Production of demineralized water for use in thermal power stations by advanced treatment of secondary wastewater effluent

Katsoyiannis, Ioannis A.; Gkotsis, Petros; Castellana, Massimo; Cartechini, Fabricio; Zouboulis, Anastasios

doi:10.1016/j.jenvman.2016.12.040

Cited by 34 publications

(19 citation statements)

References 47 publications

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“…Their characterisation was carried out according to the standard methods defined by the American Public Health Association to examine the characteristics of water and wastewater (APHA, 2012) and the results are summarised in Table 1. The samples of this secondary effluent have an alkaline pH with a high electrical conductivity, turbidity and moderate COD and BOD parameters in comparison with researchers who used secondary effluents (Katsoyiannis et al, 2017;Chon et al, 2017). Table 1.…”

Section: Wwtp Secondary Effluent Samplesmentioning

confidence: 89%

Nanofiltration as tertiary treatment method for removing trace pharmaceutically active compounds in wastewater from wastewater treatment plants

et al. 2017

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The ever-increasing occurrence and persistence of pharmaceutically active compounds (PhACs) in soils, sediments, drinking water supplies and wastewater effluents are a matter of serious environmental concern for governments and researchers worldwide. Nanofiltration as tertiary treatment method can be a viable and practical tool to remove these pollutants from aquatic environments. However, organic matter present in water sources can foul the membrane surface during operation, thus being potentially able to affect the membrane performance. Therefore, fouling mechanisms could heavily influence on the removal efficiencies. The purpose of this study was to investigate the implementation of three nanofiltration membranes (TFC-SR2, NF-270 and MPS-34) and to study both the rejection of trace PhACs and the fouling mechanisms for each membrane as a function of feed solution pH. Fouling mechanisms were predicted by Hermia's model adapted to cross-flow configurations. Results demonstrated that higher removals were obtained at slightly alkaline pH, especially for anionic trace PhACs. At the same conditions, more severe fouling was observed, which resulted in strong flux declines and an increase in hydrophobicity. This indicates that the attached organic matter on the membrane surface acts as a secondary selective barrier for separation.

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Section: Wwtp Secondary Effluent Samplesmentioning

confidence: 89%

Nanofiltration as tertiary treatment method for removing trace pharmaceutically active compounds in wastewater from wastewater treatment plants

et al. 2017

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“…In this article, we summarized the advanced oxidation processes based on sulfate radicals for the treatment of a domestic wastewater effluent. Wastewater effluent is considered the most promising source for production of recycled water [24]. Reused wastewater should be free of toxic or xenobiotic substances such as pesticides, pharmaceuticals, and endocrine disrupting compounds [25].…”

Section: Sulfate Radicals For the Treatment Of Wastewatermentioning

confidence: 99%

Sulfate Radical Technologies as Tertiary Treatment for the Removal of Emerging Contaminants from Wastewater

2017

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Abstract:Water scarcity and water pollution is a worldwide problem and has driven research into eco-friendly and low-energy cost efficient remediation. The reuse of wastewater for non-potable purpose after proper treatment is the only sustainable solution to the problem. Advanced oxidation processes (AOP) based on the in-situ generation of hydroxyl radicals have been intensively investigated for this purpose as a treatment step to achieve wastewater reuse. The main degradation mechanism of AOPs is based on the reaction of hydroxyl radicals with dissolved organic matter. However, hydroxyl radicals follow unselective multi-step pathways, limiting their efficiency in complex environmental matrices. To overcome such limitations, AOP treatment, based on generation of sulfate radicals, has been developed and widely investigated. This current mini-review will cover the most recent developments regarding emerging contaminant removal, i.e., organic micropollutants, using sulfate radicals generated by active persulfate or peroxymonosulfate, with a focus on an application to wastewater effluents for possible wastewater reuse.

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“…Moreover, these processes enable the water re-use. The application of UF/RO/IX integrated system allowed the production of demineralised water using the water obtained from municipal wastewater treatment plant 4 .…”

Section: Introductionmentioning

confidence: 99%

Water Demineralization by Membrane Distillation Utilizing Cooling Water From Municipal Waste Incinerator

Gryta

2018

Polish Journal of Chemical Technology

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The membrane distillation performance was studied for production of demineralized water from surface water (river). Hot water from cooling water system of municipal waste incinerator was considered as an energy source for membrane distillation. The integration of membrane installation with such cooling water system allows to re-use up to 18 kW per 1 m2 of the membranes. The studies were performed with the application of polypropylene capillary membranes Accurel PP S6/2. The membrane modules were supplied with the feed heated to a temperature of 310 K and 330 K. The permeate fl ux obtained for these temperatures was 2.8 and 9.7 L/m2 h, and the distillate conductivity was 6 and 4 S/cm, respectively. The water demineralisation process was carried out for 1200 h without module cleaning. The behaviour of the permeate fl ux and distillate conductivity indicate that used membranes maintained their non-wettability over tested period. The performed SEM-EDS examinations confi rmed, that the deposits did not fi ll the pores and were mainly formed on the membrane surface. The scaling intensity was defi nitely smaller for lower temperature (310 K) of the feed. The amorphous deposits containing beside Ca also substantial amounts of the Si were mainly formed under these conditions, whereas at higher feed temperature dominated CaCO3 scaling.

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Production of demineralized water for use in thermal power stations by advanced treatment of secondary wastewater effluent

Cited by 34 publications

References 47 publications

Nanofiltration as tertiary treatment method for removing trace pharmaceutically active compounds in wastewater from wastewater treatment plants

Nanofiltration as tertiary treatment method for removing trace pharmaceutically active compounds in wastewater from wastewater treatment plants

Sulfate Radical Technologies as Tertiary Treatment for the Removal of Emerging Contaminants from Wastewater

Water Demineralization by Membrane Distillation Utilizing Cooling Water From Municipal Waste Incinerator

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