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Articles 51721 - 51750 of 52952
Full-Text Articles in Entire DC Network
The Bleaching Of Groundwood, Dale C. Hedquist
The Bleaching Of Groundwood, Dale C. Hedquist
Paper Engineering Senior Theses
Present industrial methods for the bleaching of groundwood are discussed. The conditions and chemicals used for hypochlorite, sodium and zinc hydrosulphite, bisulphite and sodium and hydrogen peroxide bleaching are reviewed. Consistencies, retention time, pH and temperature for maximum brightness are discussed for each process. Chemical reactions for the removal of color are given for several of the processes.
The Effect Of Starch On Clay Dispersions, John L. Moore
The Effect Of Starch On Clay Dispersions, John L. Moore
Paper Engineering Senior Theses
Cationic starches and anionic (oxidized) starches are compared in this thesis with respect to their effect upon dispersion. The methods used for determining dispersion quality were relative sediment volume (RSV) and the Hercules Hi-Shear Viscometer. These methods are compared as to-their applicability for use as practical. tools in determining color dispersion quality. Limitations of RSV are discussed with regard to clay-starch mixtures. Comparisons are made using both types of starch on predispersed and undispersed clays. Hercules rheograms are compared for samples using both starches and clays at 40 percent solids. The rheograms indicate no difference between the cationic and anionic …
A Study Of The Character Of Spent Liquor From The Neutral [Sic] Sulfite Semichemical Process Of Pulping, Bob Legault
A Study Of The Character Of Spent Liquor From The Neutral [Sic] Sulfite Semichemical Process Of Pulping, Bob Legault
Paper Engineering Senior Theses
Introduction
The utilization of spent liquors has been a major item in the research and development field of the pulp an paper industry. In recent years, this problem is being given more serious emphasis due to the tightening of antipollution laws by government agencies. This situation, together with the individual mill's desire to find programs for sound and effective recovery of values are major recipients of engineering and research man hours and dollars. This all points towards a better future for the industry and the community. A closer study than just analysis and physical constants determination is undoubtedly needed in …
Vacancy, Nancy Pattison
The Falcon, Barbara Jordan
Epilogue, Saundra Hybels
Violations In The Morning, John Coyne
Momento Of A Moment, John Coyne
Exiles Of El Akim, Samuel Pipe
Distribution Of Latex In Impregnated Paper, Donald Ward Nay
Distribution Of Latex In Impregnated Paper, Donald Ward Nay
Paper Engineering Senior Theses
Introduction
Impregnation of paper products first began in the early 1920's. It became an important aspect of the industry during World War II when several factors came together to provide the basis for its growth. First of all, the development of synthetic materials provided many new agents with new properties in which to impregnate with. New equipment available at this same time made application and control of the process much easier. To put the drive in the new area, there simultaneously occurred a realization of many new products that impregnated papers could provide. The most important of those during World …
Now, Natalie Hunt
Moses, Leroy Sheline
The Collection, Constance O. Irvin
Untitled, Connie Eshelman
Down To Death, Louis James Hellerman
Around This Beauty; Night, Thomas A. Donovan
Around This Beauty; Night, Thomas A. Donovan
Calliope (1954-2001)
No abstract provided.
For Someone' S Sake, Tad Anthony
Untitled, Guy Gallap
Terminus, Diana Schellenberg
A Night-Piece, Roger Loeffler
New Highways, C. C. Gasta
Untitled, Franklin W. Simons
Untitled, Guy Gallap
November, Albert Anonymous
Haiku, Diane Schellenberg
Lay Me Gently Down, Neil Lamper
Scientifically Writing, Julie Deshong
Tavern In The Town (Dr. Sangren) 1960, Western Michigan University
Tavern In The Town (Dr. Sangren) 1960, Western Michigan University
Faculty Recognition
Tavern in the Town (Dr. Sangren) Script
1960