Relevant bibliographies by topics / Acid-activated material

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Acid-activated material'

Author: Grafiati
Published: 14 December 2024
Last updated: 31 July 2025

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Journal articles on the topic "Acid-activated material"

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Dai, Yi Min, Ru Bin Tan, Wen Min Shi, Zhen Fei Liang, and Long Tan. "A Study on the Reduction of HCN in Cigarette Smoke by Loading Cuprous Oxide on the Surface of Activated Carbon." Advanced Materials Research 239-242 (May 2011): 306–9. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.306.

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Taking Cu(CH3COO)2·H2O and activated carbon (AC) which was treated by acid and alkali as raw materials. The polylol reduction method was then adopted to prepare the cuprous oxide and activated carbon composite material. The structure and morphology of composite material samples were characterized by BET, SEM and XRD. The effects of cuprous oxide and activated carbon composite material on reducing the hazards of hydrocyanic acid in the cigarette were studied. Different pretreatment methods and the effect of mixture ratio to drop focal relieving harm of hydrocyanic acid in the cigarette were exa
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Wang, Kun, Qiao Wen Yang, Chuan Liu, Hui Zhao, Gan Chen, and Shi Wei Wang. "Study of Deashing and Activation on the Coke Fines and Semi-Cokes Based on Properties of Composite Materials." Advanced Materials Research 600 (November 2012): 178–81. http://dx.doi.org/10.4028/www.scientific.net/amr.600.178.

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Coke fines and semi-cokes have high ash content, low specific surface area and pore volume. In order to increase the properties of the sample and make the activated composite materials, it must be deashed and activated. In this research, the deashing experiment of the raw materials by different concentration of HNO3 and KOH was tested, then the material was activated in high temperature steam. From the FTIR test, we can acquire the content of the surface functional groups, such as carboxyl and hydroxyl. The specific surface area, pore size, volume of the material were determinated by using the
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Goodwin, Vituruch, Thanathon Sesuk, and Parinya Jitreewas. "Biobased Activated Carbon from Palm Biomass Enhancing with Acid Treatment as Supercapacitor Electrode Material." SIAM: Science and Innovation of Advanced Materials 4, no. 1 (2024): 67002. http://dx.doi.org/10.48048/siam.2024.67002.

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Current research on energy storage systems, batteries, and supercapacitor devices is aimed to enhance efficiency and improve environmental sustainability. Supercapacitors offer remarkable attributes such as high transient response and power density. Typically, supercapacitor electrode is made from highly porous carbon material, activated carbon. Commercial activated carbon could be produced from coal, peat, or coconut shell. This study focused on utilization of palm biomass, palm empty fruit bunch (EFB), as raw material to produce activated carbon electrode. The highly porous activated carbon
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Li, Ya Jie, Xing Yuan Ni, Jun Shen, Dong Liu, and Nian Ping Liu. "Nitric Acid Activated Carbon Aerogels for Supercapacitors." Applied Mechanics and Materials 302 (February 2013): 158–64. http://dx.doi.org/10.4028/www.scientific.net/amm.302.158.

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The electrochemical performances of resorcinol–formaldehyde-based carbon aerogels can be significantly enhanced by nitric acid activation.FT-IR spectra and SEM images reveal the constitution and morphology of samples .The electrochemical performances of materials were tested by cyclic voltammetry,galvanostatic charge/discharge test ,electrochemical impedance spectroscopy and cyclic test. The results show that activation does not influence the molecular structure of carbon aerogels,which maintains their nano-porous structure. Activation increases the specific capacitance by 50% and improves the
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Shrestha, Rajeshwar Man. "Characterization of Activated carbons Prepared from a Locally Available Material by Iodine Number." Journal of the Institute of Engineering 13, no. 1 (2018): 139–44. http://dx.doi.org/10.3126/jie.v13i1.20359.

