Na/S balances at Skoghall mill 2015: Balances after reconstruction of the fiber line
Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Na/S-balanser på Skoghalls bruk 2015 : Balanser efter ombyggnad på fiberlinjen 2015 (Swedish)
The scope of this master thesis was to investigate how a reconstruction at Skoghall Mill had changed the Na/S balance as well as evaluating how a new chemical plant manufacturing the mill’s chlorine dioxide would affect the balance. This was done by analyzing ingoing and outgoing process streams at the mill for sodium and sulfur and using obtained flow data for the period after the reconstruction. A balance was made to simulate how the system behaved at the time as well as balances simulating different shares of bleached pulp being manufactured. Balances with three possible types of chemical plants were also made, as well as calculations of the operating cost for each type of plant. From the balances and the operating costs it was concluded that the HPA process was the most beneficial for the Na/S balance as well as having the lowest operating cost.
Place, publisher, year, edition, pages
2015. , 59 p.
Sodium Sulfur Balance
Chemical Process Engineering
IdentifiersURN: urn:nbn:se:kau:diva-36515OAI: oai:DiVA.org:kau-36515DiVA: diva2:823193
Stora Enso Skoghalls Bruk
Subject / course
Engineering: Chemical Engineering (300 ECTS credits)
2015-06-02, 08:15 (Swedish)
Kvarllöf, Niklas, Forskarassistent
Järnström, Lars, Professor