kennecott sodium hydrosulfide

Electrolysis Oxidation of Chalcopyrite and Molybdenite for ,

Electrolysis Oxidation of Chalcopyrite and Molybdenite for ,

Sodium hydrogen sulfide (NaHS) is commonly used as a copper depressant in the selective flotation of copper and molybdenum or However, the process is facing health and safety issues because .

contractorskennecott

contractorskennecott

No photographing is allowed on Kennecott property without proper authorization The written authorization form must be carried with employee at all times while photographing on RTK property , Hazards of reagents: Sodium Hydrosulfide, Sodium Cyanide, RECO, and MIBC .

GENESIS ENERGY LP (Form: 10-K, Received: 03/17/2008 17:12:35)

GENESIS ENERGY LP (Form: 10-K, Received: 03/17/2008 17:12:35)

demand for, the supply of, changes in forecast data for, and price trends related to crude oil, liquid petroleum, natural gas and natural gas liquids or “NGLs”, sodium hydrosulfide and caustic soda in the United States, all of which may be affected by economic activity, capital expenditures by energy producers, weather, alternative energy sources, international events, conservation and .

Treatment of Mixed Sulfide Oxide Ores of Copper

Treatment of Mixed Sulfide Oxide Ores of Copper

Hydrogen sulfide can easily be made from low-grade copper matte, or from matte made specially for the purpose It might well be used as a precipitant for copper, either from a clear solution or in a pulp, following solution by acid, and preceding flotation, either of the precipitated sulfides alone or together with the natural sulfides of the ore

William Riggs Obituary - Texas - Tributes

William Riggs Obituary - Texas - Tributes

At Tributes we believe that Every Life has a Story that deserves to be told and preserved Tributes is the online source for current local and national obituary news and a supportive community where friends and family can come together during times of loss and grieving to honor the memories of their loved ones with lasting personal tribut

PPT – NEUTRAL DRAINAGE AND AVAILABLE ACID ,

PPT – NEUTRAL DRAINAGE AND AVAILABLE ACID ,

NEUTRAL DRAINAGE AND AVAILABLE ACID-NEUTRALIZATION CAPACITY FROM SILICATES IN A MAGMATIC SULFIDE DEPOSIT Mark Logsdon and Lucy Logsdon Geochimica, Inc – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow - id: 49c789-YjY3M

ex99_1

ex99_1

No customer of the refinery services segment is responsible for more than ten percent of our consolidated revenu Approximately 11% of the revenues of the refinery services segment in 2010 resulted from sales to Kennecott Utah Copper, a subsidiary of Rio Tinto plc

form10k - SEC

form10k - SEC

demand for, the supply of, changes in forecast data for, and price trends related to crude oil, liquid petroleum, natural gas and natural gas liquids or “NGLs”, sodium hydrosulfide and caustic soda in the United States, all of which may be affected by economic activity, capital expenditures by energy producers, weather, alternative energy sources, international events, conservation and .

ATSDR - Medical Management Guidelines (MMGs): Sulfur Dioxide

ATSDR - Medical Management Guidelines (MMGs): Sulfur Dioxide

Oct 21, 2014· At room temperature, sulfur dioxide is a nonflammable, colorless gas with a very strong, pungent odor Most people can smell sulfur dioxide at levels of 03 to 1 ppm It is handled and transported as a liquefied compressed gas It easily dissolves in water The liquid is heavier than water Although sulfur dioxide does not burn in air, cylinders of compressed liquid can explode in the heat of .

2019's 30 Best Manufacturing Companies To Work For In Utah ,

2019's 30 Best Manufacturing Companies To Work For In Utah ,

Kennecott Utah Copper LLC, a division of Rio Tinto Group, is a mining, smelting, and refining company Its corporate headquarters are located in South Jordan, Utah, USA Kennecott operates the Bingham Canyon Mine, one of the largest open-pit copper mines in ,

Damage Cases and Environmental Releases from Mines and ,

Damage Cases and Environmental Releases from Mines and ,

----- This technical background document Damage Cases and Environmental Releases from Mines and Mineral Processing Sites, was submitted for public review to EPA's RCRA Docket £ F-95-PH4A-FFFFF It provides supplementary information and support for ,

US6149883A - Pressure oxidation process for the production ,

US6149883A - Pressure oxidation process for the production ,

Molybdenum trioxide is produced from molybdenite by a pressure oxidation process comprising of the steps of forming an aqueous slurry of molybdenite, pressure oxidizing the slurry to form soluble and insoluble molybdenum species, converting the insoluble molybdenum species to soluble molybdenum species by alkaline digestion, separating the soluble molybdenum species from insoluble residue .

Hydrometallurgical processing of impurity streams ,

Hydrometallurgical processing of impurity streams ,

Aug 22, 1995· In the same stage, a sulfidizing agent, such as gaseous hydrogen sulfide (H 2 S) or liquid sodium hydrogen sulfide (NaHS) is added to precipitate copper as copper sulfide (CuS) and, optionally, arsenic as arsenic sulfide (As 2 S 3) Other species will be extracted as sulfides to a minor extent in this same stage, eg molybdenum, zinc, etc

BIOLOGICAL SULFIDE PRODUCTION FOR METALRECOVERY

BIOLOGICAL SULFIDE PRODUCTION FOR METALRECOVERY

The hydrogen sulfide present in the recycle gas (3-15 %) can be used for precipitation of metals by contacting the recycle gas with the process stream to be treated Compared to the addition of a chemically produced sodium sulfide solution (NaSH) the advantage is that in the biological system no sodium is introduced to the process stream

