Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D1/00—Evaporating
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D1/00—Evaporating
  • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B17/00—Sulfur; Compounds thereof
  • C01B17/69—Sulfur trioxide; Sulfuric acid
  • C01B17/88—Concentration of sulfuric acid

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Inorganic Chemistry (AREA)
• Heat Treatment Of Water, Waste Water Or Sewage (AREA)
• Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9108944

Family Applications (1)

Country Status (8)

Families Citing this family (2)

• 1973
  • 1973-01-01 AR AR251608A patent/AR205337A1/es active
  • 1973-12-14 SE SE7316927A patent/SE393538B/xx unknown
  • 1973-12-14 ES ES421464A patent/ES421464A1/es not_active Expired
  • 1973-12-15 IN IN2732/CAL/73A patent/IN140961B/en unknown
  • 1973-12-18 IT IT70744/73A patent/IT1009073B/it active
  • 1973-12-18 NO NO4831/73A patent/NO140225C/no unknown
  • 1973-12-18 BR BR9932/73A patent/BR7309932D0/pt unknown
  • 1973-12-19 JP JP14230473A patent/JPS5628561B2/ja not_active Expired

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