scholarly journals Separation of Metal Sulfides from Plating Wastewater Containing Cu, Zn and Ni by Selective Sulfuration with Hydrogen Sulfide

2006 ◽  
Vol 57 (12) ◽  
pp. 901-906 ◽  
Author(s):  
Hideyuki KONDO ◽  
Takafumi FUJITA ◽  
Dalibor Kuchar ◽  
Tadashi FUKUTA ◽  
Hitoki MATSUDA ◽  
...  
Keyword(s):  
Hydrogen Sulfide ◽  
Metal Sulfides ◽  
Plating Wastewater

scholarly journals Formation of Thiophene under Simulated Volcanic Hydrothermal Conditions on Earth—Implications for Early Life on Extraterrestrial Planets?

Life ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 149
Author(s):  
Thomas Geisberger ◽  
Jessica Sobotta ◽  
Wolfgang Eisenreich ◽  
Claudia Huber
Keyword(s):  
Fatty Acids ◽  
Hydrogen Sulfide ◽  
Early Life ◽  
Organic Molecules ◽  
Metal Sulfides ◽  
Early Earth ◽  
Hydrothermal Conditions ◽  
Evolution Of Metabolism ◽  
Thiophene Derivatives ◽  
The Origin Of Life

Thiophene was detected on Mars during the Curiosity mission in 2018. The compound was even suggested as a biomarker due to its possible origin from diagenesis or pyrolysis of biological material. In the laboratory, thiophene can be synthesized at 400 °C by reacting acetylene and hydrogen sulfide on alumina. We here show that thiophene and thiophene derivatives are also formed abiotically from acetylene and transition metal sulfides such as NiS, CoS and FeS under simulated volcanic, hydrothermal conditions on Early Earth. Exactly the same conditions were reported earlier to have yielded a plethora of organic molecules including fatty acids and other components of extant metabolism. It is therefore tempting to suggest that thiophenes from abiotic formation could indicate sites and conditions well-suited for the evolution of metabolism and potentially for the origin-of-life on extraterrestrial planets.

Reaction Mechanism of Atomic Layer Deposition of Aluminum Sulfide using Trimethylaluminum and Hydrogen Sulfide

2021 ◽  
Author(s):  
Yanghong Yu ◽  
Zhongchao Zhou ◽  
Lina Xu ◽  
Yihong Ding ◽  
Guoyong Fang
Keyword(s):  
Hydrogen Sulfide ◽  
Reaction Mechanism ◽  
Atomic Layer Deposition ◽  
Atomic Layer ◽  
Metal Sulfides ◽  
Layer Deposition

Atomic layer deposition (ALD) is a nanopreparation technique for materials and is widely used in the fields of microelectronics, energy and catalysis. ALD methods for metal sulfides, such as Al2S3...

Potential-pH Diagrams for Iron and Nickel in High Salinity Geothermal Brine Containing Low Concentrations of Hydrogen Sulfide

CORROSION ◽  
1979 ◽  
Vol 35 (10) ◽  
pp. 471-475 ◽  
Author(s):  
DIGBY D. MACDONALD ◽  
BARRY C. SYRETT
Keyword(s):  
Hydrogen Sulfide ◽  
High Temperature ◽  
High Salinity ◽  
Metal Sulfides ◽  
Geothermal Systems ◽  
Chloride Complexes ◽  
Geothermal Brine ◽  
Low Concentrations ◽  
Sulfide Content ◽  
Dissolved Sulfide

Abstract Potential-pH diagrams are reported for iron and nickel in sulfide containing high salinity geothermal brine at 25 and 250 C. Metal sulfides, as well as dissolved chloride complexes, were considered in deriving the diagrams, and the potential-pH relationships for those equilibria involving dissolved H2S or its anions are plotted for a constant total dissolved sulfide content of 10 ppm. The diagrams are used to analyze the general features of the thermodynamic behavior of iron and nickel in geothermal systems, and to identify processes that might be expected to occur in high temperature sulfide containing brines.

Recovery of hydrogen from hydrogen sulfide with metals or metal sulfides

1982 ◽  
Vol 7 (6) ◽  
pp. 477-482 ◽  
Author(s):  
H KIUCHI ◽  
T NAKAMURA ◽  
K FUNAKI ◽  
T TANAKA
Keyword(s):  
Hydrogen Sulfide ◽  
Metal Sulfides
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