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Journal articles on the topic 'Foundry waste'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Skrzyński, Mateusz. "Characteristics of Wastes Produced by Polish Ferrous Alloys Casting Foundries between the Years 2010–2014." Journal of Casting & Materials Engineering 3, no. 4 (2020): 70–77. http://dx.doi.org/10.7494/jcme.2019.3.4.71.

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The balance of wastes originating from the foundry processes of ferrous alloys, prepared on the basis of data made available by the Polish Central Statistical Office, is presented in this paper. The kind and amount of individual foundry wastes subjected to management and storage by foundry plants were analysed. The problem of wastes between the years 2010–2016 is discussed on the national scale, as well as in individual regions or voivodeships. Altogether, 27,375.9 tons of waste from the group no. 10, of which non-ferrous metal and ferrous alloy wastes from foundry plants constituted 2%, were

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2

Seyedkazemi, Ali, Meysam Mirzaeipour, and Seyed Ebrahim Vahdat. "Effect of Mixed Foundry Sand and Rice Hull Ash on the Mechanical Properties of Concrete." Journal of Civil Engineering and Construction 10, no. 1 (2021): 21–35. http://dx.doi.org/10.32732/jcec.2021.10.1.21.

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Waste foundry sand is the by-product of metal casting industry. Rice hull which is often burned after it is removed from rice is also a by-product of the agriculture industry. Disposing of these wastes leads to the environmental pollution. To optimal use of these wastes and avoid the adverse effects of dumping them, regular sand has been partially replaced with the waste foundry sand and rice hull ash pozzolan has been also used as a partial replacement for cement in making concrete. XRF, XRD and SEM experiments, compressive strength, tensile strength (Brazilian), flexural strength, modulus of

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3

Prasad, Suresh, Dinesh Khanduja, and Surrender K. Sharma. "A study on implementation of lean manufacturing in Indian foundry industry by analysing lean waste issues." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 232, no. 2 (2016): 371–78. http://dx.doi.org/10.1177/0954405416640169.

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Lean proliferates the value-adding work by eliminating wastes and reducing incidental and non-value-adding work to a certain possible extent. Waste can be defined as anything other than the essential resources of people, machines, and materials that are needed to add value to the product. According to the lean concept, any action which does not directly enhance product’s value can be considered as waste. Analysis of lean waste issues is one of the primary steps to implement lean principles in many industries and the same is applicable for the foundry industry as well. The purpose of this artic

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4

Xiang, Ruo Fei, Yuan Bing Li, Yong Bin Qiu, et al. "Synthesis of Mullite-Silica-Rich Glass Using Waste Foundry Sand." Key Engineering Materials 602-603 (March 2014): 636–39. http://dx.doi.org/10.4028/www.scientific.net/kem.602-603.636.

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Waste foundry sand is a kind of solid wastes produced during casting process, the casting output of China ranks first in the world for many years and the amount of waste foundry sand is huge. But the utilization rate of the waste foundry sand is low in China. It is not only a threat to the environment but also a waste.In this paper, waste foundry sand was taken as main starting material, adding proper amount of additives. The shaped samples were heated in the electric oven at the temperature of 1300°C, 1400°C and 1500°C respectively, the soaking time is 3h for all samples.The microstructure an

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5

Zhang, Tie Zhi, Cheng Yong Wang, and Jin Wu. "Application Approach and Prospects of the Foundry Waste Sand and Slag in Engineering." Applied Mechanics and Materials 716-717 (December 2014): 493–96. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.493.

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In the foundry industry, the main solid waste is the foundry waste sand, casting cupola dust and slag, which causes environmental pollution and becomes a bottleneck restricting the development of the foundry industry. The main components of the foundry waste sand and slag generated by casting are siliceous and calcareous granular materials, which meet the needs of engineering construction materials, they have a broad application prospect. In this paper, the investigation and analysis of the foundry waste sand and slag have been carried on about the research and application in the engineering c

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6

Coelho, Adenilson Roberto, Helena Ravache Samy Pereira, Luciana Faganello, and Luiz Veriano Oliveira Dalla Valentina. "Study of Water Retention in Mortars Produced with Foundry Powder." Materials Science Forum 820 (June 2015): 488–91. http://dx.doi.org/10.4028/www.scientific.net/msf.820.488.

