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Journal articles on the topic 'Recycling agent'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Cheng, Peifeng, Pengcheng Qiao, Chunmeng Zheng, Ziyu Liu, Zhanming Zhang, and Yiming Li. "Study on the Performance and Mechanism of Cold-Recycled Asphalt Based on Permeable Recycling Agent." Materials 16, no. 19 (2023): 6464. http://dx.doi.org/10.3390/ma16196464.

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In order to investigate the influence of recycling agent composition on the recycling effect of aged asphalt in the cold recycling process, the design and optimization of cold recycling agent composition were performed through the central composite design-response surface method combined with the dynamic shear rheometer (DSR) test and the bending beam rheometer (BBR) test. The molecular weight distribution and component changes in aged asphalt before and after the addition of a cold recycling agent were also analyzed by gel permeation chromatography (GPC) and hydrogen-flame ionization test. Th

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Ming, Tu Zhang, Yuan Zhuang, and Guang Wei Hu. "The Influence of Recycling Agents on the Performance of Regenerated Asphalt." Applied Mechanics and Materials 448-453 (October 2013): 665–68. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.665.

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In this paper, the ageing degree of recovered asphalt collected from old asphalt mixture is firstly estimated by comparing with virgin asphalt. Then, two kinds of different recycling agents are selected to mix with recovered asphalt. The influence of recycling agent type and content on regenerated asphalt performance is then studied. The results show serious condition of ageing and high viscosity of waste asphalt. As the recycling agent content increasing, the asphaltene and resin content of regenerated asphalt reduced, the aromatics content increased, while the saturate content showed a small

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3

Sarsam, Saad Isaa, and Ali Muhssin Shahatha AL-Shujairy. "Assessing Tensile and Shear Properties of Recycled Sustainable Asphalt Pavement." Journal of Engineering 21, no. 6 (2015): 146–61. http://dx.doi.org/10.31026/j.eng.2015.06.10.

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Hot mix recycling of asphalt pavements is increasingly being used as one of the major rehabilitation methods by various highway agencies. Besides general savings in costs and energy expended, it also saves our natural resources and environment. Recycling process presents a sustainable pavement by using the old materials that could be reclaimed from the pavement; these materials could be mixed with recycling agents to produce recycled mixtures. The important expected benefits of recycling process are the conservation of natural resources and reduction of environmental impact. The primary object

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4

Tanaka, Takashi. "De-inking Agent and Assist Agent for Recycling Paper." JAPAN TAPPI JOURNAL 59, no. 7 (2005): 1014–21. http://dx.doi.org/10.2524/jtappij.59.1014.

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5

Abe, Abraham A., Paolino Caputo, Shahin Eskandarsefat, et al. "Rejuvenating Agents vs. Fluxing Agents: Their Respective Mechanisms of Action on Bitumen Subjected to Multiple Aging Cycles." Applied Sciences 13, no. 2 (2023): 698. http://dx.doi.org/10.3390/app13020698.

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During the service life of road pavements, the asphalt, more specifically the surface layer, is susceptible to aging due to the oxidation phenomenon and the loss of the volatile compounds of bitumen, which functions as the binder in the asphalt conglomerate. Road pavements that undergo a significant level of oxidation become rigid and susceptible to cracking, and new paving operations will need to be carried out in order to make the road ideal for continued use. However, due to recent eco-friendly initiatives that have been put in place to promote a circular economy and also mitigate the probl

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6

Sun, Jian Xun. "Asphalt Recycling Agent Diffusion Evaluation Method." Advanced Materials Research 1065-1069 (December 2014): 683–86. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.683.

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The degree of diffusion is an important index of aging asphalt regeneration process, and diffusion model can more direct regeneration of recycled asphalt pavement material is described. By comparing the different diffusion model, and a variety of different diffusion effect evaluation method, providing basic theoretical research for the regeneration agent in aging effect of diffusion asphalt.

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Geng, Jiu Guang, Min Nan Zheng, and Mei Qian Jin. "Feasibility of Recycling Technology of Crumb Rubber Modified Asphalt." Advanced Materials Research 1073-1076 (December 2014): 960–64. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.960.

