Cleaning of exhaust gases in the mold core industry
Journal Article
·
· Chem. Pet. Eng. (Engl. Transl.); (United States)
OSTI ID:6468083
Methods for detoxifying the exhaust gases in the core-making sections of the casting industry were studied. The gases generated when making cores from sand-resin mixtures based on oil-free binders and synthetic resins were evaluated. Tests were conducted on activated carbon AR-3, catalysts containing precious and nonprecious metals, and on solutions of sulfuric acid, hydrogen peroxide, and sodium hypochlorate. The absorption, adsorption, and catalytic methods of cleaning the gas discharges from toxic substances were comparatively assessed. Results show that sorption methods were unsuitable while catalytic methods achieved near-total detoxification.
- OSTI ID:
- 6468083
- Journal Information:
- Chem. Pet. Eng. (Engl. Transl.); (United States), Vol. 23:9-10; Other Information: Translated from Khimicheskoe Neftyanoe Mashinostroenie; 23: No. 10, 25-26(Oct 1987)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
EXHAUST GASES
DETOXIFICATION
FOUNDRIES
AIR POLLUTION ABATEMENT
TOXIC MATERIALS
CATALYSIS
ABSORPTION
ACTIVATED CARBON
ADSORBENTS
ADSORPTION
BINDERS
CASTING MOLDS
CATALYTIC CONVERTERS
CLEANING
CYANIDES
FORMALDEHYDE
HYDROCARBONS
MATERIALS TESTING
METHANOL
PHENOL
PURIFICATION
RESINS
UREA
ALCOHOLS
ALDEHYDES
AMIDES
AROMATICS
CARBON
CARBONIC ACID DERIVATIVES
ELEMENTS
EQUIPMENT
FLUIDS
GASEOUS WASTES
GASES
HYDROXY COMPOUNDS
INDUSTRIAL PLANTS
MATERIALS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHENOLS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
POLYMERS
SORPTION
TESTING
WASTES
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
EXHAUST GASES
DETOXIFICATION
FOUNDRIES
AIR POLLUTION ABATEMENT
TOXIC MATERIALS
CATALYSIS
ABSORPTION
ACTIVATED CARBON
ADSORBENTS
ADSORPTION
BINDERS
CASTING MOLDS
CATALYTIC CONVERTERS
CLEANING
CYANIDES
FORMALDEHYDE
HYDROCARBONS
MATERIALS TESTING
METHANOL
PHENOL
PURIFICATION
RESINS
UREA
ALCOHOLS
ALDEHYDES
AMIDES
AROMATICS
CARBON
CARBONIC ACID DERIVATIVES
ELEMENTS
EQUIPMENT
FLUIDS
GASEOUS WASTES
GASES
HYDROXY COMPOUNDS
INDUSTRIAL PLANTS
MATERIALS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHENOLS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
POLYMERS
SORPTION
TESTING
WASTES
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)