Hydrogen Sulfide Adsorption by Iron Oxides and Their …
1. Introduction. Hydrogen sulfide (H 2 S) is one of the major concerns in civil activities [] and industrial processes [] where it represents an undesired compound for many different reasons.It poses serious safety challenges at a small and large scale owing to accidental releases, whose critical conditions are rapidly reached in case of fugitive …
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Pyrophoric Iron Fires
There is a greater likelihood of this reaction occurring when the process involves a feedstock with high sulfur content. This pyrophoric iron sulfide (PIS) lays dormant in the equipment until the equipment is shutdown and opened for service, exposing the PIS to air, allowing the exothermic process of rapid oxidation of the …
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SWD MANAGEMENT AND INJECTIVITY
Root Cause Solutions. Map the Process Flow with T & P. Develop a monitoring and system survey plan. Walk the pipe & process flow with Operations. Compile all …
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Gas Sweetening using Iron Sponge Process
Iron sponge process is economically applied for gases containing small concentration of hydrogen sulfide (H 2 S), usually less than 300 ppm, operating from low to moderate pressure in a range of …
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Services | Decontamination | Industrial Services Saudi Arabia
The dynamic range of Zyme-Flow chemistries and service applications are recognized as the global standard for complete decontamination in refining and petrochemical plants. Using a single chemistry, the patented Zyme-Flow Process simultaneously eliminates pyrophoric iron sulfide, hydrogen sulfide, LEL's, and benzene from process units.
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Iron sulfide control
Overview. Iron sulfide (FeS) plugs filters, builds up in tanks, shortens production-equipment life, and damages the formation. Iron sulfide control programs from Baker Hughes minimize the problem and control operational cost. We offer a complete set of …
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Mechanisms of bioleaching: iron and sulfur oxidation by …
Due to the production of sulfuric acid resulting from sulfide oxidation to sulfate [], and the low nutrient environment of 'bare' mineral substrates [], the organisms used for bioleaching are typically acidophilic chemolithoautotrophs.These are microbes that thrive in low-pH environments, capable of exploiting inorganic electron sources (e.g. …
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US2852339A
Process of chlorinating iron sulfide to produce ferrous chloride and sulfur Download PDF Info Publication number US2852339A. US2852339A US483268A US48326855A US2852339A US 2852339 A US2852339 A US 2852339A US 483268 A US483268 A US 483268A US 48326855 A US48326855 A US 48326855A US 2852339 A US2852339 A …
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Liquid phase oxidation processes for the removal of hydrogen sulfide
After the failure of the polythionate processes, development shifted towards utilizing suspensions of iron oxide in aqueous solutions, which in essence was an attempt at a continuous iron sponge process. The hydrogen sulfide reacts with an alkaline compound to form hydrosulfide, which reacts with iron oxide to form iron sulfide, which in turn ...
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Copper Processing
Typical Copper Extraction Process Flow Chart (Copper Oxide): Multotec specialises in process equipment used in copper beneficiation, with over 50 years of global experience. Our team of metallurgists and engineers …
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Metal sulfide precipitation coupled with membrane filtration process
An experimental set-up of metal sulfide precipitation reactor coupled with a MF module included a sealed, stirred and jacketed glass reactor of 2L capacity, connected with a MF module through a diaphragm pump (KNF, Model NF 1.300TT18RC), as shown in Fig. 1.The membranes tested were mono tubular ceramic TiO 2, with an active layer of …
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Typical Copper (Sulphide) Beneficiation Flow Sheet
Typical Copper (Sulphide) Beneficiation Flow Sheet Multotec specialises in copper (sulphide) beneficiation equipment with over 50 years of global experience and leading technology. Our team of metallurgists and engineers will partner with you to customise your equipment, helping your process run more efficiently while lowering your overall cost ...
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Flow sheet of the process for the disposal of iron sulfide …
The two most prevalent iron sulfide minerals (pyrite and pyrrhotite) and lab-synthesized nanocrystalline mackinawite have been extensively studied as typical iron sulfide in removing various ...
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Scale Remediation in the Marcellus Shale: Calcium Carbonate and Iron
The reaction between calcium carbonate and iron sulfide with HCl can produce an elevated amount of CO2 and H2S, respectively which are not present in normal operations.
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Sulfide precipitation of heavy metals
A full-scale sulfide precipitation process (Na2S as sulfide source) with a capacity of 1.0 x 106 gallons per day is operating at Boliden Metall Corporation of Sweden to treat smelter (Cu, Pb, Zn smelting) wastewaters. One copper smelter in Japan has a sulfide precipitation process to recover heavy metals as sulfides.
