Sustainable Recycling Technology for Electronic Waste

2016 ◽  
pp. 189-204 ◽  
Author(s):  
Sandip Chatterjee ◽  
Archana Kumari ◽  
Manis Kumar Jha
Keyword(s):  
Electronic Waste ◽  
Recycling Technology

scholarly journals Innovative recycling of end of life silicon PV panels: ReSiELP

Detritus ◽  
2021 ◽  
pp. 41-47
Author(s):  
Pietrogiovanni Cerchier ◽  
Katya Brunelli ◽  
Luca Pezzato ◽  
Claire Audoin ◽  
Jean Patrice Rakotoniaina ◽  
...  
Keyword(s):  
End Of Life ◽  
Value Chain ◽  
Building Materials ◽  
High Efficiency ◽  
Electronic Waste ◽  
Pv Modules ◽  
Recycling Technology ◽  
Challenges And Opportunities ◽  
New Type ◽  
Mechanical Separation

In Europe, an increasing amount of End of Life (EoL) photovoltaic silicon (PV) panels is expected to be collected in the next 20 years. The silicon PV modules represent a new type of electronic waste that shows challenges and opportunities. ReSiELP was a European project that aimed at recovery of valuable materials (aluminum, glass, copper, silicon, and silver) from EoL silicon PV modules. During the project a pilot plant, constituted by a furnace, a gas abatement system, an apparatus for the mechanical separation and a hydrometallurgical plant was designed and built. The pilot plan was realized to upscale recycling technology to TRL 7, with a 1500 panels/year capacity. The feasibility of industrial-scale recovery and the reintegration of all recovered materials in their appropriate value chain was investigated. The results obtained showed that 2N purity silicon and 2N purity silver can be recovered with high efficiency. In order to realize a zero-waste plant, a hydrometallurgical process was developed for the wastewater treatment. Moreover, the use of recovered glass for building materials was investigated and the obtained performance seemed comparable with commercial products.

SKY59, A Novel Recycling Antibody for Complement-mediated Diseases

2020 ◽  
Vol 27 (25) ◽  
pp. 4157-4164 ◽  
Author(s):  
Taku Fukuzawa ◽  
Junichi Nezu
Keyword(s):  
Inhibitory Effect ◽  
Biologic Agent ◽  
Microbial Infection ◽  
Duration Of Action ◽  
Complement Activity ◽  
Body Of Knowledge ◽  
Therapeutic Benefits ◽  
Long Duration ◽  
Recycling Technology ◽  
Current Therapies

Background: The complement system usually helps protect against microbial infection, but it could also be involved in the onset of various diseases. Inhibition of complement component 5 (C5) with eculizumab has resulted in a significant reduction of hemolysis, reduction of thromboembolic events, and increased survival in patients with Paroxysmal Nocturnal Hemoglobinuria (PNH). However, eculizumab requires frequent intravenous infusions due to the abundance of C5 in plasma and some patients may still experience breakthrough hemolysis. This review introduces the recent body of knowledge on recycling technology and discusses the likely therapeutic benefits of SKY59, a novel recycling antibody, for PNH and complement-mediated disorders. Methods: By using recycling technology, we created a novel anti-C5 antibody, SKY59, capable of binding to C5 pH-dependently. Results: In cynomolgus monkeys, SKY59 robustly inhibited C5 and complement activity for significantly longer than a conventional antibody. SKY59 also showed an inhibitory effect on C5 variant p.Arg885His, whereas eculizumab does not suppress complement activity in patients with this type of mutation. Conclusion: SKY59 is a promising anti-C5 biologic agent that has significant advantages over current therapies such as long duration of action and efficacy against C5 variants.

scholarly journals Sustainable roll-to-roll manufactured multi-layer smart label

2021 ◽  
Author(s):  
Liisa Hakola ◽  
Elina Jansson ◽  
Romain Futsch ◽  
Tuomas Happonen ◽  
Victor Thenot ◽  
...  
Keyword(s):  
Electronic Waste ◽  
Near Field ◽  
Colour Change ◽  
Pilot Scale ◽  
Printed Antennas ◽  
Free Paper ◽  
Roll To Roll ◽  
Final Yield ◽  
Smart Label ◽  
Dark Blue

