Wet-air oxidation of TS-1S wastewater
Tar sand wastewater has been treated using a bench-scale wet air oxidation process. The wastewater, designated TS-1S, was generated during in situ recovery of bitumen from Utah tar sand. After wet-air oxidation at 485/sup 0/F (252/sup 0/C) in the presence of air, the chemical oxygen demand (COD), total organic carbon (TOC), and total suspended solids (TSS) of the wastewater were reduced from 12,800, 3200, and 3860 mg/L to 285, 104, and 2 mg/L, respectively. Smaller reductions in COD, TOC, and TSS were achieved when the wastewater was wet oxidized at 422/sup 0/F (217/sup 0/C) and 466/sup 0/F (230/sup 0/C). The quantity of oxygen charged into the wet-air oxidation reactor was in excess of the amount required for oxidation and hence did not limit the rate of oxidation. The wet-air oxidation system recently developed at WRI was demonstrated to be effective in the destruction of organics at high temperatures and pressures. However, the equipment has limitations for kinetic studies of a low heating rate. A gas leak also occurred around the reactor packing seal. It is recommended that a complete thermal analysis of the reactor be made to identify modifications that will result in efficient heating of the reactor vessel. Improved temperature control will enhance the investigation of wastewater oxidation kinetics. 8 refs., 6 figs., 2 tabs.
- Research Organization:
- Western Research Inst., Laramie, WY (USA)
- DOE Contract Number:
- FC21-83FE60177
- OSTI ID:
- 6047836
- Report Number(s):
- DOE/FE/60177-2424; ON: DE88000141
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
040401 -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
040900* -- Oil Shales & Tar Sands-- Waste management
AIR
BENCH-SCALE EXPERIMENTS
BITUMENS
BITUMINOUS MATERIALS
CARBON
CARBONACEOUS MATERIALS
CHEMICAL OXYGEN DEMAND
CHEMICAL REACTIONS
CHEMICAL REACTORS
DATA
ELEMENTS
ENERGY SOURCES
ENHANCED RECOVERY
EXPERIMENTAL DATA
FEDERAL REGION VIII
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
GASES
GEOLOGIC DEPOSITS
HIGH TEMPERATURE
HYDROGEN COMPOUNDS
INFORMATION
LIQUID WASTES
MATERIALS
MEDIUM PRESSURE
NONMETALS
NORTH AMERICA
NUMERICAL DATA
OIL SAND DEPOSITS
OIL SANDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
RECOVERY
STEAM INJECTION
TAR
TEMPERATURE EFFECTS
TIME DEPENDENCE
USA
UTAH
WASTE WATER
WASTES
WATER
WATER TREATMENT