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The adsorption of Iodine by the activated carbons prepared from a locally available material Lapsi Seed Stone has been studied. Various activated carbons were prepared by varying the parameters such as ratio of Lapsi Seed Stone particles to Phosphoric acid, percentage of phosphoric acid concentration, carbonization temperature and carbonization time. Determination of Iodine numbers of the activated carbons was done by the standard method. The effect of various preparation conditions on Iodine number of different activated carbons is also investigated. The optimum conditions for the preparation
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Kovalchuk, Oleksandr, and Victoriia Zozulynets. "STUDY OF ACID RESISTANCE OF HYBRID ALKALI ACTIVATED NORMAL HARDENING CEMENTS." Urban development and spatial planning, no. 81 (August 31, 2022): 189–98. http://dx.doi.org/10.32347/2076-815x.2022.81.189-198.

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One of the reason of loses of main production sources nowadays for chemical, food and special industries is the degradation of equipment and constructions caused by acid corrosion. Traditional materials are characterized by various disadvantages, among them: high costs of the material, low water resistance, hard technology and danger for the personal.
 One of the ways to obtain acid resistant material is the use of alkali activated cements, which are known are the resistant to the aggressive environments. Increasing of acid resistance is possible by reducing of system basicity level.&#x0D
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Ayati, Bamdad, Darryl Newport, Hong Wong, and Christopher Cheeseman. "Acid activated smectite clay as pozzolanic supplementary cementitious material." Cement and Concrete Research 162 (December 2022): 106969. http://dx.doi.org/10.1016/j.cemconres.2022.106969.

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Bhavna, Dhole Vaibhav Kolekar Yash Gawade Devashish Kopergaonkar &. Yogesh Patil. "STUDIES ON CASSIA TORA AS STARTING MATERIAL FOR CARBON SYNTHESIS." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES [NC-Rase 18] (November 23, 2018): 39–46. https://doi.org/10.5281/zenodo.1495002.

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Activated carbon has various prominent applications in day to day life including biomedical sector. <em>Cassia tora</em> is a species that spreads overwhelmingly and affects the crop yields. Acid activation of <em>Cassia tora</em> results into channel formation and impart adsorption capacity to the biomass. Acetic and phosphoric acids are used for activation of the surface of biomass. Acid activation of the biomass is expressed in terms of % removal of colorants like phenolphthalein and methyl orange
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Joko Murtono and Iriany. "PEMBUATAN KARBON AKTIF DARI CANGKANG BUAH KARET DENGAN AKTIVATOR H3PO¬4 DAN APLIKASINYA SEBAGAI PENJERAP Pb(II)." Jurnal Teknik Kimia USU 6, no. 1 (2017): 43–48. http://dx.doi.org/10.32734/jtk.v6i1.1564.

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&#x0D; Activated carbon necessity in Indonesia was increasing along with the developments of the industriaization era. Based on natural product in Indonesia, probably activated carbon necessity could be guaranteed by domestic production. Rubber shells were solid waste which has potential for multiple uses such as raw materials for the manufacture of activated carbon. In this researched, rubber shells waste were processed into activated charcoal. The aim of this researhed was to determine the effect of the concentration of phosphoric acid activator toward the characteristics of the activated ca
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Park, Jung Eun, Gi Bbum Lee, Ho Kim, and Bum Ui Hong. "High Surface Area–Activated Carbon Production from Cow Manure Controlled by Heat Treatment Conditions." Processes 10, no. 7 (2022): 1282. http://dx.doi.org/10.3390/pr10071282.

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In this study, methods of adding value to cow manure were studied. Due to the properties of cow manure, activated carbon with a high surface area can only be produced by increasing the fixed carbon ratio and removing the ash content. Activated carbon was fabricated using five different treatments: (1) raw material–chemical activation, (2) raw material–hydrothermal carbonization–chemical activation, (3) raw material–hydrothermal carbonization–chemical activation–acid washing, (4) raw material–hydrothermal carbonization–heat treatment–chemical activation, and (5) raw material–hydrothermal carbon
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Dissertations / Theses on the topic "Acid-activated material"

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Robbins, Steven C. "Distribution of Colloidal Material in Activated Sludge as Influenced by Cations." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/45540.

