Analysis of lead-acid battery desulfurization process
A novel approach to recover lead oxide from spent lead acid
In this paper, a novel approach to recover PbO from lead pastes of spent lead acid batteries by desulfurization and crystallization in sodium hydroxide (NaOH) solution after
Recycling lead from waste lead-acid batteries by the
Based on the results presented in thermodynamic analysis and low-temperature smelting process, an integrated flowsheet was proposed for the recovery of lead from waste lead-acid batteries at the scale of 200, 000 tons annually since 2019 (Fig. 7). The whole production line mainly included raw materials process, smelting process and gas treatment process. In raw
Malak, D. (2010) Comparative Analysis Processes for
Malak, D. (2010) Comparative Analysis Processes for Desulphurization of Battery Paste. MSc Thesis. (In Polish) has been cited by the following article: TITLE: Application of a Sulfur
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 K in choline chloride-urea
The Recovery of Lead from Spent Lead Acid Battery Paste by
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 K in choline chloride
Review on clean recovery of discarded/spent lead-acid battery
Bibliometric analysis of recovery of spent lead-acid battery based on recent publications from 1987 to 2018 shows that the organic acid leaching-calcination process is the most frequently published technology in hydrometallurgical processes, meanwhile leady oxide and lead oxide are the most recovered products. Previous article in issue; Next article in issue;
Analysis of a more sustainable method for recycling waste lead
Lead-acid batteries (LABs) A 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. 9. Save. A novel process combined with flue-gas desulfurization technology to reduce
A novel process combined with flue-gas desulfurization
Semantic Scholar extracted view of "A novel process combined with flue-gas desulfurization technology to reduce lead dioxide from spent lead-acid batteries" by Ma Yang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar''s Logo. Search 223,380,332 papers from all fields of science. Search. Sign In Create Free Account.
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. On the basis of the analytical results of lead (Pb) and lead dioxide (PbO2) contents in the scrap lead paste, a certain amount of
Method for desulphurization of battery paste
The invention relates to a method of desulphurizing battery paste in the process of recycling lead-acid batteries. The paste desulphurizing stage of the method according to the invention is carried out in an aqueous solution of a defined amine or of a mixture of polyamines, wherein the said solution is saturated with carbon dioxide to remove the remainder of calcium from the solution
Environmental Impact Assessment of the Dismantled Battery:
Environmental effects for disposing of one ton of WPBs under different types of energy supply. As can be seen from Figure 6, different energy types cause different variations in each indicator.
Recovery of lead from lead paste in spent lead acid battery by
A compatible environmental process consisted of hydrometallurgical desulfurization and vacuum thermal reduction to recycle lead was investigated in this
Novel recycling process for lead-acid battery paste without SO2
Phase transformation mechanism in the reductive sulfur-fixing process of lead acid battery paste recycling. Lead acid battery recycling and material flow analysis of lead in Korea. J. Mater. Cycles Waste Manag., 20 (2017), pp. 1348-1354. Google Scholar. Karandikar, 2015. A.S.P.B. Karandikar. Review on desulfation of lead-acid battery for HEV. International
Analysis of a more sustainable method for recycling waste lead
The 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
Recovery of lead from lead paste in spent lead acid battery by
There are four main components in spent lead acid battery: polymeric containers, lead alloy grids, waste acids and pastes. Among them, the pastes mainly comprise lead oxide (∼9%), lead dioxide (∼28%), lead sulfate (∼60%) and a small amount of lead (∼3%) (Zhu et al., 2012a) monly, lead from battery scrap has been smelted in blast furnace, electric furnace,
A green lead hydrometallurgical process based on a
Here we demonstrate a new green hydrometallurgical process to recover lead based on a hydrogen-lead oxide fuel cell. High-purity lead, along with electricity, is produced with only water as...
废铅酸蓄电池铅膏铵法预脱硫过程的动力学分析
通过分析反应过程中PbSO 4 转化率随时间的变化关系,考察了搅拌速度、反应温度及NH 4 HCO 3 浓度对铅膏脱硫转化的影响；利用固液多相反应的收缩核模型,分析了反应的动力学过程,并计算了反应的表观活化能及表观反应级数。
Efficient Desulfurizer Recycling during Spent Lead–Acid Batteries
Recycling of spent lead-acid batteries (LABs) is extremely urgent in view of environmental protection and resources reuse. The current challenge is to reduce high consumption of chemical reagents. Herein, a closed-loop spent LABs paste (SLBP) recovery strategy is demonstrated through Na 2 MoO 4 consumption-regeneration-reuse. Experimental
Recovery of lead from lead paste in spent lead acid battery by
Reclaimed silica from spent lead-acid battery separator was exploited by pyrolysis process to avoid further extraction of raw materials and energy-consuming methods and was mixed with ultra-high
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
Research on process modeling and simulation of spent lead paste
In the reaction process of carbonate desulfurization lead paste, the produced PbCO 3 is easily wrapped in the outer periphery of PbSO 4 to form a product layer, hindering the mass transfer process. Therefore, it is necessary to break the PbCO 3 product layer. In this work, the rotor stator-reinforced reactor was selected as the enhanced desulfurization reactor for the
A novel approach to recover lead oxide from spent lead acid batteries
The 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
An environment-friendly strategy for recovery of α-PbO from spent lead
Global lead consumption increased from 7,297 kilotonnes in 2004 to 11,545 kilotonnes in 2020, with 85 % manufacturing of lead-acid batteries (LABs) [1], [2].The LABs will seriously threaten the environment and human health if they are not properly treated after disposal [3].Meanwhile, waste LABs are essential raw materials for secondary lead production.
