| 학회 |
한국공업화학회 |
| 학술대회 |
2010년 가을 (10/27 ~ 10/29, 대전컨벤션센터) |
| 권호 |
14권 2호 |
| 발표분야 |
환경.에너지 |
| 제목 |
Crystallization and Precipitation of Ammonium Sulfate via Gypsum- Process |
| 초록 |
A method for the manufacture of ammonium sulfate is known which consist of the reaction of solid calcium sulfate with an aqueous solution of ammonium carbonate to give ammonium sulfate as product. The ammonium sulfate recovered as an aqueous solution, from which the ammonium sulfate can be obtained in the form of crystal by evaporation. This study deals with the design and operation of cooling and evaporation crystallizers and precipitators for reaction crystallization. The median crystal size of and the crystal size distribution of ammonium sulfate mainly depend on the crystallization kinetics and that these kinetics are controlled by supersaturation. Therefore, the main objective in crystallization and precipitation is to choose and to maintain the optimal supersaturation with respect to product quality |
| 저자 |
전치완, 채수천, 방준환, 이승우, 장영남
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| 소속 |
한국지질자원(연) |
| 키워드 |
Ammonium sulfate; gypsum; crystallization; evaporation
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| E-Mail |
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