MOLTEN SLAG PROCESSING METHOD, SILICA RAW MATERIAL, HIGH SPECIFIC SURFACE AREA SILICA, MESOPOROUS SILICA AND SILICA MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a molten slag processing method capable of manufacturing highly functional silica from an inexpensive raw material.;SOLUTION: An acid having a specific concentration is added to molten slag generated from an environmental energy facility, and then a dissolution treatment is performed thereto at a specific temperature, to thereby acquire an undissolved material. In this case, the undissolved material is processed under following conditions: the specified concentration of the acid is 3-12 N, the specific temperature is 20-100°C, a specific time is 10 minutes or longer, and such a mixing ratio is adopted that the 3-25 g molten slag is added to the 100 ml acid.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT