Radiolytic degradation of ethylene glycol and glycerol in aqueous solutions

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Рұқсат ақылы немесе тек жазылушылар үшін

Аннотация

The influence of absorbed dose (up to 90 kGy) and the initial concentrations of ethylene glycol and glycerol (from 30 to 250 mg / L) on their degradation in aqueous solutions under a 3–MeV electron beam has been studied. Aeration of the solutions during irradiation decreased the yield of degradation. In the absence of aeration, the observed initial yields of degradation were about 0.23 μmol / J for ethylene glycol and about 0.14 μmol / J for glycerol. Degradation products formed in aqueous solutions are more resistant to ionizing radiation compared to the parent alcohols. A simultaneous reduction in alcohol concentration and chemical oxygen demand (COD) to standard values was achieved in solutions with an initial concentration of 30–40 mg / L at a dose of no higher than 2–3 kGy.

Толық мәтін

Рұқсат жабық

Авторлар туралы

E. Kholodkova

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: ponomarev@ipc.rssi.ru
Ресей, Moscow

A. Popova

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: ponomarev@ipc.rssi.ru
Ресей, Moscow

K. Artamonova

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: ponomarev@ipc.rssi.ru
Ресей, Moscow

A. Ponomarev

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: ponomarev@ipc.rssi.ru
Ресей, Moscow

Әдебиет тізімі

  1. Rebsdat S., Mayer D. Ethylene Glycol. Ullmann’s Encyclopedia of Industrial Chemistry. Wiley, 2000.
  2. Christoph R., Schmid, B., Steinberner U., Dilla W., Karinen R. Glycerol. Ullmann’s Encyclopedia of Industrial Chemistry. Wiley, 2006.
  3. Hilles A.H., Abu Amr S.S., Aziz H.A., Bashir M.J.K. // Advanced Oxidation Processes for Water and Wastewater Treatment. London: IWA Publishing, 2019. Р. 46–69.
  4. Ponomarev A.V., Ershov B.G. // Environmental Science and Technology. 2020. V. 54. P. 5331–5344.
  5. Nepachalovich P.S., Shadyro O.I., Bekish A.V., Shmanai V.V. // Free Radic. Res. 2020. V. 54. P. 732–744.
  6. Pikaev A.K., Kartasheva L.I. // Int.J. Radiat. Phys. Chem. 1975. V. 7. P. 395–415.
  7. Ponomarev A.V., Vlasov S.I., Kholodkova E.M. // High Energy Chemistry. 2019. V. 53. P. 314–320.
  8. Lutova Z.B., Panasyuk S.L., Yudin I.V. // Bull. Saint Petersbg. State Inst. Technol. 2019. P. 18–24.
  9. Plant A.G., Kos B., Jazbec A., Snoj L., Joyce M.J., Najdanovic-Visak V. // Ind.Eng. Chem. Res. 2023. V. 62. P. 21152–21163.
  10. Plan A.G., Kos B., Jazbec A., Snoj L., Najdanovic-Visak V., Joyce M.J. // Commun. Chem. 2021. V. 4. P. 132.
  11. Kholodkova E.M., Ponomarev A.V. // High Energy Chem. 2023. V. 57. P. 146–150.
  12. Ponomarev A.V. // Radiation Physics and Chemistry. 2020. V. 172. P. 108812.

Қосымша файлдар

Қосымша файлдар
Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. The effect of the absorbed dose of D on the content of C ethylene glycol in wastewater.

Жүктеу (76KB)
Метадеректер
3. 2. The effect of absorbed dose D on chemical oxygen consumption (COD) in wastewater.

Жүктеу (98KB)
Метадеректер
4. 3. The dependence of the ethylene glycol content C in the irradiated aqueous solution on its initial concentration (1-2 - 100 mg / l; 3-65 mg / l; 4-30 mg / l; 1 – with aeration, 2-4 – without aeration) and the absorbed dose D.

Жүктеу (92KB)
Метадеректер
5. 4. Dependence of glycerol content in the irradiated aqueous solution on its initial concentration (1, 2 – 100 mg / l; 3 – 65 mg / l; 4 – 30 mg / l; 1 – with aeration, 2 – 4 – without aeration) and absorbed dose D.

Жүктеу (89KB)
Метадеректер
6. 5. The effect of the initial concentration of EG (a) and PT (b) on the indicator of chemical oxygen consumption (COD) in irradiated aqueous solutions (without aeration).

Жүктеу (119KB)
Метадеректер

© Russian Academy of Sciences, 2024