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표제지=0,1,1

제출문=0,2,1

요약문=i,3,4

SUMMARY=v,7,4

CONTENTS=ix,11,2

목차=xi,13,2

LIST OF FIGURE=xiii,15,2

LIST OF TABLE=xv,17,1

제1장 서론=1,18,9

제2장 국내외 기술개발 현황=10,27,10

제3장 이론적 고찰=20,37,1

제1절. 부유선별=20,37,8

제2절. 리튬 제련=27,44,4

제4장 결과 및 고찰=31,48,1

제1절 광물학적 특성연구=31,48,13

제2절. 부유선별 실험=44,61,1

1. 마광입도 규명을 위한 입도 비교 실험=44,61,5

2. 포집제 종류 및 첨가량 비교 실험=49,66,6

3. Kerosene 사용량 비교 실험=55,72,2

4. 광액의 pH 의존성 비교 실험=57,74,4

5. 기포제 첨가량 비교 실험=61,78,2

6. 광액 중의 미분 함유량 비교 실험=63,80,1

7. 정선횟수 비교 실험=63,80,3

8. 포집제 병용사용시 포집제 종류 및 첨가량 비교 실험=66,83,3

9. 포집제 병용사용시 Kerosene 사용량 비교 실험=69,86,1

10. 포집제 병용사용시 광액의 pH 비교 실험=69,86,1

11. 포집제 병용사용시 기포제 첨가량 비교 실험=70,87,1

12./3.12. 포집제 병용사용시 광액 중의 미분 함유량 비교 실험=70,87,1

13. 포집제 병용사용시 정선횟수 비교 실험=70,87,7

제3절. 리튬화합물 제조실험=77,94,1

1. Lepidolite의 배소실험=77,94,5

2. Lepidolite의 황산 분해=82,99,3

제4절 운모광물의 미립화 실험=85,102,1

1. 분쇄 메카니즘=85,102,4

2. 분쇄실험 결과=89,106,4

가. 볼 밀 분쇄실험 결과=93,110,2

(1) 밀 회전수 비교실험=95,112,1

(2) 볼 장입량 비교실험=96,113,1

(3) 분쇄시간 비교실험=97,114,2

나. 진동 밀 분쇄실험 결과=99,116,3

다. 마모 밀 분쇄실험 결과=102,119,1

(1) 분쇄매체의 장입량 변화실험=102,119,2

(2) 교반기 회전수 변화실험=104,121,1

(3) 분쇄시간 변화실험=105,122,2

3. 분쇄실험 종합고찰 및 결론=107,124,1

제5장 결론=108,125,1

제6장 참고문헌=109,126,1

APPENDIX=110,127,16

영문목차

[title page etc.]=0,1,10

CONTENTS=ix,11,7

CHAPTER 1. Introduction=1,18,9

CHAPTER 2. Status of Research=10,27,10

CHAPTER 3. Theory=20,37,1

Section 1. Flotation=20,37,8

Section 2. Leaching of Lithium=27,44,4

CHAPTER 4. Experiment and Results=31,48,1

Section 1. Characterization of raw material=31,48,13

Section 2. Result of Flotation Test=44,61,1

A. Effect of particle size on flotation=44,61,5

B. Effect of kinds and dosage of collector on flotation=49,66,6

C. Effect of dosage of kerosene on flotation=55,72,2

D. Effect of pH on flotation=57,74,4

E. Effect of dosage of frother on flotation=61,78,2

F. Effect of content of fine particles on flotation=63,80,1

G. Effect of cleaning time on flotation=63,80,3

H. Effect of kinds and dosage of collector on flotation when combined collector was used=66,83,3

I. Effect of dosage of kerosene on flotation when combined collector was used=69,86,1

J. Effect of pH on flotation when combined collector was used=69,86,1

K. Effect of dosage of frother on flotation when combined collector was used=70,87,1

L. Effect of content of fine particles on flotation when combined collector was used=70,87,1

M. Effect of cleaning time on flotation when combined collector was used=70,87,7

Section 3. Leaching of lithium from concentrate=77,94,1

A. Calcination of Lepidolite=77,94,5

B. Sulfric acid digestion of Lepidolite=82,99,3

Section 4. Grinding of mica=85,102,1

1. Grinding mechanism=85,102,4

2. Result of grinding test=89,106,4

A. Result of grinding test by ball mill=93,110,2

(1) Effect of rotation speed=95,112,1

(2) Effect of ball content=96,113,1

(3) Effect of grinding time=97,114,2

B. Result of grinding test by vibration mill=99,116,3

C. Result of grinding test by attrition mill=102,119,1

(1) Effect of media content=102,119,2

(2) Effect of agitation speed=104,121,1

(3) Effect of grinding time=105,122,2

3. Summary of grinding test=107,124,1

CHAPTER 5. Conclusion=108,125,1

CHAPTER 6. Reference=109,126,1

