An Emission-Free Vacuum Chlorinating Process for Simultaneous Sulfur
The treatment of waste lead paste is the key to the recycling of waste lead-acid battery [1].For the treatment of waste lead paste, the main technical methods used in the production process of
The refining of secondary lead for use in advanced lead-acid batteries
The technology has developed into a $52 billion industry worldwide [110], where over 90% of the feedstock is expended lead acid batteries while the rest is scrap lead from other lead applications
A review on the state of health estimation methods of lead-acid
The remainder of this paper is organized as follows. Section 2 summarizes the major causes of aging in lead-acid batteries and provides a mathematical definition of the battery SOH and SOC. Section 3 introduces the classification and characteristics of different SOH estimation methods for lead-acid batteries.
Removing antimony from waste lead storage batteries alloy by
DOI: 10.1016/j.jhazmat.2018.01.017 Corpus ID: 46758595; Removing antimony from waste lead storage batteries alloy by vacuum displacement reaction technology. @article{Liu2018RemovingAF, title={Removing antimony from waste lead storage batteries alloy by vacuum displacement reaction technology.}, author={Tiantian Liu and Ke-qiang Qiu},
Battery Restoration Methods for Lead Acid Batteries
It was a long wait for roadside assistance, but it got me thinking about battery restoration methods for lead acid batteries. Let''s dive into this topic and explore how to bring those old batteries back to life! Understanding Lead Acid
(PDF) Cleaner Recycling of Spent Lead-Acid Battery
This study proposes a cleaner lead-acid battery (LAB) paste and pyrite cinder (PyC) recycling method without excessive generation of SO2. PyCs were employed as sulfur-fixing reagents to conserve
Recycling lead from waste lead-acid batteries by the
Lead-acid batteries (LABs) which further confirmed the robust performance of our method on lead recovery (the purity of metallic lead was higher than 99% and less than 1% lead remained in the slag). Spent Lead-Acid Battery Recycling via Reductive Sulfur-Fixing Smelting and Its Reaction Mechanism in the PbSO 4-Fe 3 O 4-Na 2 CO 3-C System
What are the methods for removing sulfur from lead-acid batteries
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of SO2 generation.
Recovery of lead from lead paste in spent lead acid battery by
Although lead recovery from spent lead acid batteries is carried out by pyrometallurgical processes which comprise over 90% of the recovery technology, decomposition of lead sulfate needs high carbothermic reduction temperature of over 1000 °C, causing environmental problems due to the emission in the atmosphere of lead particulates (30–50
Spent Lead-Acid Battery Recycling via Reductive Sulfur-Fixing
An innovative and environmentally friendly lead-acid battery paste recycling method is proposed. The reductive sulfur-fixing recycling technique was used to
Recycling of Spent Lead-Acid Battery for Lead Extraction with
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of
Pollution-free recycling of lead and sulfur from spent lead-acid
Against this background, sodium carbonate (Na 2 CO 3) was proposed as a low-cost, safe, and non-toxic reagent for recycling the high-risk environmental elements lead (Pb)
Process for the recovery of sulphur from lead-acid battery scrap
The process comprises (a) breaking the batteries to remove the acid, (b) separating the plastic from the lead bearing materials, (c) smelting the lead bearing materials
Electrolytic Method for Recovery of Lead From Scrap Batteries
smelters is in the form of scrap lead-acid batteries. The lead metal and the sludge are separated from the case and the electrolyte and are smelted at high temperatures in a reverberatory or blast furnace (8).3 Emissions of lead and sulfur oxide fumes during pyrometallurgical smelting are
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 the regeneration of waste lead-acid battery (LABs). However, these processes are generally operated at the temperature higher than
Battery Reconditioning Ultimate Guide
How do car batteries work? The main types of lead-acid battery are flooded (wet), AGM and gel. Lead-acid batteries are made up of 6 cells. Each cell provides 2.13V and when fully charged
US4340421A
A process for recovering lead from scrap lead-acid batteries comprises smelting whole unbroken batteries in a blast furnace having a configuration which minimizes the amounts of flue dust produced. The volatile organic material produced by the combustion of the battery cases and separators and entrained in the furnace exhaust gases are ducted to an after-burner and
Cleaner Recycling of Spent Lead-Acid
This study proposes a cleaner lead-acid battery (LAB) paste and pyrite cinder (PyC) recycling method without excessive generation of SO2. PyCs were employed as sulfur-fixing
CN101994007B
The invention relates to a method for removing sulfur from waste lead-acid storage battery gypsum mud by using magnesium chloride, which is characterized by comprising the following steps...
