표제지
목차
I. 서론 8
II. 연구사 11
III. 재료 및 방법 14
1. 공시재료 14
2. 고온소성과정 14
3. 화학적 처리방법 14
4. 실험방법 14
IV. 결과 및 고찰 16
1. 굴 패각의 화학적 특성 16
2. 굴 패각분말을 고온소성과정에 따른 화학적 변화 16
(1) pH 및 EC 16
(2) 탄소함량 17
(3) 수용성 칼슘함량 18
(4) 치환성 칼슘함량 19
3. 굴 패각분말에 고온소성과정 및 화학적 반응용액 첨가에 따른 가용성 칼슘함량 변화 20
4. 굴 패각분말에 고온소성과정 및 화학적 반응용액 첨가에 따른 가용성 규산함량 변화 23
5. 굴 패각분말에 고온소성과정에서 화학적 반응용액을 첨가에 따른 가용성 인산함량 변화 25
6/5. 고온소성과정을 거친 굴 패각분말과 원 시료와의 암모니아질소 흡착계수 비교분석 28
7/6. 굴 패각분말에 화학적 반응용액에 따른 칼슘, 규산 및 인산추출량의 상관관계 29
V. 적요 32
VI. 참고 문헌 34
Abstract 36
감사의 글 38
Table 1. Chemical composition of oyster shell powder. 16
Table 2. Comparative analysis in pH and EC with oyster shell powder according to high temperature calcination treatment. 17
Table 3. comparative analysis in ammonium absorption coefficient between originally and high temperature calcination processing by oyster shell powder 28
Table 4. Relationship between chemical reaction solution types and content of soluble of calcium, silicate, phosphoric acid by originally oyster shell powder 29
Table 5. Relationship between chemical reaction solution types and content of soluble of calcium, silicate, phosphoric acid by high temperature calcination processing oyster shell 31
Fig. 1. Comparative analysis in the total carbon content of oyster shell powder according to process of high temperature calcination treatment. 17
Fig. 2. The content of water solution calcium in the test distill water according to process of high temperature calcination by oyster shell powder. 18
Fig. 3. The content of exchange calcium in the test 1N aqueous ammonium acetate solution according to process of high temperature calcination by oyster shell powder 19
Fig. 4. The content of soluble calcium in the test 0.5N aqueous sulfuric acid and hydrochloric acid solution according to process of high temperature calcination processing by oyster shell powder. 21
Fig. 5. The content of soluble calcium in the test 0.5N aqueous nitric acid and acetic acid solution according to process of high temperature calcination by oyster shell powder. 22
Fig. 6. The content of soluble silicate in the test 0.5N aqueous sulfuric acid and hydrochloric acid solution according to process of high temperature calcination by oyster shell powder 23
Fig. 7. The content of silicate the test 0.5N aqueous nitric acid and acetic acid solution according to process of high temperature calcination by oyster shell powder 24
Fig. 8. The content of soluble phosphoric acid in the test 0.5N aqueous sulfuric acid and hydrochloric acid solution according to process of high temperature by oyster shell powder 26
Fig. 9. The content of phosphoric acid the test 0.5N aqueous nitric acid and acetic acid solution according to process of high temperature by oyster shell powder 27