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Conference papers
Open Access
Recent advances in the commercialization of NIR (near-infrar

ABSTRACT: Near-infrared (NIR) spectroscopy techniques have held the promise of a new generation of online and lab based process analyzers for the pulping and recovery areas for some years now. NIR technology has been shown to be a quite effective method for the analysis of white, green and black liquors by multiple investigators. NIR reflectance techniques have been shown to be effective in predicting yield and kappa number in pulp samples. Recently, commercial analyzers have been developed for green liquor analysis on the dissolving tank, white and green liquor analysis in the recaust area and black liquor analysis on batch and continuous digesters. These analyzers are currently running at different mill sites and are proving to be superior to current technology choices for these applications. A commercial online and lab based yield and kappa number analyzer are currently being developed based on NIR reflectance techniques. Results will be presented on the performance of these analyzers relating to accuracy, maintenance and total installed cost. Other potential NIR applications in the pulping and recovery area will also be addressed.

Conference papers
Influence of Liquor-to-Liquor Differences on Recovery Furnace Processes â??A CFD Study, 2004 International Chemical Recovery Conference

Influence of Liquor-to-Liquor Differences on Recovery Furnace Processes –A CFD Study, 2004 International Chemical Recovery Conference

Conference papers
Analysis of Composition and Characteristics of â??Kraftâ? Black Liquor From Brazilian Pulp and Paper Industries, 2004 International Chemical Recovery Conference

Analysis of Composition and Characteristics of “Kraft” Black Liquor From Brazilian Pulp and Paper Industries, 2004 International Chemical Recovery Conference

Conference papers
Long Lasting Black Liquor Spray Nozzles â?? An Update, 2004 International Chemical Recovery Conference

Long Lasting Black Liquor Spray Nozzles – An Update, 2004 International Chemical Recovery Conference

Conference papers
Black Liquor Gasification with Direct Causticization Using Titanates â?? Leaching of Sodium Tri-Titanate, 2004 International Chemical Recovery Conference

Black Liquor Gasification with Direct Causticization Using Titanates – Leaching of Sodium Tri-Titanate, 2004 International Chemical Recovery Conference

Conference papers
Black Liquor Gasification with Direct Causticization Using Titanates â?? Recycling Effects on the Solid Sodium Titanates, 2004 International Chemical Recovery Conference

Black Liquor Gasification with Direct Causticization Using Titanates – Recycling Effects on the Solid Sodium Titanates, 2004 International Chemical Recovery Conference

Conference papers
Cost Saving Opportunities with Partial Borate Autocausticizing, 2003 Fall Technical Conference

Cost Saving Opportunities with Partial Borate Autocausticizing, 2003 Fall Technical Conference

Conference papers
Desilication of Agricultural Residues â?? the First Step Prior Pulping, 2003 Fall Technical Conference

Desilication of Agricultural Residues – the First Step Prior Pulping, 2003 Fall Technical Conference

Conference papers
The Biofine Technology â?? A â??Bio-Refineryâ? Concept Based on Thermochemical Conversion of Cellulosic Biomass to Fuels and Chemicals, 2003 Fall Technical Conference

The Biofine Technology – A “Bio-Refinery” Concept Based on Thermochemical Conversion of Cellulosic Biomass to Fuels and Chemicals, 2003 Fall Technical Conference

Conference papers
Improving Pulp Quality and Uniformity in Indirectly Heated Batch Digesters, 2003 Fall Technical Conference

Improving Pulp Quality and Uniformity in Indirectly Heated Batch Digesters, 2003 Fall Technical Conference

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