Academic literature on the topic 'Leachability test'

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Journal articles on the topic "Leachability test"

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Brzeziński, Bartłomiej, and Dominika Iskra-Świercz. "Heavy Metals and Metalloids Leachability from Composite Ground Materials Peat – Fly Ash – Lime." Rocznik Ochrona Środowiska 23 (2021): 513–23. http://dx.doi.org/10.54740/ros.2021.036.

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This publication presents the test results of heavy metals and metalloids leachability from ground composite materials. The components of the obtained composites are peat and stabilizing binders in the form of fly ash and hydrated lime. The composites were designed to be used to stabilize low-bearing organic soil in the Lake Druzno basin in the area of Żuławy Elbląskie. The results of the leachability studies show that as the lime hydrated in the composition of the composite increases, the leachability of heavy metals and metalloids decreases. The decrease in the leachability of these elements
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Oravec, Jozef, and Adriana Eštoková. "Determination the Availability of Chromium from Powdered Cement Composites Containing Blast Furnace Slag." Solid State Phenomena 244 (October 2015): 246–51. http://dx.doi.org/10.4028/www.scientific.net/ssp.244.246.

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Nowadays, cement composites often contain a certain amount of waste materials, which can lead to increased heavy metals leaching. Important environmental indicator of the suitability of concrete is a leachability of chromium. In this paper, concrete samples containing special admixture based on the blast furnace slag as replacement of Portland cement (65%, 75%, 85% and 95%, respectively) as well as reference sample containing only a Portland cement were analyzed. Availability test was used to study the maximum chromium leaching from finely ground cement composites samples. The findings reveale
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Bridle, T. R., P. L. Côté, T. W. Constable, and J. L. Fraser. "Evaluation of Heavy Metal Leachability from Solid Wastes." Water Science and Technology 19, no. 5-6 (1987): 1029–36. http://dx.doi.org/10.2166/wst.1987.0280.

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Future management options for residual inorganic solid wastes are likely to include land disposal. While the environmental ramifications of this option are now better understood, additional data is required to permit a thorough assessment of contaminant leachability from solid wastes. As part of this data gathering exercise, Environment Canada's Wastewater Technology Centre has been actively researching and developing test methods designed to measure intrinsic waste properties that affect contaminant leachability, such as metal solubilities and speciation. Based on this approach the leachabili
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Ji, Yongxin, Wenjie Zhang, Yu Xiao, Hong Jiang, and Liaoyu Ye. "Combined Treatment of Cr(VI)-Contaminated Soils by Reduction, Adsorption, and Solidification." Sustainability 14, no. 14 (2022): 8827. http://dx.doi.org/10.3390/su14148827.

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Remediation of Cr(VI)-contaminated soil usually includes reducing Cr(VI) to Cr(III) with sub-sequent solidification. In this paper, a treatment technique that combines reduction, adsorption, and solidification was proposed. By introducing an adsorbent into the reduction process, the remediation effectiveness was improved and the amount of reducing and solidified agent was decreased. Synthetic precipitation leaching procedure (SPLP), unconfined compressive strength (UCS) test, and scanning electron microscope (SEM) analysis were carried out to evaluate the remediation effect under different age
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Madany, Ismail M., and E. Raveendran. "Leachability of Heavy Metals Blasting Waste." Waste Management & Research: The Journal for a Sustainable Circular Economy 10, no. 1 (1992): 87–91. http://dx.doi.org/10.1177/0734242x9201000109.

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This investigation presents the results of leaching tests, using the multiple-batch procedure, on cadmium, zinc, copper, lead, and chromium from copper blasting grit waste generated from a shipbuilding and repair company in Bahrain. The leaching test results have demonstrated that the metals tested were generally released in low concentrations except for copper and zinc. Metal leachability appeared to be dependent upon the pH and composition of the leaching medium.
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Mohd Zain, Asna, Shaaban Md Ghazaly, and Mahmud Hilmi. "Leachability of Solidified Petroleum Sludge." Advanced Materials Research 917 (June 2014): 123–33. http://dx.doi.org/10.4028/www.scientific.net/amr.917.123.

