• (PDF) E-Waste characteristic and its disposal Vats

    For example magnetic separation achieves a target of ferrous metal recovery is 90 to 95 from e-waste and eddy current separation of non-ferrous metals is more than 90 MoEF Guidelines 2008 the recovery of materials from e-waste an appreciable amount of energy can be saved with respect to the material recovered by exploitation

  • Metal recycling from waste memory modules efficiently and

    Recycling of waste electrical and electronic equipment has become an urgent global issue in recent years from the prospectives of resources recycling and environmental protection. In the present work the recycling of waste memory modules (WMMs) through low-temperature alkali melts was investigated based on the thermodynamic analysis of the nonmetallic reactions of brominated epoxy resin

  • Metals recovering from waste printed circuit boards (WPCBs

    Apr 30 2012 · The proportion of waste printed circuit boards (WPCBs) is about 3 of electronic waste . Unlike other solid waste WPCBs contain a variety of heavy metals and hazardous substances (i.e. lead cadmium mercury PVC halogenated flame retardants etc.) that may seriously pollute the environment.

  • Environmental friendly technology for aluminum

    Mar 15 2017 · Environmental friendly technology for aluminum electrolytic capacitors recycling from waste printed circuit boards respectively were subjected to the process of magnetic separation. The average particle size of the materials (grade 1 grade 2 and grade 3) was 4.34 mm. Z.M. XuEnvironmental friendly automatic line for recovering metal

  • Three Phase PCB Electronic Component Dismantling Machine

    Waste circuit board electronic component dismantling machine is low investment high profit project environmental friendly project. Scope of Feeding Materials All kinds of waste circuit boards CCL waste computer mother boards waste cell phone motherboards waste TV boards PCB scrap copper-clad laminate and other appliances.

  • Li JiaFacultyChina-UK Low Carbon College Shanghai

    Li J. Xu Z.M. (2010) Environmental Friendly Automatic Line for Recovering Metal from Waste Printed Circuit Boards" Environmental Science Technology Vol 44 pp. (IF 6.653) Huang K. Li J. Xu Z.M. (2009) A Novel Process for Recovering Valuable Metals from Waste

  • Waste managementWikipedia

    Waste hierarchy. The waste hierarchy refers to the "3 Rs" Reduce Reuse and Recycle which classifies waste management strategies according to their desirability in terms of waste minimisation.The waste hierarchy is the cornerstone of most waste minimisation strategies. The aim of the waste hierarchy is to extract the maximum practical benefits from products and to generate the minimum amount

  • Industrial waste treatment disposal and utilization

    Feb 18 2019 · The FunMat Laboratory was founded by Prof. Jingping Hu from the University of Oxford in 2014. This Lab is devoted to understand the degradation mechanisms in various advanced oxidation processes (AOP) to design novel electrochemical sensors for environmental monitoring and to explore resource recovery of solid waste as environmental functional materials.

  • Sustainable Electronic Waste Management and Recycling Process

    Feb 01 2012 · Electronics waste is becoming a major global issue. Huge accumulation of e-waste and their recycling through primitive means for extraction of precious metals are real concern in the developing countries due to presence of hazardous materials in e-waste. Recycling of e-waste through appropriate technologies is however considered to be a profitable business as the printed circuit boards

  • A novel approach to separation of waste printed circuit

    A novel approach to separation of waste printed circuit boards IAU 2012 Abstract Waste printed circuit boards are complex heter-ogeneous mixture consisting of organic material metal and glass fiber therefore it is quite difficult for the recovery of reuse and develop a highly efficient and environmental friendly process for

  • (PDF) Basic Environmental Engineering Manuel Christhoper

    Academia.edu is a platform for academics to share research papers.

  • Constructing environment-friendly return road of metals

    Feb 01 2016 · Consequently serious environmental pollutions were brought out in the places of recovering e-waste such as Guiyu and Qingyuan in China. Heavy metals (Pb Cu Zn and Ni) concentrations of road dust around the place of recycling waste PCBs were hundreds of times higher than non-e-waste sites chlorane plus had been accumulated in hair of workers even in maternal

  • Disposing and Recycling Waste Printed Circuit Boards

    Over the past decades China has been suffering from negative environmental impacts from distempered e-waste recycling activities. After a decade of effort disassembly and raw materials recycling of environmentally friendly e-waste have been realized in specialized companies in China and law enforcement for illegal activities of e-waste recycling has also been made more and more strict.

