표제지
목차
Ⅰ. 서론 7
Ⅱ. 연구사 9
Ⅲ. 재료 및 방법 11
1. 공시재료 11
2. 실험방법 11
1) 암모니아질소 침출용액 11
2) 암모니아질소(NH₄-N) 의 흡착 및 제거실험 12
3) pH 12
4) 염농도 12
5) 암모니아질소(NH₄-N) 12
Ⅳ. 결과 및 고찰 13
1. NaOH 처리별 pH, EC 및 염분농도 변화 13
2. 암모니아질소 잔류함량 및 제거효과 14
1) NH₄Cl용액의 석탄회와 활성탄 반응효과 14
2) NaOH 용액의 농도 및 합성제조 시간별 반응효과 16
3. 잔류 염분농도와 암모니아질소 흡착력 제거율과의 상관관계 21
Ⅴ. 적요 24
Ⅵ. 참고문헌 25
Abstract 27
감사의 글 29
Table 1. The characteristic of fly ash and charcoal 11
Table 2. The characteristic of artificial zeolite according to NaOH solution concentration and synthesis hours 13
Table.3. The removal of ratio in the test NH₄Cl solution samples according to reaction time and adding fly ash, charcoa 15
Table 4. The removal rate of ammonium nitrogen in the test NH₄Cl solution samples according to reaction time and synthesis hours for artificial zeolite 20
Fig. 1. The remaining content of ammonium nitrogen in the test NH₄Cl solution samples according to reaction time and adding fly ash and charcoal. 14
Fig. 2. The remaining content of ammonium nitrogen in the test NH₄Cl solution samples according to reaction time and synthesis hours by fly ash synthesis with 2M aqueous NaOH solution. 16
Fig. 3. The remaining content of ammonium nitrogen in the test NH₄Cl solution samples according to reaction time and synthesis hours by fly ash synthesis with 4M aqueous NaOH solution. 17
Fig. 4. The remaining content of ammonium nitrogen in the test NH₄Cl solution samples according to reaction time and synthesis hours by fly ash synthesis with 6M aqueous NaOH solution. 18
Fig. 5. Relation between the concentration of salts in artificial zeolite and the remaining content of ammonium nitrogen in the test samples by reaction time. 22
Fig. 6. Relation between the concentration of salts in artificial zeolite and the removal ratio of ammonium nitrogen in the test samples by reaction time. 23