Treatment of contaminated soil leachate by precipitation, adsorption and ion exchange

Reynier, Nicolas; Coudert, Lucie; Blais, Jean-François; Mercier, Guy; Besner, Simon

doi:10.1016/j.jece.2015.03.002

Cited by 38 publications

(10 citation statements)

References 30 publications

(37 reference statements)

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“…Unfortunately, the existing ion-exchange method has some disadvantages, such as difficult desorption, low sorption capacity, and weak service resistance. 23,25,26 Development of the new resins with high efficiency of selective sorption, desorption, and regeneration is the core of future separation technology. 27,28 It is reported that some resin and extractant mixtures can greatly improve the sorption capacity and the selectivity of the resin.…”

Section: Introductionmentioning

confidence: 99%

Highly efficient sorption of molybdenum from tungstate solution with modified D301 resin

Guo

et al. 2021

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Highly efficient sorption of molybdenum from tungstate solution with modified D301 resin

Guo

et al. 2021

RSC Adv.

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“…In general, the metal precipitate from the solution takes the form of the hydroxide. Considering the aim of removing either trace metals or NH 3 -N, lime or struvite (magnesium ammonium phosphate, MAP) is usually employed as the precipitant (Reynier et al 2015). Jaafarzadeh Haghighifard et al (2016) studied the removal of ammonium from mature LFL using struvite and found that 87% of the NH 4 was removed at pH 8.5.…”

Section: Chemical Precipitationmentioning

confidence: 99%

Recent technologies for leachate treatment: a review

Cherni

Elleuch

Messaoud

et al. 2021

Euro-Mediterr J Environ Integr

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Municipal solid waste leachate, a kind of wastewater, can severely damage the environment and contaminate the groundwater because of its high organic matter and toxic heavy metal concentrations. Due to its complex composition, this wastewater must be properly treated prior to being discharged into the environment. In recent decades, several biological approaches (e.g., bioremediation, phytoremediation, and bioreactors) and physicochemical processes (e.g., coagulation/flocculation, air stripping, and advanced oxidation processes) have proven effective at removing the organic load and the toxicity of this effluent. Physicochemical treatments have been applied as pretreatment or post-treatment steps for biological processes, but these methods do not always provide satisfactory results and can cause secondary pollution in some cases. In addition, owing to the high concentrations of organic matter, ammonia, and trace metals in landfill leachate, combined approaches to leachate treatment have been reported to be efficient. This article highlights the advantages and drawbacks of these approaches to the treatment of leachate by providing an updated overview of the various methods that have been successfully applied in this field. Further studies should focus on improving landfill leachate treatment to maximize removal performance.

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“…However, the disadvantage of soil washing is that the final effluent requires a suitable treatment to recover the chemicals and remove heavy metals. The most common techniques applied for post treatment are precipitation, coagulation and ion exchange (Reynier et al, 2015). But, these techniques can be costly and involves the use of chemicals.…”

Section: Post-treatment Of Soil and Soil Leachatementioning

confidence: 99%

Novel bioremediation processes for treatment of seleniferous soils and sediment

Wadgaonkar¹

2018

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Treatment of contaminated soil leachate by precipitation, adsorption and ion exchange

Cited by 38 publications

References 30 publications

Highly efficient sorption of molybdenum from tungstate solution with modified D301 resin

Highly efficient sorption of molybdenum from tungstate solution with modified D301 resin

Recent technologies for leachate treatment: a review

Novel bioremediation processes for treatment of seleniferous soils and sediment

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