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Petroleum sludge was solidified in ordinary Portland cement, and the leachability test was performed based on American Nuclear Society 16.1 to produce leachate. The organic in solidified sludge was extracted by micro solid extraction to determine the organic in the sample. Organic in the leachate sample was detected by solid phase micro extraction by head space polydimethyl siloxane fiber using gas chromatography mass spectrometry. The targeted organic compounds in solid sample and leachate were quantified by the benzene, toluene, ethyl benzene, xylene, naphthalene and phenanthrene standards.
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Li, Gui Fen. "Flame Retardancy of Wood Treated with Metaborates by Double-Diffusion Method." Advanced Materials Research 148-149 (October 2010): 467–70. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.467.

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Wood was treated by double-diffusion method to form the precipitates of metaborates in wood. Their leachability in running water was evaluated. The precipitates of these metaborates in the wood proved to be insoluble or hardly soluble in water by the leaching test, and the best leachability for that by double-diffusion treatment with Pb2+ solution. Their flame retardancy was evaluated by limiting oxygen index (LOI) and cone calorimeter. The resultant data showed that their flame retardancy and smoke suspension were increased by the double-diffusion treatment and the best for that by the treatm
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Li, Yuan-Yuan, Ting-Ting Zhang, Zhi Ning, Jin-Hong Chen, and Kirk Hatfield. "Characteristics and Applications of Sewage Sludge Biochar Modified by Ferrous Sulfate for Remediating Cr(VI)-Contaminated Soils." Advances in Civil Engineering 2020 (September 26, 2020): 1–10. http://dx.doi.org/10.1155/2020/6521638.

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Background. Soil contamination by hexavalent chromium is becoming a main environmental concern in China. This study developed a sewage sludge biochar modified by FeSO4 (CHBC) as a new reductant for Cr(VI)-contaminated soil. The effectiveness of CHBC-stabilized Cr(VI)-contaminated soil was investigated. Methods. Typical industrial Cr(VI)-contaminated soil in China was chosen as the medium. The total and Cr(VI) contents of the contaminated soil were 1014.6 and 973.5 mg/kg, respectively. The effectiveness of the Cr(VI)-contaminated soil stabilized by CHBC was investigated by the leaching test (US
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Całus-Moszko, Joanna, Agnieszka Klupa, and Malgorzata Markowska. "Materiały zasypowe do likwidacji szybów górniczych / Materials used in liquidating mining shafts." Przegląd Górniczy, no. 2/2022 (June 30, 2022): 26–33. https://doi.org/10.5281/zenodo.7468540.

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In Poland, in accordance with the applicable legal requirements, the shaft is dismantled by filling it with material selected for the geological conditions, taking into account the factors determining safety. When selecting materials used in liquidating mining shafts, one should also take into account their impact on the natural environment. The publication presents the results of laboratory tests on the leachability of soluble substances from materials used in liquidating mining shafts. The test of leachability of soluble substances was carried out with the use of distilled water and mine wat
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Salim, Nurul Salhana Abdul, Aeslina Abdul Kadir, Mohamad Asyraf Kamarudin, and Mohd Hafizul Fadzli Zaidi. "Leachability of Fired Clay Bricks Incorporated with Sewage Sludge by Using Tank Leaching Test." International Journal of Engineering & Technology 7, no. 4.30 (2018): 308. http://dx.doi.org/10.14419/ijet.v7i4.30.22292.

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This research was conducted to fully utilize the sludge that rich in dangerous heavy metals and at the same time act as low cost alternative materials in brick manufacturing. Different series of sludge and clay proportioning ratios were studied, which exclusively involved the addition of sludge with ratios of 0, 1, 5, 10, 20 and 30% of the total weight of sludge-clay mixture. Each molded brick were oven-dried at 105˚C for 24 hours followed by heating at 1050˚C. The investigation includes determination of heavy metal concentration of the sludge and clay using XRF and heavy metals leachability o
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Dissertations / Theses on the topic "Leachability test"

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Sharma, Shekar. "Evaluating Leachability of Residual Solids Generated from Unconventional Shale Gas Production Operations in Marcellus Shale." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50514.

