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Journal articles
Open Access
Biomass gasification for green ammonia production in kraft mills, TAPPI Journal September 2026

ABSTRACT: As the global energy sector transitions toward net-zero emissions, kraft pulp mills present a compelling opportunity to produce green fuels and achieve net-negative emissions by capturing biogenic carbon, helping offset hard-to-abate sectors. This study explores the techno-economics of integrating biomass gasification for green ammonia production within kraft mills, using KraftSIM modeling to evaluate ammonia production, steam balance, emissions, and utility impacts. The proposed design enables energy and water system integration with the existing mill and allows for a gradual scale-up without disrupting the chemistry and operation of the recovery cycle. Across five scenarios representing different biomass gasification rates ranging from 100 to 1000 bone-dry metric tons per day (BDMT/d), the process yields ammonia at approximately 0.51 metric tons per bone-dry metric ton (t/ BDMT), while generating significant low- and medium-pressure steam and hot water that offset mill utility demands. The incineration of pressure swing adsorption tail gas and ammonia plant purge gas in the power boiler reduces biomass combustion and enhances power boiler efficiency. Economic analysis suggests a net revenue potential of approximately CA$380/BDMT, which could increase with the implementation of biogenic carbon pricing. Overall profitability is strongly influenced by biomass procurement costs, electricity prices, and prevailing green fuel and chemical market premium. This work outlines a practical, near-term decarbonization pathway for kraft mills by coupling green fuel production with potential opportunities for carbon removal.

Journal articles
Open Access
Automotive nonwoven filter medial: their constructions and filter mechanisms, TAPPI JOURNAL April 1988 88APR161

Automotive nonwoven filter medial: their constructions and filter mechanisms, TAPPI JOURNAL April 1988

Journal articles
Open Access
Use of fillers in papermaking, TAPPI JOURNAL April 1988 88APR77

Use of fillers in papermaking, TAPPI JOURNAL April 1988

Journal articles
Open Access
James River improves performance, saves money with its corporate process control system maintenance program, TAPPI JOURNAL April 1988 88APR93

James River improves performance, saves money with its corporate process control system maintenance program, TAPPI JOURNAL April 1988

Journal articles
Open Access
Analysis of paper machine performance, TAPPI JOURNAL April 1988 88APR97

Analysis of paper machine performance, TAPPI JOURNAL April 1988

Journal articles
Open Access
A new generation of paper machine trim programs, TAPPI JOURNAL August 1988

A new generation of paper machine trim programs, TAPPI JOURNAL August 1988

Journal articles
Open Access
The combination of highly charged polyelectrolytes with retention agents: retention in the presence of interfering substances, TAPPI JOURNAL August 1988

The combination of highly charged polyelectrolytes with retention agents: retention in the presence of interfering substances, TAPPI JOURNAL August 1988

Journal articles
Open Access
Acid-insoluble and acid-soluble lignin characteristics in kraft pulping of hybrid salix clones, TAPPI JOURNAL August 1988

Acid-insoluble and acid-soluble lignin characteristics in kraft pulping of hybrid salix clones, TAPPI JOURNAL August 1988

Journal articles
Open Access
Nonwood fiber: Number 2, and trying harder-An interview with Dr. Joseph E. Atchison, TAPPI JOURNAL August 1988

Nonwood fiber: Number 2, and trying harder-An interview with Dr. Joseph E. Atchison, TAPPI JOURNAL August 1988

Journal articles
Open Access
Deinking at Papelera Peninsular and the philosophy of deinking system design, TAPPI JOURNAL August 1988

Deinking at Papelera Peninsular and the philosophy of deinking system design, TAPPI JOURNAL August 1988

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