Continuous biodiesel production in a fixed bed reactor packed with anion-exchange resin as heterogeneous catalyst

2012 ◽  
Vol 113 ◽  
pp. 19-22 ◽  
Author(s):  
Yanbiao Ren ◽  
Benqiao He ◽  
Feng Yan ◽  
Hong Wang ◽  
Yu Cheng ◽  
...  
Keyword(s):  
Heterogeneous Catalyst ◽  
Anion Exchange ◽  
Exchange Resin ◽  
Anion Exchange Resin ◽  
Fixed Bed ◽  
Biodiesel Production ◽  
Fixed Bed Reactor

Achieving no spent brine discharge in an anion exchange resin-based fixed-bed process for typical DOM removal

2019 ◽  
Vol 149 ◽  
pp. 121-128
Author(s):  
Xueyu Zhang ◽  
Xuze Xiao ◽  
Shaokui Zheng ◽  
Wei Wang
Keyword(s):  
Anion Exchange ◽  
Exchange Resin ◽  
Anion Exchange Resin ◽  
Fixed Bed

Determination of the Competitive Ion Exchange Isotherms of Taurine and Glycine on D290 Resin by Inverse Method

2013 ◽  
Vol 800 ◽  
pp. 22-26
Author(s):  
Shu Juan Zhuang ◽  
Feng Song ◽  
Zhong Jun Fu
Keyword(s):  
Ion Exchange ◽  
Anion Exchange ◽  
Inverse Method ◽  
Exchange Resin ◽  
Anion Exchange Resin ◽  
Fixed Bed ◽  
Elution Curves ◽  
Ion Exchange Isotherm ◽  
Good Agreement

With the elution curves of glycine and taurine, the ion exchange isotherm parameters of glycine and taurine on D290 anion exchange resin are determined by the inverse method. In this work, with the multi-component competitive ion exchange isotherm and the equilibrium dispersion chromatographic model, the elution curves of glycine and taurine on D290 anionic fixed bed are fitted. The parameters of competitive isotherm are determined, Ktau is 2.55, Kgly is 1.65. The result s showed good agreement between the elute curves fitted by the model and the separation data which confirmed the validity of the model selected.Keywords-taurine; glycine;competitive isotherm;inverse method;

Study of kinetic and fixed bed operation of removal of sulfate anions from an industrial wastewater by an anion exchange resin

2009 ◽  
Vol 166 (2-3) ◽  
pp. 961-966 ◽  
Author(s):  
Reza Haghsheno ◽  
Ali Mohebbi ◽  
Hassan Hashemipour ◽  
Amir Sarrafi
Keyword(s):  
Anion Exchange ◽  
Industrial Wastewater ◽  
Exchange Resin ◽  
Anion Exchange Resin ◽  
Fixed Bed

scholarly journals Adsorption of Nitrate by a Novel Polyacrylic Anion Exchange Resin from Water with Dissolved Organic Matters: Batch and Column Study

2019 ◽  
Vol 9 (15) ◽  
pp. 3077 ◽  
Author(s):  
Yue Sun ◽  
Weisheng Zheng ◽  
Xinchun Ding ◽  
Rajendra Prasad Singh
Keyword(s):  
Anion Exchange ◽  
Municipal Wastewater ◽  
Exchange Resin ◽  
Anion Exchange Resin ◽  
Fixed Bed ◽  
Treatment Plant ◽  
Treated Wastewater ◽  
Municipal Wastewater Treatment ◽  
N Removal ◽  
Dissolved Organic Matters

A novel anion exchange resin AEE-3 was synthesized by N-alkylation of a weakly basic polyacrylic anion exchanger D311 with 1-bromopropane to effectively remove nitrate (NO3−-N) from aqueous solution. The related finding revealed that its adsorption isotherm obeyed the Langmuir model well, and the second-order model was more validated for the NO3−-N adsorption kinetics study. Compared to commercially-available polystyrene-based nitrate specialty resin Purolite A 520E (A520E), AEE-3 resin has a higher adsorbed amount and better regeneration performance toward NO3−-N in the existence of dissolved organic matter (DOM) using static and dynamic methods. Notably, a real secondary treated wastewater (STWW) obtained from a local municipal wastewater treatment plant was also assessed for NO3−-N removal in fixed-bed columns. Observations from this study indicated that AEE-3 could effectively remove NO3−-N from contaminated surface water.

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