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Apr 11 2022Geopolymer mortar production was started by mixing 580 g of fly ash and 145 g of dry activator Figure 2 After both ingredients were mixed water was added to 20% of the total solid mass Water was poured gradually while being stirred until it formed a paste The geopolymer paste was moulded on a 5 × 5 × 5 cm 3 cube mould
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The purpose of this study is to determine the effect of concentration of sodium hydroxide solution on the strength of Waste Paper Sludge Ash WPSA based geopolymer mortar Initially the WPSA samples were been analyzed using X ray Fluorescence XRF to determine the chemical composition
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Mar 3 2022The Effect of Glass Fiber on Fly Ash based Geopolymer Concrete using Recycled Aggregates Murtaza Joya Shalika Mehta Anaerobic Co Digestion of Sewage Sludge and Waste A Review with a Focus on the Mixing Ratios Pre Treatment and Challenges A Research Paper on E Voting using Blockchain Technology Tanikella Sai Charan Srinanda
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The objective of this research was to produce geopolymer using non calcined WTS as partial replacement of metakaolin MK The alkali source was an alternative sodium silicate solution made from the mixture of NaOH and rice husk ash RHA MK was partially replaced by WTS in the proportions of 0% 15% 30% and 60% in mass
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The recycling of millions of tons of glass bottle waste produced each year is far from optimal In the present work ground blast furnace slag GBFS was substituted in fly ash based alkali activated mortars AAMs for the purpose of preparing glass bottle waste nano powder BGWNP The AAMs mixed with BGWNP were subsequently subjected to assessment in terms of their energy consumption
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Active research is ongoing regarding the mechanical behavior of structural members manufactured from geopolymer concrete GC as it lacks standardized/codified manufacturing and design procedures This study aims to address the shear behavior of GC beams First a consistent trial error based approach was used to develop the optimal mixture ratio /234 for NaOH/Na2SiO3 in terms
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Jun 30 2021Use of waste paper ash or wood ash as substitution to fly ash in production of geopolymer concrete Scientific Review Engineering and Environmental Studies SREES 30 3 464 476 https //// More Citation Formats Download Citation References Abdulkareem Ramli M Matthews 2024
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In this paper the use and effect of Ground Granulated Blast Furnace Slag GGBFS addition to fly ash FA on the performance of Geopolymer Concrete was presented A reference of Ordinary Portland cement concrete OPC mix was used to compare with geopolymer concrete
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The compressive strength splitting tensile strength and bending strength values were tested and geopolymer microstructure was analysed The up to 10% increase in strength of geopolymer concrete containing fly ash and paper sludge ash shows that good prospects exist for the use of this type of concrete for cast in situ applications Keywords
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Long term immobilization ratios of strontium Sr 2 and cesium Cs in paper sludge ash based geopolymer PS GP were investigated in one year PS GP paste specimens were prepared in the conditions of 20 °C and 100% using two kinds of paper sludge ash PS ash Two kinds of alkaline solution were used in the PS GP as activator
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The results indicate that the geopolymer content clay content in sludge initial water content and moisture content play a unique role in different properties of modified sludge Keywords Sludge fly ash geopolymer Taguchi method Download conference paper PDF References
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Volume 7 Issue 7 July 2024 01 Study of Marble Waste and its Utilization Deepti Mehta Deepak Paliwal Vijayendra Singh Sankhla Saurabh Tege 02 Experimental Investigation on HMA by using RAP Material BC Roads Santoshkumar Panduranga B Priyanka Patil Hariprasad G 03
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Anuar et al 2024 Investigated about the Geopolymer concrete incorporating with recycle concrete aggregate RCA is one of the method Waste Paper Sludge Ash WPSA and alkaline liquid as a binder are being used to replaced the Portland cement to produce geopolymer concrete
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The European Green Deal is the latest climate and environmental protection program launched by the EU This is a strategy to transform the EU into a resource efficient economy in which in 2024 there will be zero greenhouse gas emissions and economic growth will be decoupled from the use of natural resources After approving the National Economic Strategy for the period until
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Most of it is dumped with soil in landfills and the disposal of stone powder sludge causes a major environmental problem This paper investigates the applicability of stone powder sludge in fly ashbased geopolymer For this stone powder sludge was used to replace fly ash at a replacement ratio of 50% and 100% by weight
