Laboratory Assessment of Bioleaching of Shallow Eutrophic Sediment by Immobilized Photosynthetic Bacteria

Overview

Journal Environ Sci Pollut Res Int

Publisher Springer

Specialties Environmental Health
Toxicology

Date 2016 Dec 9

PMID 27928751

Citations 2

Authors

Shiyong Sun

Shenglan Fan

Kexuan Shen

Shen Lin

Xiaoqin Nie

Mingxue Liu

Faqin Dong

Jian Li

Affiliations

Soon will be listed here.

Abstract

Eutrophic sediment is a serious problem in ecosystem restoration, especially in shallow lake ecosystems. We present a novel bioleaching approach to treat shallow eutrophic sediment with the objective of preventing the release of nitrate, phosphate, and organic compounds from the sediment to the water column, using porous mineral-immobilized photosynthetic bacteria (PSB). Bioactivity of bacteria was maintained during the immobilization process. Immobilized PSB beads were directly deposited on the sediment surface. The deposited PSB utilized pollutants diffused from the sediment as a nutritive matrix for growth. We evaluated the effects of light condition, temperature, initial pH, amount of PSB beads, and frequency of addition of PSB beads for contaminant removal efficiency during bioleaching operations. The presented study indicated that immobilized PSB beads using porous minerals as substrates have considerable application potential in bioremediation of shallow eutrophic lakes.

Citing Articles

Study of the preparation of Maifan stone and SRB immobilized particles and their effect on treatment of acid mine drainage.

Guo X, Hu Z, Dong Y, Fu S, Li Y RSC Adv. 2022; 12(8):4595-4604.

PMID: 35425486 PMC: 8981229. DOI: 10.1039/d1ra08709f.

Bioleaching of heavy metals from harbor sediment using sulfur-oxidizing microflora acclimated from native sediment and exogenous soil.

Chang C, Chen S, Klipkhayai P, Chiemchaisri C Environ Sci Pollut Res Int. 2019; 26(7):6818-6828.

PMID: 30635877 DOI: 10.1007/s11356-019-04137-x.

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