Essays about: "retention polymers"

Found 5 essays containing the words retention polymers.

  1. 1. Characterization of retention chemicals and their effect on the paper forming process on machine PM4, Billerud Korsnäs Gävle Mill.

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Therese Alm; [2021]
    Keywords : Retention; retention polymers; retention microparticle; dewatering; turbidity;

    Abstract : In the papermaking industries spots in the finished product is a recurring problem. Billerud Korsnäs have in earlier studies identified poorly optimized retention systems as one of the reasons for these spots. READ MORE

  3. 2. Wastewater treatment with nanofiltration in pilot-scale

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Jane Quach; Safa al Basheer; [2018]
    Keywords : wastewater; nanofiltration; ultrafiltration; chemical precipitation; pilot-scale; chemical engineering; kemiteknik; Technology and Engineering;

    Abstract : During the spring semester 2018, an investigation about supplementary cleaning of the waste water at Dow Chemical site in Landskrona was done. Different water-based binders from acrylic monomers are produced by Dow and large amounts of water is used for such processes. READ MORE

  4. 3. Nanofiltration of ultrafiltration permeate fom chemical wastewater

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Martin Gunnarsson; [2017]
    Keywords : total organic carbon; nanofiltration; wastewater; ultrafiltration; conductivity; chemical engineering; kemiteknik; Technology and Engineering;

    Abstract : The aim of this report was to investigate the possibility of further cleaning of the wastewater at Dow in Landskrona. Dow produces water based adhesives from acrylic monomers. The wastewater contains different metal ions, surfactants, residual monomers and polymers. READ MORE

  5. 4. CFD modelling of Retention Aids Dosage Nozzles

    University essay from KTH/Mekanik

    Author : Giuseppe Carmine Fasci; [2012]
    Keywords : ;

    Abstract : The objective of this project is to design, using computational fluid dynamics (CFD), a set of retention aid dosage nozzles that minimize shear levels during their operation. This includes the effect of dosage nozzle size, contour and dosage velocity - absolute and relative to the stock flow. READ MORE

  6. 5. Biogas production from municipal waste mixed with different portions of orange peel

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Solmaz Aslanzadeh; Peyruze Özmen; [2009]
    Keywords : biogas; orange peel; municipal waste; batch experiment; semicontinious experiment; pre-treatment;

    Abstract : Orange cultivation is a huge industry which increasing for each year. By the year 2010 theorange production of the world is expected to reach 66.4 million tons per year. Most of theoranges are used for orange juice production. READ MORE