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The use of foundry waste in civil engineering is one of the most discussed issues by several environmental polities. This is caused by the excessive deposition of foundry waste on sanitary landfills. In order to find solutions to overcome this situation, this paper investigates the effect of the foundry powder concentration in the structure of mortars. Experiments were conducted with mortars processed at several concentrations of binders, aggregates and foundry powder. Results indicate that mortars built with foundry waste have water retention above to 75%. This observation indicates that mort

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7

Lahl, Uwe. "Recycling of waste foundry sands." Science of The Total Environment 114 (April 1992): 185–93. http://dx.doi.org/10.1016/0048-9697(92)90424-q.

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8

Ying-min, Li, Wang Tian-shu, and Liu Wei-hua. "Research on regeneration methods of animal glue waste sand for foundry." Royal Society Open Science 5, no. 5 (2018): 172270. http://dx.doi.org/10.1098/rsos.172270.

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Sand moulds are used in the casting process. However, after heating, the binder in the sand loses the binding properties, and the most part of the foundry sand has to be discarded from the process. The waste foundry sand after the regeneration can be recycled, and reclamation can reduce the production cost and lower waste emissions. The objective of this work was to investigate the possibility of reusing the animal glue binder waste foundry sand from the study of three regeneration methods. Studies with the waste foundry sand and reclaimed sand were performed in order to compare the results ob

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9

Bożym, Marta, and Beata Klojzy-Karczmarczyk. "Assessment of the mercury contamination of landfilled and recovered foundry waste – a case study." Open Chemistry 19, no. 1 (2021): 462–70. http://dx.doi.org/10.1515/chem-2021-0043.

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Abstract Environmental pollution by mercury is a local problem in Poland and concerns mainly industrial sites. Foundry waste are usually characterized by low mercury content compared to other heavy metals. Spent foundry sands with low content of Hg are the main component of foundry waste. However, Hg may be present in foundry dust, which may also be landfilled. Due to Hg toxicity, even a minimal content may have a negative impact on biota. This study focuses on assessing the mercury content of landfilled foundry waste (LFW), to assess its toxicity. Currently tested waste is recovered and reuse

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10

Pugin, Konstantin G. "The Structure and Properties of Asphalt Concrete on the Basis of Waste Foundry Sand." Materials Science Forum 1037 (July 6, 2021): 721–28. http://dx.doi.org/10.4028/www.scientific.net/msf.1037.721.

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The features of the use of waste foundry sand to obtain secondary products are presented. The properties of the surface of mineral particles of waste molding sand are described. It is shown that on the surface of the particles there is a porous layer capable of increasing the adhesion forces of mineral particles with bitumen in the production of asphalt concrete. It has been established that the modified surface of the waste foundry sand contains up to 40% carbon, which provides an increase in the adhesion force between the mineral particles of the waste foundry sand and bitumen. It has been e

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11

Mambeli Barros, Regina, Fernando Batista Pinto, Rômulo Carvalho de Brito, Gilbert Silva, Geraldo Lúcio Tiago Filho, and Fernando das Graças Braga da Silva. "Study of the Properties of Concrete Containing Waste Foundry Sand as Part of the Aggregate." Advanced Materials Research 838-841 (November 2013): 131–36. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.131.

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The foundry industry has greatly increased in many parts of the world, and their generation of enormous amounts of waste foundry sand is a major environmental concern. Such waste may be classified as hazardous, requiring special precautions for its management, which may include disposal in landfills for hazardous waste. However, this waste can be used as a partial substitute for the sand in a concrete aggregate. Slump flow, water absorption, concrete compression strength, and index void tests were performed to study the properties of fresh and hardened concrete made by substituting 10% and 20%

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12

Naganathan, Sivakumar, Sonny Silvadanan, Tang Yew Chung, Mark Francis Nicolasselvam, and Sivadass Thiruchelvam. "Use of Wastes in Developing Mortar – A Review." Advanced Materials Research 935 (May 2014): 146–50. http://dx.doi.org/10.4028/www.scientific.net/amr.935.146.

