Characterization and Catalytic Activity of Fenton-Like Catalyst: Fe2O3/Attapulgite

2012 ◽  
Vol 501 ◽  
pp. 128-133
Author(s):  
Shu Rong Yu ◽  
Ting Zhang ◽  
Hui Xia Feng
Keyword(s):  
Aqueous Solution ◽  
Catalytic Activity ◽  
Fenton Reaction ◽  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Benzene Sulfonate ◽  
Secondary Pollutants ◽  
Ft Ir ◽  
Dodecyl Benzene Sulfonate ◽  
Anion Surfactant

Fe2O3/attapulgite(ATP) catalyst was successfully prepared for Fenton reaction to degrade an anion surfactant, sodium dodecyl benzene sulfonate(SDBS)，in an aqueous solution. BET, SEM, FT-IR were performed to characterize Fe2O3/ ATP catalyst. Comparative studies indicated that the SDBS degradation ratios were much higher in presence of Fe2O3/ATP and H2O2 than those in presence of Fe2O3/ATP or H2O2 only, which suggested that the Fe2O3/ATP-catalyzed Fenton-like reaction governed the SDBS removal process. It also can be seen that Fe2O3/ATP-catalyzed Fenton-like reaction almost has the same efficiency as homogeneous Fenton reaction, while the former can be reused and has no secondary pollutants.

Comparative Studies of Two Fenton-Like Catalysts: Fe2O3 and Fe2O3/Attapulgite

2012 ◽  
Vol 518-523 ◽  
pp. 696-700 ◽  
Author(s):  
Ting Zhang ◽  
Yi Wang ◽  
Shu Rong Yu ◽  
Hui Xia Feng
Keyword(s):  
Comparative Studies ◽  
Fenton Reaction ◽  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Benzene Sulfonate ◽  
Secondary Pollutants ◽  
Dodecyl Benzene Sulfonate ◽  
Anion Surfactant ◽  
Ph Range ◽  
Fenton System

Fe2O3 and Fe2O3/attapulgite(ATP) catalyst was used for Fenton reaction to degrade an anion surfactant, sodium dodecyl benzene sulfonate(SDBS)，in an aqueous solution. Comparative studies indicated that Fe2O3/ATP-catalyzed Fenton system and Fe2O3-catalyzed Fenton system have the same catalysis capability. These two systems all have a widely pH range (2-10), and the catalysts can be reused and have no secondary pollutants. It also can be seen that Fe2O3/ATP-catalyzed Fenton-like reaction has much efficiency than Fe2O3-catalyzed Fenton reaction.

Study of Fe2O3/H2O2 Fenton-Like Oxidation and Mineralization of Anion Surfactant

2012 ◽  
Vol 550-553 ◽  
pp. 366-370
Author(s):  
Yi Wang ◽  
Ting Zhang ◽  
Hui Xia Feng
Keyword(s):  
Fenton Reaction ◽  
Ph Value ◽  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Degradation Ratio ◽  
Secondary Pollutants ◽  
Dodecyl Benzene Sulfonate ◽  
Anion Surfactant ◽  
Ph Range ◽  
Increasing Temperature

Fe2O3/H2O2, a kind of Fenton-like agent, was used to degrade an anion surfactant, sodium dodecyl benzene sulfonate(SDBS)，in an aqueous solution. Through a number of batch degradation experiments under various conditions, it was found that the reactivity of the system increased by increasing temperature. The SDBS degradation ratio will increase by, respectively, increasing H2O2 concentration and Fe2O3 dosage at some extent, but too high H2O2 concentration or Fe2O3 dosage will decrease the degradation efficiency. pH value has some influences on the reactivity of the system; from 2 to 10, the system maintains high efficiencies all the time. It also can be seen that Fe2O3/H2O2 Fenton-like reaction almost has the same efficiency as homogeneous Fenton reaction, while the former has a widely pH range (2-10), and Fe2O3 can be separated easily and has no secondary pollutants.

Fenton-Like Mineralization of Anion Surfactant by Fe2O3/Attapulgite Catalyst

2011 ◽  
Vol 399-401 ◽  
pp. 1392-1395 ◽  
Author(s):  
Ting Zhang ◽  
Shu Rong Yu ◽  
Hui Xia Feng
Keyword(s):  
Fenton Reaction ◽  
Ph Value ◽  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Degradation Efficiency ◽  
Benzene Sulfonate ◽  
Degradation Ratio ◽  
Dodecyl Benzene Sulfonate ◽  
Anion Surfactant

Fe2O3/attapulgite(ATP) catalyst was successfully prepared for Fenton reaction to degrade anion an surfactant, Sodium dodecyl benzene sulfonate(SDBS). Through a number of batch degradation experiments under various conditions, it was found that the reactivity of the system increased by increasing Fe2O3/ATP dosage and temperature. The SDBS degradation ratio will increase with increasing H2O2 concentration at some extent. But too high H2O2 concentration will make degradation efficiency decrease. The system maintains high efficiencies all experimental pH value(2-10).

The Sensitive Fluorimetric Method for the Determination of Curcumin Using the Enhancement of Mixing Micelle

2014 ◽  
Vol 525 ◽  
pp. 89-92
Author(s):  
Wei Huang ◽  
Feng Wang ◽  
Hong Long Zhu
Keyword(s):  
Aqueous Solution ◽  
Detection Limit ◽  
Fluorescence Intensity ◽  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Benzene Sulfonate ◽  
Fluorimetric Method ◽  
Dodecyl Benzene Sulfonate

It is found that the fluorescence of curcumin is greatly enhanced by La3+ in the prescence of sodium dodecyl benzene sulfonate (SDBS). Based on this, a sensitive fluorimetric method for the determination of curcumin in aqueous solution is proposed. In the HOAc-NaOAc buffer, the fluorescence intensity of curcumin is proportional to the concentration of curcumin in the range of 0.0074-7.4μg·mL-1 and the detection limit is 3.66ng·mL-1. The actual samples are satisfactorily determined.

Electrochemically Preparation of Functionalized Graphene Using Sodium Dodecyl Benzene Sulfonate (SDBS)

2013 ◽  
Vol 747 ◽  
pp. 246-249 ◽  
Author(s):  
Eun Hye Joo ◽  
Tapas Kuila ◽  
Nam Hoon Kim ◽  
Joong Hee Lee ◽  
Seon A. Kim ◽  
...  
Keyword(s):  
Sodium Dodecyl ◽  
Sodium Dodecyl Benzene Sulfonate ◽  
Functionalized Graphene ◽  
Benzene Sulfonate ◽  
Electrochemical Exfoliation ◽  
Uniform Dispersion ◽  
Vis Spectroscopy ◽  
Ft Ir ◽  
Dodecyl Benzene Sulfonate ◽  
Graphite Rod

Preparation of functionalized graphene by electrochemical exfoliation of graphite rod using sodium dodecyl benzene sulfonate (SDBS) is reported. SDBS solution has been used as the electrolyte as well as functional groups. SDBD is an anionic surfactant which helps to provide uniform dispersion in water and prevents the π-π π-π stacking as well. XRD result indicates the formation of graphene whereas; the functionalization of graphene was confirmed through the FT-IR spectrum, which shows presence of peaks corresponding to SO3-. UV-vis spectroscopy demonstrates the dispersibility of SDBS-functionalized graphene, and peaks of SDBS and graphene appeared at 225 nm and 260nm, respectively. Raman spectroscopy show ID/IGIDIG ratio is < 1. It means that defects of SDBS-functionalized graphene are reduced.

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