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The aged crumb rubber modified asphalt (abbreviated as CRMA) was recycled with two methods which were adding fresh CRMA binder and adding recycling agent to investigate the recycling feasibility of aged CRMA binder. The performance of recycled CRMA binder was evaluated systematically with a variety of indices, including penetration, softening point, ductility and viscosity. The results indicate that the performance of recycled CRMA binder has good correlation with the content of the fresh CRMA binder or recycling agent. The performance of recycled CRMA binder mixing with the fresh CRMA binder

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8

Sarsam, Saad Isaa, and Israa Lutfi AL-Zubaidi. "Resistance to Moisture Damage of Recycled Asphalt Concrete Pavement." Journal of Engineering 21, no. 5 (2015): 45–54. http://dx.doi.org/10.31026/j.eng.2015.05.04.

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Recycled asphalt concrete mixture are prepared, artificially aged and processed in the laboratory to maintain the homogeneity of recycled asphalt concrete mixture gradation, and bitumen content. The loose asphalt concrete mix was subjected to cycle of accelerated aging, (short –term aging) and the compacted mix was subjected to (long -term aging) as per Super-pave procedure. Twenty four Specimens were constructed at optimum asphalt content according to Marshall Method. Recycled mixture was prepared from aged asphalt concrete using recycling agent (soft asphalt cement blended with silica fumes)

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9

Ma, Yong Sheng, Lin Tong Wang, and Xian Hui Sun. "Deinking Technology and Deinking Agent of Waste Paper." Advanced Materials Research 335-336 (September 2011): 1340–43. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.1340.

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Recycling of waste paper is one of pop topics of pulping and papermaking industry. Deinking technology is the key of recycling of waste paper. It is briefly introduced that methods of waste paper deinking and mechanism of deinking and constitute of deinking agent.

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10

Ding, Zhan, Cheng Shen, Jun Jiang, and Shao Ying He. "Research on Comprehensive Utilization of Waste Rubber and Aged Asphalt." Applied Mechanics and Materials 34-35 (October 2010): 1526–31. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.1526.

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With the development of highway transportation and automotive industry, there have been a large number of waste rubber and waste asphalt mixture. If they cannot be recycled in time, it will not only become a waste of resources, but also cause serious environmental pollution. For the comprehensive utilization of waste resources, the asphalt recycling agent is developed using waste rubber by microwave treatment in light components agents. The flexibility and consistency with aged asphalt of old rubber are all improved by adding appropriate light-component auxiliary agent and the treatment of mic

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11

Liu, Yuxin, Jiekuo Hao, Chunhui Li, et al. "How Can Construction and Demolition Waste Recycling Public–Private Partnership Projects Performance Compensate during the Operation Period? A Two-Stage Perspective of Recycling and Remanufacturing." Systems 11, no. 4 (2023): 170. http://dx.doi.org/10.3390/systems11040170.

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Research in the field of project management has focused on recycling construction and demolition waste (CDW). However, the problem of how to compensate for the performance of CDW recycling public–private partnership (PPP) projects during the operation period has not been resolved. This paper aims to reveal the compensation mechanism during the operation period of CDW recycling PPP projects considering the two-stage performance of recycling and remanufacturing. This paper takes CDW recycling PPP projects as the research object and uses the Stackelberg game and principal-agent theory to establis

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12

Tian, Yanjuan, Mulian Zheng, Hailei Xu, Chupeng Chen, and Jinhao Zhang. "Comparison and Analysis of the Performances and Mechanisms of Recycled Asphalt Incorporating High-Permeability Rejuvenating Agent." Advances in Civil Engineering 2019 (August 20, 2019): 1–16. http://dx.doi.org/10.1155/2019/5232534.

