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Laboratory tests of phenol removal and ammonia and hydrogen sulfide stripping from SRC-I wastewater. Final technical report

Technical Report ·
OSTI ID:6821166
Chem-Pro Corporation conducted a laboratory testing program to evaluate the use of its proprietary dephenolization process on wastewater from the SRC-I direct coal-liquefaction process. A primary objective was to develop operating conditions for use of the process on water that had not been stripped of ammonia and hydrogen sulfide. Also evaluated were the steps following phenol removal: raffinate stripping (solvent removal), ammonia/hydrogen sulfide stripping, and solvent and phenol recovery distillation. With an overall throughput of 1000 gal/hr-ft/sup 2/ and a feed-to-solvent ratio of 8:1, the total phenolics concentration was successfully reduced during the extraction step below the 120-ppM specification. The presence of H/sub 2/S and NH/sub 3/ set an upper limit on the steam rate for solvent-stripping; exceeding this rate caused solids to precipitate. Ammonia can be stripped from dephenolized, solvent-stripped water to below 200 ppM and hydrogen sulfide to slightly above 10 ppM. 3 references, 1 figure, 8 tables.
Research Organization:
Chem-Pro Corp., Fairfield, NJ (USA)
DOE Contract Number:
AC05-78OR03054
OSTI ID:
6821166
Report Number(s):
DOE/OR/03054-87; ON: DE84012433
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
AMMONIA
AROMATICS
CHALCOGENIDES
CHROMATOGRAPHY
COAL LIQUEFACTION
COAL LIQUEFACTION PLANTS
CRESOLS
DATA
DEVELOPERS
EXPERIMENTAL DATA
GAS CHROMATOGRAPHY
HYDRIDES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
HYDROXY COMPOUNDS
INDUSTRIAL PLANTS
INFORMATION
LIQUEFACTION
LIQUID COLUMN CHROMATOGRAPHY
LIQUID WASTES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
POLYPHENOLS
REMOVAL
RESORCINOL
SEPARATION PROCESSES
SRC PROCESS
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
WASTE WATER
WASTES
WATER
WATER TREATMENT