Supercapacitors production from waste: A new window for
Battery-type capacitors, like lithium-ion capacitors, have rechargeable electrodes that help supercapacitor electrodes improvement. The EDLC electrode carbon asymmetric
Supercapacitors production from waste: A new window for
This article deals with the general concepts of new developments in production of high-value activated porous carbon from various types of wastes for use in supercapacitors.
Environmental Friendly technology for aluminum electrolytic capacitors
Some metals such as manganese, tin, and silver are dissolved in ionic liquids, and the latter two can be extracted by electrodeposition from ionic liquids ( Niu et al. 2017a ).
Recovery of Tantalum from Waste Tantalum Capacitors by Supercritical
Request PDF | On Apr 11, 2017, Bo Niu and others published Recovery of Tantalum from Waste Tantalum Capacitors by Supercritical Water Treatment | Find, read and cite all the research you need on
Capacitor welding exhaust gas treatment system
The invention relates to a capacitor welding waste gas treatment system which comprises an inverted cone-shaped gas collecting hood, a centrifugal fan, a dust filter and an active carbon...
Supercapacitors production from waste: A new window for
Supercapacitors production from waste: A new window for sustainable energy and waste management subsequently controlled gasification with an oxidizing gas at temperatures ranging between 350 °C and 1000 °C. A two step approach for making super capacitors from waste wood. J Clean Prod, 279 (2015), Article 123786.
Method for Recycling Tantalum from Waste
(a) Gibbs free energy variations of the reactions between FeCl 2 and Ta-rich particles at 100−800 °C. (b) Vapor pressure of TaCl 5 and FeCl 2 as a function of temperature. 17
Integrated process for recycling aluminum electrolytic capacitors
Integrated process for recycling aluminum electrolytic capacitors from waste printed circuit boards: Disassembly, heat treatment and magnetic–eddy current–electrostatic
Integrated process for recycling aluminum electrolytic capacitors
With the rapidity of technological innovation driven by demands for increasingly high data processing speed (Owens, 2013), the global amount of e-waste has been increased at a fast rate in recent years (Oladele et al., 2009).The global generation of e-waste was estimated to be approximately 41.8 million metric tons in 2014 (Baldé et al., 2015).A printed circuit board
Integrated process for recycling aluminum electrolytic capacitors
An aluminum electrolytic capacitor (AEC), mounted on a printed circuit board (PCB), is an integral part of any electronic product. Currently, a great many waste AECs are generated from almost all kinds of end-of-life electronic products. The waste AEC is hazardous waste because the electrolyte contained in it is toxic, demanding safe disposal.
Sustainable Green Route for Activated
In this study, a green, facile, and scalable route of production of activated carbon from WAS and SC waste was developed by using sodium thiosulfate, potassium carbonate,
A cradle-to-grave life cycle assessment of high-voltage aluminum
The less influential data about specialized treating processes of the production waste, including waste capacitors, aluminum scraps, paper scraps, and sludge, are also ignored because they are challenging to obtain. 2.1.4. System boundary. NH 3 gas [kg] 0.59: Sewage treatment: Direct emissions to air: a.
Research on waste gas treatment technology and comprehensive
In order to reflect the practical significance of emission reduction measures for atmospheric environmental governance, Section 5.2 categorized the reduction countermeasures mentioned above can be categorized into "Energy Structure Adjustment," "Resource Utilization," "Cleaner Production," "Waste Gas Treatment Improvement," and
Environmental friendly technology for aluminum electrolytic capacitors
up to now, the recycling of e-waste should be developed towards more depth and refinement to promote industrial production of e-waste resource recovery. in the present study, the recycling of aluminum electrolytic capacitors (AECs) from waste printed circuit boards (WPCBs) is focused on. First of al
Enhanced methane production from anaerobic wastewater treatment
The energy in organic wastewater can be recovered by converting organic matters to methane gas through anaerobic digestion [1].The direct interspecies electron transfer (DIET) is an effective pathway for electron transfer in anaerobic digestion system [2] the DIET, extracellular electron generated from exo-electrogenic bacteria can be transferred through
Extraction and Recovery of Tantalum from
The recycling of tantalum contained in waste capacitors from post-production or electronic-waste recycling is an interesting solution to complete primary production. This
(PDF) An integrated and environmental-friendly
This study proposed an integrated and environment-friendly technology for recycling waste tantalum capacitors (WTCs) of WPCBs. Firstly, the WTCs were treated by argon pyrolysis to decompose...
Complete Solutions for your Gas Treatment Requirements
As one of the leading companies in the field of gas treatment worldwide we are the preferred partner for complex new gas plants. BASF´s proven gas treatment technologies boast more than 500 references around the globe, from the deserts of North Africa to the Arctic Circle, including the world´s largest gas treatment units. Under the OASE ® brand, BASF provides customized,
Synergetic treatment of waste tantalum capacitors and polyvinyl
The rapid upgrading of electronic products led to the generation of a great deal of waste tantalum capacitors (WTCs). The recovery of WTCs is of great interest due to the high-value metal tantalum and resin materials. However, it is difficult to separate/recover the materials from WTCs because of the special structure and composition. Polyvinyl chloride (PVC) waste with high
CN214745788U
The utility model relates to a capacitor degumming waste gas combustion device, which comprises a box body, wherein the box body is internally provided with an accommodating space, the bottom of the box body is provided with an air inlet, and the top of the box body is provided with an air outlet; the heating group is positioned in the accommodating space and above the
Novel lithium production process using desalination wastewater
Second, because Na 2 CO 3 can be recovered from desalination wastewater during the CO 2 capture process, the environmental issues caused by desalination wastewater discharge and CO 2 in the flue gas can be solved simultaneously, while also reducing the raw material cost for lithium production. Moreover, because NGCC waste heat can be utilized
Evaluation of flue-gas treatment technologies for municipal waste
The goal of this study was to compare different technologies for flue gas treatment through life cycle assessment modeling of a MWI plant in Changzhou, China (China Everbright International Limited). Three waste treatment scenarios were evaluated within the same plant using different combinations of five flue-gas scrubbing technologies (Fig. 1).
