DAVID A DZOMBAK
Engineers in Pittsburgh, PA
License number
Pennsylvania PE041236E
Category
Engineers
Type
Professional Engineer
Address
Address
Pittsburgh, PA 15208
Personal information
See more information about DAVID A DZOMBAK at radaris.comName
Address
Phone
6929 Rosewood St, Pittsburgh, PA 15208
Pittsburgh, PA
6929 Rosewood St, Pittsburgh, PA 15208
Professional information
See more information about DAVID A DZOMBAK at trustoria.com
Alumina Catalysts Support Manufacture
Alumina Catalysts Support Manufacture
US Patent:
5516744, May 14, 1996
Filed:
Aug 15, 1994
Appl. No.:
8/288712
Inventors:
David A. Dzombak - Pittsburgh PA
Cynthia R. Evanko - Pittsburgh PA
Cynthia R. Evanko - Pittsburgh PA
Assignee:
Carnegie Mellon University - Pittsburgh PA
International Classification:
B01J 2104, B01J 3200
US Classification:
502355
Abstract:
Disclosed is a process for providing an improved catalyst support comprising the steps of providing a dispersion of alumina in water, the dispersion maintained under acidic conditions; adding a stabilizing agent to said dispersion, the stabilizing agent capable of stabilizing said dispersion and inhibiting gellation thereof, the stabilizing agent having the formula: ##STR1##.
Method For Treating Water Contaminated With Cyanide
Method For Treating Water Contaminated With Cyanide
US Patent:
5837145, Nov 17, 1998
Filed:
May 23, 1997
Appl. No.:
8/862204
Inventors:
David A. Dzombak - Pittsburgh PA
Rajat S. Ghosh - Pittsburgh PA
Richard G. Luthy - Pittsburgh PA
Rajat S. Ghosh - Pittsburgh PA
Richard G. Luthy - Pittsburgh PA
Assignee:
Aluminum Company of America - Pittsburgh PA
International Classification:
C02F 158
US Classification:
210715
Abstract:
A method for treating cyanide contaminated water is disclosed. This method generally involves passing the contaminated water through a bed containing elemental iron, to form a precipitate by a reaction between the iron and any of various cyanide species which exist in the water. The method can be applied either above ground or in situ in the subsurface environment.
Alumina Catalyst Support Preparation
Alumina Catalyst Support Preparation
US Patent:
5516743, May 14, 1996
Filed:
Aug 15, 1994
Appl. No.:
8/288718
Inventors:
David A. Dzombak - Pittsburgh PA
Cynthia R. Evanko - Pittsburgh PA
Cynthia R. Evanko - Pittsburgh PA
Assignee:
Carnegie Mellon University - Pittsburgh PA
International Classification:
B01J 2104, B01J 3200
US Classification:
502355
Abstract:
Disclosed is a process for providing an improved catalyst support comprising the steps of providing a dispersion of alumina in water, the dispersion maintained under acidic conditions; and adding a stabilizing agent to said dispersion, the stabilizing agent capable of stabilizing said dispersion and inhibiting gellation thereof, the stabilizing agent having the formula: ##STR1##.