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#	Item
971	166 SULFUR (Data in thousand metric tons of sulfur, unless otherwise noted) Domestic Production and Use: In 1996, elemental sulfur and byproduct sulfuric acid were produced at 168 operations in 30 States, Puerto Rico, a Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1997-03-12 07:48:26 Unit processes Chalcogens Sulfur Oleum Petroleum Natural-gas processing Oil refinery Frasch process Sulfur dioxide Chemistry Sulfates Sulfur oxoacids
972	164 SULFUR (Data in thousand metric tons of sulfur, unless otherwise noted) Domestic Production and Use: In 1999, elemental sulfur and byproduct sulfuric acid were produced at 149 operations in 30 States, Puerto Rico, a Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2000-03-06 13:55:07 Chemical engineering Sulfates Sulfur oxoacids Sulfur Claus process Petroleum Oleum Natural-gas processing Oil refinery Chemistry Unit processes Oil refining
973	2007 Minerals Yearbook SULFUR U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2013-06-21 10:55:02 Unit processes Sulfates Sulfur oxoacids Sulfur Claus process Frasch process Oleum Petroleum Hydrogen sulfide Chemistry Chemical engineering Oil refining
974	SULFUR By Joyce A. Ober Domestic survey data and tables were prepared by Maria Arguelles, statistical assistant, and the world production table was prepared by Glenn J. Wallace, international data coordinator. After near Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2002-05-01 09:21:38 Oil refining Petroleum products Sulfates Sulfur Frasch process Hydrodesulfurization Claus process Diesel fuel Herman Frasch Chemistry Chemical engineering Unit processes
975	SULFUR By Joyce A. Ober Through its major derivative sulfuric acid, sulfur ranks as one of the more important elements used as an industrial raw material. It is of prime importance to every sector of the world’s indust Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1997-12-17 13:43:13 Oil refining Sulfates Sulfur oxoacids Sulfur Frasch process Claus process Oleum Petroleum Hydrogen sulfide Chemistry Unit processes Chemical engineering
976	SULFUR By Joyce A. Ober Domestic survey data and tables were prepared by Maria Arguelles, statistical assistant, and the world production table was prepared by Glenn J. Wallace, international data coordinator. The U.S. s Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2000-11-21 07:51:24 Oil refining Sulfates Sulfur oxoacids Sulfur Frasch process Petroleum Claus process Hydrodesulfurization Natural-gas processing Chemistry Unit processes Chemical engineering
977	158 SULFUR (Data in thousand metric tons of sulfur unless otherwise noted) Domestic Production and Use: In 2009, elemental sulfur and byproduct sulfuric acid were produced at 114 operations in 29 States and the U.S. Vir Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2010-01-27 10:07:56 Chemical engineering Sulfates Sulfur oxoacids Sulfur Claus process Petroleum Oleum Oil refinery Natural-gas processing Chemistry Unit processes Oil refining
978	160 SULFUR (Data in thousand metric tons of sulfur, unless otherwise noted) Domestic Production and Use: In 2000, elemental sulfur and byproduct sulfuric acid were produced at 128 operations in 30 States and the U.S. Vi Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2001-02-01 13:49:06 Chemical engineering Sulfates Sulfur oxoacids Sulfur Claus process Oleum Petroleum Oil refinery Sulfide Chemistry Unit processes Oil refining
979	158 SULFUR (Data in thousand metric tons of sulfur unless otherwise noted) Domestic Production and Use: In 2012, elemental sulfur and byproduct sulfuric acid were produced at 109 operations in 26 States and the U.S. Vir Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2013-01-29 12:06:09 Chemical engineering Sulfates Sulfur oxoacids Sulfur Claus process Oleum Petroleum Natural-gas processing Fossil fuel Chemistry Unit processes Oil refining
980	164 SULFUR (Data in thousand metric tons of sulfur, unless otherwise noted) Domestic Production and Use: In 2002, elemental sulfur and byproduct sulfuric acid were produced at 124 operations in 30 States and the U.S. Vi Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2003-02-11 14:07:16 Oil refining Sulfates Sulfur oxoacids Sulfur Claus process Oleum Petroleum Natural-gas processing Diesel fuel Chemistry Unit processes Chemical engineering

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