Lead-acid battery wastewater crystallization

PbSO4 Leaching in Citric Acid/Sodium Citrate Solution and Subsequent Yielding Lead Citrate via Controlled Crystallization

Lead citrate is a key precursor for the green recycling of spent lead acid battery paste in a citric acid/sodium citrate (CA/SC) solution. In this study, the main paste component, PbSO4, was leached and crystallized to yield lead citrate. Results showed that the leaching of PbSO4 in citric acid/sodium citrate solution was remarkably enhanced by …

Removal of lead ions (Pb2+) from water and wastewater: a …

Removal of lead ions (Pb2+) from water and wastewater

Thermodynamic Properties of Evaporative Crystallization of High-Salt Wastewater …

DOI: 10.2139/ssrn.4144355 Corpus ID: 250027665 Thermodynamic Properties of Evaporative Crystallization of High-Salt Wastewater @article{Xu2023ThermodynamicPO, title={Thermodynamic Properties of Evaporative Crystallization of High-Salt Wastewater}, author={Weigang Xu and Ying Xi and Lin …

A Review on Recycling of Waste Lead-Acid Batteries

Lead-acid batteries (LABs) have become an integral part of modern society due to their advantages of low cost, simple production, excellent stability, and …

Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater

sustainability Communication Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater Hong Ha Thi Vu 1,2, Shuai Gu 1, Thenepalli Thriveni 1, Mohd Danish Khan 3, Lai Quang Tuan 3,4 and Ji Whan Ahn 1,* 1 Center for Carbon Mineralization, Mineral Resources Division, Korea Institute of Geoscience and Mineral ...

Optimization of lead adsorption from lead-acid battery recycling unit wastewater …

During the recycling of exhausted lead-acid battery, large amount of wastewater is discharged, which contains the toxic Pb(II) ions in high concentration. In this study, the granular activated carbon after modification with sulfuric acid has been used to remove the Pb ...

Lead acid battery recycling for the twenty-first century …

1. Introduction Lead and lead-containing compounds have been used for millennia, initially for plumbing and cookware [], but now find application across a wide range of industries and technologies [] gure …

The Recovery of Lead from Spent Lead Acid Battery Paste by …

The recovery of lead from spent lead acid battery paste (SLP) is not only related to the sustainable development of the lead industry, but also to the sustainable evolution environment. An innovative process is proposed for the recovery of high purity metallic lead from spent lead acid battery paste (SLP) by electrodeposition at 333–353 …

Thermodynamic study on evaporation crystallization of high saline wastewater from lead-acid batteries …

Semantic Scholar extracted view of "Thermodynamic study on evaporation crystallization of high saline wastewater from lead-acid batteries" by Xin Liu et al. DOI: 10.1016/J.JCRYSGRO.2021.126166 Corpus ID: 235571532 Thermodynamic study on …

Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater …

PDF | In this study, we present a low-cost and simple method to treat spent lead–acid battery wastewater using quicklime and slaked lime. The sulfate... | Find, read and cite all ...

Separation of sodium sulfate from high-salt wastewater of lead-acid batteries

Separation of sodium sulfate from high-salt wastewater of lead-acid batteries [Display omitted] •The effect of concentration ratio on precipitation amount and purity was revealed.•The optimal temperature for the separation and purification of Na2SO4 was obtained.•The optimal concentration ratio of the separated and purified Na2SO4 was …

Preparation of High Purity Lead Oxide from Spent Lead Acid …

This paper reports a new method of direct recovery of highly pure lead oxide (PbO) from waste lead pastes and lead grids of spent lead–acid batteries via catalytic …

Used Lead Acid Batteries (ULAB)

Used Lead Acid Batteries (ULAB)

Separation of sodium sulfate from high-salt wastewater of lead …

Salt separation experiments are selectively conducted for the high-salt wastewater of lead-acid batteries. Two useful products, sodium sulfate and sodium …

(PDF) Treatment Methods for Lead Removal from Wastewater

PDF | Lead (Pb) contamination in wastewater has frequently been reported, for instance the range of Pb contamination in ... tions in wastewater from Pb-acid battery re cycling plants ranged from ...