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The objective of this study is to develop a highly permeable rejuvenating agent for the recycling of the asphalt pavement. The rheological properties and permeability of recycled asphalt after adding the self-developed rejuvenating agent, as well as two other agents, were compared and evaluated. An improved softening point method was devised to evaluate the permeability. In addition, the recycled asphalt was analyzed using Fourier transform infrared spectroscopy (FTIR). The results showed that the self-developed rejuvenating agent had high permeability, could effectively restore the performanc

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13

Dixit, Nikhil. "Uses of Reclaimed Asphalt Pavement (RAP) in Flexible Pavements." International Journal for Research in Applied Science and Engineering Technology 13, no. 6 (2025): 2094–101. https://doi.org/10.22214/ijraset.2025.72587.

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One of the most frequently used waste materials is reclaimed asphalt pavement (RAP). The use of RAP can help reduce the cost of a project and ensure that the project is eco-friendly. Therefore, the aim of this study is to give a detailed description of the production of RAP to ensure that the rehabilitation and maintenance of pavements as well as the construction of pavements are environmentally friendly and cost effective. Previous works have shown the benefits of using RAP with regard to its ability to produce equally good or even superior results compared to the use of virgin or original mi

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Coco, Emily. "Exploring the impact of mobility and selection on stone tool recycling behaviors through agent-based simulation." PLOS ONE 18, no. 11 (2023): e0294242. http://dx.doi.org/10.1371/journal.pone.0294242.

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Recycling behaviors are becoming increasingly recognized as important parts of the production and use of stone tools in the Paleolithic. Yet, there are still no well-defined expectations for how recycling affects the appearance of the archaeological record across landscapes. Using an agent-based model of recycling in surface contexts, this study looks how the archaeological record changes under different conditions of recycling frequency, occupational intensity, mobility, and artifact selection. The simulations also show that while an increased number of recycled artifacts across a landscape d

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15

Hamdan, Rana Khaled, and Saad Issa Sarsam. "Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement." Civil Engineering Journal 5, no. 9 (2019): 2058–69. http://dx.doi.org/10.28991/cej-2019-03091393.

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Recycling can be considered as one of the measures of sustainable methods. The physical traits of the asphalt mixture under the influence of accelerated aging (Long and Short–Term) for asphalt concrete were assessed. Asphalt cement (40-50), aggregate with 12.5 mm nominal extreme size and limestone dust as filler of the mineral was used for the preparation of asphalt concrete mixture. At the optimum content of the asphalt and asphalt of 0.5 percent below and above the optimum value, specimens were prepared by using Marshall Method. Two types of polymers as recycling agents were used (Polyethyle

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16

Mun, Young-Bum, Hyun-Kuk Choi, Jae-Young Kim, Jea-Hyung Lee, Chul-Woo Chung, and Ji-Hyun Kim. "Recycling Waste Paste from Concrete for Solidifying Agent." Journal of the Korea Institute of Building Construction 17, no. 3 (2017): 269–77. http://dx.doi.org/10.5345/jkibc.2017.17.3.269.

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17

Kimura, Motoaki. "Stickies Control Agent for Recycling Paper by OPTIMYZE." JAPAN TAPPI JOURNAL 60, no. 7 (2006): 1005–11. http://dx.doi.org/10.2524/jtappij.60.1005.

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18

Shao-peng, Wu, Huang Xiao-ming, and Zhao Yong-li. "The development of recycling agent for asphalt pavement." Journal of Wuhan University of Technology-Mater. Sci. Ed. 17, no. 3 (2002): 63–65. http://dx.doi.org/10.1007/bf02838543.

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19

Gao, Ming, and Yufan Chen. "Multi-agent collaborative model of e-waste recycling." Journal of Environmental Management 349 (January 2024): 119457. http://dx.doi.org/10.1016/j.jenvman.2023.119457.

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20

Liang, Jie, Kai Xu, Li Jun Fan, and Yan Huang. "The Synthesized Principle and Property of Several Extraction Agents for Germanium." Advanced Materials Research 455-456 (January 2012): 624–29. http://dx.doi.org/10.4028/www.scientific.net/amr.455-456.624.