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This paper is a literature review about the use of wastes in masonry mortar. Wastes such as wood waste ash, municipal solid waste, ground waste seashells, glass waste, fly ash, corn cob ash and palm oil fuel ash are used to replace cement as the binding material. Wastes of Cathode Ray Tube (CRTs) glass, plastic waste, construction demolition wastes, foundry sand and quarry dust are used as a replacement for fine aggregates. Additives such as recycled copper tailings and animal proteins also improve the properties of masonry mortar. It is learnt that certain percentages of wastes can be used as

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13

Gedik, Abdulgazi, Abdullah Hilmi Lav, and Musaffa Aysen Lav. "Investigation of alternative ways for recycling waste foundry sand: an extensive review to present benefits." Canadian Journal of Civil Engineering 45, no. 6 (2018): 423–34. http://dx.doi.org/10.1139/cjce-2017-0183.

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Foundry sand, an indispensable component of the metal casting process, is discarded after a number of metal casting operations. Virgin sand is then required for any new casting processes, and the spent foundry sand is treated as waste, resulting in huge amounts of discarded sand being either stockpiled or dumped into landfills. This results in a wide scale consumption of natural resources despite the fact that this “waste” can be recycled as a viable resource in various engineering processes. To this end, this study represents a detailed investigation into the possible uses for waste foundry s

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14

Rehman, Mohd Abdul. "Partial Replacement of Fine Aggregate with Foundry Sand in Self Compacted Concrete." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 2802–7. http://dx.doi.org/10.22214/ijraset.2021.35611.

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This document demonstrates the possibility of using foundry sand waste as a partial replacement of sand in self-compact concrete. Self-compacting concrete, as the name implies, is a type of concrete that does not require an external or internal seal because it is aligned and consolidated under its weight. Foundry sand is a high-quality silica sand that is used as a molding material for the ferrous and non-ferrous metal casting industry. It can be reused in foundries, but after a certain period it cannot be used further and becomes waste, called waste, used or used foundry sand (WFS, UFS or SFS

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15

Pereira Antunes, Maria Lucia, C. S. Souza, R. F. Moraes, E. C. Rangel, and N. C. Cruz. "Use of Industrial Waste to Produce Ceramic Coatings on Metal." European Journal of Sustainable Development 8, no. 5 (2019): 9. http://dx.doi.org/10.14207/ejsd.2019.v8n5p9.

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Industrial processes are activities that produce large amounts of wastes. Often these wastes are disposed in dam or landfills, occupying large areas and causing environmental damage such as the contamination of water and soil. According to the Circular Economy concept, waste should be minimized and reused as raw material in a new process. This work describes two residues, namely red mud (bauxite residue) and waste foundry sand (WFS), whose chemical compositions indicate their suitability for use as protective coatings. These residues were used to obtain coatings on aluminum alloy by employing

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16

Melichar, Jindřich, Vit Černý, and Rostislav Drochytka. "The Influence of the Waste Foundry Sand on the Microstructure and the Physico-Mechanical Properties of Autoclaved Aerated Concrete." Materials Science Forum 998 (June 2020): 293–98. http://dx.doi.org/10.4028/www.scientific.net/msf.998.293.

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Thanks to its porous structure the autoclaved aerated concrete has excellent thermal insulation properties. The production of this building material is carried out in two main steps. At first calcium hydroxide reacts with aluminum powder. This reaction releases hydrogen which creates the porous structure. Secondly lime reacts with siliceous components under hydrothermal conditions. This reaction forms crystalline calcium hydrosilicates which represent a binder component in the material. Focus of this paper is to study the degree of crystallization of calcium hydrosilicates depending on the qua

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17

Ghormley, Samuel, Robert Williams, and Bruce Dvorak. "Foundry Sand Source Reduction Options: Life Cycle Assessment Evaluation." Environments 7, no. 9 (2020): 66. http://dx.doi.org/10.3390/environments7090066.