COPPER DEPRESSANTS: CORRELATION BETWEEN STRUCTURE ,

COPPER DEPRESSANTS: CORRELATION BETWEEN STRUCTURE ,

plants (notably at the Kennecott Utah Division), using dextrin Starches, saporin, various organi c dyes and formaldehyde are some o f the effective MoS2 depressants2 Arnong the important, commercially used copper depressants, sodium hydrosulfide (or sodium sulfide) is by far the more extensively use d ,

Synthesis of Hydroxylated Xanthate Salt and Its Use as ,

Synthesis of Hydroxylated Xanthate Salt and Its Use as ,

The molybdenum recovery achieved using HXS was 991% higher than that obtained using sodium hydrosulfide, and better separation was achieved Compared with sodium hydrosulfite, the chemical oxygen demand, sulfates and five-day BOD decreased significantly using the alternative depressant

DION® Polyester Resins PRODUCT CASE HISTORIES ,

DION® Polyester Resins PRODUCT CASE HISTORIES ,

50 Hooker cells with DSA, replaced epoxy-acrylic resin that failed after 1 year

A Novel Process for the Treatment of Copper-Smelting Waste ,

A Novel Process for the Treatment of Copper-Smelting Waste ,

A novel process was proposed for the separation of Cu and As from Cu-smelting waste acid (CSWA) This process includes three steps, namely, the oxidization of As via the addition of H2O2, the .

(406) 761-4100 (24 hours) MATERIAL SAFETY DATA SHEET ,

(406) 761-4100 (24 hours) MATERIAL SAFETY DATA SHEET ,

page 1 date prepared: 1/13/2011 issue no 2 (406) 761-4100 (24 hours) material safety data sheet sodium hydrosulfide

US7431902B2 - Separation of ammonia from sulfur compounds ,

US7431902B2 - Separation of ammonia from sulfur compounds ,

US7431902B2 US11/349,778 US34977806A US7431902B2 US 7431902 B2 US7431902 B2 US 7431902B2 US 34977806 A US34977806 A US 34977806A US 7431902 B2 US7431902 B2 US 7431902B2 Authority US United States Prior art keywords method alkali gas hydrosulfide sour water Prior art date 2006-02-08 Legal status (The legal status is an assumption and is not a legal conclusion

Minerals Engineering Conferences - Reagents 06

Minerals Engineering Conferences - Reagents 06

The novel use of sodium hydrosulfide to restore the flotation of oxidised sulfide minerals AJH Newell and DJ Bradshaw (University of Cape Town, South Africa) The roles of complexing agents in the sulfidisation and xanthate flotation of cobalt oxy hydroxides of copper-cobalt oxides ores from the Congolese Copperbelt

Copper Remove From Molybdenum Concentrate Processing ,

Copper Remove From Molybdenum Concentrate Processing ,

We have copper remove from molybdenum concentrate processing,Copper Fluorite Molybdenum processing bornite mostly coarse concentrate remove impurities in order to improve the quality of molybdenum molybdenum concentrate Kennecott to invest 270 million in molybdenum processing facility use this catalyst to remove sulfur from fuel

Right to Know Hazardous Substance Fact Sheet

Right to Know Hazardous Substance Fact Sheet

f Sodium Hydrosulfide, when not in solution, may be SPONTANEOUSLY COMBUSTIBLE when exposed to AIR f Sodium Hydrosulfide forms Hydrogen Sulfide gas, especially when heated or involved in a fire Consult the Right to Know Hazardous Substance Fact Sheet on HYDROGEN SULFIDE Workplace Exposure Limits The following exposure limits are for Hydrogen .

SAFETY DATA SHEET - Genesis Energy

SAFETY DATA SHEET - Genesis Energy

SAFETY DATA SHEET 1 Identification Product identifier Sodium Hydrosulfide Solution Other means of identification SDS number GENLP-TDC-001 Recommended use Product is a unique alkaline material, playing a vital role in many industrial process Recommended restrictions Use in accordance with supplier's recommendations

Recent advances of rhenium separation and enrichment in ,

Recent advances of rhenium separation and enrichment in ,

Recent advances of rhenium separation and enrichment in China: Industrial processes and laboratory trials Author links open overlay panel Yin Wang a b Congyang Wang c d Show more , Optimized Kennecott process and recovery process from Pt-Re deactivated catalyst , and hydrogen sulfide (H 2 S) are added to the stripping solution, rhenium .

William Riggs Obituary - Conroe, Texas | Legacy

William Riggs Obituary - Conroe, Texas | Legacy

William Riggs passed away in Conroe, Texas Funeral Home Services for William are being provided by Cashner Funeral Home The obituary was featured in The Courier of Montgomery County on June 11 .

Group Va Metal Or Arsenic (sb, Bi, Or As) Patents and ,

Group Va Metal Or Arsenic (sb, Bi, Or As) Patents and ,

Search for Group Va Metal Or Arsenic (sb, Bi, Or As) Patents and Patent Applications (Class 423/87) Filed with the USPTO

(PDF) Study of the Effect of Sodium Sulfide as a Selective ,

(PDF) Study of the Effect of Sodium Sulfide as a Selective ,

sodium sulfide added at about 10 − 4 mol/ L, indicating that a small am ount of sodium sulfide addition could improve chalcopyrite flotation It seems that hydrosulfide prefers to react with .

Genesis Energy, LP 8-K Sep 26 2011 | Seeking Alpha

Genesis Energy, LP 8-K Sep 26 2011 | Seeking Alpha

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: o Written communications .

Sodium hydrosulfide - Wikipedia

Sodium hydrosulfide - Wikipedia

Sodium hydrosulfide is the chemical compound with the formula NaHS This compound is the product of the half-neutralization of hydrogen sulfide (H 2 S) with sodium hydroxide NaHS is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent, more often as an aqueous solution