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There is an introduction of the synthesis principles and extraction performance of several kinds of germanium extraction agents including Lix63, Kelex100, and 7815. In addition, the general procedures and technical advantages of the extraction agents for germanium recycling are analyzed and compared. Finally, recommendations for the synthesis of a new generation of germanium extraction agent are proposed.

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21

Aldrich, Courtney C., Joseph A. Buonomo, Malcolm S. Cole, and Carter G. Eiden. "1,3-Diphenyldisiloxane Enables Additive-Free Redox Recycling Reactions and Catalysis with Triphenylphosphine." Synthesis 52, no. 23 (2020): 3583–94. http://dx.doi.org/10.1055/s-0040-1707345.

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The recently reported chemoselective reduction of phosphine oxides with 1,3-diphenyldisiloxane (DPDS) has opened up the possibility of additive-free phosphine oxide reductions in catalytic systems. Herein we disclose the use of this new reducing agent as an enabler of phosphorus redox recycling in Wittig, Staudinger, and alcohol substitution reactions. DPDS was successfully utilized in ambient-temperature additive-free redox recycling variants of the Wittig olefination, Appel halogenation, and Staudinger reduction. Triphenylphosphine-promoted catalytic recycling reactions were also facilitated

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22

Chen, Jing Yun, Jia Yin Liu, and Qiang Ma. "Performance Evaluation of Recycled SMA Mixtures with Warm-Mix Agent." Advanced Materials Research 723 (August 2013): 648–55. http://dx.doi.org/10.4028/www.scientific.net/amr.723.648.

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The purpose of this paper is to study the pavement performance of warm-mix recycled SMA mixture. This paper presents a comparative study on performances of aged mixture and warm-mix recycled SMA adding regenerator and warm-mix agent. The results of air void content show that the best mixing temperature of warm-mix recycled SMA mixture is 140 degree centigrade. The Marshall stability, flow number, Marshall residual stability, indirect tensile strength ratio after freezing and thawing and dynamic stability before and after recycling are obtained from laboratory tests. The performance of recycled

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23

Chen, Liqiang, and Ming Gao. "Formal or informal recycling sectors? Household solid waste recycling behavior based on multi-agent simulation." Journal of Environmental Management 294 (September 2021): 113006. http://dx.doi.org/10.1016/j.jenvman.2021.113006.

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24

Chen, Jian-Shiuh, Cheng-Te Lee, and Yen-Yu Lin. "Characterization of a Recycling Agent for Restoring Aged Bitumen." Journal of Materials in Civil Engineering 30, no. 8 (2018): 05018003. http://dx.doi.org/10.1061/(asce)mt.1943-5533.0002388.

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25

Dostatni, Ewa, Jacek Diakun, Adam Hamrol, and Waldemar Mazur. "Application of agent technology for recycling‐oriented product assessment." Industrial Management & Data Systems 113, no. 6 (2013): 817–39. http://dx.doi.org/10.1108/imds-02-2013-0062.

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26

Shimoyama, Ryugo. "The Deinking Agent and Other Chemicals for Pulp Recycling." JAPAN TAPPI JOURNAL 67, no. 11 (2013): 1252–61. http://dx.doi.org/10.2524/jtappij.67.1252.

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27

Dr., Hasan H. Joni *. Farah A. Mohsin. "ASSESSING THE EFFECT OF EMULSIFIED ASPHALT AS A REJUVENATOR FOR HIGHLY OXIDIZED ASPHALT PAVEMENT." Global Journal of Engineering Science and Research Management 3, no. 10 (2016): 83–94. https://doi.org/10.5281/zenodo.162156.

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Rejuvenation of highly oxidized asphalt pavement is a good choice in reducing the binder viscosity and hardness to reach the desired mixture workability and the necessary performance, especially when using high percentage of reclaimed asphalt pavement (RAP) in the mixture. Rejuvenating agents such as emulsified asphalt cements or emulsified recycling agents are utilized for fully cold recycling operations due to the liquid nature for them at ambient temperatures, also these agents have the ability for being scattered throughout the mixture, and do not consider a reason in main air pollution pr

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Lai, Jia Yen, Lock Hei Ngu, and Farouq Twaiq. "Template Recycling and Reuse in MCM-41 Synthesis: Statistical Study." Journal of Applied Science & Process Engineering 5, no. 1 (2018): 213–26. http://dx.doi.org/10.33736/jaspe.416.2018.

