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Printed circuit board recycling: A patent review

Printed circuit board recycling: A patent review . K. Hou, J. Li, X. ZhuExamining the technology acceptance for dismantling of waste printed circuit boards in light of recycling and environmental concerns. J. Environ. Manag . J. Sohaili, S.K. Muniyandi, S.S. MohamadA review on printed circuit boards waste recycling technologies and reuse of .

A wet dismantling process for the recycling of computer

In this research a new process for dismantling the components of the waste printed circuit boards (WPCBs) was developed. This process uses water and aqueous solutions of sodium hydroxide at conditions above solder melting temperatures which not only prevents pollution problems, but also separates the multilayers of WPCBs.

(PDF) Printed circuit board recycling: A patent review

Printed circuit board recycling: A patent review. . printed circuit board, recycling, . Method for recycling waste electronic circuit board and recycled asphalt by using same CN102190896 2011.

The Disassembly Process and Apparatus of Waste Printed

Recycling of printed circuit board (PCB) is an important subject and to which increasing attention is paid, both in treatment of waste as well as recovery of valuable material terms.

A Review on Printed Circuit Board Recycling Technology

A Review on Printed Circuit Board Recycling Technology . Abstract From the use of renewable resources and environmental protection viewpoints, recycling of waste printed circuit boards (PCBs) receives wide concerns as the amounts of scrap PCBs increases dramatically. . and Zhang., 2008). From the review, we found that chemical recycling .

A review of the recycling of non-metallic fractions of

 · A review on potential reuse of recovered nonmetallic printed circuit board waste. Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS) 2011; 2 (6):946–951. Sohaili J, Muniyandi KS, Mohamed SS. A review on printed circuit boards waste recycling technologies and reuse of recovered nonmetallic materials.

Examining the technology acceptance for dismantling of

Read "Examining the technology acceptance for dismantling of waste printed circuit boards in light of recycling and environmental concerns, Journal of Environmental Management" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at …

Recycling of Printed Circuit BoardsInTechOpen

Recycling of Printed Circuit Boards Maria Paola Luda Dipartimento di Chimica IF M dell Università di Torino . on recycling waste PCBs. 2. PCB composition . facility for further dismantling for reus e or reclamation of electric components.

Waste Printed Circuit Board (PCB) Recycling Techniques

However, the feedstock used is already after dismantling and sorting therefore it has very high metal concentration (Cu 66 wt% and Au 0.045 wt%), which is not comparable to the raw WPCB feedstock, making the research not representative for all kinds of WPCB. . Guo J, Xu Z (2009) Recycling of waste printed circuit boards: a review of current .

Disposing and Recycling Waste Printed Circuit Boards

Disposing and Recycling Waste Printed Circuit Boards: Disconnecting, Resource Recovery, and Pollution Control . Precious metals recovery from waste printed circuit boards: A review for current status and perspective. Yan Lu, Zhenming Xu. . An environmentally friendly dismantling PCBs process for recycling waste electrical and electronic .

Examining the technology acceptance for dismantling of

Read "Examining the technology acceptance for dismantling of waste printed circuit boards in light of recycling and environmental concerns, Journal of Environmental Management" on DeepDyve, the largest online rental service for scholarly research with thousands of …

Disposing and Recycling Waste Printed Circuit Boards

Disposing and Recycling Waste Printed Circuit Boards: Disconnecting, Resource Recovery, and Pollution Control . Precious metals recovery from waste printed circuit boards: A review for current status and perspective. Yan Lu, Zhenming Xu. . An environmentally friendly dismantling PCBs process for recycling waste electrical and electronic .

The Complete Technology Book on E-Waste Recycling

The Complete Technology Book on E-Waste Recycling (Printed Circuit Board, LCD, Cell Phone, Battery, Computers) Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for reuse, resale, salvage, recycling or disposal are also considered as e-waste.

CN102191383ATreatment method for waste printed circuit

The invention provides a treatment method for a waste printed circuit board, which comprises the following steps of: wet sealing-off treatment, separation of lead and tin, rough crushing, magnetic separation of iron, vortex separation, fine crushing and separation of fine nonmetal powder, electrostatic separation of metal and nonmetal in coarse mixture, recovery of heat energy through fire .

Recovery of Metals and Nonmetals from Waste Printed

Recovery of Metals and Nonmetals from Waste Printed Circuit Boards (PCBs) by Physical Recycling Techniques . K. Hou, J. Li, X. Zhu, Examining the technology acceptance for dismantling of waste printed circuit boards in light of recycling and environmental concerns. . Z. Xu, Recycling of waste printed circuit boards: a review of current .

Evaluating waste printed circuit boards recycling

Evaluating waste printed circuit boards recycling: Opportunities and challenges, a mini review . Evaluating waste printed circuit boards recycling: Opportunities and challenges, a mini review . (2012) A Review on printed circuit boards waste recycling technologies and reuse of recovered nonmetallic materials.

The Disassembly Process and Apparatus of Waste Printed

Printed Circuit Board Assembly (PCBA), is an important basic part of Electric and Electronic Equipment, which has lots of high-value components and toxic substances. Normally, when Electric and Electronic Equipment (EEE) is scraped, some components on waste PCBA still …

Recycle Technology for Recovering Resources and

The printed circuit board (PCB) contains nearly 28% metals that are abundant non-ferrous metals such as Cu, Al, Sn, etc. The purity of precious metals in PCBs is more than 10 times higher than that of rich-content minerals. Therefore, recycling of PCBs is an important subject not only from the treatment of waste but also from the recovery of valuable materials.

Current Status on Leaching Precious Metals from Waste

circuit boards (PCBs) reach 100,000 tons every year in China. Taking into account PCBs from the large quantities of waste electrical and electronic products imported abroad and dismantling of end-of-life electrical and electronic equipments, each year more than 500,000 tons waste …

RECOVERY OF TIN AND COPPER BY RECYCLING OF

RECOVERY OF TIN AND COPPER BY RECYCLING OF PRINTED CIRCUIT BOARDS . with no specialized recycling processes. Printed circuit boards used in computers are composed of different materials, such as polymers, . largest source of technological waste in Brazil for metal recovery. In the first stage, mechanical

Review: Current Status of Recycling of Waste Printed

Printed Circuit Boards (PCBs) are an integral part of any electronic equipment. . Review: Current Status of Recycling of Waste Printed Circuit Boards in India. 10. by NGOs like Greenpeace, Toxics Link, etc. 2. . WEEE. The dismantling of the e-waste is done by the . crudest methods by use of hammer, chisel, screw driver .

E-waste crisis: Cities look for right answersThe

 · Similarly, producers can offer attractive buyback prices for circuit-boards and channelise their recycling to the formal sector. Not all e-waste is hazardous to manage when dismantling or .

Heavy metal contamination of surface soil in electronic

Heavy metal contamination of surface soil in electronic waste dismantling area: site investigation and source-apportionment analysis . Recycling of waste printed circuit boards: A review of current technologies and treatment status in . Heavy metal contamination of surface soil in electronic waste dismantling area: site investigation and .

Recovery of metals and nonmetals from electronic waste

This review describes the potential hazards and economic opportunities of e-waste. Firstly, an overview of e-waste/printed circuit board (PCB) components is given. Current status and future perspectives of e-waste/PCB recycling are described. E-waste characterization, dismantling methods, liberation and classification processes are also covered.