Studty of physico-chemical parameters affecting SND process on nitrogenous compounds removal

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Masoudi Seyed Mohammad Ali; SARGOLZAEI JAVAD; Sabeti Dehkordi Fatemeh; Darroudi Aboulfazl

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Journal Paper

Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2019 | Volume:21 | Issue:8 (87) Page(s): 77-87

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Title

Studty of physico-chemical parameters affecting SND process on nitrogenous compounds removal

Author(s)

Masoudi Seyed Mohammad Ali | SARGOLZAEI JAVAD | Sabeti Dehkordi Fatemeh | Darroudi Aboulfazl | Issue Writer Certificate

Keywords

Nitrogen

Temperature

Floc Size

Nitrification

Denitrification

Abstract

Background and Objective: Treating wastewaters containing Nitrogenous compounds is an essential issue due to environmental hazards. New biological technologies such as simultaneous Nitrification-deNitrification (SND), ANAMMOX and SHARON were developed in the last decades. Such techniques are economical and more effective compared to conventional methods. The aim of this work was to investigate physico-chemical properties of SND process. Method: In this study, subsequent to constructing a comprehensive survey on papers published in the last two decades, the impacts of effective parameters such as Temperature, pH, dissolved oxygen, organic carbon, Floc Size and sludge retention time (SRT) on SND process were investigated. Findings: SND process reduces carbon source demand. Dissolved oxygen should be adjusted in a particular range to maintain an equilibrium between the Nitrification and deNitrification. The process efficiency was higher in the basic pH. The optimum Temperature for the growth of SND bacteria were 20-30 ℃ . There was no linear correlation between efficiency of process and SRT. Discussion and Conclusion: The results of this research approved that new biological processes for Nitrogen removal such as SND were promising owing to reducing the need for aeration and carbon source. By controlling the Physico-chemical conditions in process, good efficiencies can be achieved.

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APA: Copy

Masoudi, Seyed Mohammad Ali, SARGOLZAEI, JAVAD, Sabeti Dehkordi, Fatemeh, & Darroudi, Aboulfazl. (2019). Studty of physico-chemical parameters affecting SND process on nitrogenous compounds removal. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 21(8 (87) ), 77-87. SID. https://sid.ir/paper/746751/en

Vancouver: Copy

Masoudi Seyed Mohammad Ali, SARGOLZAEI JAVAD, Sabeti Dehkordi Fatemeh, Darroudi Aboulfazl. Studty of physico-chemical parameters affecting SND process on nitrogenous compounds removal. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2019;21(8 (87) ):77-87. Available from: https://sid.ir/paper/746751/en

IEEE: Copy

Seyed Mohammad Ali Masoudi, JAVAD SARGOLZAEI, Fatemeh Sabeti Dehkordi, and Aboulfazl Darroudi, “Studty of physico-chemical parameters affecting SND process on nitrogenous compounds removal,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 21, no. 8 (87) , pp. 77–87, 2019, [Online]. Available: https://sid.ir/paper/746751/en

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