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NEW CONCRETE ADDITIVE BY CHEMICAL RECYCLING OF PET

NEW CONCRETE ADDITIVE BY CHEMICAL RECYCLING OF PET José Miguel Mendivil-Escalante 1, Jorge Luis Almaral-Sánchez , José Manuel Gómez-Soberón2, Susana Paola Arredondo-Rea 1, Ramón Corral-Higuera , Andrés Castro-Beltrán1, Francisca Guadalupe Cabrera-Covarrubias3

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NEW CONCRETE ADDITIVE BY CHEMICAL RECYCLING OF PET –

Sep 01, 2014  Abstract. Read online. Due to the problem that represents the accelerated production of waste from the consumption of polyethylene terephthalate (PET), it becomes necessary to look for alternative solutions; chemical recycling is a suitable method for conversion into a material with potential application in concrete additive, such as unsaturated polyester resins; with the above improvements ...

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New concrete additive by chemical recycling on PET

Due to the problem that represents the accelerated production of waste from the consumption of polyethylene terephthalate (PET), it becomes necessary to look for alternative solutions; chemical recycling is a suitable method for conversion into a material with potential application in concrete additive, such as unsaturated polyester resins; with the above improvements and conservation of non ...

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New concrete additive by chemical recycling of PET ...

Due to the problem that represents the accelerated production of waste from the consumption of polyethylene terephthalate (PET), it becomes necessary to look for alternative solutions; chemical recycling is a suitable method for conversion into a material with potential application in concrete additive, such as unsaturated polyester resins; with the above improvements and conservation of non ...

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NEW CONCRETE ADDITIVE BY CHEMICAL RECYCLING OF PET - CORE

Abstract. Due to the problem that represents the accelerated production of waste from the consumption of polyethylene terephthalate (PET), it becomes necessary to look for alternative solutions; chemical recycling is a suitable method for conversion into a material with potential application in concrete additive, such as unsaturated polyester resins; with the above improvements and ...

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New concrete additive by chemical recycling on PET - CORE ...

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Recycling of poly(ethylene terephthalate) – A review ...

material, thermo-mechanical and chemical recycling of PET. Most frequently, PET-waste is incinerated for energy recovery, used as additive in concrete composites or glycolysed to yield mixtures of monomers and undefined oligomers. While

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(Y) New Concrete Additive by Chemical Recycling of Pet ...

Advances in Science and Technology. Research Journal Volume 8, No. 23, Sept. 2014, pages 1–5 Research Article DOI: 10.12913/22998624.1120307. NEW CONCRETE ADDITIVE BY CHEMICAL RECYCLING OF PET. José Miguel Mendivil-Escalante1, Jorge Luis Almaral-Sánchez1, José Manuel Gómez-Soberón2,

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New concrete additive by chemical recycling on PET - CORE

Abstract. Due to the problem that represents the accelerated production of waste from the consumption of polyethylene terephthalate (PET), it becomes necessary to look for alternative solutions; chemical recycling is a suitable method for conversion into a material with potential application in concrete additive, such as unsaturated polyester resins; with the above improvements and ...

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Irradiated recycled plastic as a concrete additive for ...

Jan 01, 2018  Because gamma irradiation of PET is known to result in a strengthened chemical structure, there is reason to believe that an irradiated waste plastic additive would take advantage of the improvements in concrete’s mechanical properties due to plastic alone as well as the polymer strength improvements resulting from irradiation.

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Recent Developments in the Chemical Recycling of PET

2 Recent Developments in the Chemical Recycling of PET Leian Bartolome 1, Muhammad Imran 2, Bong Gyoo Cho 3, Waheed A. Al-Masry 2 and Do Hyun Kim 1 1Korea Advanced Institute of Science and Technology (KAIST) 2King Saud University 3Korea Institute of Geoscience and Mineral Resources 1,3 Republic of Korea 2Saudi Arabia 1. Introduction Poly(ethylene terephthalate), more commonly known as PET

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Irradiated Recycled Plastic as a Concrete Additive for ...

irradiated plastic as a concrete additive for improved compressive strength. By partially replacing Portland cement with a repurposed waste material, this design, when scaled to the level of mass concrete production, could contribute to reduced carbon emissions and provide a long-term solution for waste plastic storage.

