EUD UUVLW\ (UAEU), D D WKL HQWLW “Recycling Ceramic Waste Powder and its Usage as an Alternative Ingredient in Concrete”, hereby, solemnly declare that this thesis is my own original research work that has been done and prepared by me under the supervision of Prof. Amr Salah El-Dieb, in the College of Engineering at UAEU. [ Links ], 16 N.S. [ Links ], 4 NBR 10004, “Resíduos sólidos - classificação”, Ass. PDF | The ceramic industry is going to be deeply involved in the transition to a circular economy. M/85-150-P700”. Santos, E. Longo, Cerâmica 59, 349 (2013) 147. What is even more shocking, however, is that recycling is not all good. As expected, the composition of the WP reflected a mix of the raw materials used by the industry, with the addition of oxides from dyes used for glazing. March 04, 2019; Accepted: S. Paulo (2015). [ Links ], 3 C. Medina, M.I. Mineral. belong in the blue bins. The ceramic waste aggregate should be pre-saturated by water to offset its high absorption. [ Links ], 18 D. Balzar, H. Ledbetter, Am. Figura 3 Imagens de microscopia eletrônica de varredura do resíduo de louça cerâmica. [ Links ], 13 Brookfield viscometer, “Operat. Sánchez de Rojas, Constr. This website uses cookies to improve your experience. 34, 1 (2012) 48. It was concluded that ceramic waste could be used as partial replacement of natural coarse aggregate. Ceramics, including dishes, are recyclable for uses in art projects, driveway underlayment and gravel pathways. The humidity values obtained were satisfactory, since none exceeded the 5% limit 10. Composição química do resíduo de louça cerâmica e matérias-primas (% em massa). Moreover, during the tactile evaluation of these ceramic pastes, all samples were considered good and firm, which indicated that the suspensions did not become soft, pasty, or dry immediately after casting, and some plasticity remained in the mixes. Figure 1 Particle size distribution curves of waste powder. Table II Chemical composition of the sanitary ware waste and raw materials (in wt%). The recycling of this ceramic waste back into its production process could have some advantages: it does not require high transportation costs; it could also decrease expenses in raw material consumption and waste disposal in landfills. These values were recorded and converted to viscosity using the spindle factors associated with each rotating speed 13; also, the ratio between the two measured viscosities was calculated to determine the thixotropic index for each slip 14. 4). 1 A. Halicka, P. Ogrodnik, B. Zegardlo, Constr. This SWW was used to substitute granite in ceramic slips, and the final recycled sanitary ware compositions of 5%, 10%, 25%, 50% and 100% were obtained. In producing sanitary ware, despite any improvements made to the process, there is always a percentage deemed inappropriate for sale. Prêmio Mérito Amb., Fed. Os resultados de viscosidade e deformação piroplástica em barbotinas contendo resíduo foram melhores que a barbotina padrão empregada em um processo de produção. At this point, the deposited mass still had a pearl shine, which slowly became matte as the plaster absorbed water; the time taken for the ceramic mass to present a completely matte finish was recorded as the dying time. However, the main obstacle to a widespread recourse to waste recycling is the lack of knowledge about its effect in ceramic tile manufacturing. In short, nobody wants to be left behind as better ceramic products are created which in turn is creating a huge demand for ceramic waste for recycling purposes. 3, pp. 18 (2010) 270. Silicate residues are a significant group of materials when considering the recycling and reuse of industrial waste. Ind. These Facts and Figures are current through calendar year 2015. After the comminution process, the powder generated from the ceramic shards had white color and a silky touch; also, it was very fine and presented a heterogeneous particle-size distribution. Build. Are Ceramic Dishes Recyclable?. Comp. Mater. Bougher, Cerâm. [ Links ], 6 I. Guerra, I. Vivar, B. Llamas, A. Juan, J. Moran, Waste Manage. [ Links ], 7 C. Medina, M. Frías, M.I. Recycling of Mine Wastes as Ceramic Raw Materials: An Alternative to Avoid En vironmental Contamination 201 Radioactivity, petrochemical, and synthetic organic chemicals were largely developed and surfaced in the environment in the 1940s and 1950s. Figure 4 Flexural strength of test specimens. 40, 1 (2014) 307. On the other hand, the rejected ceramic pieces require comminution prior to reuse, and although this recycling process involves initial investment and energy consumption to grind and mill the waste, there are examples of recycling initiatives that are economically viable 5. You also have the option to opt-out of these cookies. In other words, as more WP was added to the mix, it experienced a lower increase in viscosity over time 22. Floor tile waste aggregates (FTWA) in concrete applications can substantially reduce the negative environmental effects and exhaustion of the natural resources. All formulations applied in the tests, including the control, are described in Table I. Cylinders with 200 mm in length and 15 mm in diameter were used for the three-point flexural strength test. Subsequently, to determine which raw material the WP should replace in testing, the WP and the raw materials used by the industry were separately shaped into cones, which undergone the industrial firing process to compare their after-sintering structure. The materials contained in your yellow lid (recycling) bin are transported by the City's waste trucks to a Materials Recovery Facility. Furthermore, the physicomechanical properties of ceramic specimens were determined