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Journal articles
A platform for millwide information systems, June 1988, Tappi Journal 88JUN61
A platform for millwide information systems, TAPPI JOURNAL June 1988
Journal articles
Advanced disturbed control of industrial stem turbines, June 1988, TAPPI Journal 88JUN72
Advanced distributed control of industrial steam turbines, TAPPI JOURNAL June 1988
Journal articles
Brush polishing of coated board and supercalendered coated papers, TAPPI JOURNAL March 1988
Brush polishing of coated board and supercalendered coated papers, TAPPI JOURNAL March 1988
Journal articles
Measurement of strains in a paper tensile specimen using computer vision and digital image correlation: Part 1: Data acquisition and image analysis system, TAPPI JOURNAL March 1988
Measurement of strains in a paper tensile specimen using computer vision and digital image correlation: Part 1: Data acquisition and image analysis system, TAPPI JOURNAL March 1988
Journal articles
Computer-assisted ultrasonic detection and measurement of cracks in pressure vessels, TAPPI JOURNAL March 1988
Computer-assisted ultrasonic detection and measurement of cracks in pressure vessels, TAPPI JOURNAL March 1988
Journal articles
Corrosion fatigue testing of suction roll alloys, TAPPI JOURNAL March 1988
Corrosion fatigue testing of suction roll alloys, TAPPI JOURNAL March 1988
Journal articles
The design of aboveground fiberglass-reinforced piping systems, TAPPI JOURNAL March 1988
The design of aboveground fiberglass-reinforced piping systems, TAPPI JOURNAL March 1988
Journal articles
Automated control of washer shower water at ITT Rayonier, TAPPI JOURNAL March 1988
Automated control of washer shower water at ITT Rayonier, TAPPI JOURNAL March 1988
Journal articles
Practical applications of new calendering techniques, TAPPI JOURNAL May 1988 88MAY83
Practical applications of new calendering techniques, TAPPI JOURNAL May 1988
Journal articles
Magazine articles
Pilot scale black liquor concentration using pressure driven membrane separation, TAPPI Journal April 2023
ABSTRACT: Black liquor concentration using pressure driven membrane separation has long been proposed as a means of achieving energy savings and breaking production bottlenecks. To date, limitations in membrane performance and stability under black liquor process conditions have prevented those promises from being realized out-side of tightly controlled laboratory settings. In this work, we describe the first successful pilot scale field deployments of a membrane system for black liquor concentration. Using a purpose-built system and commercial sized, spiral wound graphene oxide membrane elements, we have logged nearly 6000 h of runtime across deployments to multiple mill sites. We demonstrate concentration of black liquor from 14% to >20% total solids, while generating permeate water comparable in quality to that of evaporator condensate and an 81% reduction in energy consumption relative to evaporation. At a commercial scale, these results translate to $2 M/year in net energy savings for a typical mill, as well as an opportunity to support production increases or mill expansions. These results represent a significant leap forward in the ability of membrane systems to deliver substantial value via black liquor concentration.