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The recycle and reuse of template in MCM-41 synthesis were analysed using 23 full factorial design in order to study the effect of the template extraction parameters on the mass of MCM-41 powder produced. Four consecutive MCM-41 synthesis cycles utilizing the recycled template were studied with three factors that are ethanol fraction (A), amount of ion exchange agent (B) and the type of ion exchange agent (C). The significant effects contributed by the factors A, B and C and their interactions were identified through the half-normal probability plot and normal probability plot of the residuals

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Samadikun, Budi Prasetyo, Arya Rezagama, Bimastyaji Surya Ramadan, Pertiwi Andarani, and Erina Dwi Rumanti. "Understanding Informal Actors Of Plastic Waste Recycling In Semarang City." Jurnal Ilmu Lingkungan 18, no. 1 (2020): 162–70. http://dx.doi.org/10.14710/jil.18.1.162-170.

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ABSTRAKKegiatan daur ulang sampah di Kota Semarang dapat dilakukan dengan cukup baik berkat campur tangan dari sektor informal. Sayangnya, kegiatan pengelolaan sampah formal tidak mempertimbangkan nilai pemulihan sampah. Penelitian ini bertujuan untuk mengidentifikasi aliran sampah plastik di sektor informal di Kota Semarang. Peneliti menggunakan wawancara mendalam untuk mengumpulkan data. Ada 46 agen daur ulang, termasuk lima (5) pemulung, 17 pengepul 20 perusahaan skala kecil, tiga (3) perusahaan skala besar, dan 1 perantara (pabrik penggilingan plastik) yang telah diwawancarai. Data dari Ba

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Chen, Ruei-Tang, and Chien-Feng Liao. "Evaluation and Optimization to Recycle Used TiO2Photoelectrode for Dye-Sensitized Solar Cells." International Journal of Photoenergy 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/650945.

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This study proposes a method for recycling and activating the titanium oxide (TiO2)/fluorine-doped tin oxide (FTO) photoanode in dye-sensitized solar cells (DSCs) by repeated dye adsorption and desorption processes using various desorption agents. This simple and convenient method could be utilized to activate TiO2photoelectrodes for DSCs after the long-term operation. The devices are immersed in acidic, alkaline, and neutral media of various concentrations for desorption and then are soaked in the N719 solution again. The optimal device had an overall power conversion efficiency (AM 1.5 G, 10

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Benoit, Nathalie, Rubén González-Núñez, and Denis Rodrigue. "Long-term closed-loop recycling of high-density polyethylene/flax composites." Progress in Rubber, Plastics and Recycling Technology 34, no. 4 (2018): 171–99. http://dx.doi.org/10.1177/1477760618797534.

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This work investigates the loss of performance and the recyclability of natural fibre composites for a long-term closed-loop process. Composites based on flax fibres and high-density polyethylene are subjected up to 50 extrusion cycles under constant processing conditions with or without maleic anhydride grafted polyethylene as a coupling agent. The results show that the addition of fibre increases the rigidity but decreases the elongation properties. The initial processing cycle leads to an important decrease of the fibre length and modification of the molecular weight distributions, thus ind

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Li, Xin Gong, Hui Li, Fang Cheng, and Zhuo Tong. "Study on Old Newspaper Recycling Fiber-Reinforced PLA Composites." Advanced Materials Research 183-185 (January 2011): 2227–31. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.2227.

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In the research, old newspaper recycling fiber-reinforced polylactic acid composites were produced by using injection molding technology. The influences of MAPP coupling agent and newspaper alkali deinking treatment on the performance of composite materials were studied. The results showed: MAPP can effectively improve the compatibility of old newspaper recycling fibers and PLA and increase the mechanical properties of composites; the alkali deinking treatment can effective improve the adhesion of newspaper recycling fibers and PLA and increase the mechanical properties of composites.