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Activated sludge influent and effluent from five municipal wastewater treatment plants were analyzed to further elucidate the roles of aluminum, iron, and the monovalent to divalent cation ratio (M/D) on the influent and effluent characteristics of the systems. The size distribution of organic nitrogen, organic carbon, protein, humic acid, and polysaccharide was examined with respect to the concentration of cations in the activated sludge influent. It was found that the majority of organic nitrogen, organic carbon, protein and polysaccharides were found in material larger than 0.45μm in act
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Yang, Qi. "Résistance au feu de géopolymère alcalin et de de géopolymère acide." Electronic Thesis or Diss., Centrale Lille Institut, 2024. http://www.theses.fr/2024CLIL0014.

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Cette étude concerne les propriétés de résistance au feu des géopolymères préparés paractivation alcaline ou acide. La première partie passe en revue l’état de l’art sur ledéveloppement des matériaux géopolymères, leur processus de synthèse, les méthodesd'activation, les méthodes d'application et l'influence de leurs composants sur leurspropriétés. Un accent particulier est mis sur leur propriétés de résistance au feu. Les travauxconcernent les facteurs influençant la résistance au feu des géopolymères activés par desalcalins, notamment le rapport Al/Si, et la nature de cations utilisés. Les r
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Li, Zihui. "Acid Leaching Resistance and Alkali Silica Reaction (ASR) of Alkali-Activated Cement Free Binders." Thesis, Clarkson University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10640300.

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<p> Recently, increased awareness of the significance of developing sustainable materials for construction has renewed the interest in exploring Alkali activated concrete (AAC), a concrete that contains no cement, but only industrial by-products such as fly ash and slag, as a low energy alternative to the conventional concrete. Although the feasibility of making alkali&ndash;activated concrete with acceptable strength and mechanical properties is well documented, the information regarding the long-term durability, including resistance to acid attack and alkali silica reaction (ASR), is far fro
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Pan, Chung-kai, and 潘仲凱. "Phosphoric Acid Activated Carbon Fabrics as Supercapacitor Materials." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/45371813364590711505.

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碩士<br>逢甲大學<br>材料科學所<br>94<br>Activated carbon fiber fabrics were prepared with oxidized PAN fiber precursor in which phosphoric acid is used as a chemical-activation agent, and co-activated with steam or carbon dioxide gas in various temperature, 700 to 1000℃. Due to the high specific surface area, ACFFs were often used as an electrode of the electric double-layer capacitor. The study was focused on the influence of different chemical activation method and the physical properties to the microstructures of ACFFs, and also the performances of the capacitance of the electric double-layer. The por
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Morris, Eric Adde. "Modification of Carbonaceous Materials with Sulfur and Its Impact on Mercury Capture and Sorbent Regenertion." Thesis, 2012. http://hdl.handle.net/1807/36293.

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Physical activation of oil-sands fluid coke, a dense carbonaceous material, using sulfur dioxide (SO2) was investigated as a means of utilizing a plentiful and inexpensive waste for elemental mercury (Hg) removal. A new model was developed to elucidate physical activation of dense carbonaceous materials. Experiments and model simulations revealed that, during activation with SO2, a sulfur-rich porous layer is formed around the periphery of the coke particles; this porous layer reaches a maximum thickness as a result of diffusion limitations; the maximum porous layer thickness is controlled by
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Books on the topic "Acid-activated material"

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Parker, Philip M. The 2007-2012 World Outlook for Treated Clays That Have Been Artificially Activated with Acid or Other Materials. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Treated Clays That Have Been Artificially Activated with Acid or Other Materials. Icon Group International, Inc., 2005.

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Book chapters on the topic "Acid-activated material"

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Davoodabadi, Maliheh, Marco Liebscher, Massimo Sgarzi, et al. "Electrical and Sulfate-Sensing Properties of Alkali-Activated Nanocomposites." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_29.

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AbstractWe investigated the formation of the conductive network of carbon nanotubes (CNTs) in alkali-activated nanocomposites for sulfate-sensing applications. The matrix was a one-part blend of fly ash and ground granulated blast-furnace slag, activated by sodium silicate and water. Sodium dodecylbenzenesulfonate was used as the surfactant for dispersion of the CNTs in the aqueous media. The nanocomposites were investigated by a laboratory-developed setup to study the electrical and sensing properties of the alkali-activated material. The electrical properties (i.e., conductivity) were calcul
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Herath, H. M. S. D., and T. M. M. Marso. "Application of Activated Charcoal-Chitosan Composite Material for the Pre-Esterification of Palm Oil Fatty Acid Distillate for the Production of Biodiesel." In Transformative Applied Research in Computing, Engineering, Science and Technology. CRC Press, 2025. https://doi.org/10.1201/9781003616368-2.

