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Considerations in managing wastewater odor at pulp and paper operations, TAPPI Journal March 2022
ABSTRACT: Many pulp and paper mills are, at least periodically, faced with the release of odors that can migrate offsite and be considered a nuisance by nearby residents. At chemical pulp mills, perceptible odors associated with reduced sulfur compounds (RSCs) are common, many of which are highly perceptible owing to their low odor thresholds. As releases of RSCs and other odorous substances from production processes are progressively controlled, the proportional contribution from wastewater treatment systems to areal odors can increase. This review paper summarizes important fundamentals of odor generation, source identification, and control. Common odorous substances are identified, and mechanisms for their generation are summarized. Approaches for measuring odorous substances are detailed to enable more effective management, and various odor control strategies are discussed.
Journal articles
Magazine articles
IDEAS Digital Twin Technology for Evaporation Plants, Paper360º September/October 2019
IDEAS Digital Twin Technology for Evaporation Plants, Paper360º September/October 2019
Journal articles
Magazine articles
Pulp and Paper: Industries with a Bright Future, Paper360º January/February 2019
Pulp and Paper: Industries with a Bright Future, Paper360º January/February 2019
Journal articles
Magazine articles
North America’s First Tree-Free Pulp Mill, Paper360º March/April 2019
North America’s First Tree-Free Pulp Mill, Paper360º March/April 2019
Journal articles
Magazine articles
Use of Ozone for Cooling Towers. Paper360º July/August 2020
Use of Ozone for Cooling Towers. Paper360º July/August 2020
Journal articles
Magazine articles
Alternative “green” lime kiln fuels: Part II—Woody biomass, bio-oils, gasification, and hydrogen, TAPPI Journal May 2020
ABSTRACT: This paper is the second of a two-part series on “green” lime kiln fuels. The first part of this work reviews the use of pulp mill and recovery byproducts as either full or partial replacement of oil or natural gas in the kiln. The second part reviews the use of various forms of woody biomass, bio-oils, gasification and hydrogen as potential carbon neutral or carbon-free lime kiln fuels. Several of these options require specialized burners to supply the fuel to the kiln and high-quality metallurgy to withstand the acidic conditions of the fuel.
Journal articles
Magazine articles
Wireless Sensors Improve Toxic Gas Mitigation in P&P Mills, Paper360º May/June 2020
Wireless Sensors Improve Toxic Gas Mitigation in P&P Mills, Paper360º May/June 2020
Journal articles
Magazine articles
Project Wolfpack Springs to Life, Paper360º September/October 2021
Project Wolfpack Springs to Life, Paper360º September/October 2021
Journal articles
Production of high yield bleached hardwood kraft pulp: Breaking the kraft pulp yield barrier,TAPPI Journal December 2024
Author: Peter W. Hart | TAPPI J. 10(9): 37(2011) - ABSTRACT: A modified kraft pulping process has been developed that successfully breaks the traditional hard-wood kraft pulp yield barrier. The process produces fully bleached, high brightness hardwood kraft pulp with a yield of greater than 53% on wood. Details of the development and processing steps, along with various recovery cycle impacts, are discussed.
Journal articles
Magazine articles
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.