  • (PDF) Basic Environmental Engineering Manuel Christhoper

    Academia.edu is a platform for academics to share research papers.

  • Hazardous Waste Recycling RegulationsRecycling Wastes

    Shredded Circuit Boards — Shredded circuit boards being recycled provided that they are stored in containers sufficient to prevent a release to the environment prior to recovery and are free of mercury switches mercury relays and nickel-cadmium batteries and lithium batteries.

  • Electronic Waste Management Approaches Saudi Arabia

    Aug 01 2018 · Electronic waste is growing at a fast pace with emerging problems of pollution across the world. The increasing presence of toxic substances damages the environment and affects the health of human beings in case of unmanaged disposal protocols. This study demonstrates the overview of toxic substances in electronic waste potential impacts of waste on the environment and its impacts on

  • European Commission

    The NIREA recycling solution is a low-cost environmental friendly and highly flexible process aimed at retrieving the maximum value from medium or low graded End-of-Life Printed Circuit Boards batches. Keywords WEEE and PCB recycling metal retrieving. Sector Recyling Type of solution Product and process Duration 01/09/201331/08/2016

  • A novel approach to separation of waste printed circuit

    Nov 13 2012 · Waste printed circuit boards are complex heterogeneous mixture consisting of organic material metal and glass fiber therefore it is quite difficult for the recovery of valuable materials from waste printed circuit boards. In this study waste printed circuit boards without electronic components (known as bare boards) are submerged into dimethyl sulfoxide solvent at 170 °C using refluxing

  • A Review on E-waste Management and Recycling Challenges in

    Recycling Recycling is a process of dismantling ie removal of different parts of e-waste containing dangerous substances like PCB Hg separation of plastic removal of CRT segregation of ferrous and non- ferrous metals and printed circuit boards hard drives floppy drives Compact disks mobiles fax machines printers CPUs memory chips

  • Environmental Friendly Automatic Line for Recovering Metal

    The technology industrialization was the final goal of the research. A set of automatic line without negative impact to environment for recycling waste printed circuit boards (PCB) in industry-scale was investigated in this study. The independent technologies were integrated and many problems in the process of technology industrialization were solved. The whole technology contained four parts

  • A novel pneumatic separator for separating diode and CD

    Jan 01 2018 · 1. Introduction. Recover resource and energy from municipal solid waste is an important topic in sustainable development of the world .E-waste has been considered as urban mining .Recovering e-waste is a significant work in sustainability and energy renewable which can save the energy cost of searching and smelting of metals .Waste printed circuit boards (WPCBs) the core

  • Waste Printed Circuit Board (PCB) Recycling Techniques

    The waste printed circuit board (PCB) which is the core and valuable component of e-waste is a dangerous toxic waste but at the same time a rich resource for various kinds of metallic and

  • (PDF) Recovery of precious metals from e-waste TINOTENDA

    This study aims to explore the feasibility of extracting these metals from e-waste reduce burning of e-waste in open environment minimize the overall environmental footprint and conserve the limited nonrenewable resources.The proposed extraction process has been sub-divided into four stages (i) Collection involves the collection of e-waste ( from municipal landfills electronic repairs car

  • The Recovery of Precious and Base Metals from E-Waste A

    waste printed circuit boards conce rning great environmental and economical potentials that the precious and base metal recovery can offer. Process is techno -economically feasible for amount of

  • A Review on E-waste Management and Recycling Challenges in

    Recycling Recycling is a process of dismantling ie removal of different parts of e-waste containing dangerous substances like PCB Hg separation of plastic removal of CRT segregation of ferrous and non- ferrous metals and printed circuit boards hard drives floppy drives Compact disks mobiles fax machines printers CPUs memory chips

  • Environment-friendly technology for recovering nonferrous

    DOI 10.1016/J.RESCONREC.2014.03.017 Corpus ID . Environment-friendly technology for recovering nonferrous metals from e-waste Eddy current separation article Jujun2014EnvironmentfriendlyTF title= Environment-friendly technology for recovering nonferrous metals from e-waste Eddy current separation author= Ruan Jujun and Qian Yi-ming

  • Eddy current separation technology for recycling printed

    Abstract Eddy Current Separation (ECS) is a classic method to separate light metal (aluminum) from plastic in the recycling industry. The aim of this paper is to present an innovative method that using the ECS to separate the printed circuit board (PCB) from the plastic generated from the crushed cell phone. A theoretical model of particle trajectory was established.

