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A new and quick testing method for evaluating commercial OCC recycled pulp, TAPPI Journal July 2024
ABSTRACT: In this paper, a new and quick testing method for evaluating commercial old corrugated cardboard/containers (OCC) pulp was developed and used by a large Chinese boxboard manufacturer for quality control of imported OCC pulp.
Journal articles
Magazine articles
Editorial: Special pulping and engineering issues of TAPPI Journal yield important recovery cycle research, TAPPI Journal June 2024
ABSTRACT: The June issue of TAPPI Journal, which is dominated by recovery cycle topics, is the last PEERS issue organized by Dr. Peter Hart, the fomer editor-in-chief who passed away this past May. Peter, who was heavily involved with TAPPI’s Pulp Manufacture Division and various pulping-related committees, also started working with conference technical program planning starting in 2005 with the Engineering, Pulping and Environmental (EPE) Conference, which was the precursor to the more recent Pulping, Engineering, Environmental, Recycling and Sustainability (PEERS) Conference. He was also involved with other conference planning, including that for the International Pulp Bleaching Conference. In addition, Peter was a yearly attendee of such conferences starting as far back as 1990.
Value creation by converting pulp mill flue gas streams to green fuels, TAPPI Journal March 2023
ABSTRACT: Climate change mitigation induces strong growth in renewable electricity production, partly driven by shifts in environmental policies and regulation. Intermittent renewable electricity requires supporting systems in the form of sustainable hydrocarbon chemicals such as transportation fuels. Bulk chemical production fits well into a pulp mill environment, given their large volumes, stable operation, and ample supply of biomass-based carbon feed-stock in the form of flue gases. Until now, the utilization of the flue gases from conventional operation of a pulp mill has received little attention. Harnessing these flue gases into usable products could offer additional value to mill operators, while also diversifying their product portfolio. However, electricity-based fuels and products require extra energy in the conversion step and may not be commercially competitive with current fossil products under the current regulation. There might also be uncertainties about future commodity prices. Thus, the objective of this study is to estimate the economic competitiveness and the added value of selected side products that could be produced alongside conventional pulp and paper products. A typical modern pulp mill is modeled in different product configurations and operational environments, which allows testing of various development paths. This illustrates how the overall energy and mass balance of a pulp mill would react to changes in different final products and other parameters. The focus of the study is in synthetic methanol, which is produced from flue gases and excess resources from the mill, with minimal interference to the pulping process. The results aid in assessing the necessity and magnitude of a premium payment for subsidizing green alter-natives to replace current fossil fuels and chemicals. Additionally, the results function as an indicator of the development state of the pulp and paper industry in the turmoil of climate change regulation. The results indicate that power-to-X systems offer one more viable pathway alternative for broadening the product portfolio of the pulp and paper sector, as well as opening new flexibility measures and services to grid stabilization. Market conditions were found to have a significant impact on the perceived profitability.
Journal articles
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, Novem
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, November, 2006
Journal articles
Influence of cooking variables in the organosolv pulping of wheat straw using mixtures of ethanol, acetone, and water, Solutions! & TAPPI JOURNAL, January 2003 (653KB)
Influence of cooking variables in the organosolv pulping of wheat straw using mixtures of ethanol, acetone, and water, Solutions! & TAPPI JOURNAL, January 2003 (653KB)
Journal articles
Virtual bleach plants, part 2: unified clo2 and cl2 bleaching model, TAPPI JOURNAL, July 2003, Vol. 2(7) (141KB)
Virtual bleach plants, part 2: unified clo2 and cl2 bleaching model, Solutions! & TAPPI JOURNAL, July 2003, Vol. 2(7) (141KB)
Journal articles
Changes of paper properties of nonwood pulp on recycling, Solutions! & TAPPI JOURNAL, July 2003, Vol. 2(7) (105KB)
Changes of paper properties of nonwood pulp on recycling, Solutions! & TAPPI JOURNAL, July 2003, Vol. 2(7) (105KB)
Journal articles
Maximization of profit through optimal selection of inventory levels and production rates in pulp and paper mills, TAPPI JOURNAL, July 2003, Vol. 2(7) (166KB)
Maximization of profit through optimal selection of inventory levels and production rates in pulp and paper mills, Solutions! & TAPPI JOURNAL, July 2003, Vol. 2(7) (166KB)
Journal articles
Characterization of kenaf by chemimechanical pulping, Solutions! & TAPPI JOURNAL, June 2003, Vol. 2(6) (418KB)
Characterization of kenaf by chemimechanical pulping, Solutions! & TAPPI JOURNAL, June 2003, Vol. 2(6) (418KB)
Journal articles
The kraft pulping properties of Canadian red and sugar maple, Solutions! & TAPPI JOURNAL, June 2003, Vol. 2(6) (823KB)
The kraft pulping properties of Canadian red and sugar maple, Solutions! & TAPPI JOURNAL, June 2003, Vol. 2(6) (823KB)