sulfide melting method

Energy Criteria for Selecting a Sulfide Concentrate ...

2017-10-23  Energy saving is achieved due to implementation of a number of production operations: 1. Use of a blast enriched with oxygen for oxidizing sulfide makes it possible to increase considerably the oxidation rate and heat liberation in a unit of time, which excludes a requirement for burning organic fuel, i.e., the melting process is accomplished autogenically.

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Breaking of Henry’s law for sulfide liquid–basaltic melt ...

2021-10-13  Pt and Pd partitioning between sulfide liquid and basaltic melt. Two sets of experiments were performed at 1 GPa and 1400 °C using a piston cylinder apparatus (Supplementary Data 1 and Methods ...

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The S content of silicate melts at sulfide saturation: New ...

The solubility of sulfur in silicate melts is a subject that attracts the attention of metallurgists interested in the conditions under which immiscible sulfide mattes segregate from silicate slags (e.g., Fincham and Richardson 1954) and of geologists concerned with the behavior of sulfur and chalcophile elements during igneous processes.In the former case, the work of Fincham and

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Phase controlled synthesis of copper sulfide nanoparticles ...

2016-9-1  Melt method. A simple, cheap and solventless method known as the melt method has been used for the synthesis of copper sulfide nanoparticles from alkyl copper xanthate complexes. This synthetic route is simple, reproducible, solventless and particularly convenient for the synthesis of copper sulfide nanoparticles.

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Sulfide - an overview ScienceDirect Topics

Daoliang Li, Shuangyin Liu, in Water Quality Monitoring and Management, 2019. 12.2.4.2 Sulfide. Sulfide is an inorganic anion of sulfur with the chemical formula S2 − or a compound containing one or more S2 − ions. It contributes no color to sulfide salts. As it is classified as a strong base, even dilute solutions of salts such as sodium sulfide (Na2S) are corrosive and can attack the

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Crystallization of polyphenylene sulfide

2019-4-9  Co,stallization of polyphenylene sulfide 1081 2.2 Optical microscopy (OM) The samples were prepared by melt pressing PPS powders between a glass microscope slide and a cover slip and maintained at this temperature to ensure unilbrm melting.

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Evolution of magmatic sulfide liquids: how and when base ...

High IPGE contents in the sulfide melt may be due to high degrees of partial melting of the mantle, interaction with several low-grade IPGE impulses

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Evolution of magmatic sulfide liquids: how and when base ...

2021-12-2  Experimental studies on binary, ternary and quaternary Cu–Fe–Ni–S systems are fundamental for the investigation of magmatic sulfide deposits, the main source of Ni, Co and platinum group elements (PGE). Previous experimental studies successfully formulated our general understanding of the evolution of magmatic sulfide systems but, yet, in many cases

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Assessing the Effects of Process Temperature on ...

2000-8-31  The dependence of process melting temperature of polyphenylene sulfide (PPS) on crystallization temperature and kinetics was demonstrated by a simple DSC experiment ... isoconversional method) The differential method is the isoconversional one described by Friedman [7, 8] and has the advantage of following the ...

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Sulfide - an overview ScienceDirect Topics

2011-5-2  The most representative resin of polyarylene sulfide resin is the polyphenylene sulfide (PPS), and its structure is written as. PPS is a semi-crystalline polymer which has good mechanical properties, excellent medium resistance. PPS is stable in inorganic acid, alkali, salt, organic acid, ester, ketone, alcohol, and so on.

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Fabrication of Metal Sulfide Ag2S via Zone Melting

2021-2-22  Fabrication of Metal Sulfide Ag 2 S via Zone Melting Method and Evaluation of Its Thermoelectric Property JIN Min1, BAI Xudong2, ZHANG Rulin1, ZHOU Lina1, LI Rongbin1 (1. School of Materials Science, Shanghai Dianji University, Shanghai 201306, China; 2

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Sulfide partial melting and galena–tetrahedrite ...

Galena–tetrahedrite intergrowth textures have been observed in some quenched run products of melting experiments conducted at 500 and 600°C in the systems ZnS–PbS–FeS–Cu 2 S–Sb 2 S 3 and ZnS–PbS–FeS–Cu 2 S–Sb 2 S 3 –As 2 S 3, using the evacuated silica-tube method.At 600°C the intergrowth formed an interface between sulfide melt and galena, whereas at 500°C

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Metallic sulphide and sodium carbonate interacting

2015-12-3  sulfide products in alkaline melt. This method dif-fers by using in melt a mixture of sodium hydroxide NaOH and potassium hydroxide KOH, in a weight ratio of NaOH:KOH from 0.65 to 0.75. Using a mix-ture of alkali reduces a melting temperature from 400-600oC to 200°C. Melting pyrite concentrates in a

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Assessing the Effects of Process Temperature on ...

2000-8-31  The dependence of process melting temperature of polyphenylene sulfide (PPS) on crystallization temperature and kinetics was demonstrated by a simple DSC experiment ... isoconversional method) The differential method is the isoconversional one described by Friedman [7, 8] and has the advantage of following the ...

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Method of Improving the Melt Properties of Poly(Arylene ...

