Mass fraction of sulfuric acid in battery waste liquid
Safety Data Sheet
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Recovery of Lithium from Oxalic Acid Leachate Produced from Black Mass …
1 · Recovery of Lithium from Oxalic Acid Leachate Produced from Black Mass of Spent Electric Vehicle Li-ion Batteries. ... 98%), hydrochloric acid (HCl, 37%), sulfuric acid (Emsure 98%, H 2 SO 4), ... Novel approach to recover cobalt and lithium from spent lithium-ion battery using oxalic acid. Journal of Hazardous Materials, 295 (2015), ...
Current Trends in Spent Portable Lithium Battery Recycling
Using sulfuric acid without the addition of hydrogen peroxide, maximum cobalt yields of 50–60% can be achieved from the active mass of the spent portable LiBs …
Safety Data Sheet
PS-HTR-ST-43-E_Lead Acid Battery SDS US Version #: 04 Issue Date: 04/01/2015 ... Sulfuric Acid 7664-93-9 34 Lead Sulfate 7446-14-2 <1 ... Waste Disposal Method Dispose of as a hazardous waste. Dispose of in accordance with applicable local, state and federal
Solved A waste material from pollution control, containing
Question: A waste material from pollution control, containing copper oxide, underwent a leaching process with sulfuric acid, resulting in a slurry with a pulp density of 2.20 and mass fraction of solid equal to 61.54%. The concentration of CuSO4 in the solution phase of the slurry was measured to be 0.160 .
Leaching of electrodic powders from lithium ion batteries
Experimental results of leaching tests using waste fractions obtained by mechanical pretreatment of lithium ion batteries (LIB) were reported. ... Solid/liquid ratios and sulfuric acid concentrations were changed according to factorial designs at constant temperature (80°C). ... (1.1M). Using the same solid/liquid ratio, +100% acid excess (1 ...
Lithium and Cobalt Recovery from Lithium‐Ion Battery …
Li and Co recovery: Spent lithium-ion batteries can represent a source of critical raw materials. Here, the feasibility of the recovery of Li and Co through liquid-liquid extraction exploiting the 3 …
Study on Ultrasonically-Enhanced Sulfuric Acid Leaching of …
In this paper, nickel-containing residue, a typical solid waste produced in the battery production process, was used to study the cavitation characteristics of ultrasonic waves in a liquid–solid reaction. The ultrasonically-enhanced leaching technology for multicomponent and complex nickel-containing residue was studied through systematic …
Sulfuric acid leaching of metals from waste Li-ion batteries …
These were performed using sulfuric acid as a leaching agent, and parameters such as solid/liquid ratio (S/L), acid concentration, temperature, and time were studied. The S/L ratios were determined from the ratio between the mass of active materials in the batteries and the volume of sulfuric acid used (g of battery sample: mL of acid). 2.
Solved An equimolar liquid mixture of benzene and toluene is
An equimolar liquid mixture of benzene and toluene is separated into two product Two aqueous sulfuric acid solutions containing 20wt%H2SO4 (density =1.139 kg/m3 ) and 60wt%H2SO4( density =1.498 kg/m3 ) are mixed to form a 4.0 molar solution ( density =1.213 kg/m3). (a) Calculate the mass fraction of sulfuric acid in the product solution.
Case study for enhancing concentration of waste dilute sulfuric acid …
Moreover, in 2019, the waste sulfuric acid output of Chinese industry had reached about 90.2 Mt, which accounted for 95.2% of waste acid output, but the recovery rate of waste acid is about 36%, it is estimated that the recovery of industrial waste sulfuric acid in China will reach about 42Mt by 2025, as a result, the quantity increase of ...
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 SO2 generation. A reducing atmosphere was introduced to the lead paste recycling system to selectively reduce PbSO4 to PbS. At the same time, PbO and PbO2 components …
Batteries | Free Full-Text | A Review of Lithium-Ion …
In the leaching process, various chemical reagents, such as acids or alkalis, are used to dissolve the metal ions from the battery waste. Acid leaching is a commonly used method for recovering …
H2SO4 (Sulfuric Acid) Molar Mass
The first step to finding the molar mass of Sulfuric Acid is to count the number of each atom present in a single molecule using the chemical formula, H2SO4: Element ... To find the mole fraction and percentage of each element in H2SO4, divide each total from step 3 by the total molar mass found in step 4: Mole Fraction Percent; H (Hydrogen)
High-Value Recovery of the Iron via Solvent Extraction from Waste ...
