Method for the separation of acid from acid-laden vapors

Patent · Tue Feb 11 00:00:00 EST 1992

OSTI ID:5408870

Hansen, L J

This patent describes a method for the removal of hydrochloric or sulfuric acid from vapor laden with the acid. It comprises: contacting the acid-laden vapors with packing materials in a zone containing the packing materials wherein the packing materials are formed of polyester resin containing from about 5 to 40 weight percent aluminum sulfate crystals.

• Assignee: Hansen Engineering, Inc., West Alexander, PA (United States)
• Patent Number(s): US 5087432; A
• Application Number: PPN: US 7-528747
• OSTI ID: 5408870
• Resource Relation: Patent File Date: 24 May 1990
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
HYDROCHLORIC ACID
AIR POLLUTION CONTROL
SEPARATION PROCESSES
VAPORS
SULFURIC ACID
ALUMINIUM SULFATES
RESINS
ALUMINIUM COMPOUNDS
CHLORINE COMPOUNDS
CONTROL
FLUIDS
GASES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLLUTION CONTROL
POLYMERS
SULFATES
SULFUR COMPOUNDS
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)
400105 - Separation Procedures
400201 - Chemical & Physicochemical Properties