AbstractSustainability in electronics has a growing importance due to, e.g. increasing electronic waste, and global and European sustainability goals. Printing technologies and use of paper as a substrate enable manufacturing of sustainable electronic devices for emerging applications, such as the multi-layer anti-counterfeit label presented in this paper. This device consisted of electrochromic display (ECD) element, NFC (near field communication) tag and circuitry, all fully roll-to-roll (R2R) printed and assembled on plastic-free paper substrate, thus leading to a sustainable and recyclable device. Our setup uses harvested energy from HF field of a smartphone or reader, to switch an electrochromic display after rectification to prove authenticity of a product. Our novelty is in upscaling the manufacturing process to be fully printable and R2R processable in high-throughput conditions simulating industrial environment, i.e. in pilot scale. The printing workflow consisted of 11 R2R printed layers, all done in sufficient quality and registration. The printed antennas showed sheet resistance values of 32.9±1.9 mΩ/sq. The final yield was almost 1500 fully printed devices, and in R2R assembly over 1400 labels were integrated with 96.5% yield. All the assembled tags were readable with mobile phone NFC reader. The optical contrast (ΔE*) measured for the ECDs was over 15 for all the printed displays, a progressive switching time with a colour change visible in less than 5 s. The smart tag is ITO-free, plastic-free, fully printed in R2R and has a good stability over 50 cycles and reversible colour change from light to dark blue.

scholarly journals Studies on the Content of Selected Technology Critical Elements (Germanium, Tellurium and Thallium) in Electronic Waste

Materials ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3722
Author(s):  
Joanna Willner ◽  
Agnieszka Fornalczyk ◽  
Magdalena Jablonska-Czapla ◽  
Katarzyna Grygoyc ◽  
Marzena Rachwal
Keyword(s):  
Solar Cell ◽  
New Technologies ◽  
Electronic Waste ◽  
Quantitative Composition ◽  
Icp Oes ◽  
Electronic Components ◽  
Critical Elements ◽  
Weee Recycling ◽  
Icp Ms ◽  
And Migration

The article draws attention to the problem of the presence of metals: germanium (Ge), tellurium (Te), thallium (Tl), and others (Cd, Ba, Co, Mn, Cr, Cu, Ni, Pb, Sr, and Zn) in selected waste of electrical and electronic equipment (WEEE). As a result of the growing demand for new technologies, the global consumption of TECs has also been increasing. Thus, the amount of metals in circulation, of which the impacts on the environment have not yet been fully understood, is constantly increasing. Due to the low content of these metals in WEEE, they are usually ignored during e-waste analyses. The main aim of this study was to determine the distribution of Ge, Te, and Tl (and other elements) in ground sieve fractions (1.0, 0.5, 0.2, and 0.1 mm) of selected electronic components (solar lamps, solar cell, LED TV screens, LCD screens, photoresistors, photodiodes, phototransistors) and to determine the possible tendency of the concentrations of these metals in fractions. This problem is particularly important because WEEE recycling processes (crushing, grinding, and even collection and transport operations) can lead to dispersion and migration of TCE pollutants into the environment. The quantitative composition of e-waste was identified and confirmed by ICP-MS, ICP-OES and SEM-EDS, and XRD analyses. It was found that Ge, Te, and Tl are concentrated in the finest fractions of ground e-waste, together with Cd and Cr, which may favor the migration of these pollutants in the form of dust during storage and processing of e-waste.

Brominated flame retardants (BFRs) in PM2.5 associated with various source sectors in southern China

2021 ◽  
Author(s):  
qiqi li ◽  
Tao Wang ◽  
yuan zeng ◽  
yun fan ◽  
Shejun Chen ◽  
...  
Keyword(s):  
Flame Retardants ◽  
Southern China ◽  
Electronic Waste ◽  
Brominated Flame Retardants ◽  
Waste Recycling ◽  
Recycling Facilities

The present study investigated legacy and novel brominated flame retardants (BFRs) in atmospheric PM2.5 associated with various urban source sectors in a city and electronic waste (e-waste) recycling facilities in...

Sign in / Sign up

Export Citation Format

Share Document