Bioassays, as an addition to physico-chemical water quality evaluation, can provide information on the toxic effects of pollutants present in the water. In this study, a broad evaluation of environmental health risks from industrial wastewater along the Yangtze River, China, was conducted using a battery of bioassays. Toxicity tests showed that the wastewater …
In the process of treatment, the decomposition of organic matter in the battery will produce hydrogen fluoride (HF) harmful gas, which is not environmentally friendly. Therefore, it is necessary to increase the purification and recycling equipment to absorb and purify the harmful gas to prevent secondary pollution.
Hu et al. investigated the mechanical and thermal treatment of two types of spent batteries under nitrogen atmosphere under constant temperature conditions of 20 °C, 120 °C, 200 °C, and 400 ° C, and proposed possible strategies to reduce the risks associated with gas formation during the recovery process.
Currently, the number of LIBs worldwide is growing exponentially, which also leads to an increase in discarded LIBs. Spent lithium-ion batteries (S-LIBs) contain valuable metals and environmentally hazardous chemicals, necessitating proper resource recovery and harmless treatment of these S-LIBs.
With a large number of lithium-ion batteries entering the market, the issue of recycling and reuse of used lithium-ion batteries has likewise grown up to be major challenge for the industry. In the process of spent lithium-ion batteries (S-LIBs), pre-treatment has become a key factor to dispose of larger scale spent power battery cathode materials.
Currently, the combined use of hydrometallurgy and pyrometallurgy as a new recycling process has been widely reported, but further in-depth research is still needed. In the process of recycling batteries, Sony Corporation (Japan) employs a combined technique of hydrometallurgy and pyrometallurgy (Meng et al., 2021).
After discharging and disassembling the defective batteries, the physical structure of the cathode binder was destroyed under ball-milling cycle stress, and the electrode material and metal foil were separated using ultrasonic cleaning technology.
Bioassays, as an addition to physico-chemical water quality evaluation, can provide information on the toxic effects of pollutants present in the water. In this study, a broad evaluation of environmental health risks from industrial wastewater along the Yangtze River, China, was conducted using a battery of bioassays. Toxicity tests showed that the wastewater …
Spent lithium-ion batteries (S-LIBs) contain valuable metals and environmentally hazardous chemicals, necessitating proper resource recovery and harmless treatment of these S-LIBs. Therefore, research on S-LIBs recycling is beneficial for sustainable EVs development. This paper aims to critically review the research progress in the field of S ...
Therefore, research has proven that the melting treatment method can effectively accomplish the harmless treatment of MSWI FA. However, special equipment, such as rotary kiln and plasma furnace is required for melting FA. In Japan, MSW gasification treatment processes are used, including gasification and melting furnace (GMF) processes. However, this process …
In the process of spent lithium-ion batteries(S-LIBs), pre-treatment has become a key factor to dispose of larger scale spent power battery cathode materials. This article systematically summarized and analyzed the technical status, technical challenges, and prospects of various key aspects in the process of spent lithium-ion battery pre ...
Residual electrolyte is the main pollution source in the lithium ion battery disassembly process. A practical detoxified approach is studied using the lithium hexafluorophosphate in the decommissioned power battery with dimethyl carbonate as a solvent. The pH measurement, Fourier transform infrared …
Pickling sludge is an inevitable product in stainless steel industry, and great harm to the environment, and the risk of the conversion of Cr 3+ to Cr 6+ (Minocha et al., 2003, Gan, 2000) is dangerous for human beings.Pickling sludge has been listed in the national hazardous waste list owing to the high concentrations of Cr 3+ and Ni 2+, as hazardous waste, …
Residual electrolyte is the main pollution source in the lithium ion battery disassembly process. A practical detoxified approach is studied using the lithium hexafluorophosphate in the...