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geopolymer concrete since it can accommodate a major portion of the ash produced [7 8] Geopolymer concretes GPC are a type of Inorganic polymer composites to form a substantial element of an environmentally sustainable construction and building products industry by replacing/supplementing the conventional concretes
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The invention relates to a method for preparing geopolymer by using sludge ash The preparation method comprises by taking sludge ash and metakaolin as raw materials generating a sludge ash based geopolymer under activation of a NaOH water glass alkali activator solution The preparation method is simple and feasible in process and not only can save resources but also can realize resource
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Development of Paper Sludge Ash Based Geopolymer and Application to Treatment of Hazardous Water Contaminated with Radioisotopes Materials Basel 2024 Jul 28 9 8 633 doi /ma9080633 Authors Zhuguo Li 1 Toshihiko Ohnuki 2 Ko Ikeda 3 Affiliations
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High amount of calcium oxide CaO in source material is known to positively influence the mechanical strength of fly ash based geopolymer This study was conducted to investigate the suitability of paper mill sludge ash PMSA to partially replace fly ash in geopolymer mortar based on its degree of reaction Fly ash was activated by a combination of sodium silicate solution and 6 M sodium
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In this study paper sludge ash a waste from pulp and paper industry was used as a filler in fabricating Plaster of Paris/paper sludge ash composites Various percentage of paper sludge ash was used namely 1wt % 3wt % 5wt % and 7wt % The effect of paper sludge ash on the compressive strength of the Plaster of Paris was studied
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In this work a new strategy has been reported for the portable detection of H2S based on Fe doped hydroxyapatite nanoparticles Fe HA using a colorimetric paper test strip integrated with a smartphone platform Fe HA NPs were fabricated successfully via recycling waste coal ash The obtained probe response toward H2S was through a distinct visual color change The sensing mechanism is based
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The suitable SiO 2 /Al 2 O 3 ratio of metakaolin geopolymer was found to be Conclusions The viability of using recycled Water Treatment Sludge WTS and Rice Husk Ash RHA blend as a sustainable precursor to synthesize lightweight geopolymers is investigated in this research
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Geopolymer was synthesized from paper sludge and bottom ash • The alkaline activation solution consisted of sodium hydroxide and sodium silicate • Paper sludge was used as a supplement of amorphous aluminosilicate • The best results were achieved with 15 mol/l alkaline mixture • The compressive strength results were about 10 25 MPa 1
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This research is focusing on the production of the geopolymer concrete using waste paper sludge ash WPSA as the main binder and the recycle concrete aggregate RCA as the aggregate The compressive strength and the chloride permeability were studied in order to determine the potential of these materials in geopolymer
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The specimens were prepared with varying percentage of fly ash replaced by paper sludge ash under different curing regimes The compressive strength splitting tensile strength and bending strength values were tested and geopolymer microstructure was analysed The up to 10% increase in strength of geopolymer concrete containing fly ash and
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This study focuses on the pre treatment of paper mill sludge ash PMSA as a by product of paper milling industry that contains high amount of calcium yet low in silica The presence of high calcium content in geopolymer system will accelerate the setting time of fresh geopolymer and may disrupt the development of its mechanical strength …
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Most of it is dumped with soil in landfills and the disposal of stone powder sludge causes a major environmental problem This paper investigates the applicability of stone powder sludge
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As a new material to the Geopolymer concrete the paper sludge ash can be used as a replacement material to flyash and cement 2 Bond strength test results were conducted on cylindrical specimens of size 100mm dia x 200mm height
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This review paper presents a comprehensive understanding of the role of different chemical compositions namely SiO 2 Al 2 O 3 CaO Fe 2 O and MgO available in contemporary industrial wastes and the development of geopolymer binders Sustainable Fly Ash Based Geopolymer Binders A Review on Compressive Strength and Microstructure
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PDF On May 1 2024 Shashi Kumar published Experimental Investigation on Fly Ash Based Geopolymer Concrete with Partial Replacement of Fly Ash by Paper Sludge Ash Find read and cite all the
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