Sökning: "André Gran"

Hittade 2 uppsatser innehållade orden André Gran.

1. 1. The Influence of pH, Temperature and Number of Wash Steps on the Washing Efficiency of CTMP Pulp

   Master-uppsats, Karlstads universitet/Avdelningen för kemiteknik

   Författare :André Monlars; [2021]
   Nyckelord :Mechanical pulp; Chemi-thermomechanical pulp; Picea abies; Extractives; Wood resin; Deresination; Washing; Mekanisk massa; Kemitermomekanisk massa; Picea abies; Extraktivämnen; Tvättning;

   Sammanfattning : In this report, the washing efficiency of chemi-thermomechanical pulp (CTMP) from Norway spruce (Picea abies) was investigated when adjusting the temperature and pH during washing as well as implementing different number of wash steps. Concurrent effects of having a high pH and temperature were also examined. LÄS MER

3. 2. Svartgran – ett alternativ när allt ser mörkt ut? : en kartmodell för att visa lämpliga ståndorter för odling av svartgran

   Kandidat-uppsats, SLU/Dept. of Forest Ecology and Management

   Författare :André Ahlberg; Björn-Erik Lilja; [2013]
   Nyckelord :Picea mariana; föryngringsproblem; torvmark; frost; Åsele kommun;

   Sammanfattning : A common problem in forestry is plant death caused by frost. The risk of frost is highest on wind protected, flat or low-lying areas in the terrain. Here you often have regeneration problems with Norwegian spruce which is especially sensitive to spring frost. LÄS MER