iron sulfide in ashphalt

Sulfur and iron filing experiment - 2013_104_ElizabethXu
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The iron and the sulfur have undergone a chemical reaction and have been chemically combined to form iron sulfide Below is a link to a video of the experiment, I recommend watching it: Sulfur and iron filing experiment
What is a Hydrogen Sulfide Scavenger (H2S Scavenger ,
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A hydrogen sulfide (H 2 S) scavenger is a specialized chemical or fuel additive widely used in hydrocarbon and chemical processing faciliti These specialized chemicals react selectively with and remove H 2 S to help meet product and process specifications Products treated for H 2 S include crude oil, fuels, and other refined petroleum ,
A New Process For Sulfate Removal From Industrial ,
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A New Process For Sulfate Removal From Industrial Waters Many industrial wastewaters, particularly those associated with mining and mineral processing, contain high concentrations of sulfate These concentrations typically exceed the secondary drinking water standard of 250 mg/L and may be subject to discharge limits between ,
ebpaving
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Hydrogen sulfide can react with the iron in an asphalt storage tank to form iron sulfide Iron sulfide is pyrophoric When exposed to air, iron sulfide is ,
Safety Data Sheet Asphalt - WordPress
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Safety Data Sheet Asphalt SECTION 1 PRODUCT AND COMPANY IDENTIFICATION Product name : Asphalt , Hydrogen Sulfide from the product can react with iron in asphalt storage tank to form iron sulfide, a pyrophoric (a material which ignites spontaneously in air below 130°F) material
Simulation for estimation of hydrogen sulfide scavenger ,
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Simulation for estimation of hydrogen sulfide scavenger injection dose rate for treatment of crude oil , It reacts with iron to form a very insoluble iron sulfide corrosion product and usually adheres to the steel surface as scale It is an excellent electrical conductor and is cathodic to the underlying steel resulting in accelerated .
Pyrophoric Iron Fires - Safety and Pressure Relief ,
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Pyrophoric Iron Fires Nov 08 2010 01:30 PM | Mukesh Sahdev in Safety and Pressure Relief At one time or another, most refineries experience spontaneous ignition of iron sulfide either on the ground or inside equipment
H2S can be a danger in the asphalt workplace | Asphalt ,
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H2S can be a danger in the asphalt workplace By Paul Sohi Hydrogen sulfide (H2S) is a naturally occurring gas contained in many of the world’s crude oils It is also formed by the degradation of sulfur compounds in the oil when it is exposed to high temperatures or catalysts in the refining process
Carbon disulfide - Wikipedia
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Carbon disulfide is a colorless volatile liquid with the formula CS 2 , fats, resins, rubber, and asphalt It has been used in the purification of single-walled carbon nanotub Reactions CS 2 is highly flammable: CS 2 + 3 O 2 → CO 2 + 2 SO 2 , Sodium sulfide affords trithiocarbonate:
Air Pollution Aspects of Hydrogen Sulfide - EPA
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----- AIR POLLUTION ASPECTS OF HYDROGEN SULFIDE Prepared for the National Air Pollution Control Administration Consumer Protection & Environmental Health Services Department of Health, Education, and Welfare (Contract No PH-22-68025) Compiled by Sydney Miner Litton Systems, Inc Environmental Systems Division 7300 Pearl Street ,
Updated: Equipment failure likely cause of Husky ,
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While Husky had planned on treating the iron sulfide to "mitigate" it, that had not yet happened when the explosion occurred, the report sa , That asphalt ,
What is a Hydrogen Sulfide Scavenger (H2S Scavenger ,
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Hydrogen Sulfide Scavenger H2S Scavenger Definition - A hydrogen sulfide (H2S) scavenger is a specialized chemical or fuel additive widely used in.
