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methods of waste rubber recycling research papers

Six waste categories have recycling rates higher than 98%. In the case of rubber recycling, the waste rubber can go through size reduction, and the resulting powders can be melt blended with thermoplastic resins to produce thermoplastic elastomer (TPE) compounds. Full Length Research Paper Use of waste rubber tyres as aggregate in concrete Abubaker M. Almaleeh1,2*, Stanley M. Shitote3 and Timothy Nyomboi3 1Structural Engineering Department, Pan African University, Institute for Basic Sciences, Technology and Innovation, at Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, Kenya. This is an open access article distributed under the, Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. Wood. The statements, opinions and data contained in the journal, © 1996-2021 MDPI (Basel, Switzerland) unless otherwise stated. control, breakwaters and floatation devices). Considering the energy and green house gas emissions requirements, alternative carbon sources are put on the spot to replace, at least partially, the conventional materials, i.e. You seem to have javascript disabled. Combustion and landfilling as traditional methods of polymer waste elimination have several disadvantages such as the formation of dust, fumes, and toxic gases in the air, as well as pollution of underground water resources. In the case of rubber recycling, the waste rubber can go through size reduction, and the resulting powders can be melt blended with thermoplastic resins to produce thermoplastic elastomer (TPE) compounds. Figure 2: Methods for processing Plastic waste Several end-of-life options exist to deal with plastic waste, including recycling, disposal and incineration with or without energy recovery. The statements, opinions and data contained in the journals are solely Of these methods, chemical recycling is a research field which is gaining much interest now a days, as it turns out to be that the products formed in this method are highly advantageous. In this review, the latest developments related to recycled rubbers in TPE are presented, as well as the different compatibilisation methods used to improve the adhesion between waste rubbers and thermoplastic resins. Please note that many of the page functionalities won't work as expected without javascript enabled. Received: 11 September 2020 / Revised: 25 November 2020 / Accepted: 26 November 2020 / Published: 1 December 2020, (This article belongs to the Special Issue. CiteScore: 10.7 ℹ CiteScore: 2019: 10.7 CiteScore measures the average citations received per peer-reviewed document published in this title. Paper and other cellulose products. Paper Recycling was invented. MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Introduction Please note that many of the page functionalities won't work as expected without javascript enabled. Our dedicated information section provides allows you to learn more about MDPI. Simultaneous measurements were performed at Thermal Analyzer STA 449 F3 Jupiter's (Netzsch). Of Science And Tech.,India, CodeNo: TMS122Category: Environment: Recycling [11]Rokade S. “Use of Waste Plastic and Waste Rubber Tyres in … Fazli A, Rodrigue D. Waste Rubber Recycling: A Review on the Evolution and Properties of Thermoplastic Elastomers. Vjaceslavs Lapkovskis, Viktors Mironovs, Andrei Kasperovich, Vadim Myadelets, Dmitri Goljandin, Crumb Rubber as a Secondary Raw Material from Waste Rubber: A Short Review of End-Of-Life Mechanical Processing Methods, Recycling, 10.3390/recycling5040032, 5, 4, (32), (2020). From the point of energy consumption and environmental issues, polymer recycling is the most efficient way to manage these waste materials. Other than that, recycling method includes grinding the waste rubber and then incorporate the rubber particles into matrices such as concrete or polymer and used for civil engineering, or being manufactured into brand new products such as athletic tracks and Recycling involves: Separating materials; Collecting them; Re-manufacturing those materials into new products; Buying those new products and Using those new products. Multiple requests from the same IP address are counted as one view. Fazli, A.; Rodrigue, D. Waste Rubber Recycling: A Review on the Evolution and Properties of Thermoplastic Elastomers. [12, 13] To date, several recycling methods are being employed, [6] most of them related to the grinding of rubber waste in a powder. Recycling 2020, 5, 32. The another way to turn waste tires into recycled resources is waste tire pyrolysis recycling. TPE are multi-functional polymeric materials combining the processability of thermoplastics and the elasticity of rubbers. The fundamental role of recycling is evident, and the development of high-efficiency processes represents a crucial priority for the European market. Shredded rubber can be used as an additive in asphalt pavements, and discarded tires may be used as components of swings and other assorted recreational climbing equipment in “tire playgrounds” for children. People have been reusing this traditional, sustainable material for as long as human history. Rubber crumbs or crumb rubber, the product obtained from ambient/cryogenic grinding of scrap tires, is used for manufacture of new tires or in a variety of landscaping applications including path paving projects, playground surface cover, running tracks, and athletic field turfs.. Pyrolysis. However, these materials show poor mechanical performance as a result of the incompatibility and immiscibility of most polymer blends. The paper describes the basic problems regarding the possibility of using waste plastics and tire rubber waste as raw materials for the preparation of liquid energy carriers for transport (WtL processes) or directly to energy use in a WtE. 2020; 5(4):32. Received: 19 November 2019 / Revised: 4 February 2020 / Accepted: 5 February 2020 / Published: 8 February 2020, (This article belongs to the Special Issue. The global plastic consumption increased from 299 million metric tons per year in 2013 to 355 million metric tons in 2016 ( Statista, 2018 ). Subscribe to receive issue release