Gelled formaldehyde transport method

Details Gelled formaldehyde transport method Gelled formaldehyde transport method

1992-08-14

1994-06-14

Ford, John K.

Heat exchange

Regenerator

Checker brick structure

165 1, 165 41, 165132, 1263435A, 137340, 62268, F28D 100, F28D 500

Patent

active

053201612

ABSTRACT:
Formaldehyde and similar biocides are transported in a gelled, semi-solid or solid state by providing formaldehyde in a concentration in methanol of about fifty-five percent (55%) to eighty-five percent (85%) by weight, loading the solution in rail cars or truck transport tanks in a liquid state and cooling the solution to a gelled, semi-solid or solid state for transport to a destination followed by reheating the solution and/or mixing with a solvent for discharge to an application such as the produced water flowstreams from Alaskan North Slope oil fields, for example.

REFERENCES:
patent: 4230138 (1980-10-01), Tanaka
patent: 4415018 (1983-11-01), Rosenberger
patent: 4441887 (1984-04-01), Funk
patent: 4470402 (1984-09-01), Tanaka
patent: 4603733 (1986-08-01), Loevinger
"Formaldehyde" by J. F. Walker, 3rd Edition, Reinhold Publishing Corp., New York, 1964, pp. 98-105.
Kirk-Othmer "Encyclopedia of Chemical Technology", John Wiley & Sons, Inc., New York, vol. 10, pp. 77-81, vol. 18, pp. 78-79 (no date), vol. 23, pp. 376-379 & 388-392 (1983).

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