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PINPRU, Nattapong, Chiranicha NINTHAP, Supang SRIPRAPHOT, and Supharada KHAISAAT. "LLDPE film development surface with nucleating agents to reduce fat stains from food adherence on the film surface for easy rinsing before recycling." Journal of Metals, Materials and Minerals 34, no. 1 (2024): 1807. http://dx.doi.org/10.55713/jmmm.v34i1.1807.

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The purpose of this research was to enhance the surface of linear low-density polyethylene (LLDPE) film by using single and hybrid nucleating agents to reduce fat stains from food adherence on the film surface for easy rinsing before recycling, consequently reducing energy consumption before recycling. The process begins with the preparation of a high-concentration masterbatch of LLDPE with nucleating agents and polyethylene glycol (PEG), followed by blown film and test analysis. The results showed that both single and hybrid nucleating agents resulted in substantial modifications in the surfa

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A. Zhunusov, A. Kenzhebekova, and A. Zhunusova. "RECYCLING OF METALLURGICAL WASTES." Science and Technology of Kazakhstan, no. 4.2021 (December 27, 2021): 59–66. http://dx.doi.org/10.48081/fizv7488.

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This article presents the results of a research on the recycling of wastes from metallurgical plants in the city of Pavlodar at a steel smelting plant KSP Steel. The pellets were produced with aspiration dust and mixed with steelmaking (white) slag, ferrous sand, scale. The produced pellets were fired at a temperature of 600 ° C. The experience with the use of 20% white slag, 20% ferrous sand mixed with aspiration dust and 10% mill scale shows, after burning in a furnace, quite satisfactory strength, which is 80 kg / pellet. The principal possibility of steelmaking using pellets is shown. A po

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Ono, Takahisa, Jun Hagihara, and Masanori Akiyoshi. "Recycling construction materials by multi-agent based coordination assistant system." IEEJ Transactions on Electronics, Information and Systems 118, no. 10 (1998): 1418–23. http://dx.doi.org/10.1541/ieejeiss1987.118.10_1418.

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Meng, Xiaoyan, Zongguo Wen, and Yi Qian. "Multi-agent based simulation for household solid waste recycling behavior." Resources, Conservation and Recycling 128 (January 2018): 535–45. http://dx.doi.org/10.1016/j.resconrec.2016.09.033.

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Shi, Xiaoran, Aristotelis E. Thanos, and Nurcin Celik. "Multi-objective agent-based modeling of single-stream recycling programs." Resources, Conservation and Recycling 92 (November 2014): 190–205. http://dx.doi.org/10.1016/j.resconrec.2014.07.002.

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Hamawand, Ihsan, Talal Yusaf, and Sardasht Rafat. "Recycling of Waste Engine Oils Using a New Washing Agent." Energies 6, no. 2 (2013): 1023–49. http://dx.doi.org/10.3390/en6021023.

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Espinosa, Denise Crocce Romano, and Jorge Alberto Soares Tenório. "Recycling of nickel–cadmium batteries using coal as reducing agent." Journal of Power Sources 157, no. 1 (2006): 600–604. http://dx.doi.org/10.1016/j.jpowsour.2005.07.061.

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40

Zghibarcea, Ș., D. Ungureanu, N. Țăranu, D. Hoha, RA Polcovnicu, and TA Leizeriuc. "Cold in-place recycling of aged and deteriorated asphalt and concrete pavements." IOP Conference Series: Materials Science and Engineering 1182, no. 1 (2021): 012084. http://dx.doi.org/10.1088/1757-899x/1182/1/012084.

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Abstract This study focuses on implementing two distinct recycling methods, the reclaimed asphalt pavement and the reclaimed concrete material, on classical road pavements, by totally replacing the surface or base courses with ones made with recovered materials. The majority of the road networks in the eastern European countries were built between 1950 and 1980 and are, nowadays, aged and degraded. Within this frame, the cold in-place recycling methods were developed, which can be applied to both asphalt and concrete pavements. During the cold in-place recycling process, the reclaimed asphalt

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Kim, Jong-Sang, and Yong-Taek Han. "Performance of Recycled Fire-Extinguishing Agents in Terms of Fire-Fighting Performance Management." Fire Science and Engineering 34, no. 5 (2020): 34–41. http://dx.doi.org/10.7731/kifse.f87031aa.

