Joint combustion of off-gases and liquid residues containing chl

Details Joint combustion of off-gases and liquid residues containing chl Joint combustion of off-gases and liquid residues containing chl

1977-03-15

1978-02-14

Vertiz, O. R.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423240, 423210, 23277R, 23284, 431 5, 431181, 239422, 239424, C01B 708

Patent

active

040738710

ABSTRACT:
Off-gases and liquid residues containing chlorinated hydrocarbons, are subjected to joint combustion by forming a mist comprising a mixture of off-gases and atomized liquid residues, the latter being atomized by means of air and/or steam, and directing this mist into a preheated combustion chamber lined with refractory bricks. The mixture is introduced into the combustion chamber jointly with combustion air through a burner having four feed pipes arranged coaxially with respect to each other and terminating in conically tapered outlets, the three outer feed pipes defining three separate and coaxial annular zones around the innermost feed pipe. The liquid residue fed in and burnt is used in a quantity sufficient to maintain in the combustion chamber a predetermined maximum temperature which is not above the range 1200.degree. to 1800.degree. C., and which is compatible with the refractory properties of the brick lining of the combustion chamber. The resulting hot combustion gases are withdrawn from the combustion chamber, quenched with water, and hydrochloric acid is recovered from the resulting aqueous solution.

REFERENCES:
patent: 3192920 (1965-07-01), See et al.
patent: 3445192 (1969-05-01), Woodland
patent: 3748082 (1973-07-01), Ivernel
patent: 4014654 (1977-03-01), Howell
patent: 4018879 (1977-04-01), Winnen

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