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A computer program to solve aqueous inorganic equilibrium systems using Pitzer's method to determine activity coefficients

Creator:: Kelly, Barry
Abstract:: Chemical equilibrium is a major factor in many natural and industrial systems. The ability to predict ionic equilibrium is extremely valuable in industry in solving problems without the costs involved in full scale experiments. An example of an application in the pulp and paper industry is the prediction of non-process...
Resource Type:: Masters Thesis
Full Text:: Pitzer's Method to Determine Activity Coefficients. Abstract approved: Redacted for Privacy W. J

A study of liquor side fouling in sulfite spent liquor evaporators

Creator:: Yoon, Woon-young
Abstract:: The effects of possible operating variables such as flow rate, surface temperature, bulk temperature, solids contents, sulfate addition and pH on the fouling of sulfite spent evaporators were studied. The study pointed out that the Ca⁺⁺ concentration difference between heated surface and bulk is the most important factor for fouling...
Resource Type:: Dissertation
Full Text:: Liquor Evaporators Abstract approved Redacted for Privacy : Dr.)111liam James Frederick Jr. The

Characterization and modeling of black liquor char combustion processes

Creator:: Wag, Kaj J.
Abstract:: See pdf
Resource Type:: Dissertation

Deposition of sub-micron and micron-sized particles from combustion of black liquor

Creator:: Sinquefield, Scott Alan
Abstract:: Black liquor recovery boilers experience significant fire-side fouling problems due to the deposition of entrained particulate matter. Increased understanding of the mechanisms by which particles deposit on these surfaces will lead to more effective management of the resultant problems. There is some evidence which suggests that the sub-micron fraction of...
Resource Type:: Dissertation
Full Text:: and Micron-Sized Particles from Combustion of Black Liquor. Abstract approved fm. James Frederick

Determination of the optical constants of ash samples from kraft recovery boilers

Creator:: Samretvanich, Artit
Resource Type:: Masters Thesis
Full Text:: Frederick The radiative properties of condensation aerosol (fume) particles have influence on the heat

Liquor to liquor differences and the effects of liquor feed rate on the distribution of condensed phase combustion products of kraft black liquor solids burned in a laminar entrained-flow reactor

Creator:: Train, Ron
Abstract:: Combustion properties of kraft black liquor solids were studied using a laminar entrained flow reactor. The tendency of black liquors to release fume (compounds containing Na⁺, K⁺, Cl⁻, SO₄²⁻, SO₃²⁻, S₂0₃²⁻ and C0₃²⁻) during combustion were observed at 1000°C. Black liquor solids with a size fraction of 63 to 100...
Resource Type:: Masters Thesis
Full Text:: Kraft Black Liquor Solids Burned in a Laminar Entrained-Flow Reactor. Abstract approved: W. James

Mechanism and equilibrium modeling of aluminosilicate scaling in alkaline media

Creator:: Gasteiger, Hubert A.
Abstract:: Problems with aluminosilicate scales in pulp and paper recycle streams create an interest in the formation mechanism and the chemical equilibrium of aluminosilicates. Evaluating solubility data from a system containing Na⁺ CI⁻, and OH⁻ ions as well as aluminium and silicon compounds, allowed to elucidate the characteristics of the aluminosilicate...
Resource Type:: Masters Thesis
Full Text:: extending my utmost gratitude to Dr. Frederick, my major professor, for his unreserved support in

Modeling of sulfate reduction in an entrained-flow black liquor gasifier

Creator:: Jivakanun, Narongsak
Abstract:: Black liquor gasification is one of the promising alternatives to eliminate the drawbacks of the conventional recovery unit of the kraft process. A numerical model has been developed to simulate an industrial pilot scale entrained-flow gasifier currently operating at Tampere, Finland. The objective of the model is to investigate the...
Resource Type:: Masters Thesis
Full Text:: Sulfate Reduction in an Entrained-Flow Black Liquor Gasifier . Abstract approved: W. James Frederick

Potassium and chloride release during black liquor combustion

Creator:: Reis, Victor Vinicius
Resource Type:: Masters Thesis
Full Text:: Chloride R lea During Bl ck Liquor Combustion Abstract approved: Pro ssor William James Frederick

Sintering of fume deposits in kraft recovery boilers

Creator:: Techakijkajorn, Udom
Abstract:: Fume, sub-micron aerosal particles in the combustion gases, have been identified as a cause of extensive plugging and fouling in the heat transfer section of a kraft recovery boiler in kraft pulp mills. After the deposition on the heat transfer surface, fume deposits will undergo the sintering process which causes...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved : William James Frederick Fume, sub-micron aerosal particles in the combustion gases

ScholarsArchive@OSU

A computer program to solve aqueous inorganic equilibrium systems using Pitzer's method to determine activity coefficients

A study of liquor side fouling in sulfite spent liquor evaporators

Characterization and modeling of black liquor char combustion processes

Deposition of sub-micron and micron-sized particles from combustion of black liquor

Determination of the optical constants of ash samples from kraft recovery boilers

Liquor to liquor differences and the effects of liquor feed rate on the distribution of condensed phase combustion products of kraft black liquor solids burned in a laminar entrained-flow reactor

Mechanism and equilibrium modeling of aluminosilicate scaling in alkaline media

Modeling of sulfate reduction in an entrained-flow black liquor gasifier

Potassium and chloride release during black liquor combustion

Sintering of fume deposits in kraft recovery boilers

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