Sökning: "Mats Ullmar"

Hittade 2 avhandlingar innehållade orden Mats Ullmar.

  1. 1. On fiber alignment mechanisms in a headbox nozzle

    Författare :Mats Ullmar; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  2. 2. Improved energy efficiency in double disc chip refining

    Författare :Dino Muhic; Per Engstrand; Lars Sundström; Mats Ullmar; Christer Sandberg; Hans Höglund; Mittuniversitetet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; thermomechanical pulping TMP ; double disc refining; high intensity; Chemical engineering; Kemiteknik;

    Sammanfattning : The electrical energy consumption in thermomechanical pulping (TMP) is very high, in the range of 2 – 3 MWh/adt depending on process solution and on the product quality specifications for the paper product. Both pulpwood and energy prices have increased rapidly for some time. LÄS MER