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Author:

Zhang, Fangzhai (Zhang, Fangzhai.) | Peng, Yongzhen (Peng, Yongzhen.) (Scholars:彭永臻) | Wang, Shuying (Wang, Shuying.) (Scholars:王淑莹) | Wang, Zhong (Wang, Zhong.) | Jiang, Hao (Jiang, Hao.)

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Scopus SCIE PubMed

Abstract:

An innovative step-feed partial nitrification, simultaneous Anammox and denitrification (SPNAD), equipped with real-time control parameters, achieved efficient nitrogen removal from raw mature landfill leachate. The variables pH and ORP served as real time on-line parameters to flexibly control the durations of aerobic and anoxic. A nitrogen removal efficiency (NRE) of 98.7% and nitrogen removal rate (NRR) of 0.23 kg m(-3)d(-1) were obtained at the influent NH4+-N, SCOD and total nitrogen (TN) of 1000 +/- 250 mg L-1, 1100 +/- 200 mg L-1, and 1300 +/- 75 mg L-1, respectively. Mass balance research demonstrated that Anammox contributed 69.3% to nitrogen removal and denitrification contributed 15.7%. A significant change in the Anammox community structure occurred (ca. Brocadia from 0.26% to 2.13%, ca. Kuenenia from 0.29% to 0.02%). This change is mainly attributed to different kinetic strategies (R-strategist of ca. Brocadia and K-strategist of ca. Kuenenia). Further study revealed the co-existence of functional microorganisms Nitrosomonas (3.0%), Cadidams-Brocadia (2.13%), and Thauera (25.3%).

Keyword:

Intermittent aeration Real-time control Mature landfill leachate Step-feed

Author Community:

  • [ 1 ] [Zhang, Fangzhai]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 2 ] [Peng, Yongzhen]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Shuying]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Zhong]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 5 ] [Jiang, Hao]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 彭永臻

    [Peng, Yongzhen]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

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Source :

JOURNAL OF HAZARDOUS MATERIALS

ISSN: 0304-3894

Year: 2019

Volume: 364

Page: 163-172

1 3 . 6 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:136

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 80

SCOPUS Cited Count: 96

ESI Highly Cited Papers on the List: 2 Unfold All

  • 2020-9
  • 2020-7

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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