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This short communication focuses on the potential use of paper sludge ash a waste product of the paper making industry as an innovative binder partially replacing cement in concrete
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Apr 01 2015 · Paper sludge ash PSA is a waste generated by the paper recycling industry It is produced when dewatered waste paper sludge a byproduct of the deinking and repulping of paper is combusted to reduce waste volume and to produce energy
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water demand making more water available for cement and paper sludge fly ash to hydrate In this way the strength results of PsFAHW 10 R 10 are higher than without coal combustion fly ash even though the cement content is 10 lower Furthermore the strength results with coal combustion fly ash are for each treatment higher than
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Mar 03 2018 · Paper sludge fly ash could be a feasible replacement of cement however its high water demand limits the substitution level to 10 by mass of binder Therefore different upgrading methods including water treatment and thermal treatment are performed and their effects are evaluated using various analytical methods
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ash in combination with lime sludge in mortar and concrete 1315 Several studies reported application of lime sludge with fly ash in formation of belite based cementitious binder Leire 16 had undertaken a study on the synthesis of ecoclinker from the thermal treatment of waste materials like lime sludge biological sludge and fly ash
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Further waste paper sludge has very high calorific value and could be used as a fuel before using its ash as partial cement replacement fiber reinforced concrete is a composite material
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Jun 19 2016 · The waste material so called as waste paper sludge ash WPSA was chosen as binder to be used to solidify WTPS WPSA is a waste that is produced in bulk at the recycled paper factories Somehow its potentiality especially as cement replacement materials is unknown
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of concrete with the waste paper sludge ash by replacement of cement in the range of 5 10 15 and 20 which may help to reduce the disposal problem of sludge and enhance the properties of concrete As wastepaper sludge ash contains higher percentage of silicon dioxide SiO 2 it may provide extra strength to concrete
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The authors recommended examination of the feasibility of adapting binding or otherwise modifying the paper sludge or paper sludge ash as an aggregate replacement PhysicaL and cheMicaL ProPerties Wastewater treatment Plant Little was found in the literature with regard to the material or chemical properties of the WWTP residuals
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Utilization of Rice Husk Ash and Waste Paper Sludge Ash as Partial Replacement of Cement in Concrete written by Rasik Fayaz Er Parvinderjeet Kaur Er Kiran Talwar published on 20180730 download full article with reference data and citations
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The production of conventional soil stabilisers such as cement or lime involves nonrenewable natural resource and energy consumption and high carbon dioxide emissions therefore alternative stabilisers are sought This study used waste paper sludge ash PSA to treat three different clays The aim was to assess PSA effectiveness as an
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This paper investigates workability and strength of concrete made with different proportions of waste paper sludge ash WSA and ground granulated blastfurnace slag GGBS as binder at two wb rations 05 and 04 Specimens were tested unconfined compressive strength after 1
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The results on the grouting of liquid and solid waste from the Baikal Pulp and Paper Mill represented by sludge lignin and ash are presented Cement liquid glass colloidal silica ammonium persulfate hydrogen peroxide were used as the main hardeners Samples
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Some of the major constrain in utilisation of lime sludge in cement plant arehigh moisture content high alkali content variation in the quality of sludge Use of lime sludge has been also reported as soil conditioner alongwith solid waste like fly ash and paper mill sludge
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Paper mill sludge is often incinerated for heat recovering and also for an important volume reduction In Italy about 6x10 5 tons of paper sludge is yearly produced giving 60kg of paper ash per ton In this project the ash coming from burning of paper mill sludge from primary mechanical separation process fired as single fuel was studied in order to evaluate its use as supplementary
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Paper sludge ash is a material that is considered as an alternative binder to make concrete as like as GGBS Rice Husk Glass Powder Fly ash Phospogypsum etc Paper mill sludge is a major pecuniary and environmental problem for the paper and board Portland cement ingredients
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This paper investigates workability and strength of concrete made with different proportions of waste paper sludge ash WSA and ground granulated blastfurnace slag GGBS as binder at two wb rations 05 and 04 Specimens were tested unconfined compressive strength after 1
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sludge Hyposludge is produced in a large amount as a byproduct of paper industry and used in concrete production as partial replacement of cement It contains low calcium and minimum amount of silica due to the presence of silica and magnesium The sludge flyash and press mud are basically the waste materials which can be converted in to
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ash in combination with lime sludge in mortar and concrete 1315 Several studies reported application of lime sludge with fly ash in formation of belite based cementitious binder Leire 16 had undertaken a study on the synthesis of ecoclinker from the thermal treatment of waste materials like lime sludge biological sludge and fly ash
Get Price
waste paper sludge ash as partial replacement of cement for new concrete From the results obtained it is found that Waste Paper Sludge Ash can be used as cement replacement up to 5 by weight further waste paper sludge has very high calorific value and could be used as a fuel before using its ash as partial cement replacement
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The main recycling and disposal routes for paper sludge are landspreading producing paper sludge ash or disposal to any river stream In function alternative paper sludge consists of cellulose fibres calcium carbonate and china clay and residual chemicals bound up with water To produce low cost concrete by replacing cement with hypo sludge
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paper mill sludge produced in the world is many million tonnes The main recycling and disposal routes for paper sludge are landspreading as agricultural fertilizer producing paper sludge ash or disposal to landfill In efficient terms paper sludge consists of cellulose fibres fillers such as calcium
