Precipitation–stripping processes for heavy metals

Zieliński, S.; Buca, Marek; Famulski, M

doi:10.1016/s0304-386x(98)00005-x

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Nickel Extraction and Nickel Oxalate Particle Synthesis1

Introduction1

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2008

2023

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Cited by 11 publications

(2 citation statements)

References 7 publications

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“…Zielinski et al [19] investigated the precipitation stripping of nickel and other bivalent cations with oxalic acid from loaded oil phases containing D2EHPA as the carrier. They showed that oxalic acid solutions could precipitate metals in one-stage operation with efficiencies over 90%.…”

Section: Nickel Extraction and Nickel Oxalate Particle Synthesismentioning

confidence: 99%

Synthesis of nickel oxalate particles in the confined internal droplets of W/O emulsions and in systems without space confinement

Sengupta

Tamboli

Sengupta

2011

Chemical Engineering Journal

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Section: Nickel Extraction and Nickel Oxalate Particle Synthesismentioning

confidence: 99%

Synthesis of nickel oxalate particles in the confined internal droplets of W/O emulsions and in systems without space confinement

Sengupta

Tamboli

Sengupta

2011

Chemical Engineering Journal

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“…Combining the stripping and precipitation processes into a single process, the strippingprecipitation was considered as one of the most efficient nano-material preparation methods [7,8]. In principle, the stripping precipitation approach can be explored to control particle agglomeration and size by means of controlling precipitation conditions.…”

Section: Introductionmentioning

confidence: 99%

Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

Zhang¹,

Xu²,

Xue³

et al. 2008

Front. Chem. Eng. China

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Ultra-fine zinc oxalate powders were prepared through a precipitation stripping method with bis(2-ethylhexyl) phosphate (HDEHP) diluted by tetrachloride carbon as the extractant, and oxalic acid ethanol aqueous solution as the re-extractant and precipitator. Zinc oxide powders were obtained by decomposing zinc oxalate powders at 450uC. The prepared zinc oxide powders were characterized by transmission electron microscope (TEM), Scanning electron microscope (SEM), Thermogravimetric analysis (TG), X-ray diffraction (XRD) and Fourier transmission infrared (FT-IR) spectrum. The photocatalytic performance of methylene blue by zinc oxide was studied based on the Langmuir model and Photo-Layer model. The results show that some zinc oxide powders were micro-multipore materials with hexagonal crystal. The particle size was around 32 nm. The photocatalytic process was the control step in the chemical reaction. The photo catalytic process followed pseudo-first order kinetics and NOH concentration inside the photo-layer in different reaction condition were calculated according to the Photo-Layer model.

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A New Economical Method for Fabricating High-Purity Bi2O3 via Extraction-Precipitation Stripping and Post Annealing

Cai

Jing

2018

The Minerals, Metals &Amp; Materials Series

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Precipitation–stripping processes for heavy metals

Cited by 11 publications

References 7 publications

Synthesis of nickel oxalate particles in the confined internal droplets of W/O emulsions and in systems without space confinement

Synthesis of nickel oxalate particles in the confined internal droplets of W/O emulsions and in systems without space confinement

Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

A New Economical Method for Fabricating High-Purity Bi2O3 via Extraction-Precipitation Stripping and Post Annealing

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