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This paper presents the adsorption of Cu(II) from aqueous solution on modified Unye bentonite. Adsorption of Cu(II) by manganase oxide modified bentonite (MMB) sample was investigated as a ...
A novel organicmodified aluminummanganese bimetal oxide (OABO) adsorbent was fabricated to adsorb nitrate and phosphate from wastewater and reduce eutrophication risk. Several techniques were applied to investigate the surface characteristics of OABO. The characterization results showed that OABO has multiple functional groups, including hydroxyl groups, impregnated sulfate ions, grafted ...
Feb 16, 2006· Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon. Frontiers of Chemical Science and Engineering 2011, 5 (2), 203208. DOI: /s. Weihua Zou, Lei Zhao, Runping Han. Adsorption characteristics of uranyl ions by manganese oxide coated sand in batch mode.
S.J. Park, Y.S. Jang, Pore structure and surface properties of chemically modified activated carbons for adsorption mechanism and rate of Cr(VI), J. Colloid Interface Sci., 249 (2002) 458–463. Q. Zhou, X. Jiang, Y. Guo, G. Zhang, W. Jiang, An ultrahigh surface area mesoporous carbon prepared by a novel MnOtemplated method for highly ...
Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon. Frontiers of Chemical Science and Engineering 2011, 5 (2), 203208. DOI: /s. Weihua Zou, Lei Zhao, Runping Han. Adsorption characteristics of uranyl ions by manganese oxide coated sand in batch mode.
May 01, 2002· Adsorption studies of strontium on manganese dioxide from aqueous solutions. The International Journal of Applied Radiation and Isotopes 1981, 32 (12), 899904. DOI: /X(81)900764. Syed Moosa Ha, Mudassar Ahmed Qureshi. Adsorption studies of cobalt(II) on manganese dioxide from aqueous solutions.
using the zinc ion (Zn2+) adsorption method. Here, g of manganese oxidesmodified diatomite were mixed with 25 mL of Zn2+ solution (2 M ammonium chloride [NH4C1], zinc chloride [ZnCl2]) in a 100 mL flask. The mixture was agitated for 24 h and then allowed to stand overnight. The supernatant solution was analyzed for Zn2+ using atomic ...
May 10, 2016· The modified surface of granulated activated carbon increased the adsorption capacity for adsorption of Cu 2 + and Cd 2 + greatly (Fan and Anderson, 2005). Puppa performed the adsorption of cations Cd 2 +, Zn 2 + and Cu 2 + on amorphous manganese oxides and synthetic birnessite (MnO 2) at pH 4 and The both adsorbents were found to be ...
The arsenic adsorption capacity of a manganese oxidemodified biochar composite (MBC), prepared by pyrolysis of a mixture of potassium permanganate and biochar, was investigated in red soil. Adsorption experiments using batch procedures were used to estimate the arsenic adsorption capacities of the absorbent materials.
May 26, 2007· Adsorption behavior and removal mechanism of arsenic on graphene modified by iron–manganese binary oxide (FeMnO x /RGO) from aqueous solutions. RSC Advances 2015, 5 (83), . DOI: /C5RA11601E.
While modified the diatomite with sixteen alkyl trimethylamine bromide solution, manganese dioxide and calcium carbonate, the effects of diatomite dosage, adsorption time and initial pH value on ...
Sep 13, 2019· 1. J Hazard Mater. 2019 Sep 13;384:121229. doi: / [Epub ahead of print] Adsorption behavior and mechanism of arsenic on mesoporous silica modified by ironmanganese binary oxide (FeMnOx/SBA15) from aqueous systems.
Adsorption Behaviour of Modified Zeolite as Novel Adsorbents for Fluoride Removal from Drinking Water: Surface Phenomena, Kinetics ... removal of manganese by manganese oxide coated zeolite [41], removal of strontium and potassium ions by synthetic zeolite .
Apr 30, 2009· Arsenate adsorption from aqueous solutions onto clinoptiloliteheulandite rich tuffs modified with iron or manganese or a mixture of both iron and manganese in this work was investigated. A kinetic model was considered to describe the arsenates adsorption on .
Arsenate adsorption from aqueous solutions onto clinoptiloliteheulandite rich tuffs modified with iron or manganese or a mixture of both iron and manganese in this work was investigated. A kinetic model was considered to describe the arsenates adsorption on each zeolitic material. The modified clinoptiloliteheulandite rich tuffs were characterized by scanning electron microscopy and Xray...
Journal of hazardous materials Adsorption of Zinc(II) on diatomite and manganeseoxidemodified diatomite: a kinetic and equilibrium study. [Necla Caliskan, Ali Riza Kul, Salih Alkan, Eda Gokirmak Sogut, Ihsan Alacabey]
Iron–manganese binary oxide (FeMnO x) is considered highly effective for arsenic adsorption, however, the agglomeration effect hindered its practical this study, graphene has been used as a supporting matrix to disperse FeMnO x due to its huge specific surface area, and the synthesized novel composite adsorbent (FeMnO x /RGO) was employed for arsenic removal.
Mar 20, 2020· Fabrication of sustainable manganese ferrite modified biochar from vinasse for enhanced adsorption of fluoroquinolone antibiotics: Effects and mechanisms. Author links open overlay panel Yujia Xiang a 1 Xiao Yang b 1 Zhangyi Xu a Wenyong Hu c Yaoyu Zhou a b Zhonghao Wan b Yuhui Yang a Yuyi Wei a Jian Yang a Daniel Tsang b.
Ions adsorption capacity by different manganese oxide coated adsorbents. Ions Mncoated material Q max (mg/g) References As+3 Manganese oxidecoatedalumina 425 20 Cd+2 Manganese oxide modified Diatomite 21 Cu+2 Manganese oxide modified Bentonite 22 Cu+2 Manganese oxide coated zeolite 14
molecules Article Adsorption Properties of NanoMnO2–Biochar Composites for Copper in Aqueous Solution Li Zhou 1,2,†, Huang 2,†, Weiwen Qiu 3, Zhanxiang Sun 4, Zhongqi Liu 2 and Zhengguo Song 2,* 1 College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, China; lily_621 2 AgroEnvironmental Protection Institute, Ministry of Agriculture of China ...
The adsorption of Pb(II) from aqueous solution onto raw laterite soil (LS) and manganese oxidemodified laterite soil (MnLS) was evaluated based on batch method.
The adsorption of NO molecules on Mndoped CeO2 (111) surfaces for NO oxidation has been studied by employing the periodic density functional theory plus U (DFT+U) method. Through our calculations, it is demonstrated how Mndoped CeO2 with superior NO oxidation activity benefits from the high mobility of the oxygen near the Mn cations. On unreduced Mndoped CeO2 (111) surfaces, the NO molecule ...
Both raw and Mn2+modified bentonite clay have high pHpzc indicative of clay dominated by aluminosilicate materials and manganese oxides. Modification of the raw bentonite clay with Mn2+ increases the pHpzc and which extends the pH range for adsorption of .
Oct 01, 2001· The modified diatomite will be referred to by Mndiatomite. The amount of Mn(IV) oxides deposited on the diatomite was determined by dissolving the oxides in 4 M hydrochloric acid at 40°C in a hot water bath. Manganese ions were determined by atomic absorption. Characterisation of modified .
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