NDLI: Application of cinder gel-beads/reeds combination strategy for bioremediation of pyrene- and indeno(1,2,3-cd)pyrene-contaminated estuarine wetlands

Content Provider	Springer Nature Link
Author	Tian, Weijun Liu, Qing Huang, Ruying Jin, Xin Qiao, Kaili
Copyright Year	2016
Abstract	Pseudomonas putida PYR1 and Acinetobacter baumannii INP1 isolated from Liaohe estuarine wetlands were entrapped in cinder beads to make cinder gel-beads. They were combined with reeds for bioremediation of pyrene- and indeno(1,2,3-cd)pyrene-contaminated estuarine wetlands. The results showed that the removal percentages of pyrene and indeno(1,2,3-cd)pyrene (69.2 and 89.8 % respectively) in 40 days using cinder gel-beads/reeds were obviously higher than those using cinder gel-beads(52.6 and 70.0 %) and reeds (33.5 and 78.6 %) alone, about four times those of the control (13.8 and 31.1 %). The removal efficiency of pyrene was in the order cinder gel-beads/reeds > cinder gel-beads > reeds > control, which was different from cinder gel-beads/reeds > reeds > cinder gel-beads > control of indeno(1,2,3-cd)pyrene. This result indicated that the functional mechanism to remove indeno(1,2,3-cd)pyrene with six benzene rings was different from that of pyrene. The synergistic effect of reeds and cinder gel-beads for indeno(1,2,3-cd)pyrene removal was weaker than that of pyrene. But the absorption and transformation of reeds with high efficiency were beneficial to indeno(1,2,3-cd)pyrene removal from wetlands. Additionally, microbial analysis with high-throughput sequencing presented that Gammaproteobacteria were dominant PAH-degrading groups in bioremediation with immobilized bacteria. This strategy can serve as a model system for the removal of more complex or structurally related organic compounds from contaminated sites.
Starting Page	10895
Ending Page	10902
Page Count	8
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	23
Issue Number	11
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-02-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pyrene Indeno(1,2,3-cd)pyrene Cinder gel-beads Reeds Pseudomonas putida Acinetobacter baumannii Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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