notifications and newsletters from MDPI journals, You can make submissions to other journals. "Waste Rubber Recycling: A Review on the Evolution and Properties of Thermoplastic Elastomers" Materials 13, no. Organic waste can be used as fertilizer after processing. Progress in Rubber, Plastics and Recycling Technology is a peer-reviewed journal that aims to bridge the gap between research and development and the practical and commercial applications of polymers in a wide range of uses. This paper forms part of research to solve two main problems in Ghana: firstly, the management of municipal solid waste (MSW), particularly with regards to used plastics which have overwhelmed major cities and towns; secondly, the formation of potholes onroads due to excessive traffic and axle weight. From the point of energy consumption and environmental issues, polymer recycling is the most efficient way to manage these waste materials. The statements, opinions and data contained in the journals are solely Industrial Research Vol.68,2009. Scientific Laboratory of Powder Materials, Riga Technical University, 6B Kipsalas Str., Lab. We use cookies on our website to ensure you get the best experience. 110, LV-1048 Riga, Latvia, Department of Technology of Petrochemical Synthesis and Polymer Materials Processing, Belarussian State Technological University, Sverdlova Str. Currently, plastics and rubbers are broadly being used to produce a wide range of products for several applications like automotive, building and construction, material handling, packaging, toys, etc. Pyrolysis refers to the thermal decomposition of scrap tires either in the absence or lack of oxygen. In 2008, around one billion end-of-life tyres (ELTs) were being produced globally each year. those of the individual authors and contributors and not of the publisher and the editor(s). The present work aims at the recycling of rubber scrap via grinding, and identifying utilization methods that may be effective in solving the rubber scrap problem. Finally, a conclusion on the current situation is provided with openings for future works. Multiple requests from the same IP address are counted as one view. About this journal. 'Recyclable' waste has lowest recycling rates in plastic (7 5%), rubber (5 4%) and wood (4 6%) wastes. Lapkovskis, V.; Mironovs, V.; Kasperovich, A.; Myadelets, V.; Goljandin, D. Crumb Rubber as a Secondary Raw Material from Waste Rubber: A Short Review of End-Of-Life Mechanical Processing Methods. - Material recycling is the most available and the most often usage method of recycling. 2003-01-2775. In this paper, we review existing methods for processing of end-of-life tires, in order to obtain rubber crumb, which can later be used in the production of new industrial rubber goods and composites. Keywords: Plastics, packaging, recycling, plastic waste management. 2020. Please let us know what you think of our products and services. In this process of producing reclaimed rubber, breakage of crosslinking points in the crosslinked rubber occurs selectively under the controls of shear stress, reaction temperature, and internal pressure in a modular screw type reactor. 2020. 2020; 13(3):782. Nuclear and toxic waste is usually buried or drown in the sea, but that … A new material recycling technology for crosslinked rubber was developed using the continuous reactive processing method. Author to whom correspondence should be addressed. Here briefly focus on why waste reduction and recycling is important; and determine methods to reduce, recycle and reuse items. ordinary waste' has the lowest recycling rate of all categories (1 5%). rubber; recycling; waste polymers; thermoplastic elastomer; compatibilisation, Help us to further improve by taking part in this short 5 minute survey, Energy Absorption Behavior of Al-SiC-Graphene Composite Foam under a High Strain Rate, Devulcanization Technologies for Recycling of Tire-Derived Rubber: A Review, First Electrochemical Sensor (Screen-Printed Carbon Electrode Modified with Carboxyl Functionalized Multiwalled Carbon Nanotubes) for Ultratrace Determination of Diclofenac, Assessment of the Environmental Impact of a Car Tire throughout Its Lifecycle Using the LCA Method. Plastic packaging has the longest established system for the recovery and recycling The statements, opinions and data contained in the journal, © 1996-2021 MDPI (Basel, Switzerland) unless otherwise stated. The paper discusses prospects of plastic waste management schemes. chemical recycling. Subscribe to receive issue release notifications and newsletters from MDPI journals, You can make submissions to other journals. Fazli, Ali; Rodrigue, Denis. This leads to phase separation and weak adhesion between both phases. The increase of polymeric waste materials’ generation (plastics and rubbers) in the world led to the need to develop suitable methods to reuse these waste materials and decrease their negative effects by simple disposal into the environment. ... rubber latex, crumb rubber, etc. Our dedicated information section provides allows you to learn more about MDPI. Recycling. See further details. Materials 2020, 13, 782. The first paper mill was placed in Spain and then paper was started being produced all over the world in mills. waste materials such as rubber and high density polyethylene (HDPE) plastics may react with gas and slag phases resulting in devolatilization, combustion and iron oxide reduction reactions. In this paper, we review existing methods for processing of end-of-life tires, in order to obtain rubber crumb, which can later be used in the production of new industrial rubber goods and composites. It depends on following direct waste processing in the aim of material obtaining which is full value raw material to the further processing. (Figures relate to separately collected materials and may not reflect actual treatment – as a fraction may Please let us know what you think of our products and services. 13a, 220006 Minsk, Belarus, Department of Mechanical and Industrial Engineering, Tallinn University of Technology (TalTech), Ehitajate Tee 5, 19086 Tallinn, Estonia. 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