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Aigbodion, V. S., and P. A. Ozor. "New Insights into the Polymer Coating of Mild Steel Using Activated Orange Juice Functionalized Rice Husk Nanoparticles." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-28839-5_115.

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AbstractNovel insights in the development of polymer coating of mild steel using functionalization of rice husk ash nanoparticles by activated orange juice were investigated. For the potentiostat/galvanostat corrosion performance of the coated materials, 5 wt% potassium sulfate (K2SO4(aq), 5 wt% sodium chloride (NaCl(aq), and 1 M sulfuric acid (H2SO4(aq) were used. 78.81, 71.86, and 55.11% corrosion resistance of the samples of K2SO4, H2SO4, and NaCl. It was concluded that orange juice was able to enhance the dispersion of RHnp in the epoxy coating. The presence of citrate ions in the orange j
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Tan, X., B. Liu, W. Hong, G. F. Chang, and X. F. Zou. "Adsorption properties of modified powdered activated carbon on salicylic acid wastewater." In Advances in Materials Science, Energy Technology and Environmental Engineering. CRC Press/Balkema, 2016. http://dx.doi.org/10.1201/9781315227047-75.

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Lee, Joon Jae, Jeong Kwon Suh, Ji Sook Hong, Jung Min Lee, and Jin Won Park. "Physicochemical Characteristics of ZnS Immobilized on Spherical Activated Carbon for Removing HA(Humic Acid)." In Eco-Materials Processing and Design IX. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-472-3.37.

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Rathod, Yashpal, Anup Parmar, and Wasudeo Gurnule. "NOVEL RELATIVE STUDIES: SYNTHESIS, CHARACTERIZATION OF COPOLYMER COMPOSITES AND THEIR ANTIMICROBIAL STUDY." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 18. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bdcs18ch10.

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The antimicrobial study of copolymer/activated charcoal composites underwent a unique comparative analysis. 8-hydroxyquinoline5-sulphonic acid, guanidine and formaldehyde were utilized to create the copolymer resin, and activated charcoal was used to create the new composite. The properties and structure of the copolymer and the copolymer/activated charcoal composite were assessed using a variety of characterisation methods, such as FTIR, NMR (1H), elemental analysis, and SEM. The differences in the antibacterial activity of copolymer/activated charcoal composites could be attributed to the ma
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Soonmin, Ho. "ACTIVATED CARBON: RECENT PROGRESS AND APPLICATIONS." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 10. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bbcs10p3ch2.

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Activated carbon has a larger surface area and well-developed porosity. It could be served as an absorbent to absorb unwanted materials. Synthesis of activated carbon is carried out via carbonization, physical activation, or chemical activation process. Precursors could be from agri-food industry wastes, municipal wastes, wood, and agricultural wastes. During the production of activated carbon, activating agent will be employed to develop porosity. Research findings indicated that an alkaline hydroxide was used for highly ordered (anthracites)whilezinc chloride and phosphoric acid were employe
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Kumarasamy, Gayathri, Sathishkumar Samiyappan, and Nirmaladevi Samiappan. "FUNCTIONALIZED POLYACRYLAMIDE/GRAPHITE COMPOSITES AS AN ADSORBENTS FOR THE DECOLOURISATION OF SYNTHETIC DYES AND DYEING INDUSTRY EFFLUENT FROM FABRIC PROCESSING UNITS." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 16. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bjcs16p1ch2.

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In this study we have compared the decolourisation of dyeing industry effluents collected in fabric processing units and synthetic dyes like direct blue 2b, acid violet 17, reactive red M5B and methylene blue 9 from aqueous solution using functionalized polyacrylamide/graphite composites such as glucose grafted polyacrylamide/graphite, glucosamine grafted polyacrylamide/graphite and commercial activated carbon as adsorbents. The adsorption studies are performed by varying the experimental parameters like temperature, time, adsorbate concentration and adsorbent dose. The various physicochemical
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Jeffery-Smith, Anna, and C. Y. William Tong. "The Biology of Viruses." In Tutorial Topics in Infection for the Combined Infection Training Programme. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198801740.003.0008.

