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Fate of phosphorus in the recovery cycle of the kraft pulping process, TAPPI Journal March 2020
ABSTRACT: The accumulation of nonprocess elements in the recovery cycle is a common problem for kraft pulp mills trying to reduce their water closure or to utilize biofuels in their lime kiln. Nonprocess elements such as magnesium (Mg), manganese (Mn), silicon (Si), aluminum (Al), and phosphorus (P) enter the recovery cycle via wood, make-up chemicals, lime rock, biofuels, and process water. The main purge point for these elements is green liquor dregs and lime mud. If not purged, these elements can cause operational problems for the mill. Phosphorus reacts with calcium oxide (CaO) in the lime during slaking; as a result, part of the lime is unavailable for slaking reactions. The first part of this project, through laboratory work, identified rhenanite (NaCa(PO4)) as the form of P in the lime cycle and showed the negative effect of P on the availability of the lime. The second part of this project involved field studies and performing a mass balance for P at a Canadian kraft pulp mill.
Journal articles
Magazine articles
Historical perspectives of corrugated box testing for 2020, TAPPI Journal March 2020
ABSTRACT: In the age of e-commerce, corrugated packaging is experiencing a resurgence; at least, consumers are receiving more corrugated boxes today than ever before. The corrugated box has been the main package for transporting goods for over 100 years, and corrugated board and boxes have been the focus of scientific study for about as long. For the last 50 years, box compressive test strength value (BCT) has been the main focus of research and testing. That was not always the case. In addition, many of today’s boxes experience a different end-use life than their predecessors.
Journal articles
Magazine articles
SetPoint: Let’s Give ’Em Something to Talk About, Paper360º March/April 2020
SetPoint: Let’s Give ’Em Something to Talk About, Paper360º March/April 2020
Journal articles
Magazine articles
Over the Wire, Paper360º March/April 2020
Over the Wire, Paper360º March/April 2020
Journal articles
Magazine articles
The European Industry: Plenty of Challenges and Opportunities, Paper360º March/April 2020
The European Industry: Plenty of Challenges and Opportunities, Paper360º March/April 2020
Journal articles
Magazine articles
Paptic: Paper Products to Help Save the World, Paper360º March/April 2020
Paptic: Paper Products to Help Save the World, Paper360º March/April 2020
Journal articles
Magazine articles
Quick Evaluation of Fillers and Fines in Paper and Board, Paper360º March/April 2020
Quick Evaluation of Fillers and Fines in Paper and Board, Paper360º March/April 2020
Journal articles
Magazine articles
Stay in Compliance with Automated Wastewater Treatment, Paper360º March/April 2020
Stay in Compliance with Automated Wastewater Treatment, Paper360º March/April 2020
Books
Boiler Water Treatment Principles and Practice, Volume 2
Boiler Water Treatment Principles and Practice, Volume 2, Treatments, Program Design, and Management
Journal articles
Magazine articles
Preventive Maintenance Cards, Anyone?, Paper360º March/April 2020
Preventive Maintenance Cards, Anyone?, Paper360º March/April 2020