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Evaluation of concrete recycling system efficiency for

Evaluation of concrete recycling system efficiency for ready-mix concrete plants Abstract The volume of waste generated annually in concrete plants is quite large and has important environmental and economic consequences. The use of fresh concrete recyclers is an interesting way for the reuse of aggregates and water in new concrete production.

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Evaluation of concrete recycling system efficiency for

Evaluation of concrete recycling system efficiency for ready-mix concrete plants. Vieira Lde B(1), Figueiredo AD(2). ... This study focused on the evaluation of two recyclers with distinct material separation systems, herein referred to as drum-type and rotary sieve-type equipment. They were evaluated through characterization and monitoring ...

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Evaluation of concrete recycling system efficiency for

2016-10-1  Evaluation of concrete recycling system efficiency for ready-mix concrete plants - ScienceDirect Waste Management Volume 56, October 2016, Pages 337-351 Evaluation of concrete recycling system efficiency for ready-mix concrete plants Luiz de Brito PradoVieiraa Antonio Domingues deFigueiredob

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Evaluation of concrete recycling system efficiency for

A study carried out for over one year by one of the largest ready-mix concrete producers in Brazil concluded that the use of untreated slurry is unfeasible because of its intense negative effects on the strength and workability of concrete. The volume of waste generated annually in concrete plants is quite large and has important environmental and economic consequences. The use

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Evaluation of concrete recycling system efficiency for

2016-7-1  Request PDF Evaluation of concrete recycling system efficiency for ready-mix concrete plants: The volume of waste generated annually in concrete plants is quite large and has important ...

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Evaluation of concrete recycling system efficiency for

2016-7-28  This paper presents a study carried out for over one year by one of the largest ready-mix concrete producers in Brazil. This study focused on the evaluation of two recyclers with distinct material separation systems, herein referred

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Evaluation of concrete recycling system efficiency for

Evaluation of concrete recycling system efficiency for ready-mix concrete plants Author: Luiz de Brito Prado Vieira, Antonio Domingues de Figueiredo Source: Waste management 2016 v.56 pp. 337-351 ISSN: 0956-053X Subject: cement, ... monitoring, recycling, slurries, viability, wastes, wastewater treatment, Brazil Abstract: ...

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Evaluation of concrete recycling system efficiency for ready ...

Article “Evaluation of concrete recycling system efficiency for ready-mix concrete plants” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood ...

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Evaluation of concrete recycling system efficiency for

Evaluation of concrete recycling system efficiency for ready-mix concrete plants Luiz de Brito Prado Vieiraa, Antonio Domingues de Figueiredob,⇑ a Engemix/Votorantim Cimentos Brasil LTDA, Brazil bDepartment of Civil Construction Engineering, Polytechnic School, University of São Paulo, Brazil article info Article history: Received 4 April 2016

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Evaluation of concrete recycling system efficiency for

Evaluation of concrete recycling system efficiency for ready-mix concrete plants Luiz de Brito Prado Vieiraa, Antonio Domingues de Figueiredob,⇑ a Engemix/Votorantim Cimentos Brasil LTDA, Brazil bDepartment of Civil Construction Engineering, Polytechnic School, University of São Paulo, Brazil article info Article history: Received 4 April 2016

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Evaluation of concrete recycling system efficiency for ready ...

Article “Evaluation of concrete recycling system efficiency for ready-mix concrete plants” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood ...

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Evaluation of concrete recycling system efficiency for

This paper presents a study carried out for over one year by one of the largest ready-mix concrete producers in Brazil. This study focused on the evaluation of two recyclers with distinct material separation systems, herein referred to as drum-type and rotary sieve-type equipment.

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Resumen de Evaluation of concrete recycling system

This paper presents a study carried out for over one year by one of the largest ready-mix concrete producers in Brazil. This study focused on the evaluation of two recyclers with distinct material separation systems, herein referred to as drum-type and rotary sieve-type equipment.

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An evaluation of concrete recycling and reuse practices

1997-2-1  The U.S. Department of Energy's Office of Scientific and Technical Information

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concrete recycling system - cementgrindingplants

Treating and Recycling Concrete Process Water. Recycling concrete process water The unwritten rule when evaluating the suitability of water for use in concrete has typically been If you can drink it you can make concrete with it Many within the industry still have this perception and it is the reason why some customers may not allow the use of process water for batching even though

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Proposal of demolished concrete recycling system based

2021-1-1  The produced concrete mixes composition and achieved compressive strength are following: (1) control mix (w/b =0.45, 63 MPa), (2) 70% replacement of cement with blast furnace slag grinded by 30 ...

