by the chemist Carl Friedrich Claus, the Claus process has become the industry standard. The multi-step Claus process recovers sulfur from the gaseous...

Carl Friedrich Claus (9 November 1827 – 29 August 1900) was a German chemist and inventor. He patented the Claus process. Claus was born in Kassel. He...

Claus (sometimes Clas) is both a given name and a German, Danish, and Dutch surname.[citation needed] Notable people with the name include: Claus von...

and Belgium, the character of Santa Claus competes with that of Sinterklaas, based on Saint Nicolas. Santa Claus is known as de Kerstman in Dutch ("the...

alkylation unit Claus process tail gas Heavy residue or petcoke-fired utility boiler off-gas Boiler flue gases from various processes SNOX flue gas desulfurization...

agent, as indicated by its ability to reduce sulfur dioxide in the Claus process. Hydrogen sulfide burns in oxygen with a blue flame to form sulfur dioxide...

(see Claus process). In the Frasch process, superheated water is pumped into the sulfur deposit; the sulfur melts and is extracted. The Frasch process is...

acid NO nitric oxide NO2 nitrogen dioxide SO2 sulfur dioxide S sulfur (Claus process, ultramarine production, more commonly reducing agent) Hexavalent chromium...

compounds back into the Claus unit. Again, as shown in the flow diagram, there are a number of processes available for treating the Claus unit tail gas and...

an amine treatment process. The removed H2S is most often subsequently converted to by-product elemental sulfur in a Claus process or it can be treated...