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New Mortar Mixes with Chemically Depolymerized Waste PET ...

Dec 12, 2020  Consequently, the chemical recycling process has a high potential in PET-waste recycling. In the chemical process, the PET bottles do not need to be purified as instead provided for the mechanical one. Chemical recycling by glycolysis is a suitable tool and this should reduce the cost of the recycled pet base.

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Chemical recycling of plastic waste

Facts about ChemCycling™ Complementary: Chemical recycling can be used to process plastic waste streams that are not recycled mechanically for technological, economic or ecological reasons.For example, while sorted single-stream plastic waste should be recycled mechanically, chemical recycling can be used for mixed post-consumer plastic waste streams, consisting of, e.g., PE, PP, PS, for ...

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Plastic has a problem; is chemical recycling the solution?

Oct 06, 2019  Chemical recycling hasn’t proved it will be the means by which they will keep those promises, but companies of all types are betting that the technology will be a part of the solution.

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Beyond Mechanical Recycling: Giving New Life to Plastic ...

This results in recycling rates of 21 to 42 wt % in the aforementioned countries including exports for recycling to other countries. 11, 12 The actual use of recycled plastic in new plastic products is only 12.3 wt % in Germany. 13 The collection and recycling schemes of these countries are forerunners while globally 40 wt % are landfilled and ...

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[PDF] Metamorphosis in the Porosity of Recycled Concretes ...

Porosity reductions of up to 30.60% are achieved with the addition of 1%, 3%, 4%, 5%, 7% and 9% of the additive, defining a new state in the behavioral model of the additive (the overdosage point) in the concrete matrix; in addition, the porous network of these concretes and their correlation with other physical and mechanical properties are ...

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New Enzyme Breaks Down Plastic In Hours And Enables High ...

Apr 11, 2020  A chemical breakdown of the enzyme with the enhancements superimposed. Nature. However, waste bottles must be ground up and heated before the new enzyme is mixed in; these additions to the process ...

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LITERATURE REVIEW: USING RECYCLED PLASTICS FOR

ADDITIVES . New End Market Opportunities (NEMO) for Film . May 29, 2018 . Page 2 ... ash and post-consumer PET Concrete composite . PET >50% . Fly ash was found to improve the use of ... Recycling of PET bottles as fine aggregate in concrete Concrete composite . PET . 5% .

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New Method for Circular Chemical Recycling of PLA ...

Feb 05, 2020  DED and Large-Format Additive Manufacturing Markets: 2021-2030 ... New Method for Circular Chemical Recycling of PLA ... the researchers were able to run small tests on the recycling of PET

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Recycling of PET

The increase in MW of chain extended R-PET al- ters the crystallisation rate and the crystallinity level and that in turn influences the RER-PET performance and properties including ... Other. Recycling of PET .

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New Mortar Mixes with Chemically Depolymerized Waste PET ...

Dec 12, 2020  Consequently, the chemical recycling process has a high potential in PET-waste recycling. In the chemical process, the PET bottles do not need to be purified as instead provided for the mechanical one. Chemical recycling by glycolysis is a suitable tool and this should reduce the cost of the recycled pet base.

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LITERATURE REVIEW: USING RECYCLED PLASTICS FOR

ADDITIVES . New End Market Opportunities (NEMO) for Film . May 29, 2018 . Page 2 ... ash and post-consumer PET Concrete composite . PET >50% . Fly ash was found to improve the use of ... Recycling of PET bottles as fine aggregate in concrete Concrete composite . PET . 5% .