Residual electrolyte is the main pollution source in the lithium ion battery disassembly process. A practical detoxified approach is studied using the lithium hexafluorophosphate in the …
Technology for recycling retired lithium batteries has become increasingly environment-friendly and efficient. In traditional recovery methods, pyrometallurgy or …
The recycling of waste lithium-ion batteries can reduce battery costs and promote the application of electric vehicles (EVs). The harmless treatment of waste batteries is also a …
Study on the process of harmless treatment of residual electrolyte in battery disassembly. Waste Management & Research ( IF 3.9 ) Pub Date : 2020-04-20, DOI: 10.1177/0734242x20914752
High energy consumption; Waste gas treatment: Low-cost harmless treatment; Green and efficient energy utilization: HF, PF 5,P 2 O 5 and other fluorine gases: 650 °C,30 min, 35 mL/min N 2: Methane and hydrogen, carbon monoxide and LiF: The gasification rate of electrolyte was 96.38%. [24] ≤500 °C, 100 mL/min CO 2: Syngas – [25] 50 mL ...
Spent lithium-ion batteries (S-LIBs) contain valuable metals and environmentally hazardous chemicals, necessitating proper resource recovery and harmless treatment of these S-LIBs. Therefore, research on S-LIBs recycling is beneficial for sustainable …
Study on the process of harmless treatment of residual electrolyte in battery disassembly
It is proposed that the key points and difficulties in the treatment of spent LIBs mainly exist in following four aspects: the cascade utilization of battery, the harmless disposal of electrolyte, the resource utilization of cathode and anode materials, and the recycling and regeneration of battery materials. The cascade utilization of battery ...
Study on the process of harmless treatment of residual electrolyte in battery disassembly
Wastewater produced during recycling of spent lithium primary battery was biologically treated with Acidithiobacillus ferrooxidans to decrease the pH and metal concentration.
This study assesses the life-cycle GHG emissions from battery production, and examines the impact of three EoL battery treatment strategies: second use, regeneration, and recycling. Prospective ...
The aforementioned battery treatment methods have proven to be effective in the treatment of LIBs. However, the strengths and weaknesses determine their industrial feasibility. Table 3 lists the combinations of processes currently applied in major battery recycling plants. Table 3. Summary of industrial LIB recycling process. Company Battery type …
In the process of spent lithium-ion batteries(S-LIBs), pre-treatment has become a key factor to dispose of larger scale spent power battery cathode materials. This article …
The recycling of waste lithium-ion batteries can reduce battery costs and promote the application of electric vehicles (EVs). The harmless treatment of waste batteries is also a key step...
the harmless treatment of hazardous waste is imperative. The state has also formulated a series of standards and methods to regulate hazardous waste management. In August 2016, the new National Hazardous Waste List began to be implemented to further clarify the identification methods of hazardous wastes and to refine the inclusion criteria and principles of hazardous …
The recycling of waste lithium-ion batteries can reduce battery costs and promote the application of electric vehicles (EVs). The harmless treatment of waste batteries is also a key step in its full lifecycle. Before recycling, some waste lithium-ion batteries may have been damaged or decayed due to external reasons. Such pollutants as waste ...
The City of Santa Barbara invites the community to join Mayor Randy Rowse and the City Council for a ribbon-cutting celebrating the new battery energy storage system at the Cater Water Treatment Plant (Cater). The battery energy storage system improves the resilience of the City''s water system and will provide substantial savings on energy bills over the lifetime …
Technology for recycling retired lithium batteries has become increasingly environment-friendly and efficient. In traditional recovery methods, pyrometallurgy or hydrometallurgy is often used as an auxiliary treatment method, which results in secondary pollution and increases the cost of harmless treatment. In this article, a new ...
The recycling of waste lithium-ion batteries can reduce battery costs and promote the application of electric vehicles (EVs). The harmless treatment of waste batteries is …
Residual electrolyte is the main pollution source in the lithium ion battery disassembly process. A practical detoxified approach is studied using the lithium …
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