Pickling pretreatment method of house refuse burning fly ash
The invention provides a pickling pretreatment method of house refuse burning fly ash. And the invention is characterized in that the method comprises the following processes: drying the house refuse burning fly ash sample at 105 DEG C for 24 hours, adding the sample into a beaker at normal temperat...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention provides a pickling pretreatment method of house refuse burning fly ash. And the invention is characterized in that the method comprises the following processes: drying the house refuse burning fly ash sample at 105 DEG C for 24 hours, adding the sample into a beaker at normal temperature, adding an acid, wherein the proportion between the fly ash and the acid is 1:8-1:12, the fly ash mass unit is gram, the acid volume unit is milliliter, the mass percent concentration of the acid is 0.5-10%, the acid is one from nitric acid, sulfuric acid, acetic acid, citric acid, phosphoric acid and industrial waste acid, stirring for 20-60 minutes, allowing to stand for 10-20 minutes for deposition, and separating the upper acid solution and the fly ash. |
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