FIELD: chemistry.
SUBSTANCE: invention can be used in chemical industry. Silica gel is obtained by acidifying an alkali metal silicate solution by adding natural sulphur water. The sodium sulphide Na2S obtained during the reaction can be used to deposit heavy metal ions in electroplating industry.
EFFECT: invention reduces power consumption.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING SILICA GEL | 2008 |
|
RU2381991C1 |
| METHOD OF PRODUCING SODIUM SULPHIDE BY ABSORPTION OF HYDROGEN SULPHIDE-CONTAINING GAS WITH SODIUM HYDROXIDE SOLUTION | 2023 |
|
RU2813888C1 |
| METHOD OF PREPARING COMPOSITE HUMIN-CONTAINING SORBENT WITH SILICA MATRIX | 1997 |
|
RU2131296C1 |
| METHOD OF NEUTRALIZATION OF THE SULFIDE-CONTAINING ALKALINE SOLUTIONS | 2006 |
|
RU2319671C1 |
| SUSPENSION CONTAINING HYDROXONIUM-STABILISED NANOPARTICLES OF COLLOIDAL SOLUTION OF SILICIC ACID, COMPOSITION PREPARED FROM SAID DILUTED SUSPENSION, POWDER PREPARED FROM SAID DEHYDRATED SUSPENSION, COMPOSITIONS PREPARED FROM SAID POWDER, PREPARATION AND USE | 2009 |
|
RU2488557C2 |
| METHOD OF REMOVING HYDROGEN SULFIDE FROM GAS CONDENSATE, PETROLEUM, AND PETROLEUM PRODUCTS | 1997 |
|
RU2119526C1 |
| OIL AND GAS CONDENSATE TREATMENT METHOD | 2013 |
|
RU2541523C2 |
| METHOD OF TREATING LIQUID MEDIA | 1996 |
|
RU2125599C1 |
| PREPARATION OF WHITE LIQUOR PRODUCTION OF SULPHATE PULP | 2018 |
|
RU2696636C1 |
| CARBON-CONTAINING SORBENT MADE OF VEGETABLE RAW MATERIAL AND METHOD OF PURIFYING WATER FROM SULPHIDES BASED THEREON | 2015 |
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RU2597381C1 |