Table 2 displays data for PPS particles after contacting with an aqueous solution (e.g., aqueous acetic acid solution). For sample #3, two fractions were studied at two different pH values, a fraction with particles having a size greater than 6 mesh (i.e., 3.35 mm, based on U.S. Sieve Series), and another fraction with particles having a size smaller than 16 mesh (i.e., 1.20 mm,

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Crystallization of polyphenylene sulfide

2019-4-9  Co,stallization of polyphenylene sulfide 1081 2.2 Optical microscopy (OM) The samples were prepared by melt pressing PPS powders between a glass microscope slide and a cover slip and maintained at this temperature to ensure unilbrm melting.

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Water- and acid-stable self-passivated dihafnium sulfide ...

To minimize the vaporization of S via the arc melting method, mixed powder was pelletized and sintered at 500°C for 5 days in vacuum-sealed quartz tubes (a few millitorr) and then the quartz tubes were water-quenched down to room temperature, so that sintered pellets could be the mixture of several Hf-S intermediate compounds, such as HfS 2 ...

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Decyl Sulfide C20H42S ChemSpider

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 9.76 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 367.68 (Adapted Stein Brown method) Melting Pt (deg C): 88.71 (Mean or Weighted MP) VP(mm Hg,25 deg

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Trimethylphosphine sulfide C3H9PS ChemSpider

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 1.21 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 97.03 (Adapted Stein Brown method) Melting Pt (deg C): -146.48 (Mean or Weighted MP) VP(mm Hg,25

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POLYARYLENE SULFIDE RESIN COMPOSITION,

Concrete examples of the production method of the aforementioned polyarylene sulfide resin composition include a method wherein the PAS (A), the polyamide (B) and the other components, which are mixed if necessary, are uniformly mixed by a tumbler or a Henschel mixer, the mixture is provided in a double-screw extruder to perform melt-kneading ...

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Sulfide partial melting and galena–tetrahedrite ...

Galena–tetrahedrite intergrowth textures have been observed in some quenched run products of melting experiments conducted at 500 and 600°C in the systems ZnS–PbS–FeS–Cu 2 S–Sb 2 S 3 and ZnS–PbS–FeS–Cu 2 S–Sb 2 S 3 –As 2 S 3, using the evacuated silica-tube method.At 600°C the intergrowth formed an interface between sulfide melt and galena, whereas at 500°C

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Fabrication of Metal Sulfide Ag2S via Zone Melting

2021-2-22  Fabrication of Metal Sulfide Ag 2 S via Zone Melting Method and Evaluation of Its Thermoelectric Property JIN Min1, BAI Xudong2, ZHANG Rulin1, ZHOU Lina1, LI Rongbin1 (1. School of Materials Science, Shanghai Dianji University, Shanghai 201306, China; 2

More

Metallic sulphide and sodium carbonate interacting

2015-12-3  sulfide products in alkaline melt. This method dif-fers by using in melt a mixture of sodium hydroxide NaOH and potassium hydroxide KOH, in a weight ratio of NaOH:KOH from 0.65 to 0.75. Using a mix-ture of alkali reduces a melting temperature from 400-600oC to 200°C. Melting pyrite concentrates in a

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Method for processing sulfide concentrates

A method of refining copper sulfide concentrates in the oxygen torch (factory copper cliff, Canada; Almalyk mining and metallurgical combine, Uzbekistan), including the mixing of concentrate and fluxes, deep drying the mixture and serve it with burners in the melting furnace, oxidizing smelting using technological oxygen (94-96% O 2). Melting ...

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Assessing the Effects of Process Temperature on ...

2000-8-31  The dependence of process melting temperature of polyphenylene sulfide (PPS) on crystallization temperature and kinetics was demonstrated by a simple DSC experiment ... isoconversional method) The differential method is the isoconversional one described by Friedman [7, 8] and has the advantage of following the ...

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Experimental Study of the Sulfur Content in Basaltic Melts ...

Abstract. The sulfur content in basaltic melts coexisting with either sulfide or sulfate melts was determined experimentally. The experimental conditions were in the range of 1300–1355°C and 10–16 GPa, conditions appropriate for the melting of the upper mantle above subduction zones.

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Water- and acid-stable self-passivated dihafnium sulfide ...

To minimize the vaporization of S via the arc melting method, mixed powder was pelletized and sintered at 500°C for 5 days in vacuum-sealed quartz tubes (a few millitorr) and then the quartz tubes were water-quenched down to room temperature, so that sintered pellets could be the mixture of several Hf-S intermediate compounds, such as HfS 2 ...

More

Decyl Sulfide C20H42S ChemSpider

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 9.76 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 367.68 (Adapted Stein Brown method) Melting Pt (deg C): 88.71 (Mean or Weighted MP) VP(mm Hg,25 deg

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Phenyl sulfide

(1) sulfur method (2) hydrogen sulfide method. Diphenyl disulfide method a certain amount of diphenyl disulfide and iodobenzene were dissolved in ethyl acetate and irradiated with a low-pressure mercury lamp. The yield of the product was 12%.

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Copper Systematics in Arc Magmas and Implications for ...

2012-4-6  The bulk partitioning of Cu during peridotite melting D per/melt therefore depends on how sulfide mode varies with melt extraction. The ubiquity of sulfide-bearing peridotite samples ( 18 ) indicates that the mantle is generally sulfide-saturated, and detailed studies of these peridotites suggest that typical fertile mantle contains ~200 parts ...

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