| 10875787 |
Radium removal from aqueous media using zeolite materials |
Charles S. Williams |
2020-12-29 |
| 9908788 |
Radium removal from aqueous media using zeolite materials |
Charles S. Williams |
2018-03-06 |
| 8663479 |
Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefrom |
Charles S. Williams |
2014-03-04 |
| 7476311 |
Arsenic removal from aqueous media using chemically treated zeolite materials |
Charles S. Williams |
2009-01-13 |
| 7326348 |
Method for removal and destruction of ammonia from an aqueous medium |
Charles S. Williams |
2008-02-05 |
| 7108784 |
Apparatus for removal and destruction of ammonia from an aqueous medium |
Charles S. Williams |
2006-09-19 |
| 7105087 |
Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials |
— |
2006-09-12 |
| 6818191 |
Autoclave control mechanisms for pressure oxidation of molybdenite |
Paul B. Queneau, Rong-Chien Wu |
2004-11-16 |
| 6730279 |
Production of pure molybdenum oxide from low grade molybdeniteconcentrates |
Robert W. Balliett, Wolfgang Kummer, Lawrence F. McHugh, Harry H. K. Nauta, Paul B. Queneau +1 more |
2004-05-04 |
| 6403044 |
Method and apparatus for stabilizing liquid elemental mercury |
Thomas E. Broderick, Robin M. Stewart |
2002-06-11 |
| 5354358 |
Process for removing uranium and other metals from wastes |
Nicholas J. Lombardo, Robert Leland Schwartz |
1994-10-11 |
| 4814149 |
Process for recovering molybdenum from solution in a form that is substantially free from vanadium |
— |
1989-03-21 |
| 4606764 |
Method of recovering metals from ores using a formate reducing agent |
Wayne C. Hazen, Enzo L. Coltrinari, David L. Thompson |
1986-08-19 |
| 4548794 |
Method of recovering nickel from laterite ores |
E. Harris Lowenhaupt, Dennis L. Howe |
1985-10-22 |
| 4541868 |
Recovery of nickel and cobalt by controlled sulfuric acid leaching |
E. Harris Lowenhaupt, Dennis L. Hoe |
1985-09-17 |
| 4541994 |
Method of liberating nickel- and cobalt-enriched fines from laterite |
E. Harris Lowenhaupt, Dennis L. Howe |
1985-09-17 |
