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Open Access
Case study: Paper mill power plant optimization—balancing steam venting with mill demand, TAPPI Journal June 2020

ABSTRACT: Most Power departments are tasked with generating steam to support mill wide operations, generate electricity, and reduce operating costs. To accomplish these tasks, power boilers generate high pressure steam that is reduced to intermediate and low pressures for process utilization in the mill by means of steam turbine generator extraction or pressure reducing valves. The most economical method to reduce steam pressure is the use of steam turbine generators, as electricity is generated from the steam when it is reduced in pressure. Electricity that is produced by these generators provides a substantial financial benefit and helps offset overall operational costs. To achieve tangible financial gains, the mill must evaluate the overall cost of steam production and the price of electricity.The current work provides a case study of power plant optimization that evaluated electricity production and steam production costs balanced with mill steam demand. Process and cost optimization led to a significant reduc-tion in low pressure steam venting, resulting in reduced fuel consumption and reduced operating cost.

Journal articles
Magazine articles
Open Access
Effects of different ammonium lignosulfonate contents on the crystallization, rheological behaviors, and thermal and mechanical properties of ethylene propylene diene monomer/polypropylene/ammonium lignosulfonate composites, TAPPI Journal January 2020

ABSTRACT: Thermoplastic elastomer (TPE), made from ethylene propylene diene monomer (EPDM) and polypropylene (PP) based on reactive blending, has an excellent processing performance and characteristics and a wide range of applications. However, there are currently no reports in the literature regarding the usage of TPE in making composite boards. In this paper, EPDM, PP, and ammonium lignosulfonate (AL) were used as the raw materials, polyethylene wax was used as the plasticizer, and a dicumyl peroxide vulcanization system with dynamic vulcanization was used to make a new kind of composite material. This research studied the influences of the AL contents on the crystallization behaviors, rheological properties, thermal properties, and mechanical properties of the composites. The results showed that the AL content had a noticeable impact on the performance of the composite board. Accordingly, this kind of composite material can be used as an elastomer material for the core layer of laminated flooring.

Journal articles
Open Access
Use of enzymes for reduction in refining energy - laboratory

Use of enzymes for reduction in refining energy - laboratory studies, TAPPI JOURNAL, November 2006

Journal articles
Open Access
Image analytical monitoring of paper quality - a feasibility

Image analytical monitoring of paper quality - a feasibility study, TAPPI JOURNAL, November 2006

Journal articles
Open Access
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, Novem

Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, November, 2006

Journal articles
Open Access
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, Novem

Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, November, 2006

Journal articles
Open Access
A review of gas flows in fiber suspensions, TAPPI JOURNAL, Online Exclusive, November 2003, Vol. 2(11) (775KB)

A review of gas flows in fiber suspensions, TAPPI JOURNAL, Online Exclusive, November 2003, Vol. 2(11) (775KB)

Journal articles
Open Access
Isolation of Residual Kraft Lignin in High Yield and Purity, JOURNAL OF PULP AND PAPER SCIENCE: VOL. 28 NO. 2 FEBRUARY 2002 [02FEBJP50.pdf]

Isolation of residual kraft lignin in high yield and purity, Journal of Pulp and Paper Science, February 2002, Vol. 28(2) (113KB)

Journal articles
Open Access
Maximization of profit through optimal selection of inventory levels and production rates in pulp and paper mills, TAPPI JOURNAL, July 2003, Vol. 2(7) (166KB)

Maximization of profit through optimal selection of inventory levels and production rates in pulp and paper mills, Solutions! & TAPPI JOURNAL, July 2003, Vol. 2(7) (166KB)

Journal articles
Open Access
Evaluation of a laser-optical resin particle counter, Solutions! & TAPPI JOURNAL, March 2003, Vol. 2(3) (239KB)

Evaluation of a laser-optical resin particle counter, Solutions! & TAPPI JOURNAL, March 2003, Vol. 2(3) (239KB)

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