Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when ...

Scientists have developed an innovative "sulfur-for-oxygen exchange" method to synthesize a porous Fe₂(MoO₄)₃/CoMoO₄ ...

The aim of the book “Oxygen atom transfer reactions” is to outline some recent developments in the studies of oxygen atom transfer mechanisms in catalytic oxidation reactions based on several ...

Despite natural evidence indicating sulfur's importance and efficiency as a catalyst for critical redox reactions, including hydrogenation (addition of hydrogen to molecule) and dehydrogenation (its ...

The heterogeneous reaction of thiols with lead oxide to form insoluble lead thiolates is the basis for a new process that separates thiols from a hydrocarbon stream. The process uses inexpensive ...

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

Sulfur is a natural present element in nearly all hydrocarbon feed streams and responsible for numerous unwanted effects such as detrimental product quality, catalyst poisoning and pollution of the ...