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At the Skoghall pappermill, sulphatepaper pulp is produced in a continuous digester originally from 1969. To be able to maintain a high level of production there is a need for a process with few disturbances. Variations in how well the wooden chips are packed in the digester is …
… Utvärderingen av den kemiska analysen gjordes på två sätt, dels med MODDE, MLR, men även med Excel. Selektivitetsdiagrammen och Excel-analysen visar att vismut floterar tillsammans med tellur och separation av dessa två är omöjlig. Sulfidmineralen trycks vid högt pH och …
The use of renewable resources is rapidly increasing in Sweden, especially the use of fuel pellets. Through pelletizing the energy content per volume unit is greatly increased and the pellets are more homogeneous with regard to moisture content, particle size and density …
… process stability). Each response was modeled by multiple linear regression (MLR). Good models were found for pellet bulk density, pellet durability and amount of fines, verified by the model performance indicators R2 and Q2. The effects of cassava stem and starch addition …
