Conference proceedings

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CEST Proceedings are published under the ISSN 2944-9820.

A new sustainable approach in recovering Cobalt from “hard metal” production by-products

Amadou O., DE GAUDENZI G., MARCHESELLI G., PIREDDA M., (Corresponding) SERPE A.
Topic: 
Hazardous waste management
The present work shows the capability of Maleic Acid solutions to tune the amount of Co in cemented carbide-based recovery powders with a Co content exceeding the threshold (10% Co) for industrial manufacturing in Hard Metal production and required by safety regulations. Maleic acid solutions react...Read more
Keywords: 
Hard Metal, Critical Metals, Recycling, Cobalt, Maleic Acid
Conference: 
CEST2019
Paper ID: 
cest2019_00856

Problems related to Ship Recycling IMO Regulations

(Corresponding) Boviatsis M., Alexopoulos A., Polemis D.
Topic: 
General
Scrapping market is unique in many respects. The value of its products is more affected by ınternational trade than by shipping economic circles. There are many regulations for the environmentally friendly dismantling of ships. Ship recycling is the eco-friendly method of ship dismantling, it is...Read more
Keywords: 
SRC, UN Basel Convention, E.U. Waste Shipment Regulation, Ship Recycling
Conference: 
CEST2019
Paper ID: 
cest2019_00933

Effective separation of waste printed circuit boards using microwave-assisted organic swelling.

Monteiro B., Martelo L., Sousa P., Bastos M., (Corresponding) Soares H.
Topic: 
Electric and electronic waste
Nowadays, our lifestyle demands more electronics products, and this rapid development generated an increase in the amount of electronic waste (e-waste). Waste printed circuit boards (WPCBs) are components in all electronic devices and responsible for a high percentage of the total weight of the...Read more
Keywords: 
Waste printed circuit boards recycling; Microwave-assisted organic swelling; Hansen solubility parameters; Brominated epoxy resin dissolution.
Conference: 
CEST2021
Paper ID: 
cest2021_00127

An innovative and eco-friendly approach to recover gold (and copper) from gold fingers of waste printed circuit boards

Sousa P., Martelo L., Bastos M., Marques A., (Corresponding) Soares H.
Topic: 
Sustainable supply of raw materials
Recycling waste printed circuit boards (WPCBs) is a complex problem worldwide and sustainable technologies are required. So, this work aims to offer an innovative (an European patent was submitted, EP 20216239.2 1) and more sustainable solution to recover high-value materials (gold and copper) from...Read more
Keywords: 
E-waste, Printed circuit board recycling, Physical and chemical processes; Gold and copper recovery.
Conference: 
CEST2021
Paper ID: 
cest2021_00155

Material flow analysis applied to a waste treatment plant in Lombardy (Italy)

(Corresponding) Castro F., Fabbri M., Vaccari M., Cutaia L.
Topic: 
Solid waste management
Material flow analysis (MFA) allows to quantify inputs, outputs and stocks of a system and to communicate results visually. It can be used for calculating process effectiveness, losses and for identifying critical points within a system, being useful for strategically intervening in a corporative...Read more
Keywords: 
Circular economy, Eco-efficiency, Solid waste management, Recycling, Environmental indicators
Conference: 
CEST2021
Paper ID: 
cest2021_00277

A PRELIMINARY INVESTIGATION ON THE ACCEPTANCE OF THE USE OF URINE BASED FERTILIZERS: A COMPERATIVE SURVEY WITH FARMERS AND ENVIRONMENTAL ENGINEERS

OZKAN E., (Corresponding) AKDAG Y., BELER-BAYKAL B.
Topic: 
New solutions for a better and sustainable agriculture
Source separated human urine, a highly concentrated solution of nutrients, may be recycled directly or indirectly for further use as fertilizer. While environmental engineers (EnvE) recommend and set the fundamentals of this practice for valorizing a wastewater stream, farmers are the immediate...Read more
Keywords: 
source separated human urine, fertilizer, nutrient recovery/recycling, acceptance of farmers and environmental engineers as occupational groups, Ecological Sanitation (ECOSAN)
Conference: 
CEST2021
Paper ID: 
cest2021_00462

Citizens’ perceptions towards urban solid waste management system: Case Study of the Municipality of Kozani

(Corresponding) Adamidis T., Latinopoulos D.
Topic: 
Waste strategies development
The aim of this study is to investigate, through a survey the perceptions and attitudes of citizens about urban solid waste management system in the Municipality of Kozani. The objective of this survey is to obtain information related to: the actual behavior of citizens, the determining factors...Read more
Keywords: 
Urban solid waste management and recycling,Existing waste collection services,Rewarding recycling,Citizens’ perceptions,Questionnaire survey
Conference: 
CEST2021
Paper ID: 
cest2021_00466

Tackling single-use plastic items in the Mediterranean

(Corresponding) Xirou H., Sherrington C., Bapasola A.
Topic: 
Microplastics in the marine environment
Overall, plastics are estimated to account for around 95% of the waste in the open sea, on the seabed and on beaches across the Mediterranean. In the Mediterranean, it is estimated an annual plastic leakage of 229,000 tonnes, made up of 94% macroplastics and 6% microplastics [1]. The scope of this...Read more
Keywords: 
Single-Use Plastics, Marine Littering, Deposit-Refund System, recycling, microplastics
Conference: 
CEST2021
Paper ID: 
cest2021_00519

Nothing to Waste: A Green Venture Business Model supporting local communities to Circular Economy pathways

(Corresponding) TRITOPOULOU E., Malliaris M., Cretsi Bacolas N.
Topic: 
Circular economy and industrial symbiosis
Nothing-to-Waste is a green venture about the promotion and implementation of circular economy in the area of Western Thessaloniki, Greece, where 24 businesses are attempting to self-manage their waste in sustainable way. The project is being planned, implemented, coordinated and monitored by...Read more
Keywords: 
circular economy, business model, recycling
Conference: 
CEST2021
Paper ID: 
cest2021_00643

An overview of the plastic waste and recycling status in Qatar

(Corresponding) Hahladakis (Chachladakis) J.
Topic: 
Solid waste management
The State of Qatar has recently launched its national vision (QNV2030) underlining, therein, its full commitment to retain harmony between the main three pillars of sustainable development: economic growth, social development and environmental management. However, rapid development and "mega...Read more
Keywords: 
plastic waste; recycling; recovery; Qatar; circular economy
Conference: 
CEST2019
Paper ID: 
cest2019_00670