FIELD: gas treatment. SUBSTANCE: 10 to 50% formaldehyde solution containing water-soluble organic base (primary amine in amounts ensuring pH above 7 in solution) is introduced into stream sulfur-containing gas within pipeline, after which partially cleaned gas is brought into contact with water- soluble primary amine in absorption apparatus at elevated temperature. EFFECT: enhanced process efficiency. 3 cl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF REMOVING HYDROGEN SULFIDE FROM GASES | 1996 |
|
RU2108850C1 |
| METHOD OF REMOVING HYDROGEN SULFIDE AND MERCAPTANS FROM LIQUID HYDROCARBON FRACTIONS | 1996 |
|
RU2107085C1 |
| METHOD OF REMOVING SULFUR DIOXIDE FROM GASES | 1996 |
|
RU2104758C1 |
| HYDROGEN SULPHIDE AND/OR LOW-MOLECULAR MERCAPTAN REMOVER AND METHOD OF USING IT | 2005 |
|
RU2349627C2 |
| METHOD OF TRANSPORTATION OF OIL | 1995 |
|
RU2099631C1 |
| HYDROGEN SULPHIDE NEUTRALISER AND METHOD OF USING SAID NEUTRALISER | 2008 |
|
RU2370508C1 |
| METHOD OF REMOVING HYDROGEN SULFIDE FROM CRUDE OIL AND GAS CONDENSATE | 1997 |
|
RU2118649C1 |
| METHOD OF REMOVING HYDROGEN SULFIDE AND MERCAPTANS FROM CRUDE OIL, GAS CONDENSATE, AND THEIR FRACTIONS | 1996 |
|
RU2121492C1 |
| A METHOD OF PREPARATION OF HYDROGEN SULFIDE- AND MERCAPTAN-BEARING PETROLEUM FOR TRANSPORTATION | 2002 |
|
RU2218974C1 |
| HYDROGEN SULFIDE-CONTAINING OIL TREATMENT PROCESS | 2001 |
|
RU2196804C1 |
