Decomposition of ethylene glycol by the combined use of ozone oxidation and electrolytic methods
Journal Article
·
· Ozone: Science and Engineering (The Journal of the International Ozone Association); (United States)
- National Research Institute for Pollution and Resources, Ibaraki (Japan)
Decomposition of ethylene glycol by the combined use of an ozone oxidation and an electrolytic method as studied. The overall order of reaction was 0.8 with respect to the concentration of ethylene glycol, and 0.7 to that of ozone in the feed gas. Glycolaldehyde, glyoxal, glyoxylic acid, and formaldehyde were detected as reaction products, and the removal of total organic carbon (TOC), which was not attained by either of the two methods alone, was attained at the same time. The reaction pathway was estimated, and it was considered that the removal of TOC via formic acid was more important than that via oxalic acid. The synergistic effect of the combined use was considered to be caused by reactive radicals formed during the process of a reaction. The removal of TOC was greatly affected by the quality and quantity of salt added.
- OSTI ID:
- 5516945
- Journal Information:
- Ozone: Science and Engineering (The Journal of the International Ozone Association); (United States), Journal Name: Ozone: Science and Engineering (The Journal of the International Ozone Association); (United States) Vol. 12:2; ISSN OZSED; ISSN 0191-9512
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320603 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALCOHOLS
CARBON
CHEMICAL REACTIONS
ELECTROLYSIS
ELEMENTS
GLYCOLS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
LIQUID WASTES
LYSIS
NONMETALS
ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
OZONE
OZONIZATION
WASTE WATER
WASTES
WATER
320305 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320603 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALCOHOLS
CARBON
CHEMICAL REACTIONS
ELECTROLYSIS
ELEMENTS
GLYCOLS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
LIQUID WASTES
LYSIS
NONMETALS
ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
OZONE
OZONIZATION
WASTE WATER
WASTES
WATER