  • An environmental friendly recovery production line of

    Quantity of waste toner cartridges has been generated following the increasing demand for printer and duplicator. Waste toner cartridge contains abundant valuable metals plastics as well as toxic residual toner. Therefore the recovery of waste toner cartridges is a meaningful subject not only from waste treatment but also from environment protection.

  • Physical separation route for printed circuit boards

    In this paper employing physical separation methods to ground waste PCB an eco-friendly simple and environmental process for separation of valuable metals was designed and proposed.

  • Key factors of eddy current separation for recovering

    Recovery of e-waste in China had caused serious pollutions. Eddy current separation is an environment-friendly technology of separating nonferrous metallic particles from crushed e-waste. However due to complex particle characters separation efficiency of traditional eddy current separator was low. In production controllable operation factors of eddy current separation are feeding speed

  • Recovery of metals from waste printed circuit boards by a

    Nov 27 2008 · Environmental friendly automatic line for recovering metal from waste printed circuit boards. Li J Xu Z Environ Sci Technol 44(4) 01 Feb 2010

  • e-Waste Mahatma Gandhi Institute of Rural Energy

    Put the e-Waste in proper bins as advised. The e-Waste should not be mixed with Municipal solid waste where segregation is a complex process. Many manufacturers recyclers and NGOs are organizing take back programs where the e-Waste collected and recycled in an environmental friendly manner. Collection Center

  • Key factors of eddy current separation for recovering

    Recovery of e-waste in China had caused serious pollutions. Eddy current separation is an environment-friendly technology of separating nonferrous metallic particles from crushed e-waste. However due to complex particle characters separation efficiency of traditional eddy current separator was low. In production controllable operation factors of eddy current separation are feeding speed

  • A Novel Designed Bioreactor for Recovering Precious Metals

    Li J. Xu Z. Environmental friendly automatic Line for recovering metal from waste printed circuit boards. Environ. Sci. Technol. 44 1418–1423 (2010). Park Y. Fray D. Recovery of high purity precious metals from printed circuit boards. J. Hazard. Mater. 164 1152–1158 (2009).

  • PCB Circuit Board Separating Machine Automation Grade

    PCB Circuit board recycling machine is used to separate metals and non-metals from waste circuit boards CCL waste computer mother boards waste cell phone motherboards waste TV boards and PCB scrap etc. PCB Circuit board recycling machine is low investment high profit project environmental friendly project. Scope of Feeding Materials

  • (PDF) Recovery of precious metals from e-waste TINOTENDA

    This study aims to explore the feasibility of extracting these metals from e-waste reduce burning of e-waste in open environment minimize the overall environmental footprint and conserve the limited nonrenewable resources.The proposed extraction process has been sub-divided into four stages (i) Collection involves the collection of e-waste ( from municipal landfills electronic repairs car

  • Sustainable Electronic Waste Management and Recycling Process

    Feb 01 2012 · Electronics waste is becoming a major global issue. Huge accumulation of e-waste and their recycling through primitive means for extraction of precious metals are real concern in the developing countries due to presence of hazardous materials in e-waste. Recycling of e-waste through appropriate technologies is however considered to be a profitable business as the printed circuit boards

  • (PDF) Printed circuit board waste as a source for high

    separation of waste printed circuit boards using dimethyl sulfoxide Int. J. 3 United Nations Environment Programme (UNEP) RecyclingFrom E-Waste to Environ. Sci.

  • Recycling of printed circuit boards (PCBs) to generate

    Jan 25 2015 · An eco-friendly process for recycling obsolete PCBs to get enriched rare-metal concentrate using physical separation technique is discussed. Metal concentration in digital video disc (DVD) PCBs is ∼43 wt. whereas in vacuum cleaner (VC) PCBs ∼30 wt. with rare metal of ∼ 2.8 ncentrate grade of ∼88 total metals including ∼5.85 rare metals in-case of DVD-PCBs