A significant amount of iron from the waste nickel-cadmium (Ni-Cd) battery sulfuric acid leachate seriously hinders the separation and recovery of nickel and cadmium. Therefore, an efficient and economical way to remove iron from this leachate is desired. This paper demonstrated the efficient iron extraction from a simulated Ni-Cd …
Mass fraction (chemistry)
In chemistry, the mass fraction of a substance within a mixture is the ratio (alternatively denoted ) of the mass of that substance to the total mass of the mixture. [1] Expressed as a formula, the mass fraction is: =. Because the individual masses of the ingredients of a mixture sum to, their mass fractions sum to unity: = = Mass fraction can also be …
Circulation of Sodium Sulfate Solution Produced During NiMH …
In NiMH battery waste leaching experiments, sulfuric acid has often been employed as a lixiviant [2–5]. The key advantages of sulfuric acid are its stability and cost-effectiveness compared to other mineral acids such as HCl and HNO 3. However, the usage of sulfuric acid in NiMH battery waste leaching poses simulta-
Research on the recycling of waste lithium battery electrode …
Theoretical calculations suggest that a 1:1 mass ratio of ammonium sulfate to discarded lithium-ion battery electrode materials is adequate for complete reaction …
Comprehensive Guide to Sulfuric Acid: Uses, Handling, Safety, …
Sulfuric acid, often hailed as the ''king of chemicals'', holds an irreplaceable role in various industrial and everyday applications s influence extends across numerous sectors, demonstrating a versatility that makes it a cornerstone in the chemical industry. For chemical engineers, the substance is a fundamental aspect of processes …
XRD pattern of the residue after sulfuric acid leaching.
(a) Conventional: mass fraction of sulfuric acid = 15%, particle size = −150 µm, solid-liquid ratio = 1:7, temperature = 25 • C, stirring speed = 150 rpm, leaching time = 80 min; (b ...
Processes of Manufacture of Sulfuric Acid | SpringerLink
Process description for sulfuric acid 98.5% plant (commercial grade) A typical sulfuric acid plant operating on sulfur as the main raw material consists of the following main sections: 1. Sulfur feeding section. 2. Waste heat recovery section. 3. SO 2 conversion section. 4. Acid towers section. 5. Acid cooling and storage/handling section. 6.
Selective reductive leaching of cobalt and lithium from industrially ...
Inorganic lixiviants such as sulfuric acid [7, 11], nitric acid [12], hydrochloric acid [13], and phosphoric acid [14] are commonly combined with a reductant, e.g., hydrogen peroxide to dissolve ...
Recovery of Lithium from Waste LIBs Using Sulfuric Acid ...
Results (Fig. 1) show that conversion of lithium oxide to lithium sulfate increases as the ratio of sulfuric acid with respect to black mass at 750 °C in 120 min. …
Case study for enhancing concentration of waste dilute sulfuric acid …
The mass fraction of sulfuric acid and water in the sample was calculated by equations (7–10) according to analysis results(as shown in Fig. 8 (a) and Fig. 9 (a) respectively), meantime, the mole fraction variety of water and sulfuric acid in liquid phase also given(as shown in Fig. 8 (b) and Fig. 9 (b) respectively).
The transformations of cellulose after concentrated sulfuric acid ...
Sulfuric acid (H 2 SO 4) AR grade was purchased from Sinopharm Group (Shanghai, China). All chemicals were used as received. Sulfuric acid treatment of cellulose. The treatment of cellulose with sulfuric acid was performed at room temperature. According to pre-experiments, sulfuric acid with a mass fraction of 72% was chosen to …
Sulfuric acid leaching of ferronickel and preparation of precursor ...
On the other hand, the hydrometallurgy methods mainly comprises reduction roasting and ammonia leaching (Caron) process and high-pressure sulfuric acid leaching (HPAL) process [13], [14], [15], the products including nickel hydroxide, cobalt hydroxide, nickel sulfide, cobalt sulfide etc. are predominantly employed for battery-grade nickel and ...
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