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In order to be classified as a virus, certain criteria have to be fulfilled. Viruses must ● Be only capable of growth and multiplication within living cells, i.e. obligate intracellular parasite. Host cells could include humans, animals, insects, plants, protozoa, or even bacteria. ● Have a nucleic acid genome (either RNA or DNA, but not both) surrounded by a protein coat (capsid). ● Have no semipermeable membrane, though some have an envelope formed of phospholipids and proteins. ● Be inert outside of the host cell. Enveloped viruses are susceptible to inactivation by organic solvents such as
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Attwell Cyril. "Geopolymer concrete: a practical approach." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-466.

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High production costs of concrete in combination with the high CO2footprint of cement has instigated the research, development and application of concrete utilizing by-products and wastes as partial or entire binder replacements. The literature research progressed through the myriad of definitions and theses available to define two distinct paths of activation, notably alkali- and acid-activations. The alkali-activated path was chosen as the operating risks with alkali materials within the construction industry are known. Experimental work progressed in the laboratory using this base concept t
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Conference papers on the topic "Acid-activated material"

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Ahluwalia, H. S., and C. Lee. "Case Histories of Titanium Alloy Usage in the Chemical Industry." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95245.

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Abstract Experience with various carbon bed absorbers illustrates the unique challenges faced in selection of appropriate materials of construction. The conditions are most aggressive during carbon regeneration, when bed temperatures reach 120°C, at elevated organic and chloride concentrations. The galvanic effect of the activated carbon must be considered in making the appropriate material selection. Titanium alloys are the best metallic materials of construction for carbon bed adsorbers that are subject to oxidizing acidic conditions. One of the major challenges facing titanium alloys is the
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Zhou, Bo, and Mingyang Zhang. "Shrinkage and microstructural evolution analysis of AAFS with tetrasodium of 1-hydroxy ethylidene-1, 1-diphosphonic acid (HEDP•4Na)." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.0251.

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&lt;p&gt;Alkali-activated materials (AAMs) are increasingly recognized as environmentally friendly alternatives to traditional Portland cement because of their reduced environmental impact. This study investigates the shrinkage behavior and microstructural changes in alkali-activated fly ash- slag hybrids (AAFS) containing tetrasodium 1-hydroxy ethylidene-1, 1-diphosphonic acid (HEDP•4Na). The study includes experimental analyses to measure shrinkage properties, evaluate phase changes in the microstructure, and assess the material's mechanical stability. The results indicate that HEDP•4Na sign
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Gu, Ji-Dong, and Yingying Wang. "Degradation of the Plasticizers Orthd-Dimethyl Phthalate Ester by Environmental Bacteria." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04586.

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Abstract Synthetic organic compounds in polymeric materials can migrate out to the environment and disrupt the endocrine system in organisms, including humans. These compounds can also promote the growth of microorganisms on surfaces of materials. They have been detected in a wide range of environments and their concentration can be as high as 10 g L-1 of phthalic acid and dimethyl phthalate ester (DMPE) in landfill leachate. We initiated an investigation on biodegradability of phthalic acid and DMPE’s. Enrichment cultures of bacteria obtained from activated sludge and mangrove can fully miner
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Simatupang, Partogi H. "Characteristics of alkali activated material (geopolymer) in sulfuric acid solution." In GREEN CONSTRUCTION AND ENGINEERING EDUCATION FOR SUSTAINABLE FUTURE: Proceedings of the Green Construction and Engineering Education (GCEE) Conference 2017. Author(s), 2017. http://dx.doi.org/10.1063/1.5003511.

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Kumar, Awinash, Pradip Lingfa, Nabam Hina Papu, and Moiching Sajit Ahamed. "Characterization of acid-activated sodium bentonite clay: A potential catalyst for recycling plastic wastes." In PROCEEDINGS OF ADVANCED MATERIAL, ENGINEERING & TECHNOLOGY. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0024321.

