FIELD: nonferrous metallurgy.
SUBSTANCE: aluminum-containing coagulator is prepared from aluminum hydroxide-containing wastes, in particular from wastes formed during electrolytic etching of aluminum objects portionwise (2-4 times) introduced in sodium chloride solution into aqueous hydrochloric acid at weight ratio Al(OH)2/HCl between 1:1.2 and 1:0.8.
EFFECT: increased aluminum recovery degree.
3 tbl, 12 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF TREATING WASTE WATER | 2010 |
|
RU2479493C2 |
| METHOD OF SYNTHESIS OF ALUMINIUM OXYCHLOROSULFATE | 1999 |
|
RU2189355C2 |
| METHOD FOR PREPARATION OF HIGH-BASIC ALUMINIUM POLYHYDROXOCHLORIDE | 2007 |
|
RU2362738C1 |
| METHOD OF PRODUCING COAGULANT FOR WATER TREATMENT | 2009 |
|
RU2418746C1 |
| METHOD FOR PRODUCING ALUMINIUM CHLORIDE-CONTAINING COAGULANTS | 1994 |
|
RU2081829C1 |
| METHOD FOR PRODUCING ALUMINUM HYDROXIDE | 2014 |
|
RU2577832C1 |
| ALUMINUM PENTAHYDROXOCHLORIDE PRODUCTION PROCESS | 2005 |
|
RU2280615C1 |
| METHOD FOR INTEGRATED UTILIZATION OF OIL-FIELD ASSOCIATION WATER | 2000 |
|
RU2189362C2 |
| WASTE WATER DEPHOSPHATIZATION METHOD | 2003 |
|
RU2237619C1 |
| METHOD OF TREATING WASTE WATER | 2010 |
|
RU2479492C2 |