through water absorption, three-point flexural strength for green specimens (before sintering), linear shrinkage and pyroplastic deformation. The results from the LG analysis, presented in Fig. 3 were in accordance with the LG analysis, as the material presented heterogeneous particle size distribution, with a significant fraction of lamellar crystals with sharp edges. The rationale behind this work is to look at recycling from the industrialist's point of view. Then, the mixtures were evaluated based on density, rheology, linear shrinkage, water absorption, and flexural strength. The XRD measurements were performed using a copper X-ray tube with 40 kV accelerating voltage and 30 mA current in the continuous scanning mode with a 2θ range from 10º to 80° at a rate of 2 °/min. Caracterização das massas cerâmicas e peças de louça sanitária. The LG analysis was performed under ambient conditions using water as a fluid, without a dispersant, 60 s of ultrasonication treatment and obscuration set to 17%. Scanning electron microscopy images of the sanitary ware waste. But although its definition is simple, which is re-using old or waste products or turning them into something completely new, getting it done is anything but. Técn., Rio Janeiro (2011). All phases were identified using the software Match! On the other hand, the rheology tests showed that adding WP boosted rheological performance as a result of a lower thixotropy index. Studies of possible applications of the waste from the sanitary ware industry can, in addition to reducing the prevalence and environmental footprint of crushing yards, help reduce the cost of waste disposal. The result of oxide composition obtained by energy dispersive X-ray (EDX) spectroscopy is listed in Table II. Imagens de microscopia eletrônica de varredura do resíduo de louça cerâmica. Industrial Waste Water Reuse with Crystar® Ceramic Membrane Filters Crystar® Filtration Technology uses advanced recrystallized silicon carbide membranes to improve water recycling processes or to make them feasible in some of the most demanding industrial sectors worldwide. Tabela III Caracterização das massas cerâmicas e peças de louça sanitária. Montedo, E. Angioletto, Mater. [ Links ], 20 H. Zhao, D. Darwin, Cem. Musical greeting cards with batteries (contact the Recycling Council of BC for battery and e-waste recycling options) Rubber bands; Plastic bags used to cover newspapers/flyers (recycle at a Recycle BC depot) Paper Packaging and Cardboard. Antao, I. Hassan, J. Wang, P.L. Particle size distribution curves of waste powder. Toby, Can. For water absorption tests, an 80 mm section of the specimen’s tail was cut, weighted while dried, placed in boiling water for 2 h, rested in that water for 24 h, and then weighted again 11. From the ecological point of view, the recycling of industrial wastes is becoming a priority, as a result of an ever-increasing environmental awareness 2. Amazonas 5253, 30421-169, Belo Horizonte, MG, Brazil. Dramatically reduces waste disposal costs. Build. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. It is important to note that this study was performed by recycling a sanitary ware waste within an industrial process responsible for its production. Yields an extremely affordable solution to virgin material. As misturas foram avaliadas quanto à densidade, reologia, retração linear, absorção de água e resistência à flexão. In other words, such recycling can be defined as a procedure, which is used for reprocessing such waste into new products. 20 (2017) 637. Mater. Figure 3 Scanning electron microscopy images of the sanitary ware waste. Our teams are present on site for the entire demolition process of your furnace, and to coordinate the speedy and efficient evacuation of all waste … With our ceramic recycling process, we are able to reduce the expense of sending ceramic scrap to landfills. Norm. [ Links ], 12 I.R. As well as reducing the volume of waste going to landfill sites, recycling and composting your domestic waste helps to minimise charges for waste collection. Recycling in South Africa is a largely different affair to how it’s done by some countries in the Northern Hemisphere. Here, the materials are sorted into their respective streams (glass, paper, cardboard, plastic, aluminum and steel) by both manual and automatic sorting processes. Figura 4 Resistência à flexão dos corpos de prova. Fig. Resultados de densidade, absorção de água e retração linear não mostraram diferenças significativas em relação às amostras de controle. 48 (2013) 295. Many of the items used in the home can be recycled. Mater. 18 (2011) 222025. This is a decisive factor when it comes to applying recycled products for the production of new materials, where the goal is to produce a similar or better product. The results for pyroplastic deformation showed no significant deviations from the control for formulations WP-5 and WP-10, while WP contents of 25% and above diminished the pyroplastic deformation. When it comes to sanitary ware production, focusing on materials that are used in the ceramic slip, numerous parameters must be verified. Paper packaging is recycled into new boxes, paper towels, tissues, paper-based plant pots, the paper cover for drywall … These results reflected the ones from firing cone tests, restating that the WP acted as a flux material, which formed liquid-phase during sintering and filled open pores, thus increasing the ceramic densification. Conc. Norm. Ceramic Recycling & Grinding Media. The residue percentage, which represented the fraction of solids from a suspension that was retained after size exclusion through a 44 µm sieve, evaluated the degree of slip pulverizing.