Search

Use the search bar or filters below to find any TAPPI product or publication.

Showing 141–150 of 320 results (Duration : 0.008 seconds)
Journal articles
Magazine articles
Partnering with Paper for Sustainable Biomaterials, Paper360

Partnering with Paper for Sustainable Biomaterials, Paper360º September/October 2017

Journal articles
Magazine articles
ASPI News, Paper360º November/December 2017

ASPI News, Paper360º November/December 2017

Journal articles
Magazine articles
Open Access
Editorial: Celebrating Wayne Carr

Editorial: Celebrating Wayne Carr: A true recycling visionary, TAPPI JOURNAL November 2017

Journal articles
Magazine articles
IIoT for R&M: The Real Struggle, Paper360º September/October 2019

IIoT for R&M: The Real Struggle, Paper360º September/October 2019

Journal articles
Magazine articles
ASPI News, Paper360º March/April 2020

ASPI News, 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
Cardinal Tissue Takes Flight with Help from Fabio Perini Constellationÿ S6, Tissue360º Fall/Winter 2020

Cardinal Tissue Takes Flight with Help from Fabio Perini Constellationÿ S6, Tissue360º Fall/Winter 2020

Journal articles
Magazine articles
Open Access
A novel unit operation to remove hydrophobic contaminants, TAPPI Journal April 2020

ABSTRACT: For mills making paper with recovered fiber, removal of hydrophobic contaminants is essential for trouble-free operation of paper machines. Significant cost savings on paper machine operation can be achieved by reducing deposits, which results in better quality, reduced downtime, increased fiber yield, and reduced energy consumption. Bubble nucleation separation (BNS) is a relatively new process for removing hydrophobic particles. When vacuum is applied to a slurry, dissolved gas bubbles nucleate on hydrophobic particles and drag them to the surface for easy removal. We constructed a 16-L batch unit to evaluate the effect of operating parameters on removal of hydrophobic particles, using statistical design of experiments. These results were used to guide our design of a 16-L continuous unit. We tested this unit on laboratory and mill samples. The removal of 60%•80% of hydrophobic particles was achieved with a low reject rate of < 2%.Following on this success, we built a 200-L pilot unit and tested it in our pilot plant. With promising results there, we installed the pilot unit at a commercial paper recycling mill. Over the course of several mill trials, we showed that it was possible to remove a considerable amount of suspended solids from paper machine white water with less than 2% rejects. Unfortunately, due to the unit only treating 50 L/min and the mill flow being 12000 L/min, we were not able treat a sufficient portion of the white water to know whether a large-scale implementation of BNS would improve paper machine runnability.

Journal articles
Magazine articles
RMM Beliefs: Part I, Paper360º November/December 2020

RMM Beliefs: Part I, Paper360º November/December 2020

Journal articles
Magazine articles
Can I Tie My RM Programs to Energy, Waste Stream, and Productivity?, Paper360º November/December 2020

Can I Tie My RM Programs to Energy, Waste Stream, and Productivity?, Paper360º November/December 2020