Academic literature on the topic 'Nylon Waste kinetic'

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Journal articles on the topic "Nylon Waste kinetic"

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Sheikh, Hoomaafrin A. R., and Swapnil V. Madhamshettiwar. "Depolymerization of Nylon Waste by Hydrolysis using surfactant and its Kinetic Study." Indian Journal Of Science And Technology 18, no. 13 (2025): 1023–28. https://doi.org/10.17485/ijst/v18i13.4073.

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Objectives: Polymers are nonbiodegradable, and they have become a big environmental issue; hence, many recycling processes have been introduced. By recycling nylon 6,6 waste, the process can reduce the environmental impact which is associated with the production of new materials. Depolymerization offers opportunities for the development of innovative chemical recycling process. Methods: Nylon waste is depolymerized through acidic hydrolysis concentration of HCL 5N in presence of catalysts sodium lauryl sulphate at favourable temperature 800C shows the changes in the amount of regaining of the
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Hoomaafrin, A. R. Sheikh, and V. Madhamshettiwar Swapnil. "Depolymerization of Nylon Waste by Hydrolysis using surfactant and its Kinetic Study." Indian Journal of Science and Technology 18, no. 13 (2025): 1023–28. https://doi.org/10.17485/IJST/v18i13.4073.

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Abstract <strong>Objectives:</strong>&nbsp;Polymers are nonbiodegradable, and they have become a big environmental issue; hence, many recycling processes have been introduced. By recycling nylon 6,6 waste, the process can reduce the environmental impact which is associated with the production of new materials. Depolymerization offers opportunities for the development of innovative chemical recycling process.<strong>&nbsp;Methods:</strong>&nbsp;Nylon waste is depolymerized through acidic hydrolysis concentration of HCL 5N in presence of catalysts sodium lauryl sulphate at favourable temperature
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Wan, Haibo, and Zhen Huang. "Kinetic Analysis of Pyrolysis and Thermo-Oxidative Decomposition of Tennis String Nylon Wastes." Materials 14, no. 24 (2021): 7564. http://dx.doi.org/10.3390/ma14247564.

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Thermal degradation of nylon-6 tennis string nylon wastes in inert nitrogen and air atmospheres was investigated by means of multiple heating-rate thermogravimetric analyses. The results obtained under the heating rates of 5–20 K/min are compared in terms of degradation feature and specific temperature for two atmospheres. Using nonisothermal data, kinetic analysis was thoroughly conducted using various isoconversional model-free methods, including Starink, Madhusudanan–Krishnan–Ninan, Tang, Coats–Redfern, and Flynn–Wall–Ozawa methods. With these kinetic analysis methods, the activation energy
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Wan, Hai-Bo, and Zhen Huang. "Kinetic and Thermodynamic Analyses of Co-Pyrolysis of Nylon-Polyethylene Pouch Wastes." Materials 16, no. 17 (2023): 5738. http://dx.doi.org/10.3390/ma16175738.

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In this study, thermogravimetric measurements of nylon-6/polyethylene double-layer pouch wastes were conducted in N2 under a constant heating-rate mode, and the multiple heating-rate results were analyzed in terms of degradation features and specific temperatures. Experimental results show that the waste pyrolysis involves one reaction stage, and all specific parameters appear to increase with the heating rate. Kinetic analysis of non-isothermal data was thoroughly performed using various isoconversional model-free methods for the calculations of the activation energy, resulting in 143~215 kJ/
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TARASENKO, NATALIA, VIKTORIIA PLAVAN, YURII BUDASH та INNA TKACHENKO. "ДОСЛІДЖЕННЯ СОРБЦІЙНИХ ВЛАСТИВОСТЕЙ ВОЛОКНИСТИХ МАТЕРІАЛІВ, МОДИФІКОВАНИХ ГЛИНИСТИМИ МІНЕРАЛАМИ". Technologies and Engineering, № 3 (4 січня 2022): 70–78. http://dx.doi.org/10.30857/2786-5371.2021.3.7.

