무기흡착제를 이용한 유해성 중금속의 제거
Removal of Hazardous Heavy Metals using Inorganic Adsorbent
- 주제(키워드) 중금속 , 흡착 , 흡착제 , 연탄재 , 교반흡착공정 , 고정흡착공정 , Heavy metal , Adsorption , Adsorbent , Used briquet , Stir adsorption system , Fix-bed adsorption system
- 발행기관 江陵大學校 大學院
- 지도교수 金鍾?
- 발행년도 2009
- 학위수여년월 2009. 2
- 학위명 석사
- 학과 및 전공 土木工學科
- 원문페이지 x, 93 p.
- 본문언어 한국어
초록/요약
This study examine basis property of matter. The stir adsorption system appraised about specific removal of heavy metal with respect to pH, amount of adsorbent using inorganic adsorbents different component and fixed-bed adsorption system appraised specific of continuous treatment. Also, a used briquet examined use possibility as adsorbent in appraise about specific removal of heavy metal with respect to pH and system. As the result of zeta potential analysis on adsorbent, BA, CA and DA was 7mV, 14mV, -2mV, respectively. AA and FA was 45mV. A particle size was in the range of 1.4㎛~9㎛. Average removal efficiency of turbidity was 90% on all adsorbent and removal efficiency of SS showed maximum 90% on BA. As the result with respect to change of pH, adsorption capacity was high in pH 8 all adsorbent and used briquet. AA showed removal efficiency of over 99% on Pb and Cu, also over 80% on Zn. BA showed removal efficiency of over 99% on Pb and Cu, also over 80% on Cd and Zn. CA showed removal efficiency of over 99% on Pb and Cu. DA removed Cr of over 60% and FA removed Pb and Cu of over 80% and 70%, respectively. A used briquet showed removal efficiency of over 90%, 90% and 85% on Pb, Cd and Cu, respectively. As the result with respect to amount of adsorbent, the most heavy metals were adsorption on AA, BA and CA, on the other hand DA and CA excelled adsorption capacity about Cr. Pb and Cu showed removal efficiency of over 90% with respect to little amount of AA, BA and CA. As showed low removal efficiency of 20% on all condition. Cr showed removal efficiency of over 80% when injected 1.5g of DA, Ni showed removal efficiency of 50% when injected 2g of BA. Zn showed removal efficiency of over 75% when injected 2g of AA. As the result of fixed-bed adsorption system, AA showed average removal efficiency of 85% and 75% with respect to Cu and As during the operation. BA showed average removal efficiency of over 90% to the exclusion of Cr during the operation. CA showed average removal efficiency of 95% and 90% with respect to Cu and As during the operation. Also, CA showed initial removal efficiency of over 80% whit respect Cd, Cr, Ni and Zn during the operation, but adsorption capacity decreased after 1000min. DA showed average removal efficiency of 85% and 75% with respect to Cr and As. FA showed average removal efficiency of over 80% and 85% with respect to Cu and As, respectively. A used briquet showed average removal efficiency of over 95% to the exclusion of Cr during the operation. The use possibility as adsorbent of a used briquet confirmed through stir adsorption system and fixed-bed adsorption system. Treatment efficiency appeared high fixed-bed adsorption system.
more목차
제1장 서론 = 1
1.1 연구 배경 = 1
1.2 연구 내용 및 목적 = 4
제2장 이론적 배경 = 5
2.1 중금속 폐수 발생 및 유해성 = 5
2.2 중금속 제거 방법 = 8
2.3 흡착이론 = 16
제3장 실험재료 및 방법 = 41
3.1 시약 = 41
3.2 흡착제 = 41
3.3 분석방법 = 44
3.4 실험방법 = 44
제4장 실험결과 및 고찰 = 48
4.1 흡착제의 기초 물성 및 특성 = 48
4.2 교반흡착공정에 의한 중금속 흑착 특성 = 51
4.3 고정흡착공정에 의한 중금속 흡착 특성 = 72
4.4 연탄재의 중금속 흡착 특성 = 83
제5장 결론 = 86
참고문헌 = 89
