Utilization of andesite processing wastewater treatment sludge as admixture in concrete mix

Sogancioglu, Merve; Yel, Esra; Yilmaz-Keskin, Ulku Sultan

doi:10.1016/j.conbuildmat.2013.04.035

Cited by 20 publications

(9 citation statements)

References 8 publications

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“…In recent years, many researchers have studied the use of WTP sludge [28] in degraded areas [13,14], coagulant regeneration [15], and reuse in the construction industry as a replacement for, or addition to, the traditional raw materials in the production of cement [16,17,18], concrete [3,11,19,20,21,22], ceramic [23,24,25,26,27,44], soil-cement [29], and mortars [30,31].…”

Section: Introductionmentioning

confidence: 99%

Physico-chemical characterization of centrifuged sludge from the Tamanduá water treatment plant (Foz do Iguaçu, PR)

Ramirez¹,

Possan

Bittencourt

et al. 2018

Matéria (Rio J.)

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The water treatment process generates a residue called water treatment plant (WTP) sludge, which needs to be correctly characterized to ensure appropriate disposal or reuse. This study aimed to characterize the centrifuged sludge produced at the Tamanduá WTP, Iguaçu Falls City, Brazil, and considered opportunities for its reuse in the production of concrete for the civil construction industry. Wet sludge (sludge in its natural form) analysis included the determination of total solids, moisture content, density, pH, and inorganic parameters (As, Al, Ba, Cd, Pb, Cr, F, Hg, Ag, and Se) through thermogravimetric analysis, X-ray diffraction, and chemical analysis by X-ray fluorescence and loss ignition. For calcined WTP sludge, chemical and mineralogical composition and laser granulometry were evaluated. The results indicated that calcined sludge had the potential to be used in the production of cement materials; conversely wet sludge did not reach the appropriate safety standards due to the high quantity of organic matter.

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Section: Introductionmentioning

confidence: 99%

Physico-chemical characterization of centrifuged sludge from the Tamanduá water treatment plant (Foz do Iguaçu, PR)

Ramirez¹,

Possan

Bittencourt

et al. 2018

Matéria (Rio J.)

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“…It might reduce the overall amount of cement available for binding the structure (Zain et al 2004). Change in the chemical reactions or bonding characteristic of the cement, water and admixture with addition of sludge could be another reason for decreased compressive strength of mortars (Sogancioglu et al 2013). Maximum compressive strength was observed for samples which were cured for 28 days.…”

Section: Compressive Strength Of Mortar Samplesmentioning

confidence: 89%

“…They found that the soil could be substituted up to 30 % with sludge. Sogancioglu et al (2013) investigated the utilization of andesite processing wastewater treatment sludge as admixture in concrete mix. Results of the study concluded that cement could be replaced by up to 0.5 % of physicochemical sludge for making non-load-bearing structures.…”

Section: Introductionmentioning

confidence: 99%

Utilization of electrocoagulation-treated spent wash sludge in making building blocks

Sharma

Joshi

2015

Int. J. Environ. Sci. Technol.

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Minimization, utilization and disposal of industrial waste are very important from the environmental esthetic point of view. Sludge generated during the treatment of distillery spent wash by electrocoagulation process is highly complex in nature and requires proper disposal. In this context, the present study was conducted to employ the electrocoagulation-generated sludge as a partial replacement of cement while manufacturing the non-constructional building blocks. Various physiochemical and thermo-gravimetric characterization studies have been carried out on electrocoagulation-generated sludge and cement. Mortar specimens with different proportions of sludge ranging from 0 to 15 % by weight of cement were tested for density, compressive strength and leachability of heavy metals by standard method. Results from the analysis showed that the cement-based solidification of EC sludge reduces the heavy metal concentration in the leachate from cement-sludge mortars compared to the EC sludge alone. Reduction in the compressive strength of mortar with 7.5 % substitution of cement by EC sludge was \5 % against the control mortar (without sludge), thereafter the reduction was substantial. The optimum percentage of sludge that can replace the cement with marginal change in the physiochemical properties is found to be 7.5. This can be used in the manufacturing of the non-constructional building material within the industry for their different types of usages such as paving, pot making and fencing of garden without affecting the environment.

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“…As an alternative to disposal of this waste, several studies have been developed in recent years. These include, application in degraded soils (Bittencourt et al , 2012), use as construction materials in the production of cement (Chen et al , 2010; Yen et al , 2011; Sullivan et al , 2010), mineral addition (Gastaldini, et al , 2015), concrete (Sogancioglu et al , 2013; Chatveera et al, 2009; Yague et al , 2005), ceramics (Tartari et al , 2011; Monteiro et al , 2008; Martínez-Garcia et al , 2012; Kizinievič et al , 2013), soil-cement (Rodrigues and Holanda, 2015) and mortars (Rodriguez et al , 2010).…”

Section: Introductionmentioning

confidence: 99%

Potential uses of waste sludge in concrete production

Ramirez¹,

Possan

Dezen

et al. 2017

MEQ

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Purpose The purpose of this paper is to address the use of sludge from water treatment plant (WTP sludge), in its natural form (wet), in the construction industry, especially in the production of concrete, evaluating the effects of replacing natural sand with different WTP sludge levels in the concrete properties. Design/methodology/approach The dosage study evaluated mixtures with replacement levels of 0, 5, 7 and 10 percent of wet sludge in relation to the mass of natural sand, analyzing their effects on mechanical properties and water absorption in concrete with water/cement (w/c) ratios of 0.45, 0.55 and 0.65. Findings From the results obtained, it is possible to note that the addition of WTP sludge in its natural form (wet) reduces the strength of concrete. However, from a technical point of view, a level of replacement of up to 5 percent for applications in concrete is suitable, provided that it is not structural concrete. Practical implications Further studies should be conducted to verify the influence of the replacement of sand for heat-treated sludge in concrete properties, also analyzing the environmental viability linked to the calcination process. Originality/value Few studies are conclusive in relation to the use of WTP sludge in concrete production. This study shows statistically the negative effect of the addition of wet sludge in the mechanical properties and in the water absorption of concretes from different w/c ratios.

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Utilization of andesite processing wastewater treatment sludge as admixture in concrete mix

Cited by 20 publications

References 8 publications

Physico-chemical characterization of centrifuged sludge from the Tamanduá water treatment plant (Foz do Iguaçu, PR)

Physico-chemical characterization of centrifuged sludge from the Tamanduá water treatment plant (Foz do Iguaçu, PR)

Utilization of electrocoagulation-treated spent wash sludge in making building blocks

Potential uses of waste sludge in concrete production

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