scholarly journals Decomposition of PPCPs by ultrasound-assisted advanced Fenton reaction: A case study with salicylic acid

2017 ◽  
Vol 39 ◽  
pp. 243-249 ◽  
Author(s):  
Başak Savun-Hekimoğlu ◽  
Nilsun H. Ince
Keyword(s):  
Salicylic Acid ◽  
Fenton Reaction ◽  
Ultrasound Assisted

HPLC study on Fenton-reaction initiated oxidation of salicylic acid. Biological relevance of the reaction in intestinal biotransformation of salicylic acid

2018 ◽  
Vol 52 (9) ◽  
pp. 1040-1051 ◽  
Author(s):  
Eszter Nyúl ◽  
Mónika Kuzma ◽  
Mátyás Mayer ◽  
Sándor Lakatos ◽  
Attila Almási ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Fenton Reaction ◽  
Biological Relevance ◽  
Hplc Study

Comparison of ultrasound-assisted Fenton reaction and dilute acid-catalysed steam explosion pretreatment of corncobs: cellulose characteristics and enzymatic saccharification

RSC Advances ◽  
2016 ◽  
Vol 6 (80) ◽  
pp. 76848-76854 ◽  
Author(s):  
Sujun Wang ◽  
Xianhong Ouyang ◽  
Wenya Wang ◽  
Qipeng Yuan ◽  
Aixia Yan
Keyword(s):  
Steam Explosion ◽  
Fenton Reaction ◽  
Enzymatic Saccharification ◽  
Dilute Acid ◽  
Steam Explosion Pretreatment ◽  
Ultrasound Assisted

As an emerging method for lignocellulose pretreatment, the ultrasound-assisted Fenton reaction is not well developed in comparison to the dilute acid-catalysed steam explosion.

Separation of Azeotropic Mixture Using Multi-stage Ultrasound-Assisted Flash Distillation

2015 ◽  
Vol 10 (4) ◽  
pp. 237-242 ◽  
Author(s):  
Taha Mahdi ◽  
Arshad Ahmad ◽  
Adnan Ripin ◽  
Mohamed Mahmud Nasef
Keyword(s):  
Ethyl Acetate ◽  
Azeotropic Mixture ◽  
Separation Unit ◽  
Multi Stage ◽  
Azeotropic Mixtures ◽  
In Series ◽  
Flash Distillation ◽  
Ultrasound Assisted ◽  
Aspen Custom Modeler

Abstract A mathematical model for an ultrasound-assisted vapor liquid equilibrium (VLE) system developed in Aspen Custom Modeler is exported to Aspen Plus flowsheeting environment to form a block in the software library to represent a single stage flash separation unit. The block is then arranged in series to mimic an ultrasonically intensified distillation process. As a case study, an ethanol/ethyl acetate separation process is examined. The results show that a 99 mol% ethyl acetate recovery is established when a series of 27 flash VLE devices are used. The system is also evaluated for other minimum boiling azeotropic mixtures, and consistent results are obtained, thus revealing the potentials of ultrasound-assisted system as an alternative strategy for azeotropic mixture separations.

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