Process for inhibiting the corrosions and deposition of boiler s

Details Process for inhibiting the corrosions and deposition of boiler s Process for inhibiting the corrosions and deposition of boiler s

1976-02-03

1977-08-16

Padgett, Benjamin R.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21 25A, 210 58, 252 82, 252180, 252389A, C02B 506, C23F 1116

Patent

active

040423247

ABSTRACT:
Corrosion and deposition of boiler scale in water-conveying systems are inhibited. To this end the water is admixed with at least one carboxy-alkane compound of phosphorus of the general formula: ##STR1## in which each of the substituents R.sup.1, R.sup.2, R.sup.3, and R.sup.4 stands for hydrogen or an alkyl group having from 1 to 4 carbon atoms, R.sup.5 stands for hydrogen, an OH-group or an alkyl group having from 1 to 3 carbon atoms, and n stands for 0 or 1, or with at least one water-soluble salt thereof.

REFERENCES:
patent: 3630790 (1971-12-01), Schmidt et al.

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