Experience in operating blast furnaces with a predicted coke ash content

Metallurgist ◽  
1985 ◽  
Vol 29 (6) ◽  
pp. 196-198
Author(s):  
V. A. Mirko ◽  
V. D. Muzychuk ◽  
G. L. Tsymbal ◽  
A. I. Onishchenko
Keyword(s):  
Ash Content ◽  
Blast Furnaces ◽  
Operating Blast

Operating blast furnaces with a high consumption of liquid fuel

Metallurgist ◽  
1978 ◽  
Vol 22 (11) ◽  
pp. 731-733
Author(s):  
V. E. Levchenko ◽  
V. A. Beletskii ◽  
P. G. Vasil'ev ◽  
M. D. Zhembus ◽  
A. I. Vasyuchenko
Keyword(s):  
Liquid Fuel ◽  
Blast Furnaces ◽  
High Consumption ◽  
Operating Blast

ASSESSMENT OF HEARTH REFRACTORY WEAR IN OPERATING BLAST FURNACES

2018 ◽  
Author(s):  
Hamid Ghorbani ◽  
Kyle Chomyn ◽  
Maher Al-Dojayli ◽  
Afshin Sadri
Keyword(s):  
Blast Furnaces ◽  
Refractory Wear ◽  
Operating Blast

Operating blast furnaces with ore of varying size

Metallurgist ◽  
1969 ◽  
Vol 13 (12) ◽  
pp. 750-751
Author(s):  
V. F. Svetlov ◽  
G. N. Suntsov ◽  
V. I. Ryn'kov ◽  
E. I. Andreev
Keyword(s):  
Blast Furnaces ◽  
Operating Blast

Process of Applying Oxygenated Air in Blast-Furnaces

1877 ◽  
Vol 4 (83supp) ◽  
pp. 1321-1322
Author(s):  
Charles Hornbostel
Keyword(s):  
Blast Furnaces

A novel method for the determination of linting propensity of paper

TAPPI Journal ◽  
2012 ◽  
Vol 11 (10) ◽  
pp. 9-17
Author(s):  
ALESSANDRA GERLI ◽  
LEENDERT C. EIGENBROOD
Keyword(s):  
Ash Content ◽  
The Novel ◽  
Offset Printing ◽  
Excellent Correlation ◽  
End Conditions ◽  
Bottom Side ◽  
Novel Method ◽  
Total Fraction

A novel method was developed for the determination of linting propensity of paper based on printing with an IGT printability tester and image analysis of the printed strips. On average, the total fraction of the surface removed as lint during printing is 0.01%-0.1%. This value is lower than those reported in most laboratory printing tests, and more representative of commercial offset printing applications. Newsprint paper produced on a roll/blade former machine was evaluated for linting propensity using the novel method and also printed on a commercial coldset offset press. Laboratory and commercial printing results matched well, showing that linting was higher for the bottom side of paper than for the top side, and that linting could be reduced on both sides by application of a dry-strength additive. In a second case study, varying wet-end conditions were used on a hybrid former machine to produce four paper reels, with the goal of matching the low linting propensity of the paper produced on a machine with gap former configuration. We found that the retention program, by improving fiber fines retention, substantially reduced the linting propensity of the paper produced on the hybrid former machine. The papers were also printed on a commercial coldset offset press. An excellent correlation was found between the total lint area removed from the bottom side of the paper samples during laboratory printing and lint collected on halftone areas of the first upper printing unit after 45000 copies. Finally, the method was applied to determine the linting propensity of highly filled supercalendered paper produced on a hybrid former machine. In this case, the linting propensity of the bottom side of paper correlated with its ash content.

Facile preparation of nanofiller-paper using mixed office paper without deinking

TAPPI Journal ◽  
2015 ◽  
Vol 14 (3) ◽  
pp. 167-174 ◽  
Author(s):  
QIANQIAN WANG ◽  
J.Y. ZHU
Keyword(s):  
Cellulose Nanofibrils ◽  
Ash Content ◽  
Raw Material ◽  
Mechanical Grinding ◽  
Microscope Imaging ◽  
Facile Preparation ◽  
Electron Microscope Imaging ◽  
Thermal Stability Of ◽  
Scanning Electron ◽  
Office Paper

Mixed office paper (MOP) pulp without deinking with an ash content of 18.1 ± 1.5% was used as raw material to produce nanofiller-paper. The MOP pulp with filler was mechanically fibrillated using a laboratory stone grinder. Scanning electron microscope imaging revealed that the ground filler particles were wrapped by cellulose nanofibrils (CNFs), which substantially improved the incorporation of filler into the CNF matrix. Sheets made of this CNF matrix were densified due to improved bonding. Specific tensile strength and modulus of the nanofiller-paper with 60-min grinding reached 48.4 kN·m/kg and 8.1 MN·m/kg, respectively, approximately 250% and 200% of the respective values of the paper made of unground MOP pulp. Mechanical grinding duration did not affect the thermal stability of the nanofiller-paper.

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