MATERIAL SAFETY DATA SHEET - DUST CONTROL
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Hydrogen Sulfide can react with the iron in an asphalt storage tank to form iron sulfide Iron Sulfide is pyrophoric When exposed to air, iron sulfide is capable of igniting spontaneously
Revision Date: 3-21-2016 - kokosingmaterials
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asphalt grades may also contain an anti-strip additive Asphalt is considered “air-rectified” as defined by Eurobitume rather than , (iron sulfide) to form inside iron storage tanks These pyrophoric deposits, upon exposure to air, can ignite spontaneously Keep heating coils and flues in storage tanks, trucks and kettles ,
Factual Investigative Update - csbgov
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iron sulfide deposits were not yet treated and could provide a source of ignition if exposed to air Two FCCU vessels,6 the primary absorber7 and sponge absorber8 , barrels of asphalt, puncturing the side of the steel tank and spill-ing over 15,000 barrels of hot asphalt into the refinery (Figure 4)
US9783458B2 - Hydrogen sulfide scavenger - Google ,
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The present disclosure is related to a family of metals chelates for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof The metal chelates, in particular amino acid metal chelates, are particularly efficient at reducing the hydrogen sulfide emissions of asphalt
POLYPHOSPHORIC ACID RESISTANT HYDROGEN SULFIDE SCAVENGER ,
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Jan 26, 2017· polyphosphoric acid resistant hydrogen sulfide scavenger for use in asphalt applications
Worn valve, iron sulfide possible cause of Husky ,
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While Husky had planned on treating the iron sulfide to "mitigate" it, that had not yet happened when the explosion occurred, the report sa , That asphalt ignited at 12:15 pm, over two hours after the initial explosion, and burned into the evening
Pyrophoric Iron Firdocx | Oil Refinery | Sulfide
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When the iron sulfide crystal is subsequently exposed to air, it is oxidized back to iron oxide and either free sulfur or sulfur dioxide gas is formed This reaction between iron sulfide and oxygen is accompanied by the generation of a considerable amount of heat
Aggregates for Concrete - Department of Civil ,
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The important characteristics of aggregates for concrete are listed in Table 5-2 and most are discussed in the following section: , Iron sulfide argillite, and shale Pyrite Carbonates Marcasite Limestone Pyrrhotite Dolomite Iron oxide Marl Magnetite Chalk Hematite Chert Goethite lmenite
REOB's and Other Additives in Asphalt - ,
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–Reduces hydrogen sulfide in asphalt HCl Scavengers –Used in trichloroethylene solvent Detection of REOBs, GTR, and H , Iron 1,200 2,800 8-115 Copper 900 1,000 0 Zinc 5,500 16,000 0 , REOB's and Other Additives in Asphalt Author: TxDOT
Fossilization, How Do Fossils Form
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Organisms are pyritized when they are in marine sediments saturated with iron sulfid Pyrite is iron sulfide (FeS2) As organic matter decays it releases sulfide which reacts with dissolved iron in the surrounding waters , leaving only the internal mold (also see body fossils above) Asphalt (Tar) Asphalt preserves only the hard parts of .
Material Safety Data Sheet Asphalt - msdswcuedu
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Hydrogen Sulfide from the product can react with iron in asphalt storage tank to form iron sulfide, a pyrophoric (a material which ignites ,
Improved cleaning method safely removes pyrophoric iron ,
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Pyrophoric iron sulfide in the tank was treated subsequently by spraying potassium permanganate into the tank until a purple residual was observed At that time, the tank entered and the sludge .
Fire in hot asphalt cargo hold, spontaneous ignition ,
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Fire in hot asphalt cargo hold, spontaneous ignition during unloading Frank Huess HEDLUND COWI; Parallelvej 2, DK-2800 Kongens Lyngby, Denmark
SAFETY DATA SHEET - BP
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Asphalt Covers all Paving, Emulsion Base and Modifed Binders and Olexobit branded Modifed , This material can contain hydrogen sulfide (H2S), a very toxic and extremely , (carbonaceous materials, iron sulphide) may be pyrophoric and auto-ignite when they come into contact with oxygen in the air, for example, when product is removed from ,
REOB's and Other Additives in Asphalt - ,
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REOB’S AND OTHER ADDITIVES IN ASPHALT WASHTO 2015 Subcommittee on Materials & Construction Conference , –Reduces hydrogen sulfide in asphalt HCl Scavengers –Used in trichloroethylene solvent Detection of REOBs, GTR, and H , Iron 1,200 2,800 8-115 Copper 900 1,000 0 Zinc 5,500 16,000 0 .
Part 8: Decontamination of the Crude Unit - FQE ,
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The deposits in crude unit will vary from the coke on the preheat bundles to iron sulfide with light oils in the atmospheric tower overheads to heavy lube oils and asphalt in the vacuum tower Most refiners are already set-up to circulate hydrocarbon solvents through-out the system and to steam-air decoke the furnac
HYDROGEN SULFIDE SCAVENGER - Innophos Inc
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Jan 19, 2017· The present disclosure is related to a family of metals chelates for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof The metal chelates, in particular amino acid metal chelates, are particularly efficient at reducing the hydrogen sulfide emissions of asphalt
How To Treat Sulfur Odors In Well Water - Residential ,
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How To Treat Sulfur Odors In Well Water Water containing hydrogen sulfide gas (“H2S”), has a distinctive “rotten egg” odor, which may be especially noticeable when running hot water , Sources of Hydrogen Sulfide Iron bacteria and sulfur bacteria present in groundwater use iron and sulfur as an energy source and chemically ,

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