The present study is concerned with the removal of Manganese from aqueous solution by adsorption onto low cost adsorbent. Manganese oxide coated zeolite (MOCZ) and iron oxide coated zeolite (FOCZ) were investigated as an adsorbent for the removal of Mn2+. Batch adsorption experiments were performed as a function of pH, contact time and Mn concentration. The optimum conditions for maximum adsorption by MOCZ were attained at pH=7, Mn concentration of 5 mg/L and for FOCZ at pH=8, concentration of 4mg/L. Manganese detection was carried out by Inductive Coupled Plasma - Atomic Emission Spectroscopy (ICP-AES). Furthermore, Results showed that MOCZ had a good adsorption performance for the adsorption of Mn rather than FOCZ, the adsorption capacity of MOCZ was 0.21 mg/g at 15 min. Langmuir, Freundlich, isotherm models were selected to evaluate the adsorption of Mn. It was found that the Langmuir isotherm model with coefficients of determinations (R2) of 0.97 and 0.94, respectively, best fits the Mn adsorption onto absorbents. Finally, Obtained results from experiments prove that MOCZ is suitable for removal of manganese from water and it is comparable with FOCZ.
목차
Abstract 1. Introduction 2. Materials and Methods 2.1. Clinoptilolite and Reagents 2.2. Preparation of MnO2 – zeolite and FeO – Zeolite 2.3. Characterization of Adsorbent 2.4. Methods 2.5. Adsorption Experiments and Isotherm Studies 3. Results and Discussion 3.1. Characterization Studies 3.2. Effect of pH on the Adsorption of Mn2+ 3.3. Effect of Initial Mn Concentration and Contact Time 3.4. Absorption Study 4. Conclusions References
Massoudinejad Mohamadreza [ Professor of Environmental Health Engineering, Head of Department, and Member of Safety Promotion and Injury Prevention Research Center, Shahid Beheshti University of Medical Science, Tehran, Iran ]
Khashij Maryam [ MS.c student, of Environmental Health Engineering, Shahid Beheshti University of Medical Science, Tehran, Iran ]
보안공학연구지원센터(IJAST) [Science & Engineering Research Support Center, Republic of Korea(IJAST)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Advanced Science and Technology
간기
월간
pISSN
2005-4238
수록기간
2008~2016
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Advanced Science and Technology Vol.72