Investigation on thiosulfate-involved organics and nitrogen removal by a sulfur cycle-based biological wastewater treatment process

Qian, Jin; Lü, Hui; Cui, Yanxiang; Li, Wei; Liu, Rulong; Chen, Guanghao

doi:10.1016/j.watres.2014.11.038

Cited by 66 publications

(17 citation statements)

References 39 publications

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“…In addition, some factors (e.g. temperature and pH) have also been reported to influence thiosulfate generation and accumulation (Qian et al, 2015).…”

Section: Sulfate Transformation In Cwsmentioning

confidence: 99%

Sulfate removal and sulfur transformation in constructed wetlands: The roles of filling material and plant biomass

et al. 2016

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Sulfate in effluent is a challenging issue for wastewater reuse around the world. In this study, sulfur (S) removal and transformation in five batch constructed wetlands (CWs) treating secondary effluent were investigated. The results showed that the presence of the plant cattail (Typha latifolia) had little effect on sulfate removal, while the carbon-rich litter it generated greatly improved sulfate removal, but with limited sulfide accumulation in the pore-water. After sulfate removal, most of the S was deposited with the valence states S (-II) and S (0) on the iron-rich gravel surface, and acid volatile sulfide was the main S sink in the litter-added CWs. High-throughput pyrosequencing revealed that sulfate-reducing bacteria (i.e. Desulfobacter) and sulfide-oxidizing bacteria (i.e. Thiobacillus) were dominant in the litter-added CWs, which led to a sustainable S cycle between sulfate and sulfide. Overall, this study suggests that recycling plant litter and iron-rich filling material in CWs gives an opportunity to utilize the S in the wastewater as both an electron acceptor for sulfate reduction and as an electron donor for nitrate reduction coupled with sulfide oxidation. This leads to the simultaneous removal of sulfate, nitrate, and organics without discharging toxic sulfide into the receiving water body.

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“…In addition, some factors (e.g. temperature and pH) have also been reported to influence thiosulfate generation and accumulation (Qian et al, 2015).…”

Section: Sulfate Transformation In Cwsmentioning

confidence: 99%

Sulfate removal and sulfur transformation in constructed wetlands: The roles of filling material and plant biomass

et al. 2016

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“…Therefore, it is of great importance to deal with the dye effluents. Various techniques such as biological treatment [4], advanced oxidation process [5], photocatalytic degradation [6] and adsorption [7][8][9][10] have been developed to remove dyes from water. Among them, adsorption technique is particularly attractive because of its simplicity of design, high efficiency and ease of operation [11].…”

Section: Introductionmentioning

confidence: 99%

Facile fabrication of magnetic carboxymethyl starch/poly(vinyl alcohol) composite gel for methylene blue removal

Gong

Zhang

Cheng

et al. 2015

International Journal of Biological Macromolecules

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“…3 The importance of this method is especially evident in lowconcentration wastewaters, where the use of chemical methods is not cost effective, 4 because in biological processes, the hazardous wastewater is purified using living and non-living organisms to break or degrade pollutants into non-toxic or less toxic materials. 5,6 On the other hand, the absorption method, widely used as a physical process in most pre-refinement sectors, is associated with the expansion of a variety of absorbents, including mineral absorbents such as zeolite, perlite, kaolin, and carbon dioxide, 7 and even polymeric absorbents, 8 but with the benefits of a biological system, if these post-mortem biocompounds could be used as absorbents. In addition, the cost of their refinement process can be greatly reduced due to their relatively low cost.…”

Section: Introductionmentioning

confidence: 99%

Removal of Dye by Biological Methods Using Fungi

Abbasi

2018

IJMR

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Synthetic dyes are increasingly used in industries such as medicine, pharmaceuticals, textiles, paper, cosmetics, leather, photography, food, etc. These compounds have severe environmental effects; most are toxic, mutagenic, and carcinogenic. In addition, they are usually resistant to degradation, and decolorizing them by physical or chemical methods, such as surface absorption, sedimentation, chemical analysis, light analysis, etc., requires substantial amounts of money, time, and energy. At the moment, the attention of most researchers in this field is focused on microorganisms with the ability to remove dyes from color materials. Innovative processes for the treatment of industrial wastewater which contains heavy metals and dyes are often used to reduce environmental pollution and the toxicity of these pollutants to cause the wastewater to meet purification standards. Research has shown that microorganisms such as bacteria, fungi, and yeasts can play an important role in decolorizing wastewater. The purpose of this paper is to review the causes of contamination and the role of fungi in decolorizing industrial wastewater.

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Investigation on thiosulfate-involved organics and nitrogen removal by a sulfur cycle-based biological wastewater treatment process

Cited by 66 publications

References 39 publications

Sulfate removal and sulfur transformation in constructed wetlands: The roles of filling material and plant biomass

Sulfate removal and sulfur transformation in constructed wetlands: The roles of filling material and plant biomass

Facile fabrication of magnetic carboxymethyl starch/poly(vinyl alcohol) composite gel for methylene blue removal

Removal of Dye by Biological Methods Using Fungi

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