Investigating the effects of heat activated persulfate on the degradation of furfural, a component of hydraulic fracturing fluid chemical additives

Manz, Katherine E.; Carter, Kimberly E.

doi:10.1016/j.cej.2017.06.168

Cited by 54 publications

(33 citation statements)

References 70 publications

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“…The reaction of cellulose and APS took place when persulfate ions S 2 O 8 2− were activated by the heating of the APS-cellulose solution to 70 °C in acidic conditions. Thus, SO 4 • − was created in the mixture according to the previously reported reaction mechanism [ 27 , 48 ]. The proposed further reaction course involves the presence of other radicals and oxidants, including hydrogen peroxide.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Nanofibrillated Cellulose by Combined Ammonium Persulphate Treatment with Ultrasound and Mechanical Processing

et al. 2018

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Ammonium persulfate has been known as an agent for obtaining nanocellulose in recent years, however most research has focused on producing cellulose nanocrystals. A lack of research about combined ammonium persulfate oxidation and common mechanical treatment in order to obtain cellulose nanofibrils has been identified. The objective of this research was to obtain and investigate carboxylated cellulose nanofibrils produced by ammonium persulfate oxidation combined with ultrasonic and mechanical treatment. Light microscopy, atomic force microscopy (AFM), powder X-Ray diffraction (PXRD), Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and Zeta potential measurements were applied during this research. The carboxylated cellulose suspension of different fractions including nanofibrils, microfibrils and bundles were produced from bleached birch Kraft pulp fibers using chemical pretreatment with ammonium persulfate solution and further defibrillation using consequent mechanical treatment in a high shear laboratory mixer and ultrasonication. The characteristics of the obtained nanofibrils were: diameter 20–300 nm, crystallinity index 74.3%, Zeta potential −26.9 ± 1.8 mV, clear FTIR peak at 1740 cm−1 indicating the C=O stretching vibrations, and lower thermostability in comparison to the Kraft pulp was observed. The proposed method can be used to produce cellulose nanofibrils with defined crystallinity.

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Section: Resultsmentioning

confidence: 99%

Synthesis of Nanofibrillated Cellulose by Combined Ammonium Persulphate Treatment with Ultrasound and Mechanical Processing

et al. 2018

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“…MD and EC showed more than 99% of salts removal efficiency for all ions, but RO showed relatively low efficiency. (Manz and Carter, 2017). Furfural degradation using activated persulfate followed pseudo-first order kinetics.…”

Section: Treatmentmentioning

confidence: 99%

Petrochemical Wastewater and Produced Water

Wei

Zhang

Sun

et al. 2018

Water Environment Research

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Petrochemical and oil & gas industries are crucial for global economy while great attention is needed for the related contamination and its impact on the environment. Papers reviewed herein represent the recent research and development on petrochemical wastewater and produced water from oil & gas industry, published in 2017 and beginning of 2018 globally. In the petrochemical wastewater, progresses were made in characterization, physicochemical treatment and biological treatment. In the oil & gas produced water, efforts were made on the characterization, the environmental impact and treatment options.

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“…Tunç / Desalination and Water Treatment 158 (2019) [372][373][374][375][376][377][378][379][380][381][382][383][384] strong oxidizing sulfate radicals (E 0 = 2.7 V) according to Eqs. (1) and (2) [15]. Moreover, once the sulfate radical (SO 4…”

Section: Introductionmentioning

confidence: 99%

“…Among the AOPs, in recent years, persulfate technology has attracted increasing attention for treatment of wastewater containing recalcitrant and/or toxic pollutants [13]. Persulfate (S 2 O 8 2-) has an oxidation potential of 2.01 V (E 0 ) [13][14][15], and is stable at room temperature [14]. Persulfate is activated by heat, UV-light, strong base and transition metals such as iron (e.g., Fe 2+ ) [14,16].…”

Section: Introductionmentioning

confidence: 99%

Decolorization of azo dye Everdirect Supra Red BWS in an aqueous solution by heat-activated persulfate: optimization using response surface methodology

Tunç¹

2019

Desalination and Water Treatment

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In this study, the removal of Everdirect Supra Red BWS dye via a heat-activated persulfate process was studied. Individual and interactive effects of important process parameters, that is, persulfate concentration, initial dye concentration, process temperature and reaction time, were investigated using the response surface methodology. The high determination coefficient value (R 2 = 0.9948) of the quadratic model showed that the model was accurate in predicting the experimental results. The experimental results corresponded well with the predicted models. Using the desirability function, the optimum conditions were found to be 2,375 mg L-1 persulfate concentration, 87.51 mg L-1 dye concentration, 62.5°C process temperature and 35 min reaction time, which resulted in the dye removal efficiency of 97.63%. The effects of radical scavengers on the dye degradation were also evaluated. The results indicated that SO 4 •− was more dominant in the oxidation process. Moreover, the effect of various salts such as Na 2 SO 4 and Na 2 CO 3 on the dye removal was also examined. The dye removal level slightly decreased in the presence of Na 2 SO 4 , while Na 2 CO 3 did not cause a negative effect on the performance of this process.

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Investigating the effects of heat activated persulfate on the degradation of furfural, a component of hydraulic fracturing fluid chemical additives

Cited by 54 publications

References 70 publications

Synthesis of Nanofibrillated Cellulose by Combined Ammonium Persulphate Treatment with Ultrasound and Mechanical Processing

Synthesis of Nanofibrillated Cellulose by Combined Ammonium Persulphate Treatment with Ultrasound and Mechanical Processing

Petrochemical Wastewater and Produced Water

Decolorization of azo dye Everdirect Supra Red BWS in an aqueous solution by heat-activated persulfate: optimization using response surface methodology

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