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Foundries represent a significant part of the world’s economy and are a large consumer of energy and producer of solid waste. Sand-handling processes can use 5–10% of a foundry’s total energy. The goal of this research was to explore source reduction and waste minimization at a foundry, using both economic and Life Cycle Assessment (LCA) techniques to compare three secondary sand-reclamation options. LCA software modeled all sand processes at a mid-sized ferrous foundry in the USA. The LCA showed all secondary reclamation technologies, while more energy intensive at the foundry, lowered life c

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18

Penkaitis, Gabriela, and Joel Barbujiani Sígolo. "Waste foundry sand. Environmental implication and characterization." Geologia USP. Série Científica 12, no. 3 (2012): 57–70. http://dx.doi.org/10.5327/z1519-874x2012000300004.

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19

Siddique, Rafat, Gurdeep Kaur, and Anita Rajor. "Waste foundry sand and its leachate characteristics." Resources, Conservation and Recycling 54, no. 12 (2010): 1027–36. http://dx.doi.org/10.1016/j.resconrec.2010.04.006.

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20

Chevuri, Vema Reddy, and Sridhar S. "Usage of Waste Foundry Sand in Concrete." International Journal of Civil Engineering 2, no. 12 (2015): 5–10. http://dx.doi.org/10.14445/23488352/ijce-v2i12p102.

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21

Bhardwaj, Bavita, and Pardeep Kumar. "Waste foundry sand in concrete: A review." Construction and Building Materials 156 (December 2017): 661–74. http://dx.doi.org/10.1016/j.conbuildmat.2017.09.010.

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22

Khatib, J. M., B. A. Herki, and S. Kenai. "Capillarity of concrete incorporating waste foundry sand." Construction and Building Materials 47 (October 2013): 867–71. http://dx.doi.org/10.1016/j.conbuildmat.2013.05.013.

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23

Dyer, Paulo Paiva, Silvelene Alessandra Silva, Luis Miguel Gutierrez Klinsky, Gustavo Lauer Coppio, and Maryangela Geimba De Lima. "Waste foundry sand characterization as paving aggregate." TRANSPORTES 29, no. 1 (2021): 148–60. http://dx.doi.org/10.14295/transportes.v29i1.2241.

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Waste Foundry Sands (WFS) are by-products of the steel industry due to the foundry process. The residual material can be used in civil construction as an aggregate because of its mineral origin. This paper aimed to characterize the WFS obtained at two sources, using laboratory tests that are regularly required in highway engineering specifications. The laboratory program showed that the tests results satisfy the main specifications in Brazil. Laboratory tests results also show that WFS has characteristics that are similar to the manufactured sand that is usually used in asphalt pavement constr

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24

Płuciennik-Koropczuk, Ewelina, and Sylwia Myszograj. "Zahn-Wellens Test in Industrial Wastewater Biodegradability Assessment." Civil and Environmental Engineering Reports 28, no. 1 (2018): 77–86. http://dx.doi.org/10.2478/ceer-2018-0007.

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Abstract Biodegradability of pollution contained in examined industrial wastewater was assessed according to methodology based on Zahn-Wellens (OECD 302B) test. The following kinds of wastewater were examined: - metal industry wastewater from aluminium pressure foundry; - wastewater from industrial waste treatment processes, such as: filtration waste, chemical reagents, coolants, water emulsions, oil wastes and other industrial wastes, galvanising waste treatment processes sludge. Samples COD value decrease in the subsequent days of the experiment proves that organic substances contained in th

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dos Santos, A. V., Mauro C. Marchetti, Ayane R. de Souza, et al. "Waste and Discharge Sand Use of Foundry for the Manufacture of Concrete Tiles." Key Engineering Materials 759 (January 2018): 3–8. http://dx.doi.org/10.4028/www.scientific.net/kem.759.3.