Common Waste Gas Treatment in the Chemical Sector (WGC
Emissions may depend on factors such as raw material composition, product type, nature of intermediates, use of auxiliary materials, process operating conditions, type of process-integrated techniques to prevent or reduce emissions and type of end-of-pipe treatment. The EU BREF on common waste gas treatment in the chemical sector (WGC BREF) is
Solution-plasma treatment of activated carbon from shochu
In Japan, the output of shochu waste has increased year-on-year along with the production of shochu. In the 2000s, shochu production plateaued at approximately 1 million kL. In an attempt to manage the large volumes of shochu waste, we employed it as the raw material for producing activated carbon, and evaluated the use of this activated carbon in electric double
Hazardous waste aluminum capacitor recycling and harmless
The invention relates to a device and a method for recycling and harmlessly treating hazardous waste aluminum capacitors, wherein the device comprises a base, a low-temperature cracking furnace...
Purification of Flue Gas Desulfurization Wastewater with Super
including FGD wastewater, cooling tower blow down and other plant process streams. In addition, the RDI technology could provide separation of high TDS wastewater stream(s), allowing clean/processed water to be reused and the lower flow, concentrated wastewater stream(s) to be further processed utilizing a zero liquid discharge (ZLD) treatment or
Integrated process for recycling aluminum electrolytic capacitors
This article presented a novel attempt to deal with AECs disassembled from waste PCBs, including heat treatment, crushing, and multistage physical separations. Firstly, the electrolyte
Environmental friendly technology for aluminum electrolytic
• AECs should be heating treated under air atmosphere firstly. • An environmentally friendly integrated process for AECs recycling is developed. • Off-gas could
Synergetic treatment of waste tantalum capacitors and polyvinyl
Request PDF | On Nov 1, 2023, Fu-Rong Xiu and others published Synergetic treatment of waste tantalum capacitors and polyvinyl chloride by subcritical water: Tantalum recovery, benzoic acid
A two step approach for making super capacitors from waste wood
A two step approach for making super capacitors from waste wood. Author links open with fossil fuels facing depletion and greenhouse gas emissions inducing environmental damage [Marousek et al., 2015a]. morphological, elemental, mechanical, and electrical properties. The basic steps used in their production include pre-treatment
CN215828488U
The utility model discloses a corrosion foil production wastewater treatment device for an aluminum electrolytic capacitor, which comprises a treatment box, wherein a screen, a settling box, a buffer plate and two groups of fixed filter screens are fixedly arranged inside the treatment box, an automatic cleaning plate is slidably arranged on the upper part of the screen, two
Separation of waste tantalum capacitors by supercritical
Capacitor''s productions represent around 34% of the total Ta applications and recycling the high content of Ta contained in the waste tantalum capacitors (WTCs) present in the waste printed circuit boards (WPCBs) of electric and electronic equipment is crucial and urgent and will definitively contribute to the long-term sustainability of Ta demand.
Separation of waste tantalum capacitors by supercritical
With the rapid upgrading of electronic products, a large amount of waste tantalum capacitors (WTC) were generated. The recovery and purification of the WTC attracted widespread interest due to the high-value rare metal tantalum and resin materials. However, the recovery and purification of the WTC was difficult due to the heterogeneous complex composition including
6 FAQs about [Capacitor production waste gas treatment]
Can waste-produced porous activated carbons be used as supercapacitor electrodes?
One of the most effective approaches to attain this plan is to use waste materials as activated carbon precursors. Hence, supercapacitors in general are discussed in this review followed by the functions of waste-produced porous activated carbons as supercapacitor electrodes and the corresponding activation techniques.
Can waste be used as electrodes in high-valued supercapacitors?
Porous carbons developed from the wastes are excellent candidates for use as electrodes in high-valued supercapacitors. As a result, scientists have devised surprising methods for producing superior carbon compounds by using waste from a range of resources.
Can a supercapacitor produce activated carbon from waste?
Production of activated carbon from waste for supercapacitors was reviewed. The waste and their structure besides supercapacitor performance were classified. The activation procedures in the synthesis of activated carbons were examined. Economics and prospects of producing carbon from waste materials were discussed.
Can tea-waste be used as a supercapacitor electrode?
A new biomass derived rod-like porous carbon from tea-waste as inexpensive and sustainable energy material for advanced supercapacitor application Naskar AK, Paranthaman MP, Boota M, Gogotsi Y. Flexible and conductive waste tire-derived carbon/polymer composite paper as pseudocapacitive electrode. Google Patents 2018 (No. 9,941,058).
Can biomass active carbons be used as supercapacitor electrodes?
The analysis of articles from the past few years shows that using biomass active carbons as supercapacitor electrodes is a viable option. However, the literature lacks key information about the topic and there have only been a few review articles on this issue, with limited reporting on waste materials.
Can sustainable biomass waste be used for supercapacitors?
Recently, interest in the use of carbonaceous materials derived from sustainable biomass wastes for supercapacitors (SCs) has grown. The sustainable sunflower stalk is selected as the raw material for prepg. activated carbon (AC), using a simple hydrothermal carbonization (HTC) combined with an effective activation method.