| 학회 |
한국화학공학회 |
| 학술대회 |
2007년 봄 (04/19 ~ 04/20, 울산 롯데호텔) |
| 권호 |
13권 1호, p.188 |
| 발표분야 |
미립자공학 |
| 제목 |
Effects of Aragonite & Calcite Precipitated Calcium Carbonate on the Synthesis of Calcium Lactate |
| 초록 |
Calcium lactate was prepared by neutralization of lactic acid and precipitated calcium carbonate (PCC). And, effects of PCC morphology(calcite and aragonite) on calcium lactate by the solution process was investigated experimentally. Despite the slow forming rate at the initial stage, the final yield of calcium lactate appeared higher when calcite was used. Therefore, the maximum yield of calcium lactate using aragonite was 85.0% and that using calcite was 88.7%, respectively. For both cases, the optimum temperature for the preparation appeared at around 60°C. Furthermore, increase of lactic acid concentration over 1mol/l increased slurry viscosity and deteriorated mass transfer, which resulted in low yield of calcium lactate for both cases. SEM analyses showed that the prepared calcium lactate appeared as anhydrous crystal form, irrespective of PCC morphologies, reaction temperatures and concentrations of lactic acid. |
| 저자 |
박주원1, 김준근1, 편정환1, 김정환2, 박진구2, 안지환3, 한 춘1
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| 소속 |
1광운대, 2한국석회석신소재(연), 3한국지질자원(연) |
| 키워드 |
Calcium lactate; Aragonite; Calcite; Precipitated Calcium Carbonate
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| E-Mail |
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| VOD |
VOD 보기 |
| 원문파일 |
초록 보기 |