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MIT students fortify concrete by adding recycled plastic ...

Oct 25, 2017  Reusing plastics as concrete additives could also redirect old water and soda bottles, the bulk of which would otherwise end up in a landfill. “There is a huge amount of plastic that is landfilled every year,” says Michael Short, an assistant professor in

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New Method for Circular Chemical Recycling of PLA ...

Feb 05, 2020  DED and Large-Format Additive Manufacturing Markets: 2021-2030 ... New Method for Circular Chemical Recycling of PLA ... the researchers were able to run small tests on the recycling of PET

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SIKA ACHIEVES BREAKTHROUGH IN CONCRETE RECYCLING BY

Mar 02, 2021  So far, attempts to recycle old concrete have led to rather low recycling rates, and only 30% of primary material can be substituted by these recycled materials in structural concrete.

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Recent Studies on Recycled PET Fibers: Production and ...

Jan 22, 2021  In the recycling process, small flakes from the bottles go into the dryer and after drying, they enter the extruder, then after the extrusion process, they turn into yarn and fabric (Montava-Jorda et al. 2020).Doan et al. (Doan et al. 2020) prepared R-PET fibrous membrane by electrospinning and applied them as an oil-water separator.Nonwoven fabrics, air filters, and smoke filters are another ...

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Study of Waste Plastic Mix Concrete with Plasticizer

May 17, 2012  The fresh and hardened properties of waste virgin plastic mix concrete have been studied (CUR Report 1991). A number of concrete mixes were prepared in which sand was partially replaced by waste plastic flakes in varying percentages by volume. Waste plastic mix concrete with and without superplasticizer was tested at room temperature. Forty-eight cube samples were moulded for

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Chemical recycling of plastic waste

Facts about ChemCycling™ Complementary: Chemical recycling can be used to process plastic waste streams that are not recycled mechanically for technological, economic or ecological reasons.For example, while sorted single-stream plastic waste should be recycled mechanically, chemical recycling can be used for mixed post-consumer plastic waste streams, consisting of, e.g., PE, PP, PS, for ...

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BASF: new ideas for the circular economy - RECYCLING magazine

Dec 10, 2020  Chemical recycling transforms plastic waste into secondary raw materials, for example, through a thermochemical process called pyrolysis. The output of this process is pyrolysis oil, which can be used by the chemical industry to make new products. The advantages of this process are that it can also recycle mixed and unclean plastic waste streams.

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New Enzyme Breaks Down Plastic In Hours And Enables High ...

Apr 11, 2020  A chemical breakdown of the enzyme with the enhancements superimposed. Nature. However, waste bottles must be ground up and heated before the new enzyme is mixed in; these additions to the process ...

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Plastics recycling: challenges and opportunities

Jul 27, 2009  Chemical recycling of PET has been more successful, as de-polymerization under milder conditions is possible. PET resin can be broken down by glycolysis, methanolysis or hydrolysis, for example to make unsaturated polyester resins (Sinha et al. 2008).

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Guidance for Industry: Use of Recycled Plastics in Food ...

“Recycling” is the processing of waste to make new articles. Because bottles intended for reuse are not made to be discarded and become waste, reuse is not considered recycling.

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Exploració per tema "Building materials--Recycling"

New concrete additive by chemical recycling on PET  Mendivil Escalante, José M. ; Almaral Sánchez, Jorge Luis ; Gómez Soberón, José Manuel Vicente ; Arredondo Rea, Susana Paola ; Corral Higuera, Ramón ; Castro Beltrán, Andrés ; Cabrera Covarrubias, Francisca Guadalupe ( 2014 )

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Chemical Recycling 101 - BPF

Chemical recycling serves as an alternative to landfill and incineration for erstwhile hard-to-recycle plastic products such as films, multi-layered and laminated plastics. Additionally, chemical recycling supplies virgin-quality raw materials to the plastics supply chain. This enables the production of food grade plastics from post-consumer waste.

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