Nickolas J. Themelis - New York NY Baozhong Zhao - Bloomfield NJ
Assignee:
The Trustees of Columbia University in the City of New York - New York NY
International Classification:
C22B 1500
US Classification:
75638
Abstract:
A process for refining high-impurity blister copper to anode quality copper is disclosed. In an oxidation step of a blister copper refining stage, soda ash fluxing removes antimony and arsenic while also removing sulfur and iron. In a deoxidation step of the blister copper refining stage, sulfur hexafluoride is injected at a controlled oxygen concentration to remove bismuth while reducing the oxygen content. Slag is continuously or periodically skimmed from the surface of the molten blister copper to prevent re-entry of impurities. The process may be carried out in batch operation or, in a preferred embodiment, in continuous flow-through operation.
Earth and Environmental Engineering Deparetment 1997 - 2000
Chair
Earth Engineering Center Columbia University 1997 - 2000
Director
Columbia University In the City of New York 1997 - 2000
Director, Earth Engineering Center
Education:
Mcgill University
Doctorates, Bachelor of Engineering, Bachelors, Doctor of Philosophy, Chemical Engineering, Engineering
Skills:
Renewable Energy Climate Change Energy Policy Environmental Engineering Data Analysis Engineering Biomass Environmental Policy Sustainable Energy Biofuels Sustainable Development Energy Research Corporate Social Responsibility Environmental Awareness Energy Management Strategic Planning Environmental Science Public Policy Waste Management Alternative Energy Science Sustainability Energy Efficiency R&D Environmental Impact Assessment Project Management Environmental Management Systems Sustainability Consulting Simulations Life Cycle Assessment Environmental Compliance Environmental Consulting Carbon
Interests:
Global Sustainable Waste Management Etc Reading Sailing Swimming
Name / Title
Company / Classification
Phones & Addresses
Nickolas J. Themelis Partner
Themelis Associates Management Consulting Services Business Services at Non-Commercial Site
90 Morningside Dr, New York, NY 10027 (212)6634676