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The progress in the world industrial sector, together with new technologies increases solid waste generation and the consequent concern with the correct management of them. One of the biggest problems in the foundry sector is the generation of solid waste, consisting mainly of waste sands or discarded sand castings (ADF). Proper waste disposal is a challenge for industries, which are increasingly concerned about the need to preserve the environment and seeking for sustainable development. In Brazil, fused production in 2008 exceeded three million tons, generating approximately one ton of waste

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Sebki, Ghania, Brahim Safi, and Kahina Chahour. "Recycling of Foundry Sand Wastes in Self-Compacting Mortars: Use as Cementitious Materials and Fine Aggregates." Journal of Applied Engineering Sciences 9, no. 2 (2019): 195–200. http://dx.doi.org/10.2478/jaes-2019-0027.

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Abstract This work aims to study the possibility recycling of foundry sand wastes (FSW) as a cementations additive and fine aggregate in self-compacting mortars (SCM). For this, an experimental study was carried out to evaluate physical and mechanical properties of SCM. Firstly, sand is substituted by the foundry sand waste at dosages (0%, 10%, 30%, and 50%) by weight of the sand. Secondly cement is partially substituted by crushed foundry sand waste at different ratio (0%, 10%, 20%, 30%, and 50%) by weight of cement. The obtained results show that up to 50%, (FSW) can be used as fine aggregat

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Oman, Daniel E. "Hazardous Waste Minimization: Part VI Waste Minimization in the Foundry Industry." JAPCA 38, no. 7 (1988): 932–40. http://dx.doi.org/10.1080/08940630.1988.10466436.

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28

Santos, C. C., Luiz Oliveira Veriano dalla Valentina, F. C. Cuzinsky, and L. C. Witsmiszyn. "Interlocking Concrete Paving Blocks Produced with Foundry Sand Waste." Materials Science Forum 912 (January 2018): 191–95. http://dx.doi.org/10.4028/www.scientific.net/msf.912.191.

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Industrialized products demand huge quantities of raw material, and generate enormous volumes of residue. This fact has caused an imbalance in the environment, such as the soil, the water tables, ecosystems and public health. The foundry industry, known for being one of the biggest users of raw material, is among the major pollutants. Concomitantly, the civil construction sector is notorious for its huge consumption of natural resources, but in contrast, it has the potential to aggregate residues from other industries, resulting in added- value products. Recycling is one of the alternatives fo

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29

S, Gopinath, Lavanya Devi S, Naveen C, and Arun M. "Durability Study of Concrete Using Foundry Waste Sand." Emperor Journal of Applied Scientific Research 2, no. 5 (2020): 1–7. http://dx.doi.org/10.35337/ejasr.2020.v02i05.001.

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30

Manjarekar, Prof A. S. "Utilization of Plastic Waste in Foundry Sand Bricks." International Journal for Research in Applied Science and Engineering Technology V, no. III (2017): 1114–19. http://dx.doi.org/10.22214/ijraset.2017.3203.

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Manjarekar, Prof A. S. "Utilization of Plastic Waste in Foundry Sand Bricks." International Journal for Research in Applied Science and Engineering Technology V, no. IV (2017): 977–82. http://dx.doi.org/10.22214/ijraset.2017.4178.

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32

Shinde, Swastik S. "Use of Waste Foundry Sand in Flexible Pavement." International Journal for Research in Applied Science and Engineering Technology 6, no. 3 (2018): 2153–56. http://dx.doi.org/10.22214/ijraset.2018.3338.

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33

Fiore, S., M. C. Zanetti, and B. Ruffino. "Waste characterization and recycle in an aluminium foundry." Resources, Conservation and Recycling 45, no. 1 (2005): 48–59. http://dx.doi.org/10.1016/j.resconrec.2005.01.006.

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34

Deng, An. "Contaminants in waste foundry sand and its leachate." International Journal of Environment and Pollution 38, no. 4 (2009): 425. http://dx.doi.org/10.1504/ijep.2009.027274.

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El Haggar, Salah, and Lama El Hatow. "Properties of Thermoplastics Reinforced with Foundry Sand Waste." Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management 13, no. 4 (2009): 270–77. http://dx.doi.org/10.1061/(asce)1090-025x(2009)13:4(270).