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The Efficiency of Recycling Expired Cement Waste in

2022-3-1  It changed from 3.17 g/ml for the CEMI (control cement) to 3.01 g/ml for modified cement with 35% of replacement. This reduction can be explained by the fact that EC particles are lighter than that of CEMI which favored the deposit of cement at the bottom of the pycnometer.

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Evaluation of environmental friendliness of concrete

2015-11-17  This is the first ever LCA study on the environmental performance evaluation of both natural concrete paving blocks and paving eco-blocks, which is likely to extend the potential application of eco-blocks to other countries for saving environmental impacts and resources. ... HKGPC (2013) Hong Kong’s glass recycling system. Hong Kong green ...

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BATCHKRET 20 Putzmeister Underground welcome to

2022-7-13  Concrete Batching Plant; Concrete Batching Plant Line-up; BATCHKRET 20 Putzmeister Underground build your own small cooking oil refinery plant for making Capacity 20m 3 ~45m 3 30m 3 ~180m 3 60m 3 ~300m 3 Batch Pack Simple Structure x Compact Design

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(PDF) Efficiency evaluation of recycled concrete based

Efficiency evaluation of recycled concrete based Data Envelopment Analysis ( DEA ) approach. 2017. Badr Alsulami. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper.

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An evaluation of concrete recycling and reuse practices

1997-2-1  The U.S. Department of Energy's Office of Scientific and Technical Information

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Strength and Durability Evaluation of Recycled Aggregate

2015-5-14  Therefore, the experimental program was divided into two phases; Phase 1 deals with evaluation of the aggregate properties and Phase 2 focuses on the evaluation of concrete mixtures utilizing 100 % recycled aggregates. Figure 2 summarizes the experimental program and list of physical and mechanical properties included in the investigation.

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Eco-efficiency assessment of technological innovations in

Eco-efficiency assessment of technological innovations in high-grade concrete recycling. Chunbo Zhang, Mingming Hu *, L. Dong, Abraham Gebremariam, Brenda Mirand-Xicotencatl, Francesco Di Maio, Arnold Tukker * Corresponding author for this work. Resources Recycling; Research output: Contribution to journal › Article › Scientific › peer ...

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Exergy as a tool for evaluation of the resource efficiency of

Exergy as a tool for evaluation of the resource efficiency of recycling systems. O Ignatenko, A van Schaik, MA Reuter. ... Exergy as a tool for evaluation of the resource efficiency of recycling systems. In S.n. (Ed.), Proceedings of Material, Minerals and Metals Ecology 2006 (pp. 1-20). Minerals Engineering International.

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Eco-efficiency in Recycling Systems: Evaluation Methods

Corpus ID: 106435278; Eco-efficiency in Recycling Systems: Evaluation Methods Case Studies for Plastic Packaging @inproceedings{Eik2002EcoefficiencyIR, title={Eco-efficiency in Recycling Systems: Evaluation Methods \ Case Studies for Plastic Packaging}, author={Arne Eik and Solveig Steinmo and H{\aa}vard Solem and Helge Bratteb{\o} and Bernt Saugen}, year={2002} }

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Proposal of demolished concrete recycling system based

Based on these results, this study proposes a concrete waste recycling system to reduce the amount of construction waste and prevent resource depletion. The rapid industrial development and global population growth of the past century have resulted in an exponential increase of resource consumption and thus caused elevated CO2 emissions that ...

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Evaluation of the Efficiency of Limestone

The main goal of this research project is to evaluate the efficiency of limestone powder as a partial cement replacement, in order to reduce energy consumption and CO 2 emissions. This study utilizes limestone powders, with different

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5.3. Recycling efficiency EME 807: Technologies for

Then efficiency of lead recovery can be estimated as: η = mPb (out) / m (in) x 100% Let us imagine that a small recycling facility treats 13,000 kg of old batteries per year. If the amount of the recovered lead is for example 7,000 kg per year, then η = 7,000 / 13,000 × 100% = 54%

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Eco-efficiency in Recycling Systems: Evaluation Methods

The objectives of this study have been to: 1) Develop methods for evaluation of eco-efficiency in recycling systems. 2) Apply these methods to evaluate the eco-efficiency of today’s recycling systems for used plastic packaging from households, identify the improvement potential in these systems, and suggest alternative eco-efficient solutions.

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