previously well researched, but the theories put forth are usually based on indirect inferences.

  • nalco chemical company recognized for technical

    Nalco Chemical Company recognized for technical

    2000-04-17· Nalco Chemical Company is the largest manufacturer and marketer of specialty water treatment and process chemicals and services in the world. Nalco and its affiliated company, Nalco/Exxon Energy Chemicals, L.P., have combined annualized sales of nearly $2 billion and serve customers in steelmaking, pulp and papermaking, mining and mineral processing, automotive,

  • papermaking! pita

    PAPERmaking! PITA

    a molecular weight of approximately (6.5±0.5)×106 g/mol was supplied by Nalco Chemical Company, Nanjing, China. CPAM solution (0.01% (w/v)) was prepared daily with deionized water and stirred by a magnetic stirrer at room temperature for 30 min. Fines were produced by extensively refining the bleached softwood kraft pulp to a

  • patents assigned to nalco chemical company justia

    Patents Assigned to Nalco Chemical Company Justia

    Abstract: An aqueous dispersion of a particulate high molecular weight water soluble anionic or nonionic polymer is prepared by polymerizing 0-7 mole percent of at least one anionic monomer and 100-93 mole percent of at least one non-ionic monomer under free radical forming conditions in an aqueous solution of a water-soluble salt at a pH greater than 5 in the presence of an anionic water

  • patents assigned to nalco chemical company justia

    Patents Assigned to Nalco Chemical Company Justia

    Abstract: As antifoulants in the processing of crude oil to minimize deposition of condensates and polymeric deposits on heat exchangers, compounds of the following structure have been utilized: ##STR1## X = OH, NH.sub.2, NHR, NHCH.sub.2 CHOHR (R = straight or branched chain alkyl containing 2 to 20, preferably 6 to 16, carbon atoms.)Y = h, ch.sub.2M = ammonia, amine containing 1

  • nalco chemical company recognized for technical

    Nalco Chemical Company recognized for technical

    2000-04-17· Nalco Chemical Company is the largest manufacturer and marketer of specialty water treatment and process chemicals and services in the world. Nalco and its affiliated company, Nalco/Exxon Energy Chemicals, L.P., have combined annualized sales of nearly $2 billion and serve customers in steelmaking, pulp and papermaking, mining and mineral processing, automotive,

  • nalco water & process services, an ecolab company

    Nalco Water & Process Services, an Ecolab Company

    Nalco Company was founded in 1928 and has grown to be the world's leading water treatment and process improvement company delivering significant environmental, social and economic performance benefits to a variety of industrial and institutional customers

  • nalco water & process services, una compañía de ecolab

    Nalco Water & Process Services, una compañía de Ecolab

    Nalco Water fue fundada con el nombre de National Aluminate Corporation en 1928 mediante la fusión de la Chicago Chemical Company y la Aluminate Sales Corporation, dos empresas con sede en Chicago que vendían aluminato de sodio para tratar el agua. Chicago Chemical Company vendía principalmente a municipios y a plantas industriales para los

  • nalco chemical company fisher scientific

    Nalco Chemical Company Fisher Scientific

    Nalco Chemical Company Nalco is the pre-eminent water and process treatment provider to the chemical industry, with more than 75 years of relevant experience.

  • nalco co. cp 50 best chemical processing companies

    Nalco Co. CP 50 Best Chemical Processing Companies

    Focus on Nalco Co. The Chemical Processing 50 (CP 50) is a list of the movers and shakers in the chemical processing industry. These companies set the pace for all others in terms of technology, manufacturing best practices, innovation and sustainability.

  • visualizing flocculation and adsorption processes

    Visualizing Flocculation and Adsorption Processes

    Polymer adsorption characteristics in complex papermaking systems have been elucidated using tagged reagents and the well-established technique of fluorescence microscopy. Interactions between polymers and components of papermaking slurries have been previously well researched, but the theories put forth are usually based on indirect inferences.

  • wrapping up savings in papermaking ecolab

    Wrapping Up Savings in Papermaking Ecolab

    Our team reviewed all aspects of the papermaking operation to identify areas for improvement that could positively impact the key performance indicators improvement in on-machine efficiency, increased machine speed, increased sheet ash content, reduced chemical costs and improved sheet quality. We found that the locations for chemical

  • papercon 2020 papercon 2020: vision...into the future

    PaperCon 2020 PaperCon 2020: Vision...into the Future

    PaperCon 2020: Vision...into the Future. This year's program will highlight the best use of current state of the art technology as well as both incremental optimization and non-incremental advancements in

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