From the perspective of recycling, waste lead-acid batteries have very objective utilization value. However, from the perspective of environmental protection, waste lead-acid batteries contain ...
WhatsAppDOI: 10.1021/acssuschemeng.9b07055 Corpus ID: 213138349 From Lead Paste to High-Value Nanolead Sulfide Products: A New Application of Mechanochemistry in the Recycling of Spent Lead–Acid Batteries The new low‐cost clean pre‐desulfation technology is ...
WhatsAppA cleaner pyrometallurgical lead-acid battery paste recycling process was proposed. • Lab-scale experimental and industrial pilot results confirm its feasibility. • Sulfur was fixed as FeS, which fundamentally avoided …
WhatsAppA green recycling process of discarded lead–acid battery paste, which could avoid both the smelting and electro-winning route has been developed and the results showed that the desulphurization efficiency of lead paste was up to 99.9%. In this study, a green recycling process of discarded lead–acid battery paste, which could avoid both …
WhatsAppThis study presents a clean process for recycling spent lead-acid battery paste. The lead in paste was recovered via hydrometallurgical leaching and …
WhatsAppRecycling 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). ... Many waste lead paste disposal technologies have been …
WhatsAppA new innovative process for one-step and cleaner extraction of lead from spent lead-acid battery by reductive sulfur-fixing smelting was presented. This paper summarized and discussed several potential sulfur-fixing agents and molten salts which can be used in this new technique. Thermodynamic analysis involving reaction mechanism, ∆G T and …
WhatsAppIn 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 …
WhatsAppA flow chart representing the recycling process is shown in Fig. 3.The impurities in spent lead paste were firstly removed via H 2 SO 4 leaching. Then PbO 2 was reduced to PbO with glucose as the reductant by hydrothermal reduction process and S was removed with NaOH by hydrothermal desulfurization process. Finally, lead ingot was …
WhatsAppLead-acid battery, lead, recycling, recovery, management, solid waste, mini-review 1 Department of Chemical and Materials Engineering, Hefei University, Hefei, China
WhatsAppRecycling lead from waste lead-acid batteries has substantial significance in environmental protection and economic growth. Bearing the merits of easy …
WhatsAppThe traditional sodium desulfurization process for waste lead-acid batteries is beneficial to the environment; however, it is limited by poor economic viability as the cost of desulfurizer is much higher than the value of desulfurization by-products. This study proposes a new closed-loop pre-desulfurization process for lead paste, which consumes …
WhatsAppIn this study, a method for determining the lead components in waste lead paste was proposed, using simulated and spent lead paste as research objects. To compare the effectiveness of different determining methods, we selected three methods for comparison and investigated the reasons for measurement deviation. The results indicate …
WhatsAppImproper handling of lead-acid battery waste poses severe risks to both the environment and human health. Here, we present a novel and short process for directly recycling metallic Pb from spent lead paste by chlorine slurry electrolysis and investigate the parameters that affect Pb recovery rate and cathodic current efficiency.
WhatsAppA cleaner pyrometallurgical lead-acid battery paste recycling process was proposed. Lab-scale experimental and industrial pilot results confirm its feasibility. …
WhatsAppThe paste from dismemberment of discarded lead-acid batteries contains mostly lead sulphate and lead oxide. Both can be solubilized with high yielding sodium hydroxide, the result being sodium ...
WhatsApp•. PbO with excellent electrochemical properties is obtained based on NaNO 3 recycling. •. A co-treatment way of lead paste and lead grid with low cost is …
WhatsAppSemantic Scholar extracted view of "Energy-saving recovery of lead from waste lead paste via in-situ hydrometallurgical reduction and electrochemical mechanism" by Puqiang He et al. ... The recycling of lead acid batteries (LABs) comprises relevant concerns on the suitable methodologies to recover lead.
WhatsAppLead-acid battery, lead, recycling, recovery, management, solid waste, mini-review 1 Department of Chemical and Materials Engineering, Hefei University, Hefei, China
WhatsAppA green recycling process of discarded lead–acid battery paste, which could avoid both the smelting and electro-winning route has been developed and the results showed that the desulphurization efficiency of lead paste was up to 99.9%. Expand
WhatsAppChina is the largest exporter and consumer of LABs, with averagely ∼3.03 million tons lead consumption annually (taking an average from the year of 2010–2012) (Zhang et al., 2016) is estimated that the 2.46 million tons secondary lead is generated in the form of spent LABs in 2014 order to facilitate recycling of such waste, two types of …
WhatsAppWaste lead storage battery is the most important recyclable lead material not only in various European and other OECD countries but also in China. Pollution control of lead has become the focus of people''s attention in …
WhatsAppThe secondary lead produced in the recovery process of the lead acid battery has gradually become the main source of lead in many regions of the world. More than 2/3 of the world''s refined Pb ...
WhatsAppThus, we employed NaNO 3 as a lead conversion agent to explore a low-cost and clean technology for synergistically recycling waste lead paste and lead grid. The flow diagram of this novel process is shown in Fig. 1, ... Recycling lead from waste lead-acid batteries has substantial significance in environmental protection and economic …
WhatsAppDOI: 10.1016/j.seppur.2023.123156 Corpus ID: 255677910; Recycling lead from waste lead-acid batteries by the combination of low temperature alkaline and bath smelting @article{Li2023RecyclingLF, title={Recycling lead from waste lead-acid batteries by the combination of low temperature alkaline and bath smelting}, author={Wenhua Li and …
WhatsAppLead-acid batteries (LABs) have become an integral part of modern society due to their advantages of low cost, simple production, excellent stability, and …
WhatsAppGiven the serious problems encountered in the smelting route for recycling lead lead-battery paste, several research, pilot scale and commercial methods using hydrometallurgical approach have been developed. ... Leaching/crystallization behaviour of PbSO 4 – the major component in the lead-battery waste – is reported in Part II …
WhatsAppAppropriate recycling technologies and the safe disposal of LABs (which contain approximately 65% lead) and lead-containing waste are, therefore, vital for the sustainable development of the lead industry. This paper gives an overview of the status of the
WhatsAppThe full hydrometallurgical recovery process is a reasonable choice for small- and medium-sized lead-recycling enterprises, with the preparation of battery material from waste lead paste through a ...
WhatsAppIn 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 pH of 5–6.
WhatsAppA facile method for the desulfuration of a waste lead-acid battery paste was proposed, in which tartaric acid-sodium tartrate was used as the leaching agent to yield lead tartrate [(C4H4O6) Pb ...
WhatsAppSonmez MS, Kumar RV (2009a) Leaching of waste battery paste components. Part 1: Lead citrate synthesis from PbO and PbO 2. Hydrometallurgy 95: 53–60. Crossref. Web of Science. Google Scholar. ... A Review on Recycling of Waste Lead-Acid Batteries. Go to citation Crossref Google Scholar.
WhatsAppThis article reviews recent studies on the recycling of spent lead paste and describes novel technologies. Although the pyrometallurgical process has been dominant in the secondary lead recycling processes, there has been growing pressure to achieve sustainable greener recycling methods to address the environmental pollution issues …
WhatsAppIn the recycling process of waste lead-acid battery paste, the traditional hydrometallurgical process of recovering α-PbO as a product presents the issues of the high concentration of alkali and the waste alkaline solution cannot be recycled.
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