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 and...

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...

by Friedrich Raschig, a German chemist and politician also known for the Raschig process, the Olin Raschig process and the Raschig ring. He first begun...

equations has been published. Fractionating column Random close pack Raschig ring Ergun equation J. Kozeny, "Ueber kapillare Leitung des Wassers im Boden...

in particular the Raschig ring, small metal or ceramic rings which are used in commercial fractional distillation columns. www.raschig.de Company Website...

He designed the Raschig ring, which was more effective than previous forms of random packing and became very popular. Raschig rings are usually built...

distributing the oil into a thin layer over special surfaces (spiral rings, Raschig rings etc) in vacuum chambers. Under vacuum, an equilibrium between the...

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...

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. The...

material. The packed bed can be randomly filled with small objects like Raschig rings or else it can be a specifically designed structured packing. Packed...

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 packing...

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, and...

catalyst shapes used are spoked wheels, gear wheels, and rings with holes (see: Raschig rings). Additionally, these shapes have a low pressure drop which...

ceramic Raschig rings and Berl saddles. More common packing materials are metal and plastic Pall rings, metal and plastic Zbigniew Białecki rings, and ceramic...

Greater sensitivity to maldistribution[citation needed] Packed bed Raschig ring Dixon rings Random column packing Panson Structured Packing Products, Inc....

Ceramic Raschig rings......

be either structured sheet metal or randomly dumped packing such as Raschig rings. The absolute pressure of 10 to 40 mmHg in the vacuum column is most...

random or dumped packing (25–76 millimetres (1–3 in) wide) such as Raschig rings or structured sheet metal. Liquids tend to wet the surface of the packing...

This packing material can either be random dumped packing such as Raschig rings or structured sheet metal. Liquids tend to wet the surface of the packing...

plate columns or packed columns, with reflux filling components of Raschig rings, crushed glass, nuts, glass pellets or steel wool. The city of Kitee...

NO + 3 H2 + 2 H2SO4 → 2 [NH3OH]+[HSO4]− Another route to NH2OH is the Raschig process: aqueous ammonium nitrite is reduced by HSO−3 and SO2 at 0 °C to...

Chlorobenzene can be hydrolyzed to phenol using base (Dow process) or steam (Raschig–Hooker process): C6H5Cl + NaOH → C6H5OH + NaCl C6H5Cl + H2O → C6H5OH +...

several other rapidly growing chemical companies, including Friedrich Raschig GmbH, the Benckiser company (founded by Johann Benckiser), Giulini Brothers...

disulfonyl hydroxylamine. A variant on this process with bisulfite is Raschig's hydroxyl­amine production technique. O-Nitroso compounds are similar to...

processes, this approach does not produce a salt as a by-product. The Olin Raschig process, first announced in 1907, produces hydrazine from sodium hypochlorite...

reaction Ramberg–Bäcklund reaction Raney nickel Rap–Stoermer condensation Raschig phenol process Rauhut–Currier reaction Racemization Reductive amination...

Ammonia is also used to make the following compounds: Hydrazine, in the Olin Raschig process and the peroxide process Hydrogen cyanide, in the BMA process and...

object shapes has been used, including beads, rings, or helices (such as Fenske rings Raschig or Lessing rings) of glass, porcelain, aluminum, copper, nickel...