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Abstract. The paper presents the results of determining the sorption properties of nonwoven materials modified with clay minerals, obtained on the basis of fibrous waste, in relation to the methylene blue indicator to determine the possibility of using the created materials in the purification of light industry wastewater from dyes and heavy metal ions.Purpose. Determination of kinetic regularities of sorption (by methylene blue) of fibrous nonwoven materials modified with different types and amounts of clay adsorbents.Methodology. Nonwovens obtained from elastic fibrous waste of the textile i
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Pan, Danlu, Weiguo Pan, Weiting Jiang, Wenhuan Wang, Jian Wang, and Yiqing Yang. "Thermogravimetric analysis of co-pyrolysis of coal and waste and used tires." E3S Web of Conferences 136 (2019): 02037. http://dx.doi.org/10.1051/e3sconf/201913602037.

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Waste tires can be used as a substitute for coal due to the high calorific value. In this study, the co-pyrolysis characteristics of the waste tires (truck tires, liners and nylon tires), pulverized coal and their blends are studied using thermogravimetric analyzer. The pyrolysis of truck tires, liners and coal is characterized by a three stages reaction while the pyrolysis of nylon tires and their blends are four stages. The pyrolysis characteristics of the blends can be expressed by the superposition of the pyrolysis characteristics of the one-component material, indicating the slight intera
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Leny, Mathew, and K. Narayanankutty Sunil. "Development of specialized natural rubber composites using nano silica and short nylon fiber for tyre side wall component." Abstracts of International Conferences & Meetings (AICM) 1, no. 2 (2021): 7–8. https://doi.org/10.5281/zenodo.4876604.

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<strong>Introduction:</strong> Short fibers can be incorporated directly into the rubber compound along with other additives, the resulting composites are amenable to the standard rubber processing steps of extrusion, calendering and the various type of molding operations such as compression, injection and transfer molding (1). Properties of short fiber elastomer composite critically depend upon the interfacial bonding between fiber and the matrix (2-6) The role of silica is to improve wetting of the fiber surface (7-10). As small particles have higher surface area, nanosilica can be more effe
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Patil, D. B., and S. V. Madhamshettiwar. "Kinetics and Thermodynamic Studies of Depolymerization of Nylon Waste by Hydrolysis Reaction." Journal of Applied Chemistry 2014 (December 8, 2014): 1–8. http://dx.doi.org/10.1155/2014/286709.

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Depolymerization reaction of nylon waste was carried out by hydrolysis reaction. Yield of depolymerization products was up to 72.20% for a two-hour reaction time. The products obtained were characterized by melting point and FTIR spectra. The values obtained for dibenzoyl derivative of hexamethylenediamine (DBHMD) agreed with those of the pure substance. Chemical kinetics of this reaction shows that it is a first-order reaction with respect to hexamethylenediamine (HMD) concentration with velocity constant 7.32×10-3 min−1. The energy of activation and Arrhenius constant obtained by Arrhenius p
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Sheikh, H. A. A. R., and S. V. Madhamshettiwar. "Kinetics Study of Acid Hydrolysis of Waste Nylon-6,6 using Anionic Surfactant." Journal of Scientific Research 15, no. 3 (2023): 845–53. http://dx.doi.org/10.3329/jsr.v15i3.64175.

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The depolymerization reaction of nylon-6,6 is carried out by acidic hydrolysis in the presence of various amounts of sodium dodecyl benzene sulfonic acid (SDBS) (0.02 to 0.07 g) surfactant used as a catalyst at 80 °C and at a different time interval (120 to 240 min). The maximum yield was obtained when 0.05 g SDBS was added to the reaction mixture as a catalyst and 180 min. The reaction mixture was neutralized by 5N NaOH, and the hexamethylene diamine obtained was converted into the Dibenzoyl derivative of hexamethylene diamine (DBHMD), which was filtered, dried, and weighed. The yield was fou
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Chaabani, C., E. Weiss-Hortala, and Y. Soudais. "Impact of Solvolysis Process on Both Depolymerization Kinetics of Nylon 6 and Recycling Carbon Fibers from Waste Composite." Waste and Biomass Valorization 8, no. 8 (2017): 2853–65. http://dx.doi.org/10.1007/s12649-017-9901-5.

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Dissertations / Theses on the topic "Nylon Waste kinetic"

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Bryson, Latoya G. "Monomer recovery from nylon carpets via reactive extrusion." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22618.

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Thesis (Ph. D.)--Chemical and Biomolecular Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Muzzy, John D.; Committee Member: Cook, Fred L.; Committee Member: Jones, Christopher W.; Committee Member: Mayor, J. Rhett; Committee Member: Realff, Matthew J.; Committee Member: Schork, F. Joseph.
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