APPENDIX=110,127,16

그림목차

Fig. 1. Experimental flowchart for recovery of lepidolite=33,50,1

Fig. 2. Image analysis system with optical microscope=34,51,1

Fig. 3. XRD pattern of head sample=35,52,1

Fig. 4. Optical micrographs of the head ore=36,53,4

Fig. 5. XRD pattern of +65mesh sample=42,59,1

Fig. 6. XRD pattern of -400mesh sample=43,60,1

Fig. 7. Flotator=47,64,1

Fig. 8. Recovery and grade of Conc. with grinding time.=48,65,1

Fig. 9. Recovery and grade of Conc. with dosage of ARMAC-T.=53,70,1

Fig. 10. Recovery and grade of Conc. with dosage of AP-825.=54,71,1

Fig. 11. Recovery and grade of Conc. with dosage of Kerosene.=56,73,1

Fig. 12. Recovery and grade of Conc. with pH of the pulp(ARMAC-T)=59,76,1

Fig. 13. Effect of pH of the slurry on the recovery and grade of Conc.(AP-825)=60,77,1

Fig. 14. Effect of dosage of F-515 on the recovery and grade of Conc.=62,79,1

Fig. 15. Effect of content of fine powder on the recovery and grade of Conc.=64,81,1

Fig. 16. Effect of cleaning time on the recovery and grade of Conc.=65,82,1

Fig. 17. Changes in the recovery and grade of Conc. with dosage of ARMAC-T=67,84,1

Fig. 18. Changes in the recovery and grade of Conc. with dosage of AP-825=68,85,1

Fig. 19. Changes in the recovery and grade of Conc. with dosage of Kerosene=72,89,1

Fig. 20. Changes in the recovery and grade of Conc. with pH of the slurry=73,90,1

Fig. 21. Changes in the recovery and grade of Conc. with dosage of F-515=74,91,1

Fig. 22. Changes in the recovery and grade of Conc. with content of fine particles=75,92,1

Fig. 23. Changes in the recovery and grade of Conc. with cleaning time=76,93,1

Fig. 24. Effect of heat temperature on Defluorination=79,96,1

Fig. 25. Effect of heating time on Defluorination=80,97,1

Fig. 26. XRD pattern of calcined Conc.=81,98,1

Fig. 27. Changes in leaching ratio with digestion temp.=83,100,1

Fig. 28. Changes in leaching ratio with digestion time=84,101,1

Fig. 29. Various kinds of grinding model=87,104,1

Fig. 30. Relation between grinding mechanism and particle size of the products=88,105,1

Fig. 31. Grinding model for soft and sheet-type minerals=90,107,1

Fig. 32. The shapes of the mica ground by various kinds of grinders=92,109,1

Fig. 33. Laboratory ball mill=94,111,1

Fig. 34. Laboratory vibration mill=100,117,1

Fig. 35. Attrition mill=103,120,1

표목차

Table 1. Chemical compositions of the A head sample=32,49,1

Table 2. Chemical compositions of the A head sample with its size distribution=41,58,1

Table 3. Particle size distribution of head ore after grinding by rod mill=46,63,1

Table 4. Physical properties of ARMAC=49,66,1

Table 5. Solubility of ARMAC=50,67,1

Table 6. Thermal decomposition ratio of ARMAC=51,68,1

Table 7. Particle size changes with mill rotation speed=95,112,1

Table 8. Paticle size changes with ball content by vibration mill=96,113,1

Table 9. Particle size changes with milling time by ball mill=98,115,1

Table 10. Particle size changes with milling time by vibration mill=101,118,1

Table 11. Particle size changes with media content by attrition mill=102,119,1

Table 12. Particle size changes with rotation speed by attrition mill=104,121,1

Table 13. Particle size changes with milling time by attrition mill=106,123,1