Chemistry: analytical and immunological testing – Miscellaneous
Patent
1994-09-15
1996-12-24
Housel, James C.
Chemistry: analytical and immunological testing
Miscellaneous
436139, 436145, 436174, 436 64, 588261, A62D 300
Patent
active
055873243
ABSTRACT:
Methods are provided for the remediation of sites containing coal tar compositions that contain polynuclear aromatic compounds. The remediation entails altering the coal tar compositions to substantially decrease the bioavailability of the polynuclear aromatic compounds. The process includes the contacting and blending of the coal tar with petroleum coke for a time sufficient to produce a uniform admixture. The weight ratio of the petroleum coke to coal tar is generally from about 1:1 to about 10:1. Processes are also disclosed for the determination of the proper blending ratio to achieve a necessary level of remediation.
REFERENCES:
patent: 3836354 (1974-09-01), Wienert
patent: 3943213 (1976-03-01), Whittaker et al.
patent: 4334917 (1982-06-01), Kibby
patent: 5013503 (1991-05-01), Jonville et al.
Goldstein Lawrence
Mackerer Carl R.
Roy Timothy A.
Electric Power Research Institute Inc.
Freed Rachel Heather
Housel James C.
Mobil Oil Corporation
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