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Hydraulic fracturing operations utilized for shale gas production result in the generation of a large volume of flowback and produced water that contain suspended material, salts, hydrocarbons, metals, chemical additives, and naturally-occurring radioactive material. The water is impounded at drilling sites or treated off-site, resulting in significant generation of residual solids. These are either buried on site or are disposed in lined landfills. The objective of this study was to determine the levels of heavy metals and other elements of concern that will leach from these residual solids w
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ZHANG, WEI. "COLUMN LEACHING TESTS TO STUDY MOBILIZATION OF RADIONUCLIDES IN LINER SYSTEM OF ON-SITE DISPOSAL FACILITY AT FERNALD SITE." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin997966038.

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Book chapters on the topic "Leachability test"

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"Front Matter." In Stabilization and Solidification of Hazardous, Radioactive, and Mixed Wastes: 2nd Volume. ASTM International100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, 1992. http://dx.doi.org/10.1520/stp19535s.

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39 papers by researchers working with stabilization and solidification technologies from both the low-level radioactive and chemically hazardous waste communities are presented in sections on: • Regulatory and Technical Guidance • Specialty Wastes: Organics, Ashes, and Resins • Laboratory-Scale Leachability Studies • Laboratory-Scale Process Development • Test Method Development • Large-Scale Evaluation or Demonstration
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Rechenberg, W., S. Sprung, and H. M. Sylla. "A Test Method for the Determination of the Leachability of Trace Elements from Wastes Bound With Cement." In Studies in Environmental Science. Elsevier, 1991. http://dx.doi.org/10.1016/s0166-1116(08)70414-x.

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Conference papers on the topic "Leachability test"

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Paige, Jack I., and Bernard S. Covino. "Leachability of Lead from Selected Copper-Base Alloys Used by the Plumbing Industry." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92438.

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Abstract The Bureau of Mines has conducted research on the selective leaching of lead from copper-base alloys in high purity water. Lead leached from these alloys can cause serious health problems when ingested. The alloys in this study were selected as being representative of those used in various plumbing system fixtures such as faucets and valves. Leaching tests were conducted for a total period of 14 days and at temperatures of 25°C, 50°C, and 75°C. An acetic acid pretreatment was used in an effort to reduce the amount of lead that was leached from the alloys. The results show that, with t
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Sun, Qina, Junfeng Li, Jianlong Wang, Shixi Ouyang, Qiang Li, and Minghui Wu. "Efficiency of Sulfoaluminate Cement for Solidification of Simulated Radioactive Borate Liquid Waste." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-30154.

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To investigate the solidification efficiency of sulfoaluminate cement (SAC) and to provide more information for formula optimization, SAC blending zeolite, accelerator and Dura fiber was used as matrix materials for solidification of simulated radioactive borate liquid waste. The simulated radioactive borate liquid waste was prepared with boric acid and sodium hydroxide using drinking water. The performances of solidified waste forms were evaluated mainly basing on matrix compressive strength and leachability. The 28d compressive strength of the solidified waste forms were tested according to
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Ben Giuma, Laila Houd, and Muna Hassan Bek. "MICROSTRUCTURE, MINERALOGY AND PHYSICAL PROPERTIES OF KAOLIN & METAKAOLIN GEOPOLYMERS USED FOR SOLIDIFICATION AND STABILIZATION OF OIL AND GAS DRILLING WASTE OPERATIONS." In 22nd International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/3.2/s06.32.

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The production of oil and gas includes drilling a number of wells for exploration or production activities. During drilling operations, large volumes of drilling fluids are used to facilitate the process. In Libya, after completion of drilling operations drill cuttings and waste drilling fluids are typically discharged close to the oil fields without treatment. This can result in negative ecological impacts on the surrounding environment e.g. through infiltration of toxic constituents into soils and underground waters. In this work, the sustainable approaches were examined to test their suitab
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Sekely, Peter, Martin Valica, Stanislav Sekely, and Miroslav Horník. "Geopolymer-Based Solidification/Stabilization of Radioactive Wastes." In 4th International Conference on Advances in Environmental Engineering. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-hfh3xo.