Preparation of basic lead oxide from spent lead acid battery
In this process, spent lead acid battery paste was treated with aqueous citric acid solution to generate a lead citrate precursor which was separated from soluble sulfate solution (Sonmez and Kumar, 2009a, Sonmez and Kumar, 2009b). Lead could be recovered as ultra-fine lead oxide powder after calcination of lead citrate precursors (Zhu et al., 2010). However, the
Analysis of a more sustainable method for recycling waste lead
The 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 only lime as the indirect desulfurizer,
A new desulfation process of spent lead paste via cyclic utilization
A novel approach to recover lead oxide from spent lead acid batteries by desulfurization and crystallization in sodium hydroxide solution after sulfation . Resour. Conserv. Recycl. (2021) L. Li et al. Lead citrate precursor route to synthesize nanostructural lead oxide from spent lead acid battery paste. Mater. Res. Bull. (2013) M. Li et al. Review on clean
Efficient Desulfurizer Recycling during Spent Lead–Acid Batteries
Recycling of spent lead-acid batteries (LABs) is extremely urgent in view of environmental protection and resources reuse. The current challenge is to reduce high
A new pre-desulphurization process of damped lead battery
A new pre-desulfurization process of damped lead battery paste sodium carbonate based on This study presents a clean process for recycling spent lead-acid battery paste. The lead in paste was recovered via hydrometallurgical leaching and electrowinning in chloride solution. The leaching ratio of lead was >99% under optimum conditions: temperature
How To Desulfate A Battery
Sulfation is a natural chemical process that occurs when lead sulfate crystals build up on the surface of a lead-acid battery''s electrodes during use. This buildup happens because the chemical reactions that produce electricity in the battery also produce lead sulfate crystals, which can accumulate over time. The buildup of lead sulfate crystals can reduce the
废铅酸蓄电池铅膏铵法预脱硫过程的动力学分析
ZOU Weizhao, HUANG Yan, ZHANG Junfeng, LI Wenhao. Kinetic analysis of pre-desulfurization process with ammonium bicarbonate method from lead paste in waste lead-acid batteries[J]. Chinese Journal of Environmental Engineering, 2020, 14(3): 772-779. doi: 10.12030/j.cjee.201905105
A novel process combined with flue-gas desulfurization technology
They have the dual characteristics of resource and harm, making the recovery an important subject. In this paper, a novel approach to recover lead oxide from spent lead acid batteries by desulfurization and crystallization in sodium hydroxide solution after sulfation was proposed. During sulfation process, 85% sulfuric acid (17.786 g sulfuric
6 FAQs about [Analysis of lead-acid battery desulfurization process]
How much desulfurizer is required for sodium-calcium double alkali lead paste slurry?
Hence, based on the minimum specific gravity of industrial lead paste slurry, the concentration of desulfurizer required for sodium-calcium double alkali lead paste desulfurization was estimated to be at least 2.32 mol/L. 3.2. Mechanism of a novel process of lead paste pre-desulfurization
Is there a recycling method for waste lead acid batteries?
A new atom-economical method for the recovery of wasted lead-acid batteries in the production of lead oxide, CN Patent, 201310084392.X (2013). Pan, J., Song, S., Sun, Y. & Niu, Y. A recycling method of waste lead acid batteries for the directly manufacturing of high purity lead oxide.
How to desulfurize lead paste by regenerated alkali?
The desulfurization of lead paste by regenerated alkali was as follows: (i) desulfurization was conducted by adding waste lead paste to a beaker containing a certain volume of regenerated NaOH solution and stirred. (ii) After the desulfurization reaction was complete, filter residue and filtrate were obtained by vacuum filtration.
What is a new process of lead recovery from waste lead-acid batteries?
Pan JQ, Zhang C, Sun YZ, Wang ZH, Yang YS (2012) A new process of lead recovery from waste lead-acid batteries by electrolysis of alkaline lead oxide solution. Electrochem Commun 19:70–72 Xing P, Wang C, Wang L (2019) Hydrometallurgical recovery of lead from spent lead-acid battery paste via leaching and electrowinning in chloride solution.
What is a direct desulfurizer for lead paste?
NaOH was used as the direct desulfurizer for lead paste, and lime was used to regenerate NaOH from the mother liquid at sufficient concentrations for desulfurization.
What is the recovery of lead from spent lead acid battery paste (SLP)?
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.
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