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Conference papers
The Use of Parametric Analysis to Identify Opportunities for
The Use of Parametric Analysis to Identify Opportunities for Improved Operations of Lime Kilns, 2017PEERS
Precision steam path dimensional measurement, the key to developing competitive steam path rerates, and advanced technology component upgrades, 2012 TAPPI PEERS Conference
Precision steam path dimensional measurement, the key to developing competitive steam path rerates, and advanced technology component upgrades, 2012 TAPPI PEERS Conference
Process Variables of Pulp Alkali Pretreatment, 2008 PAPERCON Conference
Process Variables of Pulp Alkali Pretreatment, 2008 PAPERCON Conference
Ink Detachment, Fragmentation and Alkali Darkening During Pulping of ONP/OMG Part II: Effects of Sodium Sulphite, 2007 TAPPI 8th Research Forum on Recycling
Ink Detachment, Fragmentation and Alkali Darkening During Pulping of ONP/OMG Part II: Effects of Sodium Sulphite, 2007 TAPPI 8th Research Forum on Recycling
Conference papers
How to use TDS measurements to evaluate the performance of diffuser washers • mill study, 2018 PEERS
How to use TDS measurements to evaluate the performance of diffuser washers • mill study, 2018 PEERS
Evaporator and Concentrator Design Considerations for Troubleshooting, 2008 Engineering, Pulping and Environmental Conference
Evaporator and Concentrator Design Considerations for Troubleshooting, 2008 Engineering, Pulping and Environmental Conference
The Fate of Silver from Recycled Printed Electronic Circuits, 2008 Engineering, Pulping and Environmental Conference
The Fate of Silver from Recycled Printed Electronic Circuits, 2008 Engineering, Pulping and Environmental Conference
Characterization of Lignin Gasification and Pyrolysis, 2008 Engineering, Pulping and Environmental Conference
Characterization of Lignin Gasification and Pyrolysis, 2008 Engineering, Pulping and Environmental Conference
Conference papers
Bleach Plant Scale Control Best Practices to Minimize Barium Sulfate and Calcium Oxalate Scale, Down Time and Cost, 19PEERS
Bleach Plant Scale Control Best Practices to Minimize Barium Sulfate and Calcium Oxalate Scale, Down Time and Cost, 19PEERS
Journal articles
Magazine articles
Impact and feasibility of a membrane pre-concentration step in kraft recovery, TAPPI Journal May 2021
ABSTRACT: Emerging robust membrane systems can perform the first section of black liquor (BL) concentration by separating clean water from the black liquor stream using only mechanical pressure. By doing so, they can reduce the steam and energy required for BL concentration. Because of the high osmotic pressure of strong BL, a membrane system would not replace evaporators but would operate in series, performing the first section of BL concentration. In this work, we use a multi-effect evaporator (MEE) model to quantify the steam and energy savings associated with installing membrane systems of different sizes. When maintaining a constant BL solids throughput, we find that a pulp mill could reduce steam usage in its evaporators by up to 65%. Alternatively, a membrane system could also serve to increase BL throughput of the recovery train. We find that a membrane system capable of concentrating BL to 25% could double the BL solids throughput of a mill’s evaporators at the same steam usage. We also demonstrate that installing a membrane system before an MEE would minimally affect key operating parameters such as steam pressures and BL solids concentrations in each effect. This indicates that installing a membrane pre-concentration system would be nonintrusive to a mill’s operations.