FIELD: chemical industry; environmental protection technologies and methods of utilization of the waste mercury-containing catalyzer.
SUBSTANCE: the invention is pertaining to the field of environmental protection technologies, in particular, to the processes of utilization of the waste mercury-containing catalyzer for the process of hydrochlorination of the ethine. The invention presents the method of utilization of the mercury-containing catalyzer by its heating in the medium of the reducing gas, in the capacity of which use the residual gas of the high-temperature homogeneous pyrolysis of hydrocarbons. The heating is conducted at the temperature of 400-700°C within 4-7 hours. The technical result of the invention is the complete extraction (99.99 %) of mercury from the waste catalyzer, that transforms the mercury into the non-toxic substance.
EFFECT: the invention ensures the complete extraction of mercury from the waste catalyzer, that transforms the mercury into the non-toxic substance.
5 tbl, 6 ex, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROCEDURE FOR EXTRACTION OF MERCURY FROM SPENT CATALYST AT HYDRO-CHLORINATION OF ACETYLENE | 2009 |
|
RU2402623C1 |
| METHOD OF RECOVERING MERCURY FROM EXHAUSTED ACETYLENE HYDROCHLORINATION CATALYST | 2006 |
|
RU2320737C1 |
| INTEGRATED METHOD OF SYNTHESIS OF VINYL CHLORIDE | 2001 |
|
RU2184721C1 |
| CATALYST FOR SYNTHESIS OF VINYLCHLORIDE AND METHOD OF PREPARING THE SAME | 1989 |
|
RU1649711C |
| CLOSED METHOD AND SYSTEM FOR PRODUCING POLYVINYL CHLORIDE | 2013 |
|
RU2634898C2 |
| PROCESS FOR PRODUCING VINYL CHLORIDE | 0 |
|
SU1109373A1 |
| METHOD OF DETERMINING CATALYST STABILITY | 0 |
|
SU1030008A1 |
| ACETYLENE HYDROCHLORINATION CATALYST | 0 |
|
SU784905A1 |
| 0 |
|
SU321012A1 | |
| CATALYST FOR HYDROCHLORINATION OF ACETYLENE | 0 |
|
SU973152A1 |
