Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Joshua S. Dranoff"'
Publikováno v:
AIChE Journal. 45:574-580
As a part of a fundamental study of the kinetics of rapid smelting reduction of iron oxide with solid carbon, particles of carbon-coated iron ore were prepared by heating a mixture of iron ore and phenolphthalein (a model compound of coal tar) at 773
Autor:
Takuo Sugawara, Ko jiro Ogiwara, Katsuyasu Sugawara, Hiromi Sakusabe, Tomomichi Nishino, Joshua S. Dranoff
Publikováno v:
AIChE Journal. 43:2837-2843
As a part of fundamental study on the kinetics of electroceramics processing by wet chemical methods, barium titanate precursor gel was prepared using barium acetate and titanium tetra-isopropapoxide as starting materials. Experimental results indica
Publikováno v:
Chemical Engineering Science. 50:3801-3812
A single pellet diffusion reactor (SPDR) of new design has been used to investigate the influence of nonuniform distributions of active ingredient on the Ni-catalyzed hydrogenation of benzene. Five different distributions, ranging from preferential s
Autor:
Joshua S. Dranoff
Publikováno v:
International Journal of the Society of Materials Engineering for Resources. 3:219-228
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 28:103-109
The selective separation of amino acids, glutamic acid, methionine and lysine, from their solution mixture was examined by electrodialysis with ion-exchange membranes, SELEMION-CMV and SELEMION-AMV, under conditions of pH 1 to 12 and current densitie
Autor:
Shinji Miyata, Ken-Ichi Kikuchi, Hiroshi Takahashi, Takeshi Gotoh, Joshua S. Dranoff, Takuo Sugawara
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 27:391-398
The sorption equilibria of glutamic acid (Glu), methionine (Met), and lysine (Lys) on a cation-exchange membrane, SELEMION-CMV, and an anion-exchange membrane, SELEMION-AMV, have been investigated over a wide range of pH. The cation-exchange membrane
Publikováno v:
Industrial & Engineering Chemistry Research. 31:2503-2516
The chemistry of hydrodenitrogenation catalysis is discussed with special attention being focused on the nature of the catalytic sites active for piperidine hydrogenolysis and the mechanism operative in the C-N bond cleavage during piperidine convers
Autor:
Hiroki Koyama, Joshua S. Dranoff
Publikováno v:
Industrial & Engineering Chemistry Research. 31:2265-2272
A model has been formulated for noncatalytic thermal cracking of ethane and propane in a non-isothermal, adiabatic, vertical, pneumatic transport reactor. This model takes into consideration hydrodynamic properties of the gas-solid mixture, gas-parti
Publikováno v:
Journal of Catalysis. 135:481-504
A group of fresh, deactivated, and deactivated-regenerated commercial hydrocracking catalysts was characterized using piperidine hydrogenolysis as a probe reaction at 301C, hydrogen partial pressures of about l6 atm, and initial concentrations of pip
Publikováno v:
Journal of Catalysis. 135:27-44
The formation of coke in the piperidine hydrogenolysis reaction over a fresh sulfided hydrocracking catalyst was examined at temperatures ranging from 281 to 321 C, hydrogen partial pressures of 11.2 to 15.9 atm (1.1 to 1.6 MPa), and initial concentr