Separation of toxic metal ions, hydrophilic hydrocarbons, hydrophobic fuel and halogenated hydrocarbons and recovery of ethanol from a process stream
This invention provides a process to tremendously reduce the bulk volume of contaminants obtained from an effluent stream produced subsurface remediation. The chemicals used for the subsurface remediation are reclaimed for recycling to the remediation process. Additional reductions in contaminant bulk volume are achieved by the ultra-violet light destruction of halogenated hydrocarbons, and the complete oxidation of hydrophobic fuel hydrocarbons and hydrophilic hydrocarbons. The contaminated bulk volume will arise primarily from the disposal of the toxic metal ions. The entire process is modular, so if there are any technological breakthroughs in one or more of the component process modules, such modules can be readily replaced. 3 figs.
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Univ. of California, Oakland, CA (United States)
- Patent Number(s):
- A; US 5906748
- Application Number:
- PPN: US 8-495293
- OSTI ID:
- 6335444
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
540220* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (1990-)
ALCOHOLS
CHEMICAL EFFLUENTS
CHEMICAL REACTIONS
CHEMICAL WASTES
DECOMPOSITION
ETHANOL
HALOGEN COMPOUNDS
HYDROCARBONS
HYDROXY COMPOUNDS
MANAGEMENT
MATERIALS RECOVERY
NONRADIOACTIVE WASTES
ORGANIC COMPOUNDS
OXIDATION
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
PROCESSING
REAGENTS
REMEDIAL ACTION
WASTE MANAGEMENT
WASTE PROCESSING
WASTES