The method has been successfully used in industry production. Recycling lead from waste lead-acid batteries has substantial significance in environmental protection and economic growth. Bearing the merits of easy operation and large capacity, pyrometallurgy methods are mostly used for the regeneration of waste lead-acid battery (LABs).
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of SO 2 generation. A reducing atmosphere was introduced to the lead paste recycling system to selectively reduce PbSO 4 to PbS.
The removal efficiency of lead was increased after using a carbonation step with 68% for quicklime and 69% for slaked lime. The carbonation process not only enhanced the lead removal efficiency in the battery wastewater but also reduced pH to meet requirements of environmental regulations.
Lead-acid batteries (LABs) have been undergoing rapid development in the global market due to their superior performance , , . Statistically, LABs account for more than 80% of the total lead consumption and are widely applied in various vehicles .
Multiple requests from the same IP address are counted as one view. 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 lead were successfully removed using the precipitation method.
The recovery efficiency of lead from lead paste increased and then reached maximum value of 93.2%, as the reductant dosage was increased from 8% to 12%. Therefore, the reductant dosage of 10% was chosen for the subsequent experiments. Reduction time is another parameter that affect lead paste reduction process.
A prediction method for voltage and lifetime of lead–acid battery …
As of today, common rechargeable batteries are lead–acid battery series and lithium-ion battery series. The earliest lead–acid batteries and lithium-ion batteries were proposed in 1859 (Kurzweil, 2010) and 1976 (Whittingham, 1976), respectively the past records, lithium-ion batteries have caused many explosions due to improper use and improper circuit design, …
A new lead-acid battery state-of-health evaluation method using ...
In this paper, a new fast and reliable method for evaluating SoH of batteries at lower SoC is presented and evaluated. This new method, named CdS-based method, uses the EIS spectrum Section 3, equipment for the experiment is presented and Section 4 explains the equivalent circuit used for parameter extraction. A further approach for extracting parameters …
(PDF) Sustainable Treatment for Sulfate and Lead Removal from Battery …
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 lead were successfully removed using the...
Recycling of Spent Lead-Acid Battery for Lead Extraction
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of SO 2 generation. A reducing atmosphere was introduced to the lead paste recycling system to selectively reduce PbSO 4 to PbS.
Ultra‐Fast Recyclable and Value‐Added Desulfation Method for Spent Lead ...
In summary, we propose an ultra-fast recyclable and value-added desulfation method for spent lead paste via dual intensification processes in which two newly introduced RLFRs for the enhancement of the desulfation process of spent lead paste and sulfation process of lime and mother liquor. The systematic investigation of the dual ...
(PDF) Sustainable Treatment for Sulfate and Lead …
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 lead were successfully removed using the...
Chemical-Free Method for Recovery of Lead from Spent Lead
Poisonous wastes, including lead slag, mattes, acidic sludge, particulates, and emissions of airborne gases, are primary industrial wastes related to the lead-acid battery industry. Herein, the phase conversion technique for PbO2/PbSO4 components and impurity contents of spent lead paste were studied. The reductive sulfur fixation technique was …
Revitalizing lead-acid battery technology: a comprehensive …
Initial findings suggest that electroacoustic charging could revitalize interest in LAB technology, offering a sustainable and economically viable option for renewable energy storage. The review...
Preparation of High Purity Lead Oxide from Spent Lead Acid Batteries ...
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 conversion, desulfurization, and recrystallization processes in sequence.
Recycling of lead from spent lead-acid battery by vacuum reduction …
As a result, the demand for lead-acid batteries is also growing rapidly, which leads to a lot of spent lead acid batteries annually in China (Fu et al., 2007, Lin and Qiu, 2011, Ma, 2000). Lead in waste lead-acid batteries will do great harm to the environment and human health if not properly disposed of ( Chen et al., 2012, Kuijp et al., 2013, Soundarrajan et al., …
State of Charge Estimation Method of Lead-Acid Battery Based …
In 1882, J. H. Gladstone and A. Tribe proposed the "bipolar sulfuric acid salinization theory", which could perfectly explain the internal electrochemical reactions of lead-acid batteries, replacing the earlier "oxidation-reduction'' theory, and was widely recognized. According to this theory, the chemical equation of battery charging is defined as follows.
