Inventory audit notice: TAPPI Press orders will not be processed from August 21–28 during our fiscal year-end inventory audit. Orders placed during this time will ship starting August 31, in the order received. Normal payment processing also resumes August 31.

Thanks for your patience — this helps us serve our members better.

Search

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

Showing 15,891–15,900 of 18,129 results (Duration : 0.026 seconds)

Filters

Industry

Topics

Content Type

Publications

Level of Knowledge

Committees

Event Type

Collections

Conference papers
IMPROVING RUNNABILITY OF PULP DRYING MACHINES, 18PaperCon

IMPROVING RUNNABILITY OF PULP DRYING MACHINES, 18PaperCon

Journal articles
Magazine articles
Partnerships for Technology Challenges, 2018 PEERS

Partnerships for Technology Challenges, 2018 PEERS

Conference papers
Use of Direct Steam Injection to Control Black Liquor Temperature and Ensure Optimal Drop Size, 2018 PEERS

Use of Direct Steam Injection to Control Black Liquor Temperature and Ensure Optimal Drop Size, 2018 PEERS

Journal articles
Magazine articles
Open Access
The solubility of calcium carbonate in green liquor handling systems, TAPPI Journal October 2019

ABSTRACT: The formation of hard calcite (CaCO3) scale in green liquor handling systems is a persistent problem in many kraft pulp mills. CaCO3 precipitates when its concentration in the green liquor exceeds its solubility. While the solubility of CaCO3 in water is well known, it is not so in the highly alkaline green liquor environment. A systematic study was conducted to determine the solubility of CaCO3 in green liquor as a function of temperature, total titratable alkali (TTA), causticity, and sulfidity. The results show that the solubility increases with increased temperature, increased TTA, decreased causticity, and decreased sulfidity. The new solubility data was incorporated into OLI (a thermodynamic simulation program for aqueous salt systems) to generate a series of CaCO3 solubility curves for various green liquor conditions. The results help explain how calcite scale forms in green liquor handling systems.

Conference papers
Alias Impact on Control Profiles, 19PaperCon

Alias Impact on Control Profiles, 19PaperCon

Conference papers
Continuous Cross Machine Formation by Wavelet Transform Analysis, 19PaperCon

Continuous Cross Machine Formation by Wavelet Transform Analysis, 19PaperCon

Conference papers
FULL WEB DIRT MEASUREMENT FOR PULP AND PAPER, 19PaperCon

FULL WEB DIRT MEASUREMENT FOR PULP AND PAPER, 19PaperCon

Conference papers
Effect of Fiber Structure on Edge-Wicking in a Highly Sized Paper, 19PaperCon

Effect of Fiber Structure on Edge-Wicking in a Highly Sized Paper, 19PaperCon

Conference papers
Improving Paper Wet-strength by Means Hot-Pressing and Increased Lignin Content in Pulp Fibers, 19PaperCon

Improving Paper Wet-strength by Means Hot-Pressing and Increased Lignin Content in Pulp Fibers, 19PaperCon

Conference papers
Textile-Like Materials with Foam Forming on a Paper Machine, 19PaperCon

Textile-Like Materials with Foam Forming on a Paper Machine, 19PaperCon

Inside this Section