Enhanced Adsorption of Dimethyl Sulfide by Micronized Carbonaceous Adsorbent

2010 ◽  
Vol 158 ◽  
pp. 76-80
Author(s):  
Ming Wang ◽  
Zheng Hong Huang ◽  
Fei Yu Kang ◽  
Guo Sheng Gai

This study was focused on investigation of the adsorption property of micronized carbonaceous adsorbent for odorant dimethyl sulfide. Adsorption experiments were also conducted for the adsorption of dimethyl sulfide by chemically-modified carbonaceous adsorbent for comparison. It was shown that the adsorption capacity of micronized carbonaceous adsorbent increased by 94% compared with pristine powdered activated carbons (PACs), and increased by 42% compared with chemically-modified PACs. The micronized carbon demonstrated not only an enhanced adsorption performance for dimethyl sulfide, but also an environmentally-friendly adsorbent without secondary pollution.

RSC Advances ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 801-809 ◽  
Author(s):  
Chai Yin ◽  
Chao Xu ◽  
Wenhao Yu ◽  
Yuxiang Jia ◽  
Weizhi Sun ◽  
...  

Three types of resins prepared by carbonyl/amino modification based on CMPS displayed enhanced adsorption capacity towards acid dye Orange G and the resin 135-I-EDA that has two functional groups showed the best adsorption performance.


2013 ◽  
Vol 750-752 ◽  
pp. 1738-1741
Author(s):  
Jian Hui Yan ◽  
Lu Hong Zhang ◽  
You Gen Tang ◽  
Li Zhang

MgAl-NO3 LDHs were prepared by hydrothermal method. The as-prepared samples were characterized by SEM, XRD and FT-IR. The adsorption performance of MgAl-NO3 LDHs to methyl orange (MO) was studied. The effects of Mg/Al molar ratio on the adsorption performance of MgAl-NO3 LDHs were investigated. The results showed that the highest adsorption capacity of 499.98mg/g was obtained when the Mg/Al molar ratio was at 2.5:1.


Author(s):  
Long Wu ◽  
Yimeng Cai ◽  
Jiayong Tu ◽  
Shizhe Wang ◽  
Noriyuki Kobayashi ◽  
...  

AbstractActivated carbon (AC) was modified by using non-thermal plasma in O2, N2 and O2/N2 atmospheres to increase its Cu(II) adsorption capacity and quantify the influences of the modifying atmospheres. SEM, BET, FT-IR and XPS were used to characterize the surface physical and chemical properties of AC. The results show that the AC modified by using plasma had significantly better Cu(II) adsorption performance than the raw AC. Among the O2, N2 and O2/N2 atmospheres, the AC with plasma modification in N2 showed best Cu(II) adsorption performance and the Cu(II) adsorption capacity was 369.5% higher than the raw AC. The AC modified in O2 atmosphere can form C—COOH groups, while the AC modified in N2 atmosphere can form C—NH2 groups. These two groups are both beneficial for Cu(II) adsorption, where the —NH2 groups are more effective for Cu(II) adsorption compared to —COOH groups. The chemisorption dominated the Cu(II) adsorption on the plasma modified AC and the adsorption performance was dependent on the surface functional groups properties of AC.


RSC Advances ◽  
2014 ◽  
Vol 4 (53) ◽  
pp. 28119-28125 ◽  
Author(s):  
Xiuying Han ◽  
Peng Tian ◽  
Hongchang Pang ◽  
Qiang Song ◽  
Guiling Ning ◽  
...  

MgO–MgFe2O4 composites have been synthesized by a facile method, and they showed enhanced adsorption capacity and good magnetic separation performance.


Author(s):  
Kunhong Jiang ◽  
Zhenyu Li ◽  
Zexuan Zheng ◽  
Jiefei Li ◽  
Xing-Yue Qi ◽  
...  

The original NaX is a promising material for removing the organosulfur compoundds in the fuel. However, its utilization had been challenging, owning to its limited adsorption capacity of refractory sulfur...


2013 ◽  
Vol 807-809 ◽  
pp. 2488-2491
Author(s):  
Lei Tang ◽  
Yang Yan Bian ◽  
Qun Cui ◽  
Hai Yan Wang

It’s more difficult to remove dibenzothiophenic sulfur in diesel. Adsorption performance of self-made metal-organic framework on Cu-BTC, MCM-22, alumina and silica gel for 4-methyldibenzothiophene (4-MDBT) and 4,6-dimethyldibenzothiophene(4,6-DMDBT) in simulated diesel at room temperature were investigated. The results show, BET surface area of Cu-BTC is up to 1501m2/g. When the initial concentration of sulfur in 4-MDBT is 46.80mg S/L, the static equilibrium adsorption capacity of Cu-BTC for 4-MDBT in simulated diesel is 2.40mg S/gads, which is about 20 times than that of other adsorbents. When the initial concentration of sulfur in 4,6-DMDBT is 48.47mg S/L, the equilibrium adsorption capacity of Cu-BTC for 4,6-DMDBT in simulated diesel is 2.04mg S/gads. The adsorption isotherms of Cu-BTC for 4-MDBT and 4,6-DMDBT indicate that when the equilibrium concentration of sulfur is 50mg S/L, the adsorption performance of Cu-BTC for 4-MDBT and 4,6-DMDBT following the order is 4-MDBT>4,6-DMDBT.


RSC Advances ◽  
2017 ◽  
Vol 7 (86) ◽  
pp. 54546-54553 ◽  
Author(s):  
S. Baik ◽  
H. Zhang ◽  
Y. K. Kim ◽  
D. Harbottle ◽  
J. W. Lee

Sulfonated porous carbon (PC-SO3H) shows enhanced Sr2+ adsorption performance in terms of removal capacity, kinetics, and selectivity.


2012 ◽  
Vol 161 ◽  
pp. 162-166 ◽  
Author(s):  
Xiao Lan SONG ◽  
Ying Zhang ◽  
Cheng Yin Yan ◽  
Wen Juan Jiang ◽  
Hong Jiang Xie

The adsorption performance of mercury ion onto activated carbon prepared from rice husk with NaOH was carried out at initial concentration of 100 mg/L. The activated carbon obtained at 800 °C possessed the outstanding specific surface area of 2786 m2/g. And the results showed that the maximum adsorption capacity of Hg2+ was recorded as 342.0 mg/g due to abundant micropores of 1.076 nm. In addition, the adsorption data were well explained by the Langmuir model with the monolayer adsorption capacity of 555.6 mg/g.


RSC Advances ◽  
2019 ◽  
Vol 9 (27) ◽  
pp. 15257-15264 ◽  
Author(s):  
Kyungmin Kim ◽  
Dujin Kim ◽  
Taeyeon Kim ◽  
Bong-Geun Kim ◽  
Donghyun Ko ◽  
...  

MLHO exhibited outstanding phosphate removal performance with a high adsorption capacity as well as efficient removal in low P concentrations.


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