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and is yet to be used on a large scale Alternative uses for sludge ash such as bricks and cement are an excellent option if a user can be found near the mill and if long term contracts can be acquired New products developed from pulp and paper mill sludge however need to have a market to make them economically feasible
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However the paper industry does much more than recycle paper Wastewater treatment plant WWTP residuals paper sludge boiler ash and causticizing residues are among the byproducts associated with pulp and paper production that can also be recycled into different applications WWTP residuals are composed of the solids removed from process
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Abstract Waste Paper Sludge Ash WPSA is a waste material collected from the Paper Industry WPSA is used as cement replacement in producing mortar and was investigated on its chemical physical and mechanical properties Construction material with natural resources now become limited and causes of air pollution and environmental problems
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which is usual for writing and printing paper The other sludge samples A C and D had ash contents between 225 to 335 All ash values of the sludge samples were higher than the specified limit of 15 for the commercial fiber additive In contrast the wastepaper fiber showed a low 677 ash content which was just a little higher than the
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Polymeric concrete containing no cement provides great potential in reducing the global warming problems caused by CO 2 emissions in Portland cement production On the other hand large amount of waste paper sludge ash produced annually in Malaysia has caused a disposal problem as they require a proper dumping process whereby it is very costly
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Dec 31 2016 · The attained maximum SAI at substitution of cement by treated waste paper sludge at 600 0C for 3 hour duration is 102 which is above the requirement of SAI ie 75 as per ASTM C 618 to be utilized as pozzolanicpartial cement substitution material in concrete
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cement hardening retarders 1011 whereas calcite may accelerate the hydration process and affect the formation of hydrates 1213 A majority of scientists are involved in the investigation of the impact that paper sludge ash has on the properties of cement mortar and concrete but it requires a lot of energy
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papermaking sludge into a new porous material with high cation exchange capacity by reacting this ash in an alkali solution This paper reports some application of the new material to environmental conservation such as improvement of water quality and admixture in concrete INTRODUCTION Today materiallyabundant Japan is overflowing with du
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sludge ash and to reduce disposal and pollution problems due to waste paper sludge ash The innovative use of waste paper sludge ash in concrete as a supplementary cementitious material was tested as an alternative to fibre reinforced concrete In this study waste paper sludge ash was partially replaced from 5 10 15 in cement to get
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Effect of incinerated paper sludge ash on fly ashbased geopolymer concrete Table 1 Chemical composition of fly ash and paper sludge ash mass 23 Applied aggregates Locally available river sand confirming to grading zone II as per BIS 3831970 was used as fine aggregate Its specific gravity was 26 and fineness modulus was approximately
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Mar 25 2016 · Cite this paper as Sharipudin SS Mohd Ridzuan AR Raja Mohd Noor RNH Che Hassan A 2016 Strength Properties of Lightweight Foamed Concrete Incorporating Waste Paper Sludge Ash and Recycled Concrete Aggregate
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Abstract The potential for using sewage sludge ash SSA in cement mortars and concrete is reviewed The chemical and physical properties and pozzolanic activity of a range of different incinerated SSA samples indicates the potential to exploit the pozzolanic properties of this waste as a supplementary cementitious material SCM
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eggshells Zaman et al 2018 This short communication assesses waste paper sludge ash PSA as a calciumbased clay stabiliser alternative to lime or cement PSA is produced by the incineration of paper sludge a semisolid slurry collected in the effluent treatment units which is the main waste stream of the paper recycling industry
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paper mill sludge produced in the world is many million tonnes The main recycling and disposal routes for paper sludge are landspreading as agricultural fertilizer producing paper sludge ash or disposal to landfill In efficient terms paper sludge consists of cellulose fibres fillers such as calcium
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Dec 22 2008 · The consultation – which will run until March 12 2009 – seeks views on the draft protocol which clarifies when paper sludge ash ceases to be waste and can be recycled into alternative uses such as agricultural liming concrete blocks and cement
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Kata KunciSemen Portland Waste paper sludge ash alternatif klinkerisasi I PENDAHULUAN ERKEMBANGAN teknologi infrastruktur memegang peranan penting dalam pembangunan nasional Untuk terus melakukan perkembangan pembangunan nasional diperlukan material penunjang yaitu semen Portland Cement Untuk
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Some of the major constrain in utilisation of lime sludge in cement plant arehigh moisture content high alkali content variation in the quality of sludge Use of lime sludge has been also reported as soil conditioner alongwith solid waste like fly ash and paper mill sludge
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The results on the grouting of liquid and solid waste from the Baikal Pulp and Paper Mill represented by sludge lignin and ash are presented Cement liquid glass colloidal silica ammonium persulfate hydrogen peroxide were used as the main hardeners Samples
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Accordingly a huge amount of incineration ash socalled paper sludge ash PSash in short in the present study is discharged Some studies have attempted the recycling of PSash for instance hydrothermal solidification to produce building materials solidification materials of soft ground coagulants for dredging etc 272829
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hazards associated with paper sludge ash part of waste code 10 01 01 to support NPS officers in their deployment review The operator must also demonstrate – and permitting staff must evaluate– the agricultural benefit from applying the wastes under a specific deployment However this is not the focus of this REA 12 Structure of this
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