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Removal of phthalate from papermaking wastewater by MIL-101(Fe) in the presence of persulfate, TAPPI JOURNAL March 2018
Removal of phthalate from papermaking wastewater by MIL-101(Fe) in the presence of persulfate, TAPPI JOURNAL March 2018
Journal articles
Magazine articles
Editorial: 2017 PEERS Conference: Maximizing success through innovation, TAPPI JOURNAL May 2018
Editorial: 2017 PEERS Conference: Maximizing success through innovation, TAPPI JOURNAL May 2018
Journal articles
Magazine articles
Editorial: Looking back and looking forward: Paper physics and the paper industry, TAPPI Journal October 2018
Editorial: Looking back and looking forward: Paper physics and the paper industry, TAPPI Journal October 2018
Journal articles
Magazine articles
A Theory for the Tensile Strength of Paper, TAPPI Journal October 2018
A Theory for the Tensile Strength of Paper, TAPPI Journal October 2018
Journal articles
Magazine articles
Importance of specimen preparation for edgewise compressive strength (ECT) testing, TAPPI JOURNAL April 2018
Importance of specimen preparation for edgewise compressive strength (ECT) testing, TAPPI JOURNAL April 2018
Journal articles
Magazine articles
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018
Journal articles
Magazine articles
Guest Editorial: Recognizing excellence in recycling, TAPPI
Guest Editorial: Recognizing excellence in recycling, TAPPI JOURNAL February 2012
Journal articles
Magazine articles
Mechanical modification of softwood pulp fibers using a novel lightweight vertical bar plate, TAPPI Journal April 2021
ABSTRACT: Refiner plates made using sand casting have a draft angle, which results in a trapezoidal bar shape. These trapezoidal bar plates have a limited throughput compared to the vertical bar plates, and eventually the edges of the bars become dull, resulting in longer time to reach the target freeness and shorter service life. The new light-weight refiner plate with a bar insertion method into a plate base was developed by selecting an aluminium-based alloy as the plate base material and a stainless steel alloy with high wear resistance as the bar material. The light-weight plate with sharp bar edges was very effective in reducing refining energy by reaching the target freeness faster than the sand-cast bar plate. Finally, the lightweight sharp bar plate, which weighed only about half the weight of the cast bar plate, was expected to significantly contribute to easy replacement, improved paper quality, and larger throughput without excessive loss of fiber length.
Journal articles
Magazine articles
Mechanistic aspects of nanocellulose•cationic starch•colloidal silica systems for papermaking, TAPPI Journal February 2023
ABSTRACT: Optimization of a chemical additive program for a paper machine can require attention to both colloidal charges and kinetic effects. This work considered an additive program with two negatively charged substances (nanofibrillated cellulose [NFC] and colloidal silica) and two positively charged items (cationic starch and cationic acrylamide copolymer retention aid). Results were shown to depend on charge interactions; however, that clearly was not the whole story. Some findings related to cationic demand, dewatering, fine-particle retention, and flocculation among fibers were best explained in terms of at least partly irreversible complexation interactions between the charged entities. Adjustments in ratios between oppositely charged additives, their sequences of addition, and effects of hydrodynamic shear levels all affected the results. In general, the most promising results were obtained at a cationic starch level of 0.25% to 0.5% based on sheet solids in systems where the cationic starch was used as a pretreatment for NFC.
Journal articles
Magazine articles
An analytical method to quantitatively determine the amount of polyamide epichlorohydrin (PAE) in paperboard and white water, TAPPI Journal February 2023,
ABSTRACT: Polyamide epichlorohydrin (PAE) is a permanent wet strength resin. When applied to paperboard, some amount of resin is retained in the sheet, and some is lost to the white water. An analytical method for quantifying the amount of PAE retained in the sheet and lost into the white water has been developed. This method hydrolyzes the PAE to adipic acid, which in turn is derivatized to diethyl adipate and quantified by pyrolysis gas chromatography•mass spectrometry (pyGCMS). In addition, the hydrolysis conditions of the PAE were studied by the Taguchi approach, and PAE material balances around the dry sheet and white water for 3 and 6 lb/ton PAE applications have been performed. The PAE resin recovery was 95.4% with 65.0% in the sheet for the 3 lb/ton PAE-charged paper-board, and the recovery was 96.7% with 36.1% in the sheet for the 6 lb/ton PAE-charged paperboard.