METHOD OF PREVENTING CORROSION ON PRIMARY OIL-PROCESSING INSTALLATIONS

• Main Authors: KOLYVANOVA E.M, TOMIN V.P, ELSHIN A.I, KORCHEVIN N.A, BABIKOV A.F
• Format: Patent
• Language: English
• Published: 10.04.1998
• Edition: 6
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE

FIELD: corrosion protection. SUBSTANCE: to prevent corrosion of equipment, to distillate, aqueous solution of poly(hexamethyleneguanidine hydrate) with formula where n = 10-100 is added in quantity 5 to 20 g per 1 t of drawn off distillate. EFFECT: 95-98% protection provided. 2 cli