FIELD: steel treatment.
SUBSTANCE: invention relates to the use of N-(1,3-dithiolan-2-ylidene)-5-heptyl-1,3,4-thiadiazol-2-amine having the formula
,
as a corrosion inhibitor for low-carbon steel in a 15% solution of hydrochloric acid to protect against corrosion of gas and oil field equipment during acid treatments, metal pickling and descaling.
EFFECT: N-(1,3-dithiolan-2-ylidene)-5-heptyl-1,3,4-thiadiazol-2-amine exhibits a protective effect (80-93%) on “Ст3” steel (“ГОСТ 380-2005”) in the concentration range of 50-200 mg/l in a 15% aqueous HCl solution.
1 cl, 1 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| INHIBITOR OF HCl ACID CORROSION OF STEEL | 2023 |
|
RU2812065C1 |
| ACID CORROSION INHIBITOR OF STEEL | 2023 |
|
RU2812061C1 |
| STEEL CORROSION INHIBITOR IN HYDROCHLORIDE ENVIRONMENTS | 2023 |
|
RU2808983C1 |
| HYDROGEN SULFIDE CORROSION INHIBITOR OF STEEL | 2023 |
|
RU2809103C1 |
| INHIBITOR OF HCL ACID CORROSION OF STEEL | 2023 |
|
RU2806257C1 |
| STEEL CORROSION INHIBITOR | 2023 |
|
RU2810477C1 |
| ACID CORROSION INHIBITOR OF STEEL ST3 | 2023 |
|
RU2821183C1 |
| INHIBITOR OF HYDROCHLORIC ACID CORROSION OF STEEL | 2021 |
|
RU2776118C1 |
| APPLICATION OF 5-(2,4-DIMETHOXYPHENYL)-1,3,4-THIADIAZOLYL AMIDE OF 2,4-DIMETHOXYBENZOIC ACID AS INHIBITOR OF HYDROCHLORIC ACID CORROSION OF STEEL | 2021 |
|
RU2757778C1 |
| STEEL CORROSION INHIBITOR BASED ON SUBSTITUTED IMIDAZOLINE | 2023 |
|
RU2805531C1 |
