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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2019, Vol. 7, Issue 5, Part B

Potato catalase-promoted rapid release of oxygen from hydrogen peroxide used in aquaculture


Author(s): Xin Li, Shulin Zhang, Fangdi Cong, Tao Li, Dajuan Zhang, Xinxin Wang and Yuying Li

Abstract: Under the drastic condition of dissolved oxygen seriously lacked in aquaculture water, it is critical to rapidly release oxygen by throwing oxygenation reagent into water, for aquatic animals surviving. Here, the adduct sodium sulfate-hydrogen peroxide-sodium chloride as oxygen-released agent was catalyzed by crude catalase solution (CCS) from potato starch process to rapidly increase molecular oxygen. In 500 mL water, the adduct catalyzed by 2 mL CCS can increase dissolved oxygen by 5.16 mg·L-1·h-1 and give almost no impact on pH and redox potential, but the commercially available sodium percarbonate only brings dissolved oxygen by 0.68 mg·L-1·h-1, and causes pH value up to 10 and redox potential down to 70 mV, when hydrogen peroxides in the two oxygen-released agents all are at 0.043 g·L-1. This and further researches display that CCS not only has high catalysis but also is friendly to water environment.

Pages: 136-143  |  266 Views  29 Downloads

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How to cite this article:
Xin Li, Shulin Zhang, Fangdi Cong, Tao Li, Dajuan Zhang, Xinxin Wang, Yuying Li. Potato catalase-promoted rapid release of oxygen from hydrogen peroxide used in aquaculture. Int J Fish Aquat Stud 2019;7(5):136-143.
International Journal of Fisheries and Aquatic Studies