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Since January 28, 2017, domestic fire extinguishers have been manufactured nationwide, and a domestic fire extinguisher can be used for 10 years. Hence, the treatment of the extinguishing agent existing in waste extinguishers is a critical issue economically and environmentally. Accordingly, the manufacturer reuses and recycles the fire extinguishing agent, and this recycling method has been approved for fire extinguishers. In some cases, the quality of reused extinguishing agents and fire extinguishers are uncertain. Therefore, in this study, the physical and chemical properties of recycled e

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Kavussi, Amir, and Rashid Tanzadeh. "Application of Slow Curing Bitumen as a Rejuvenating Agent in Aged Bituminous Mixes." Advanced Materials Research 587 (November 2012): 62–66. http://dx.doi.org/10.4028/www.scientific.net/amr.587.62.

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Recycling of bituminous mixes is extending worldwide with the aim of conserving natural resources and the environment. Rejuvenating agents are generally used in recycling processesin order to soften the aged binders in mixes. Cutback bitumens have been used in Iran mainly in preparing conventional cold mixes. However, the long term good performance of these cold mixes in various parts of the country has shown less hardening of these mixes, compared with conventional HMA mixes. In this research the application of a cutbackbitumen has been investigatedas a rejuvenating agent in mixes containing

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Nie, Yi Hua, Yun Long Zhang, Jian Ying Yu, Dong Liang Kuang, and Xuan Pu Zhang. "Research on Aging Mechanism and Recycling Mechanism Based on Asphalt Four Components Analysis." Applied Mechanics and Materials 204-208 (October 2012): 1659–64. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.1659.

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Asphalt aging mechanism and recycling mechanism are studied in the paper, based on four components tests for aging asphalt and recycling asphalt, by comparing and analyzing the D-value between testing data and theory calculated data. Results show that asphalt four components changes regularly for aging asphalt, which some saturates and aromatics are changed into some asphaltenes and colloid. And the recycling mechanism is not regular for the same asphalt, which the mix result of asphalt four components depends on many factors, such as degree of aging, quantity of old asphalt, components and qu

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Ganicz, Tomasz, and Krystyna Rozga-Wijas. "Siloxane-Starch-Based Hydrophobic Coating for Multiple Recyclable Cellulosic Materials." Materials 14, no. 17 (2021): 4977. http://dx.doi.org/10.3390/ma14174977.

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The results of the application of a new hydrophobization agent based on a triethoxymethylsilane and standard starch aqueous mixture for mass-produced cellulosic materials—printing paper, paperboard, and sack paper—have been evaluated to examine whether such a mixture can be used in industrial practice. The application of this agent on laboratory sheets prepared in a repetitive recycling process was performed to investigate its influence on the formation and properties of the products, as well as the contamination of circulating water. Measurements of the water contact angle, Cobb tests, and wa

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Coutinho de Paula, Eduardo, Júlia Célia Lima Gomes, and Míriam Cristina Santos Amaral. "Recycling of end-of-life reverse osmosis membranes by oxidative treatment: a technical evaluation." Water Science and Technology 76, no. 3 (2017): 605–22. http://dx.doi.org/10.2166/wst.2017.238.

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The adverse impacts caused by the disposal of thousands of tonnes per annum of reverse osmosis (RO) membranes modules have grown dramatically around the world. The objective of this study was to evaluate the technical feasibility of recycling by chemical oxidation of end-of-life RO membranes for applications in other separation processes with specifications less rigorous. The recycling technique consisted in to cause a membrane exposition with oxidant solutions in order to remove its aromatic polyamide layer and subsequent conversion to a porous membrane. The recycling technique was evaluated

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Zhao, Kang, Shijie Song, Yang Wei, Guofen Li, and Feng Guo. "Adhesion Properties of Recycled High-Viscosity Asphalt–Aggregate Interface under Dynamic Water Erosion." Materials 16, no. 18 (2023): 6203. http://dx.doi.org/10.3390/ma16186203.