Lead Acid Battery Recycling
Of the two methods of sulfur capture in lead–acid battery recycling, the pyrometallurgical method is more common. In this process, sulfur-capture is accomplished in a two-stage process. Sulfur dioxide is first produced via a carbothermic reduction of PbSO 4 and the subsequent sulfur-capture is accomplished by scrubbing SO 2. Sulfur dioxide is
Application of a Sulfur Removal Hydrometallurgical Process in a
At the smelting step, named pyro-metallurgical process, the lead compounds are reduced to me-tallic lead by smelting the battery paste (i.e. lead oxides with a small amount of lead sulfate)
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
Battery Desulfation Methods
This battery desulfation method involves cracking the battery open, using a syringe to drain some of the lead-acid, replacing the removed acid with a saturated solution of Epsom salts and
Spent Lead-Acid Battery Recycling via Reductive Sulfur
An innovative and environmentally friendly lead-acid battery paste recycling method is proposed. The reductive sulfur-fixing recycling technique was used to simultaneously extract lead and immobilize sulfur. SO2 emissions and pollution were significantly eliminated. In this work, the detailed lead extraction and sulfur-fixing mechanisms in the PbSO4-Fe3O4
Process for recycling lead-acid batteries
A process for recovery of substantially all the sulfur in a spent lead-acid battery as Na 2 SO 4 is disclosed. The process comprises (a) breaking the batteries to remove the acid, (b) separating the plastic from the lead bearing materials, (c) smelting the lead bearing materials in a reverberatory furnace in an oxidizing atmosphere to volatilize most of the sulfur in the feed as SO 2, (d
The refining of secondary lead for use in advanced lead-acid batteries
The Advanced Lead Acid Battery Consortium (ALABC) has funded Dr. Lan Lam''s group [4] at CSIRO in Australia to investigate the role of various common contaminants in lead on the gassing of lead-acid batteries. This is an important issue in lead-acid batteries as the production of gas, i.e. hydrogen and oxygen, within the battery leads to water loss and rapid
Technical guidelines for the environmentally sound management
Sound Management of Waste Lead-acid Batteries BASEL CONVENTION 5.2.1.4. Sulfur Dioxide (SO2) Elimination wrote that lead could be used for the removal of scars, as a liniment, or as an ingredient in plasters for ulcers and the eyes, among other health applications. Romans also knew the resistance of the
Lead Acid Battery Sulfation Removal: Effective Methods To
How Effective Are Different Methods for Lead Acid Battery Sulfation Removal? Different methods for lead acid battery sulfation removal show varying degrees of effectiveness. Common methods include desulfation chargers, pulse charging, and chemical additives. Each method targets sulfate buildup on lead plates differently.
CA2348494A1
The process comprises (a) breaking the batteries to remove the acid, (b) separating the plastic from the lead bearing materials, (c) smelting the lead bearing materials in a reverberatory...
Application of a Sulfur Removal Hydrometallurgical
At the light of these results, a combination of hydrometallurgical and pyro-metallurgical processes in the recycling of lead-acid batteries can be used to reduce the environmental impact of these
Removing antimony from waste lead storage batteries alloy by
Fig. 3a and b give the XRD of anode and cathode lead paste. After being calcined at 500 C, PbO 2 and decomposition of PbCO 3 converted the cathode material into lead oxide (PbO) (as shown in Fig
Application of a Sulfur Removal Hydrometallurgical Process in a Lead
Lead-acid batteries belong to a group of commercial products that can become a potential hazardous waste after their use. Lead recovery from lead-acid batteries is the type of business that combines environmental protection and economic profits. The largest component of the lead-acid battery is the so-called metallic
A novel approach to recover lead oxide from spent lead acid batteries
The consumption of lead reached 0.35 million tons all over the world in 2019, of which about 80% came from the lead acid batteries (He et al., 2019).Lead acid batteries are energy storage devices with the advantages of low cost, stable voltage and large discharge capacity (Pan et al., 2013; Tian et al., 2015).They are widely used in transportation,
(PDF) Spent Lead-Acid Battery Recycling via
This study proposes a cleaner lead-acid battery (LAB) paste and pyrite cinder (PyC) recycling method without excessive generation of SO2. PyCs were employed as sulfur-fixing reagents to conserve
Basel Convention Environmentally Sound Management of Lead
There are three main methods to remove sulfur during the recycling of lead acid batteries: hydrometallurgical processing, pre-treatment of feedstock before furnace processing, and
Recycling of Spent Lead-Acid Battery for Lead Extraction with Sulfur
This study proposed a cleaner pyrometallurgical lead-acid battery (LAB) recycling method for lead extraction and sulfur conservation without an excessive amount of SO2 generation.
6 FAQs about [Methods for removing sulfur from lead-acid batteries]
Can a cleaner pyrometallurgical lead-acid battery recycling system reduce SO2 generation?
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.
Can lead-acid battery paste be recycled?
An innovative and environmentally friendly lead-acid battery paste recycling method is proposed. The reductive sulfur-fixing recycling technique was used to simultaneously extract lead and immobilize sulfur. SO 2 emissions and pollution were significantly eliminated.
Can reductive sulfur-fixing recycling be used to extract lead from lab paste?
Effective lead extraction from LAB paste by a reductive sulfur-fixing recycling technique was shown to be feasible, thermodynamically and experimentally. The reaction mechanism investigations revealed that the presence of Na 2 CO 3 helped to transform SO 3 from PbSO 4 to Na 2 SO 4 at low temperatures and in weakly reductive atmospheres.
Can a reductive sulfur-fixing smelting process be used to recycle lab paste?
The feasibility and reliability of the proposed reductive sulfur-fixing smelting process for lead recovery and sulfur conservation from scrap LAB paste were confirmed. Fe 2 O 3 -containing materials, such as hematite, pyrite cinder, 26 and jarosite residue, can be used as sulfur-fixing agents to recycle LAB paste in a reducing atmosphere.
What is the purity of a lead-acid battery?
Primary recoveries of 96.2% for lead and 98.9% for sulfur were obtained. The purity of the crude lead bullion was 98.6 wt.%. Sulfur was fixed in the solidified matte as FeS and NaFeS 2. Spent lead-acid batteries (LABs) are widely scrapped from automobiles and electric bicycles in urban areas.
Are scrap labs a secondary lead source?
As a result, scrap LABs have become a significant secondary lead source worldwide. 1 Secondary lead produced by recycling is gradually dominating the world’s lead market. 4 Typically, a spent LAB consists of four components: waste electrolyte (11–30%), polymeric materials (22–30%), lead alloy grids (24–30%), and lead paste (30–40%).
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