Sökning: "vakuumavvattning"

Hittade 3 uppsatser innehållade ordet vakuumavvattning.

  1. 1. Effect of Refining on Softwood Pulp with Addition of Eucalyptus for Greaseproof Paper Production : Vacuum Dewatering in Laboratory Scale

    Master-uppsats, Karlstads universitet/Institutionen för ingenjörs- och kemivetenskaper (from 2013)

    Författare :Anton Nordling; [2023]
    Nyckelord :Refining; beating; eucalyptus; greaseproof paper; degree of refining; vacuum dewatering; formation; air permeance; Malning; Eukalyptus; fettresistent papper; malgrad; vakuumavvattning; formation; luftpermeans;

    Sammanfattning : We are provided countless products from the forest industry and has been through many years. Paper, paper board, packaging materials and furniture to mention a few. A special type of paper used in food packaging for example, is greaseproof paper. LÄS MER

  3. 2. Improvements in Energy Efficiency of Vacuum Dewatering of Greaseproof Paper : Simulation of a Triple Vacuum Suction Box in Laboratory Scale

    Master-uppsats, Karlstads universitet/Avdelningen för kemiteknik

    Författare :Björn Öman; [2023]
    Nyckelord :Vacuum dewatering; greaseproof paper; triple vacuum suction box; grammage; energy efficiency; dryness; Vakuumavvattning; greaseproofpapper; trippelvakuumsuglåda; ytvikt; energieffektivitet; torrhalt;

    Sammanfattning : Vacuum dewatering of paper is a heavily energy expensive process, even more so for greaseproof paper, which is one of the main products at Nordic Paper Seffle AB. Due to this being such an energy demanding process, improvements in the vacuum dewatering could save massive amounts of energy. LÄS MER

  4. 3. Evaluation of different models for flow through paper

    Master-uppsats, Fakulteten för teknik- och naturvetenskap

    Författare :Arif Hussain; [2011]
    Nyckelord :;

    Sammanfattning : For understanding the energy use during vacuum dewatering and through air drying process, air flow through highly complex structure of paper has been investigated. Experiments were performed for a wide range of pressure drops and basis weights. In addition the pulp samples are refined to three different beating degrees. LÄS MER