Preparation and characterization of nano-structured lead oxide from spent lead acid battery …

The lead citrate, the precursor for preparation of this lead oxide, was synthesized through leaching of spent lead acid battery paste in citric acid solution. Both lead citrate and oxide products were characterized by means of thermogravimetric-differential thermal analysis (TG-DTA), X-ray diffraction (XRD), and scanning electron …

Selective removal of Pb from lead-acid battery wastewater using …

In this study, a strong acid gel cation exchanger (C100) impregnated with hydrated ferric hydroxide (HFO) nanoparticles (C100-Fe) was synthesized, characterized, and validated for application as a novel adsorbent to remove lead (Pb 2+) from industrial lead-acid battery wastewater.) from industrial lead-acid battery wastewater.

Phosphate recovery from wastewater via vivianite crystallization …

Fe/SABC possessed an excellent phosphate recovery effect via vivianite crystallization. • Fe/SABC produced large vivianite crystals with sizes of 40–50 μm. • Microdomain inert atmosphere within Fe/SABC slowed down the oxidation of reductive Fe and vivianite. • ...

Analysis of a more sustainable method for recycling waste lead batteries: Surface renewal promotes desulfurization agent regeneration …

Lead-acid batteries contain 30% to 60% lead compounds and 10% to 30% acid (mainly sulfuric acid). According to the Identification Standards for Hazardous Wastes (GB5085-2007), waste lead-acid batteries are valuable hazardous waste, cannot be freely disposed of, and are not permitted to be imported or exported.

LEAD REMOVAL FROM INDUSTRIAL WASTEWATER: A …

Heavy metal like lead are used in a number of industries to produce products like paints, batteries, cosmetics, power cable sheaths, polyvinyl chloride (PVC), and printed circuit boards as described by Sörme and Lagerkvist (2002). Pavlov and Technology (2011

Lead(II) removal from aqueous solutions and battery industry …

The experiments conducted on real battery industry wastewater showed that at least 91% of initial Pb (II) was sorbed by the red mud and the pH of the treated …

Sustainability | Free Full-Text | Sustainable Treatment for Sulfate …

Abstract. In this study, we present a low-cost and simple method to treat spent lead–acid battery wastewater using quicklime and slaked lime. The sulfate and …

Reclamation of Lead Acid Battery Processing Wastewater …

Reclamation of Lead Acid Battery Processing Wastewater through Microbes and Waste Valorization: Progress, Challenges, and Future Prospects By Sankha Chakrabortty, …

A green recycling process of the spent lead paste from discarded lead-acid battery by a hydrometallurgical process

In this study, a green recycling process of discarded lead-acid battery paste, which could avoid both the smelting and electro-winning route has been developed. Leaching reagents containing sodium citrate, acetic acid and hydrogen peroxide were reacted with spent lead paste in aqueous media at the p …

Understanding crystallization pathways leading to manganese oxide polymorph formation

Understanding crystallization pathways leading to ...

Crystallization in Water and Used Water Purification

Commercial and industrial activities produce wastewater that constitutes a significant environmental risk. Various treatment methods reduce the wastewater''s harmful effects. A promising path to minimize these effects is crystallization, offering a sustainable... where σ i is the supersaturation ratio of component i, c i is the concentration of …

Preparation of High-Purity Lead Chloride and Lead Oxide from Spent Lead Paste by Crystallization …

1778 Journal of Sustainable Metallurgy (2023) 9:1777–1789 1 3 Graphical Abstract Keywords Spent lead paste · Leaching · Crystallization · High-purity lead chloride · Lead oxide Introduction Lead-acid batteries (LABs) are widely utilized in …

Thermodynamic Properties of Evaporative Crystallization of High-Salt Wastewater …

Xi and others published Thermodynamic Properties of Evaporative Crystallization of High-Salt Wastewater ... of Na2SO4-NaCl-H2O from high saline water of lead-acid batteries was studied at ...

Lead-acid battery

Lead-acid battery

Preparation of High-Purity Lead Chloride and Lead Oxide from Spent Lead Paste by Crystallization …

Compared with conventional pyrometallurgical recycling, hydrometallurgical recycling offers distinct advantages by mitigating emissions of waste gas and lead-containing dust; however, it also encounters challenges in effectively eliminating metal impurities from spent lead paste. This study presents a novel hydrometallurgical …

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