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Oilfield iron sulfide scale formation and mitigation
Abstract. Iron sulfide scale is ubiquitous in oilfield sour systems, largely as the by-product of hydrogen sulfide corrosion reactions. Although a thin, dense layer …
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Mitigating iron foulants in refinery processes
Reaction 3 Iron oxide reacts with organic sulphur or hydrogen sulphide (H2S): Soluble organic iron species such as iron carboxylates and iron naphthenates are likely to decompose at higher temperatures, reacting with organic sulphur or H2S to form FeS deposits on process equipment surfaces. Their decomposition temperature is >300°C.
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IRON SULFIDE CONTROL
Iron Sulfide Control. Iron sulfide presents many challenges in the oil and gas industry. Its presence indicates a problem in the production stream and will cause problems across all aspects of production and transmission. Iron sulfide causes corrosion by bonding to metal surfaces and causing an electrochemical reaction that degrades metal.
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Here Are Procedures For Handling Persistent Black-Powder …
Black powder can collect in gas pipelines, leading to flow loss and premature failure of compressors, instruments, and other equipment. (Photograph courtesy of Southwest Research...
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HYDROGEN SULFIDE REMOVAL FROM BIOGAS Part 3A: …
Part 3A: Iron Sponge Basics November 2017 One of the oldest technologies for the removal of hydrogen sulfide (H 2 S) from gas is the use of "Iron Sponge". A chemical-physical process, originally developed to remove H 2 S from natural and coal gas streams, iron sponge has been in use for over 140 years and more recently to remove H 2
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Mineral Processing Industry
Our engineers and metallurgists will help you process minerals faster and more efficiently. Full range of process equipment to optimise your mineral processing plant. Large stockholdings & fast delivery of equipment and spares to support your plant . 24-hour field services, technical and maintenance support. Metallurgical & engineering support
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Copper Ore Processing Plants, Flow And Equipment
Copper industrial minerals include: natural copper, chalcopyrite, chalcocite, tetrahedrite, azurite, malachite, etc. Chalcopyrite (a compound of copper, sulfur, and iron) is mined mainly, followed by chalcocite and bornite. If copper ore wants to be fully utilized, it must be processed by flotation. Flotation separation is an important copper ore …
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Hydrometallurgical nickel and cobalt plants and processes
expertise in iron precipitation, nickel and cobalt producers benefit from environmentally acceptable iron residue storage or further use. Manganese, an impurity often associated with these raw materials, can be precipitated as manganese oxide either together with iron or separately. From iron and manganese removal, the pregnant leach
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Unleashing the Power of NH3: Transforming Iron Sulfide…
Unleashing the Power of NH3: Transforming Iron Sulfide!When NH3 encounters iron sulfide, an intriguing transformation occurs. NH3 acts as a potent solvent, engaging in a chemical dance with iron...
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Field Guide for Managing Iron Sulfide (Black Powder) Within …
Field Guide for Managing Iron Sulfide (Black Powder) Within Pipelines or Processing Equipment: For Corrosion Control and Operations Personnel [Powell, Daniel E, Winters, Robert H, Mercer, Mark a] on Amazon. *FREE* shipping on qualifying offers. Field Guide for Managing Iron Sulfide (Black Powder) Within Pipelines or Processing …
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Iron Sponge Process
An example of a hydrogen sulfide scavenger process is the iron sponge process (also called the dry box process), which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Anerousis and Whitman, 1984). The process was implemented during the 19th century and has been in use in …
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Sulfur Processing | Equipment, Process Flow, Cases
Description. Sulfur (S) is a bright, lemon yellow, soft, non-metallic element that has a very low thermal conductivity, meaning it cannot transfer heat very well. The …
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ZymeFlow: Revenue, Competitors, Alternatives
The dynamic range of ZymeFlow chemistries and service applications are recognized as the global standard for complete decontamination in refining and petrochemical plants. Using a single chemistry, the patented Zyme-Flow Process simultaneously eliminates pyrophoric iron sulfide, hydrogen sulfide, LEL's, and benzene from process units.
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Simulation experiment and kinetic investigation on biological sulfide …
Yuanba gas field is an ultra-deep, gentle slope type, platform margin bioherm high-sulfur gas reservoir with complex and diverse reef and beach development patterns [[1], [2], [3], [4]].Due to the special geological sedimentary environment in this area and thermochemical reduction of sulfate (TSR) in the process of reservoir formation, the geochemical …
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Controls Southeast, Inc.
Sulfur storage tanks cool very slowly due to the convergence of several different factors: (1) the tanks contain a large amount of sulfur with a large thermal capacitance, (2) the tanks …
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