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The drainage of asphalt pavement requires the use of a large amount of high-viscosity-modified asphalt, which faces the service environment under dynamic water erosion. The feasibility of recycling high-viscosity-modified asphalt should be investigated to facilitate sustainable infrastructure construction. This study used ultrasonic equipment to simulate dynamic water erosion test conditions and tested the adhesion performance of different types of recycled high-viscosity asphalt at various environmental temperatures. The adhesion energy index and microstructure of recycled high-viscosity asph

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Sarsam, Saad I., and Ehsan A. Hasan. "Evaluating Water Damage Resistance of Recycled Asphalt Concrete Mixtures." Journal of Engineering 23, no. 1 (2017): 156–68. http://dx.doi.org/10.31026/j.eng.2017.01.10.

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Recycling process presents a sustainable pavement by using the old materials that could be milled, mixed with virgin materials and recycling agents to produce recycled mixtures. The objective of this study is to evaluate the impact of water on recycled asphalt concrete mixtures, and the effect of the inclusion of old materials into recycled mixtures on the resistance of water damage. A total of 54 Marshall Specimens and 54 compressive strength specimens of (virgin, recycled, and aged asphalt concrete mixtures) had been prepared, and subjected to Tensile Strength Ratio test, and Index of Retain

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Shen, Jun, Yin Cheng, Lin Li, Xuexin Liu, Dongbo Zou, and Chaoyue Yuan. "Recycling high volume phosphogypsum in highway subgrade: Harmless, testing, and application." E3S Web of Conferences 634 (2025): 04001. https://doi.org/10.1051/e3sconf/202563404001.

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Based on solidification/stabilization theory, a self-made curing agent was used to stabilize the phosphogypsum, and a high-volume phosphogypsum subgrade filler was prepared. The road performance and pollution characteristics of the stabilized phosphogypsum were analyzed, and applied it to the highway subgrade of the Huiqiao Expressway in Yunnan Province. The results show that (1) moisture content is the key factor affecting the compaction degree of phosphogypsum subgrade filler; (2) after stabilization, the strength and water stability of phosphogypsum are greatly improved; (3) the curing agen

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Zhao, Han, Yuheng Chen, Wenyi Zhou, Yichao Ma, Zhuo Chen, and Junyan Yi. "The Improvement of Road Performance of Foam Asphalt Cold Recycled Mixture Based on Interface Modification." Polymers 17, no. 14 (2025): 1927. https://doi.org/10.3390/polym17141927.

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With the increasing demand for highway maintenance, enhancing the resource utilization of reclaimed asphalt pavement (RAP) has become an urgent and widely studied issue. Although foam asphalt cold recycling technology offers significant benefits in terms of resource utilization and energy saving, it still faces challenges, particularly the poor stability of foam asphalt mixtures. This study focuses on optimizing the performance of foam asphalt recycled mixtures through interface modification, aiming to promote the widespread application of foam asphalt cold recycling technology. Specifically,

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Varghese, Bindu, Erina Vlashi, and Philip S. Low. "Folate Receptor Saturation, Recycling, and Release Kinetics in Activated Macrophages." Blood 112, no. 11 (2008): 4655. http://dx.doi.org/10.1182/blood.v112.11.4655.4655.

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Abstract Activated macrophages over-express a receptor for the vitamin, folic acid. Conjugation of folic acid to low molecular weight drugs, genes, liposomes, nanoparticles, and imaging agents does not significantly compromise the vitamin’s affinity for its receptor, thus facilitating both therapeutic and imaging agents to be targeted as folate conjugates to activated macrophages. In these studies the in vivo kinetics and binding characteristics of the folate receptor on macrophages has been characterized with the objective of optimizing targeted drug delivery. Our results show that saturation

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