C
SECTION C — CHEMISTRY AND METALLURGY
 C

Note(s)

Definitions for Section C:

  • Alkali metals: Li, Na, K, Rb, Cs, Fr
  • Alkaline earth metals: Ca, Sr, Ba, Ra
  • Lanthanides: elements with atomic numbers 57 to 71 inclusive
  • Rare earths: Sc, Y, Lanthanides
  • Actinides: elements with atomic numbers 89 to 103 inclusive
  • Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
  • Halogens: F, Cl, Br, I, At
  • Noble gases: He, Ne, Ar, Kr, Xe, Rn
  • Platinum group: Os, Ir, Pt, Ru, Rh, Pd
  • Noble metals: Ag, Au, Platinum group
  • Light metals: alkali metals, alkaline earth metals, Be, Al, Mg
  • Heavy metals: metals other than light metals
  • Iron group: Fe, Co, Ni
  • Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens
  • Metals: elements other than non-metals
  • Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

  
CHEMISTRY
 C10
PETROLEUM, GAS AND COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
 C10K
PURIFYING OR MODIFYING THE CHEMICAL COMPOSITIONS OF COMBUSTIBLE TECHNICAL GASES CONTAINING CARBON MONOXIDE
 C10K 1/00
Purifying combustible technical gases containing carbon monoxide (isolation of hydrogen from mixtures containing hydrogen and carbon monoxide C01B 3/50)
 C10K 1/02
·  Dust removal
 C10K 1/04
·  by cooling to condense non-gaseous materials
 C10K 1/06
·  ·  combined with spraying with water
 C10K 1/08
·  by washing with liquids; Reviving the used wash liqours (gas washers B01D)
 C10K 1/10
·  ·  with aqueous liquids
 C10K 1/12
·  ·  ·  alkaline-reacting
 C10K 1/14
·  ·  ·  ·  organic
 C10K 1/16
·  ·  with non-aqueous liquids
 C10K 1/18
·  ·  ·  hydrocarbon oils
 C10K 1/20
·  by treating with solids; Regenerating spent purifying masses
 C10K 1/22
·  ·  Apparatus, e.g. dry box purifiers
 C10K 1/24
·  ·  ·  Supporting means for the purifying material
 C10K 1/26
·  ·  Regeneration of the purifying material
 C10K 1/28
·  ·  Controlling the gas flow through the purifiers
 C10K 1/30
·  ·  with moving purifying masses
 C10K 1/32
·  with selectively absorptive solids, e.g. active carbon
 C10K 1/34
·  by catalytic conversion of impurities to more readily removable materials
 C10K 3/00
Modifying the chemical composition of combustible technical gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
 C10K 3/02
·  by catalytic treatment
 C10K 3/04
·  ·  reducing the carbon monoxide content
 C10K 3/06
·  by mixing with gases