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Shah, D. B., A. V. Phadke, and W. M. Kocher. "Lead Removal from Foundry Waste by Solvent Extraction." Journal of the Air & Waste Management Association 45, no. 3 (1995): 150–55. http://dx.doi.org/10.1080/10473289.1995.10467354.

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37

Ham, R. K., W. C. Boyle, E. C. Engroff, and R. L. Fero. "Organic Compounds in Ferrous Foundry Process Waste Leachates." Journal of Environmental Engineering 119, no. 1 (1993): 34–55. http://dx.doi.org/10.1061/(asce)0733-9372(1993)119:1(34).

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38

Heidemann, Marcelo, Helena Paula Nierwinski, Daniel Hastenpflug, Breno Salgado Barra, and Yader Guerrero Perez. "Geotechnical behavior of a compacted waste foundry sand." Construction and Building Materials 277 (March 2021): 122267. http://dx.doi.org/10.1016/j.conbuildmat.2021.122267.

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dos Santos, A. V., Mauro C. Marchetti, Carla L. Ribas, and Ayane R. de Souza. "Reuse of Sand Disposed of Foundry in Lieu of Sand Natural in the Manufacture of Structural Blocks." Advanced Materials Research 1052 (October 2014): 416–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1052.416.

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With the significant progress in the, combining global industry section, new technoligies come the increased generation of solid waste and the consequent concern with the correct management. One of the major problem of the foundry industry is the generation of solid waste mainly constituided by residual sands or discarded foundry sands. (ADF). The proper disposal of this waste is a challenge for the industries that are increasinly concerned in the need to preserve the environment in pursuit of sustainable long-term development. In Brazil the production of castings in 2008 exceeded 3 millhion t

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Mashifana, Tebogo, and Thandiwe Sithole. "Recovery of Silicon Dioxide from Waste Foundry Sand and Alkaline Activation of Desilicated Foundry Sand." Journal of Sustainable Metallurgy 6, no. 4 (2020): 700–714. http://dx.doi.org/10.1007/s40831-020-00303-5.

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Abstract This study was conducted to recover silica (desilication) as a valuable metalloid from waste foundry sand (WFS) by a leaching process and to find application for desilicated foundry sand (DFS). The leaching time applied was 5 h; 3 M of potassium hydroxide (KOH) was used as a leaching reagent. The agitation speed of 200 rpm and the liquid/solid ratio of 25 were found to be the best conditions for optimum leaching results. A geopolymer from DFS was developed by using NaOH as an alkaline activator. The results obtained showed that the optimum conditions for the synthesis of a geopolymer

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41

Rodriguez, A. L., É. V. Queiroz, D. A. R. López, Tiago Bender Wermuth, T. M. Basegio, and Carlos Pérez Bergmann. "Utilization of Foundry Waste to Produce Ceramic Matrix Composites." Materials Science Forum 869 (August 2016): 149–54. http://dx.doi.org/10.4028/www.scientific.net/msf.869.149.

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The metallurgic industry, especially foundries, is a significant source of waste. For this reason, alternatives that involve reuse and recycling are necessary to minimize waste disposal in landfills and recover matter and energy. The feasibility of elaborating ceramic matrix composites with the incorporation of foundry waste was investigated in this study. Two types of residues were used to elaborate the composites. Green sand and grit blasting powder, in formulations with concentrations that ranged from 5.0 to 10.0% (m/m). The specimens were molded by uniaxial pressing, and a thermal treatmen

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42

Nyembwe, Kolela Joseph, Mamookho Elizabeth Makhatha, and Kulani Mageza. "Waste Foundry sand Mineralogical Characterisation: The Impact of Cast Alloy, Casting Temperature and Molding Additive on the Nature Waste Foundry Sand." Engineering Journal 21, no. 7 (2017): 1–14. http://dx.doi.org/10.4186/ej.2017.21.7.1.