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Qin, Hangdao, Hui Li, Yong Wang, and Jing Chen. "Removal of Benzoic Acid by Catalytic Ozonation with CeO2 Loaded on N, S Co-Doped Activated Carbon Catalyst." In 2nd International Conference on Material Science, Energy and Environmental Engineering (MSEEE 2018). Atlantis Press, 2018. http://dx.doi.org/10.2991/mseee-18.2018.51.

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V., Aswani, Shobha Elizabeth Thomas, and Ramaswamy K. P. "Effect of Admixtures in Blast Furnace Slag-fly Ash Based Alkali-activated Paste." In 6th International Conference on Modeling and Simulation in Civil Engineering. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.156.29.

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Portland cement can be replaced with alkali-activated binders (AABs), a sustainable material. They make use of industrial byproducts rich in aluminosilicates to produce hardened binders under alkaline conditions. The effective utilization of alkali-activated binders in each particular place is greatly influenced by the ease in accessibility of suitable precursors and activators. Slag-based AAB can make a strong and durable mix under ambient curing. But its poor workability and fast setting characteristics limit its scope of wide applications. The purpose of this investigation is to determine t
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Hornstra, E. G., A. H. Hennissen, R. Kalafusz, and D. T. S. Tan. "THE ANTITHROMBOTIC EFFECT OF PALM OIL IS CORRELATED WITH ITS CONTENTS OF VITAMIN E." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643804.

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Dietary saturated fatty acids are known to increase platelet aggregation and arterial thrombogenesis.We recently demonstrated, however, that palm oil, rich in saturated palmitic acid, has a distinct antithrombotic affect, which is associated with a decrease of the thromboxane-prostacyclin ratio in activated whole blood. To identify the antithrombotic component(s) of palm oil, seven palm oil fractions were prepared with comparable fatty acid compositions of the triglycerides but containing Various amounts of non-triglyceride material with different compositions.These fractions were fed to rats
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Al-Yami, Abdullah, Vikrant Wagle, Khawlah Al-Anqari, Abdulwahab Aljohar, and Salah Elkatatny. "Curing Losses: Lab Developments and Best Practices." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22007-ms.

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Abstract Moderate to severe loss circulation problem encountered while drilling is a major economic burden that increases the total well construction cost dramatically in some cases. This study will focus on best practices to mitigate curing losses in terms of prevention of potential loss by pre-treatment, locating and identifying the losses, identify the mechanism of losses and severity, curing losses strategies and their best drilling practices. In addition, the study will detail typical curing losses materials and their limitations. Finally, selected examples of recent developments in curin
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Kamble, Mithil, Nikhil Koratkar, and Catalin Picu. "Vitrimer Composites for Rotorcraft Components." In Vertical Flight Society 77th Annual Forum & Technology Display. The Vertical Flight Society, 2021. http://dx.doi.org/10.4050/f-0077-2021-16896.

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Carbon fiber reinforced composites (CFRP) are frequently used in rotorcraft components due to their high strength to weight ratio. Carbon fibers are the principal load carriers whereas polymer matrix provides structural integrity to the CFRP components. Fatigue failure originating in the matrix pose a design constraint on CFRP components. The fatigue failure originates in form of small scale sub-critical cracks which eventually grow into macroscopic cracks/shear localization resulting in eventual failure. Research efforts have been directed at improving fracture and fatigue performance of poly
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Reports on the topic "Acid-activated material"

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose. Chulalongkorn University, 2017. https://doi.org/10.58837/chula.res.2017.66.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo
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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose (Year 2). Faculty of Engineering, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.82.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo
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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das, and Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/39341.

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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent an
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Kanner, Joseph, Edwin Frankel, Stella Harel, and Bruce German. Grapes, Wines and By-products as Potential Sources of Antioxidants. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7568767.bard.

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Several grape varieties and red wines were found to contain large concentration of phenolic compounds which work as antioxidant in-vitro and in-vivo. Wastes from wine production contain antioxidants in large amounts, between 2-6% on dry material basis. Red wines but also white wines were found to prevent lipid peroxidation of turkey muscle tissues stored at 5oC. The antioxidant reaction of flavonoids found in red wines against lipid peroxidation were found to depend on the structure of the molecule. Red wine flavonoids containing an orthodihydroxy structure around the B ring were found highly
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