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The aim of this work was to evaluate the possibility to solidify radioactive expanded clay balls or radioactive sludge originating from the decommissioning of NPP V1 in Jaslovské Bohunice (Slovak Republic) into the geopolymer matrices. The radioactive wastes (RAW) in the proportion of 0 wt.%, 20 wt.%, 25 wt.%, and 30 wt.% were solidified using a geopolymer mixture GEOCEM (producer GEOFIX Ltd., Slovak Republic). The value of compressive strength linearly decreased with increasing addition of RAW from the value of 16.1 MPa to 12.4 MPa for radioactive expanded clay balls solidified and from the
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Wilson, J. Jeffrey, Douglas W. Lee, Brett M. Yeske, and Fred Kuipers. "Testing of In Situ and Ex Situ Bioremediation Approaches for an Oil-Contaminated Peat Bog Following a Pipeline Break." In 2000 3rd International Pipeline Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/ipc2000-146.

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A biotreatability test was performed on oil-contaminated sphagnum peat moss from a 1985 pipeline spill of light Pembina Cardium crude oil at a bog near Violet Grove in central Alberta. Four tests were designed to simulate several field treatment approaches and to collect critical data on toxicity and leachability of this material. These tests included a bioslurry test, a soil microcosm test, an aerated water saturated peat column test, and a standard toxicity characteristic leachate potential (TCLP) test. In the saturated peat column tests, two nutrient amendment rates and a surfactant were te
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Dmitriev, Serge A., Olga K. Karlina, Vsevolod L. Klimov, Micheal I. Ojovan, Galina Yu Pavlova, and Andrew Yu Yurchenko. "Retention Properties of Carbide-Corundum Ceramics Containing Carbon-14, Caesium-137, and Strontium-90." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4567.

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The system C–Al–TiO2 is of considerable interest for the processing of irradiated reactor graphite waste with the retention of biologic hazardous carbon-14. Investigations of this system were conducted both theoretically and experimentally. Previously, the thermodynamic calculations of the phase composition of resulting end product were performed for a wide variety of components content in the system being investigated. These simulation results have been supported by XRD-analysis of produced specimens. The experimental processing of reactor graphite was conducted by the use of self-sustaining
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Wasiuddin, N. M., Nouman Ali, and M. R. Islam. "Use of Offshore Drilling Waste in Hot Mix Asphalt (HMA) Concrete as Aggregate Replacement." In ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/ee-29168.

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Despite continuous research and development on drilling fluids and waste minimization during the last 40 years, offshore drilling waste (OSDW) remains a significant environmental concern for the petroleum industry. OSDW contains three types of contaminants namely, heavy metals from drilling fluid, oil from oil based mud or petroleum contamination and naturally occurring radioactive substances from exposed formations. In this study a promising and permanent solution based on recycling of OSDW as road construction materials has been investigated. It has been revealed previously that five to ten
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Fronczyk, Joanna. "COMPARISON OF HEAVY METALS LEACHABILITY FROM COMBUSTION WASTES USING BATCH LEACHING TESTS." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/4.2/s18.005.

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Ondrejka Harbulakova, Vlasta, Adriana Estokova, Michaela Smolakova, and Martina Kovalcikova. "Mathematical Investigation of Concrete Corrosion – a Sustainability Study." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.038.

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The issue of sustainability is a major spur to innovation in the flied of civil engineering where the important role is decreasing the detrimental effects on environment and save raw materials and energy. Micro silica is a by-product of the industrial manufacture of ferrosilicon and metallic silicon in high temperature electric arc furnaces and is used as an additive for improving concrete properties. The paper presents the results of chemical corrosion and bio-corrosion tests on concrete samples with 5% addition of microsilica as well as on concrete samples with only Portland cement. Chemical
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Rumhi, M., A. Al-Shamakhi, and M. U. Qureshi. "Sustainable Incorporation of Industrial By-Products as Concrete and Pavement Materials." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222233-ms.

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Effectively managing industrial waste while protecting the environment presents a significant challenge in today's industrial sector. The incorporation of recycled materials offers numerous advantages, such as environmental protection, support for the recycling industry, relief for waste management systems, and promotion of sustainable construction materials. These practices not only help conserve natural resources but also reduce construction costs. The main objective is to lessen the carbon footprint of construction activities by minimizing the use of natural resources and advancing sustaina
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