The Raschig process for the production of hydroxylamine
The Olin Raschig process for the production of hydrazine
The Raschig–Hooker process for the production of phenol
Topics referred to by the same term
This disambiguation page lists articles associated with the title Raschig process. If an internal link led you here, you may wish to change the link to point directly to the intended article.
Raschigprocess is a chemical process for the production of hydrazine. The main steps in this process, patented by German chemist Friedrich Raschig in...
The Raschigprocess could mean: The Raschigprocess for the production of hydroxylamine The Olin Raschigprocess for the production of hydrazine The Raschig–Hooker...
The Raschigprocess for the production of hydroxylamine is one of three chemical processes developed by German chemist Friedrich Raschig. The main step...
+ 3 H2 + 2 H2SO4 → 2 [NH3OH]+[HSO4]− Another route to NH2OH is the Raschigprocess: aqueous ammonium nitrite is reduced by HSO−3 and SO2 at 0 °C to yield...
A Raschig ring is a piece of tube, approximately equal in length and diameter, used in large numbers as a packed bed within columns for distillations...
peroxide process to hydrazine relative to the traditional Olin Raschigprocess is that it does not coproduce salt. In this respect, the peroxide process is...
Me(Et)C=O + N2H4 Unlike most other processes, this approach does not produce a salt as a by-product. The Olin Raschigprocess, first announced in 1907, produces...
Friedrich August Raschig (also called Fritz Raschig) (8 June 1863 – 4 February 1928) was a German chemist and politician. He was born in Brandenburg an...
ones. UDMH is produced industrially by two routes. Based on the Olin Raschigprocess, one method involves reaction of monochloramine with dimethylamine...
NaOCl → NH2Cl + NaOH This reaction is also the first step of the Olin Raschigprocess for hydrazine synthesis. The reaction has to be carried out in a slightly...
Hydrazine, in the Olin Raschigprocess and the peroxide process Hydrogen cyanide, in the BMA process and the Andrussow process Hydroxylamine and ammonium...
cogenerating salt. Hydrazine is traditionally produced by the Olin Raschigprocess from sodium hypochlorite (the active ingredient in many bleaches) and...
metathesis, thermal depolymerization Oxo process – produces aldehydes from alkenes Polymerization Raschig hydroxylamine process – produces hydroxylamine, a precursor...
process (phenol) Friedel Crafts alkylation Baeyer–Villiger oxidation Raschig–Hooker process (also produces phenol) "Latvian". Archived from the original on...
column or a straight column packed with glass beads or metal pieces such as Raschig rings. Fractionating columns help to separate the mixture by allowing the...
Award, an award given by the Electrochemical Society Olin Raschigprocess, an industrial process for manufacturing hydrazine All pages with titles containing...
in packed beds can either be random dumped packing (1-3" wide) such as Raschig rings or structured sheet metal. Liquids tend to wet the surface of the...
Liquid–liquid extraction The Raschig ring is a piece of tube, invented circa 1914, that is used in large numbers in a packing column. Raschig rings are usually made...
separator is for the disengagement and venting of excess air and includes a Raschig ring section to prevent entrainment of any disulfides in the vented air...
processes subject to process surges. This packing material can either be random or dumped packing (25–76 millimetres (1–3 in) wide) such as Raschig rings...
distributing the oil into a thin layer over special surfaces (spiral rings, Raschig rings etc) in vacuum chambers. Under vacuum, an equilibrium between the...
Chlorobenzene can be hydrolyzed to phenol using base (Dow process) or steam (Raschig–Hooker process): C6H5Cl + NaOH → C6H5OH + NaCl C6H5Cl + H2O → C6H5OH...
material can either be random dumped packing (1–3 in (25–76 mm) wide) such as Raschig rings or structured sheet metal. Typical manufacturers are Koch, Sulzer...
shapes used are spoked wheels, gear wheels, and rings with holes (see: Raschig rings). Additionally, these shapes have a low pressure drop which is advantageous...
Cost Greater sensitivity to maldistribution[citation needed] Packed bed Raschig ring Dixon rings Random column packing Panson Structured Packing Products...
Hydroxylammonium sulfate is prepared industrially via the Raschig hydroxylamine process, which involves the reduction of nitrite with bisulfite. This...
porous pumice stone and pieces of coke. In the early 20th century Friedrich Raschig realized the importance of a high void fraction and having the internal...
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