BIOAFFINITY AND WASTEWATER TREATMENT PERFORMANCE OF THE MODIFIED BASALT FIBERS CARRIERS

ZHANG Xiao-ying; GAO Feng-yi; YANG Qiao-qiao; WEI Jing; ZHOU Xiang-tong; LI Shan-wei; WU Zhi-ren

doi:10.13205/j.hjgc.202112009

Volume 39 Issue 12

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(12): 59-65,127

ZHANG Xiao-ying, GAO Feng-yi, YANG Qiao-qiao, WEI Jing, ZHOU Xiang-tong, LI Shan-wei, WU Zhi-ren. BIOAFFINITY AND WASTEWATER TREATMENT PERFORMANCE OF THE MODIFIED BASALT FIBERS CARRIERS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 59-65,127. doi: 10.13205/j.hjgc.202112009

Citation:

ZHANG Xiao-ying, GAO Feng-yi, YANG Qiao-qiao, WEI Jing, ZHOU Xiang-tong, LI Shan-wei, WU Zhi-ren. BIOAFFINITY AND WASTEWATER TREATMENT PERFORMANCE OF THE MODIFIED BASALT FIBERS CARRIERS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 59-65,127. doi: 10.13205/j.hjgc.202112009

Citation:

ZHANG Xiao-ying, GAO Feng-yi, YANG Qiao-qiao, WEI Jing, ZHOU Xiang-tong, LI Shan-wei, WU Zhi-ren. BIOAFFINITY AND WASTEWATER TREATMENT PERFORMANCE OF THE MODIFIED BASALT FIBERS CARRIERS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 59-65,127. doi: 10.13205/j.hjgc.202112009

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BIOAFFINITY AND WASTEWATER TREATMENT PERFORMANCE OF THE MODIFIED BASALT FIBERS CARRIERS

doi: 10.13205/j.hjgc.202112009

1. School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu 241000, China;
2. School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China

Received Date: 2020-11-03
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

Modified basalt fiber(MBF) is a new type of inorganic micron-sized fiber carrier. To investigate the bioaffinity of the MBF carrier and evaluate its feasibility in practical application, the extended DLVO theory was used to construct the dynamics model of the bacteria adhesion behaviors on MBF carrier, and the biological contact oxidation reactor filled with MBF carrier was operated to treat the synthetic municipal wastewater and evaluate its treatment efficiency. The results showed that there was no energy barrier between Bacillus subtilis(B. subtilis) and MBF, allowing B. subtilis strong adhesion onto MBF. Therefore, the MBF carrier had high microbial immobilization capacity. In addition, the biological contact oxidation reactor filled with the MBF carrier started up quickly and maintained long-term stable operation. The average removal efficiencies of COD, ammonia nitrogen and total nitrogen were up to 94%, 99.5% and 97%, respectively. Therefore, the MBF carrier has a promising applicability in engineering practice, which provides an alternative to conventional organic carrier.
- modified basalt fiber,
- carrier,
- bacteria adhesion,
- bioaffinity wastewater treatment,
- nitrogen removal

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References(27)

References

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