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Journal articles
Open Access
Hydrogen peroxide and caustic soda: Dancing with a dragon while bleaching, TAPPI JOURNAL July 2013

Authors: Peter W. Hart; Carl Houtman; and Kilby Hirth | ABSTRACT: When hydrogen peroxide is mixed with caustic soda, an auto-accelerating reaction can lead to generation of significant amounts of heat and oxygen. On the basis of experiments using typical pulp mill process concentration and temperatures, a relatively simple kinetic model has been developed. Evaluation of these model results reveals that hydrogen peroxide-caustic soda systems are extremely sensitive to hydrogen peroxide:caustic soda ratio, transition metal contamination, and temperature. Small changes in initial conditions can result in a closed system becoming explosive. Analysis of model results was used to develop guidelines for safer application of hydrogen peroxide in a mill setting.

Journal articles
Open Access
Removal of silicon from green liquor with carbon dioxide in the chemical recovery process of wheat straw soda pulping, TAPPI JOURNAL March 2013

Removal of silicon from green liquor with carbon dioxide in the chemical recovery process of wheat straw soda pulping, TAPPI JOURNAL March 2013

Journal articles
Open Access
Effects of flashing on spray characteristics of splashplate nozzles, TAPPI JOURNAL May 2013

Effects of flashing on spray characteristics of splashplate nozzles, TAPPI JOURNAL May 2013

Journal articles
Open Access
Deinking flexographic-printed papers: Destabilization of flexographic ink dispersions with copper compounds, TAPPI JOURNAL November 2013

Deinking flexographic-printed papers: Destabilization of flexographic ink dispersions with copper compounds, TAPPI JOURNAL November 2013

Journal articles
Open Access
Bleaching ability of pre-hydrolyzed pulps in the context of a biorefinery mill, TAPPI JOURNAL November 2013

Bleaching ability of pre-hydrolyzed pulps in the context of a biorefinery mill, TAPPI JOURNAL November 2013

Journal articles
Open Access
Brightening of mechanical and high-yield pulps, TAPPI JOURNAL October 2013

Brightening of mechanical and high-yield pulps, TAPPI JOURNAL October 2013

Journal articles
Open Access
Kraft ECF pulp bleaching: A review of the development and use of techno-economic models to optimize cost, performance, and justify capital expenditures, TAPPI JOURNAL October 2013

Kraft ECF pulp bleaching: A review of the development and use of techno-economic models to optimize cost, performance, and justify capital expenditures, TAPPI JOURNAL October 2013

Journal articles
Open Access
Hemicellulose extraction and its effect on pulping and bleaching, TAPPI JOURNAL October 2013

Hemicellulose extraction and its effect on pulping and bleaching, TAPPI JOURNAL October 2013

Journal articles
Open Access
Integration of hemicellulose pre-extraction in the bleach-grade pulp production process, TAPPI JOURNAL October 2013

Hemicellulose extraction and its effect on pulping and bleaching, TAPPI JOURNAL October 2013

Journal articles
Open Access
In-furnace temperature and heat flux mapping in a kraft recovery boiler, TAPPI JOURNAL September 2010

In-furnace temperature and heat flux mapping in a kraft recovery boiler, TAPPI JOURNAL September 2010

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