Ultra‐Fast Recyclable and Value‐Added Desulfation …
In summary, we propose an ultra-fast recyclable and value-added desulfation method for spent lead paste via dual intensification processes in which two newly introduced RLFRs for the enhancement of the desulfation …
Method of making a paste composition for lead acid …
The cured negative material comprising tribasic lead sulfate crystals is converted by electrochemical reduction to sponge lead under the influence of the expander during formation step 130. FIGS. 3-6 provide flow …
Recycling of Spent Lead-Acid Battery for Lead Extraction ...
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of …
Chemical-Free Method for Recovery of Lead from Spent Lead
By implementing this novel technique, the study seeks to optimize the recovery of lead oxide from SLP in a more environmentally friendly and economically viable manner. To …
Emerging Electrochemical Techniques for Recycling Spent Lead
Spent lead paste (SLP) obtained from end-of-life lead-acid batteries is regarded as an essential secondary lead resource. Recycling lead from spent lead-acid batteries has been demonstrated to be of paramount significance for both economic expansion and environmental preservation. Pyrometallurgical and hydrometallurgical approaches are proposed to recover …
Frontiers | Revitalizing lead-acid battery technology: a …
This comprehensive review examines the enduring relevance and technological advancements in lead-acid battery (LAB) systems despite competition from lithium-ion batteries. LABs, characterized by their extensive …
Recycling of lead from spent lead-acid battery by vacuum reduction …
In this paper, a novel method for regenerating lead paste, by vacuum reduction reaction coupling with separation of Pb-Sb alloy, was developed. In this process, antimony from Pb-Sb alloy is used to reduce desulfurized lead paste into lead under vacuum, while it is oxidized into volatile Sb 2 O 3 as by-product.
Revitalizing lead-acid battery technology: a comprehensive review …
Initial findings suggest that electroacoustic charging could revitalize interest in LAB technology, offering a sustainable and economically viable option for renewable energy …
Recycling lead from waste lead-acid batteries by the …
Recycling lead from waste lead-acid batteries has substantial significance in environmental protection and economic growth. Bearing the merits of easy operation and large capacity, pyrometallurgy methods are mostly used for …
Chemical-Free Method for Recovery of Lead from Spent Lead
By implementing this novel technique, the study seeks to optimize the recovery of lead oxide from SLP in a more environmentally friendly and economically viable manner. To solve the above issues, this study aims to develop a novel technique to convert SLP into lead oxide products using a chemical-free method.
Recycling lead from waste lead-acid batteries by the …
Lead-acid batteries (LABs) have been undergoing rapid development in the global market due to their superior performance [1], ... Less than 1.0% of the lead was remained in the end reduction slag. This established method has been successfully applied for the industrial recovery of lead at the scale of 200, 000 tons annually since 2019, and more than 99% of lead …
Sustainable Treatment for Sulfate and Lead Removal from Battery …
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 lead were successfully …
BU-804: How to Prolong Lead-acid Batteries
Explore what causes corrosion, shedding, electrical short, sulfation, dry-out, acid stratification and surface charge. A lead acid battery goes through three life phases: formatting, peak and decline (Figure 1) the …
Time Reduction of Deep Cycle Lead Acid Battery Negative Plate Curing ...
Curing process of positive and negative pasted plate is a vital time consuming stage of lead acid battery manufacturing process. In this stage, active material converts into a cohesive, porous ...
Preparation of High Purity Lead Oxide from Spent Lead …
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 conversion, desulfurization, and recrystallization …
Frontiers | Revitalizing lead-acid battery technology: a …
This comprehensive review examines the enduring relevance and technological advancements in lead-acid battery (LAB) systems despite competition from lithium-ion batteries. LABs, characterized by their extensive commercial application since the 19th century, boast a high recycling rate. They are commonly used in large-scale energy storage and as ...
Sustainable Treatment for Sulfate and Lead Removal from Battery …
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 lead were successfully removed using the precipitation method. The structure of quicklime, slaked lime, and resultant residues were measured by X-ray diffraction. The obtained results show that ...