Waste printed circuit boards
Leaching and Adsorption of Gold from Waste Printed Circuit Boards Using Iodine Iodide Solution and Activated Carbon
... Waste printed circuit boards (WPCBs) collected was shredded around 2-3 cm in size and incinerated at 800 °C into a furnace (DOWA Metals & Mining Company, Japan) equipped with gas cleaning ...
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Processing waste printed circuit boards for material recovery
... of printed circuit ...treat waste printed circuit boards has the potential to recover valuable resources rather than further diminishing virgin ...
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Bioleaching of copper from waste printed circuit boards by bacteria-free cultural supernatant of iron–sulfur-oxidizing bacteria
... indirect non-contact mechanism was the predominant mechanism in bioleaching of copper from PCBs. Further- more, the activity of bacteria was strongly inhibited by the toxicity of PCBs. In addition, the isolation of ...
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Banana Peel Carbon that Containing Functional Groups Applied to the Selective Adsorption of Au(III) from Waste Printed Circuit Boards
... controlling carbonization temperature and its application on the selective adsorption of gold from waste printed circuit boards (PCBs). The adsorption of BPC for Au(III) reached equilibrium in ...
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MEMRECS—A Sustainable View for Metal Recycling from Waste Printed Circuit Boards
... from waste Printed Circuit Boards (PCBs) with three material recycling quoting approaches: Material Recycling Efficiency (MRE), Resource Recovery Efficiency (RRE), and Quotes for En- ...
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Dismantling of Electric and Electronic Components from Waste Printed Circuit Boards by Hydrochloric Acid Leaching with Stannic Ions
... Waste memory-typed PCBs were collected from a recy- cling company in Korea. The width and height of the PCB are 50 mm and 160 mm, respectively, and it contains around 250 parts of EECs such as IC chips, ...
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Review: Current Status of Recycling of Waste Printed Circuit Boards in India
... of waste PCBs proper collection, transportation, storage, recovery and disposal facility at regional and national levels certified by the regulatory authorities are ...
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A profitability assessment of European recycling processes treating printed circuit boards from waste electrical and electronic equipments
... of Waste from Electric and Electronic Equipments (WEEEs) is a well-stressed topic in scientific ...of Waste Printed Circuit Boards (WPCBs) embedded into ...
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Influence of Oxidizing Agent on Recovery of Metals Including Gold and Silver from Printed Circuit Boards
... Abstract: Due to rapidly depleting natural resources of metals, it becomes essential to find secondary resources for metals. E-waste can be a potential secondary source for that. It contains a number of metals ...
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Cost performance analysis of printed circuit boards using hybrid stackup
... Digital circuits continue to conquer higher speeds, with components such as microprocessors and signal converters routinely performing billions of operations per second [1]. The trend of modern electronic systems is ...
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Studies on the Biosorption on Removal of Heavy Metal Copper in Printed Circuit Boards
... Electronic waste or Waste Electrical and Electronic Equipment (WEEE) is the Electrical and Electronic Equipment (EEE) which is no longer fit for its original intended use and are desired for recovery, ...
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RECOVERY OF TIN AND COPPER BY RECYCLING OF PRINTED CIRCUIT BOARDS FROM OBSOLETE COMPUTERS
... Veit et al. (2005) used PCBs from obsolete or defective personal computers, which represent the largest source of technological waste in Brazil for metal recovery. In the first stage, mechanical processing and ...
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Investigation of Part Detachment Process from Printed Circuit Boards for Effective Recycling Using Particle Based Simulation
... from printed circuit boards (PCBs), which are major components of e-waste, is expected, because some of useful critical metals are concentrated in specific ...
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Separation and recovery of materials from scrap printed circuit boards
... for printed circuit boards depends on the application, for example, difunctional epoxy resins are adequate for simple two-sided circuit boards but more sophisticated multifunctional ...
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RECOVERY OF COPPER FROM PRINTED CIRCUIT BOARDS OF COMPUTERS
... Electronic waste contains many types of metals that can be recovered. In this study the recovery of gold as a precious metal and copper as a base metal from printed circuit boards (PCBs) of ...
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Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate
... (e) waste. One such e-waste, the mobile phone printed circuit boards (PCBs) contain various precious metals which can be extracted by different hydrometallurgical ...from waste ...
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Static and Dynamic Simulation of Printed Circuit Boards
... circuits. Circuit boards have different applications such as signaling, processing, execution, ...a printed circuit board has to overcome numerous test analysis before the final product is ...
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An Equivalent Circuit for EMI Prediction in Printed Circuit Boards Featuring a Straight-to-Bent Microstrip Line Coupling
... equivalent circuit of the structure have been derived (see Fig. 2). The circuit is formed by some capacitors, modeling the fringe effect, and by a capacitor modeling the coupling effect due to the excitation ...
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Response of the Cracked Printed-Circuit Boards (PCBs) Subjected to Impulse Shock Loading
... An analytical method for the responses of the cracked PCBs subjected to impulse shock loading with simply supported boundary conditions is developed by means of th[r] ...
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An Interactive System for the Automatic Layout of Printed Circuit Boards (Araignee) EUR 5285
... Commission of the European Communities Joint Nuclear Research Centre - Ispra Establishment Italy Technology Division Luxembourg, December 1974 - 34 Pages - 11 Figures - B.Fr.. 120.— A so[r] ...
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