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43

Hossiney, Nabil, Pranab Das, Mothi Krishna Mohan, and Jaison George. "In-plant production of bricks containing waste foundry sand—A study with Belgaum foundry industry." Case Studies in Construction Materials 9 (December 2018): e00170. http://dx.doi.org/10.1016/j.cscm.2018.e00170.

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44

Strkalj, A., Z. Glavas, and L. Slokar. "Microstructural and Equilibrium Adsorption Study of the System of Waste Foundry Molding Sand/Cu (II) Ions." Archives of Metallurgy and Materials 61, no. 4 (2016): 1805–12. http://dx.doi.org/10.1515/amm-2016-0292.

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Abstract This paper deals with the waste foundry molding sand which originally comes from the casting production. Adsorption of Cu (II) ions on the waste foundry molding sand was studied. Experimental data were processed using adsorption isotherms. Obtained results show that the experimental data are best described by the Langmuir isotherm. The following adsorption capacities are obtained: 7.153 mg/g to 293 K, 8.403 mg/g at 333 K and 9.208 mg/g at 343 K. The kinetics and thermodynamics of the process were analysed. The obtained results indicate that the adsorption process takes place according

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45

Feijoo, B. A., J. I. Tobón, and O. J. Restrepo-Baena. "Substitution of aggregates by waste foundry sand: effects on physical properties of mortars." Materiales de Construcción 71, no. 343 (2021): e251. http://dx.doi.org/10.3989/mc.2021.10320.

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The substitution of the normalized aggregate by residual foundry sand (WFS) was studied on the physical properties of mortars by means of resistance to compression and capillary absorption tests. The aggregate was replaced by WFS in its natural state (WFS), washed residual foundry sand (WFSW) and heat treated residual foundry sand (WFST). The WFS had a percentage of bentonite, which was sought to be thermally activated. It was found that the physical behavior of the mortars containing WFS and WFSW was similar to that of the control sample. The clay recovered from the sand washing was evaluated

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Тyagunov, A. G., Е. Е. Baryshev, G. V. Tyagunov, Т. K. Кostina, and K. Yu Shmakova. "USING MELT HIGH-TEMPERATURE TREATMENT FOR PROCESSING FOUNDRY WASTES OF HEAT-RESISTANT ALLOY." Izvestiya. Ferrous Metallurgy 62, no. 3 (2019): 222–27. http://dx.doi.org/10.17073/0368-0797-2019-3-222-227.

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At present time, metallurgical wastes are used in metallurgical alloys production more and more. The volume accumulation and increase of return age effect on charge pollution by undesirable elements and nonmetallic inclusions. As a result, structure and properties of the casting inevitably get worse. This circumstance must influence on polytherm’s character of physical properties of the melt, necessary temperature and time parameters of the heat-resistant alloy’s melting accordingly. We have researched the temperature dependences of electrical resistance and kinematic viscosity of liquid heat-

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Domingues, Luciene, Gisleiva Ferreira, Marta Pires, and Ivonei Teixeira. "Application of soil with waste foundry sand in landfills." Geotecnia 144 (November 2018): 21–33. http://dx.doi.org/10.24849/j.geot.2018.144.03.

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Illarionov, Ilya E., and Igor A. Strelnikov. "ON THE APPLICATION OF INDUSTRIAL WASTE IN FOUNDRY INDUSTRY." Vestnik of Nosov Magnitogorsk State Technical University 14, no. 4 (2016): 36–41. http://dx.doi.org/10.18503/1995-2732-2016-14-4-36-41.

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Škvára, František, František Kaštánek, Ivona Pavelková, Olga Šolcová, Ywetta Maléterová, and Petr Schneider. "Solidification of waste steel foundry dust with Portland cement." Journal of Hazardous Materials 89, no. 1 (2002): 67–81. http://dx.doi.org/10.1016/s0304-3894(01)00294-1.

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Siddique, Rafat, and Gurpreet Singh. "Utilization of waste foundry sand (WFS) in concrete manufacturing." Resources, Conservation and Recycling 55, no. 11 (2011): 885–92. http://dx.doi.org/10.1016/j.resconrec.2011.05.001.

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