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wastepaper sludge ash chemical composition

  • Production of Controlled Low Strength Material Utilizing ...

    Production of Controlled Low Strength Material Utilizing Waste Paper Sludge Ash and Recycled Aggregate Concrete A. N. Azmi1,a, M. A. Fauzi1, M. D.

  • Upgrading and Evaluation of Waste Paper Sludge Ash in Eco ...

    Abstract: The upgrading and evaluation of waste paper sludge fly ash (PsFA) as a cement substitute in wood-wool composite boards (WWCB) is investigated in the present study. This type of board is widely applied in the building environment because of its excellent

  • SLUDGE CHARACTERISTICS AND DISPOSAL ALTERNATIVES FOR …

    sludge has only 60% of the heating value of the low-ash sludge. The analyses for bark and wood chips (which mills com- monly bum in a “hog” boiler) and wastepaper (which can be

  • PRODUCTION OF LIGHTWEIGHT FILLERS FROM WASTE GLASS …

    850 °C to manage waste paper sludge. The PSA produced is a fine grey powder with pH~12. The PSA produced is a fine grey powder with pH~12. The chemical composition is presented in Table 1.

  • chemical composition waste paper sludge ash - spetech.co.in

    Probiotic levels, chemical composition and . by dumping their waste, mentative characteristics and chemical composition of sludge paper as substrate in The results of chemical composition (DM, ash…

  • Wastepaper sludge ash - ScienceDirect

    Chemical composition of WSA. The dry wastepaper sludge comprises approximately equal amounts of organic and inorganic components, the latter consisting principally of kaolinite and limestone. The kaolinite content of wastepaper sludge can vary within the range of 15%–75% and the calcite content from 21% to 70% Péra and Amrouz, 1998). The type, grade, and quality of the paper recycled ...

  • Recycling of Waste Paper Sludge in Cements ...

    The pulp and paper industry, in Europe, generates 11 million tons of solid waste each year (Monte et al., 2009). Paper waste covers a diverse range of non-hazardous waste streams, prominent among which are different types of sludge, boiler ash, combustion furnace ash and organic and inorganic

  • SOFT Soil Subgrade Stabilization Using Waste Paper Sludge ...

    Abstract. This paper presents findings on the soft soil stabilization using waste paper sludge ash (WPSA). A laboratories testing was conducted to determine the compressive strength, total shear strength and effective shear strength on soft soil subgrade stabilized using WPSA mixtures.

  • Waste-Treated Waste: Stabilization of Colliery Waste from ...

    The chemical and oxide composition, physical and other properties of the CS, WSA, GGBS, PC and lime used are shown in Table 1. Table 1 œ Oxide composition …

  • Portland cement paper sludge - SMARTWaste

    Portland cement. Paper sludge is currently in use as an alternative fuel. It is classified as Class 2 (liquid alternative fuels) in the Cembureau classification of alternative fuels (5). Paper sludge ash After incinerating paper sludge at approximately 800 °C, the resultant fly ash may contain reactive silica and alumina (in the form of metakaolin) as well as lime (CaO) which contribute ...

  • Improving strength development of wastepaper sludge ash by ...

    The method utilises a wet-grindingbehaviour to that of wastepaper sludge ash was observedwater faster and more extensively than other cementitiousof size and composition, and therefore do not behave in asequent to lime hydration.First the hydroxyl ions released from the hydrated lime willmake the solution alkaline, later the glassy phases begindissociating and freeing alumina and silica into ...

  • Journal of Sustainable Cement-Based Materials

    This study evaluates fresh and hardened properties of fly ash geopolymer mortars incorporating calcined wastepaper sludge cured under ambient conditions. The calcined sludge geopolymer mixtures were characterized by XRD, XRF, and SEM–EDS techniques. It was observed that addition of up to 40 wt

  • Alternative calcium-based chemical stabilisers for ground ...

    Keywords: Solid waste management, paper sludge ash, chemical soil stabilisation, geotechnical properties 1. Introduction The increase in the earth's population is bringing about the need to build on sites and subsoil conditions that are inadequate for construction in their present state. This need is exacerbated by the gradual depletion of natural aggregate resources. It is therefore becoming ...

  • Valorization of Wastepaper Sludge Ash as Main Component of ...

    Abstract. This paper deals with the valorization of wastepaper sludge ash (WSA) as the main component of Hydraulic Road Binder (HRB). The physical, chemical and mineralogical characteristics of this WSA were studied and this characterization was completed by a study of the reactivity of WSA in presence of lime and gypsum.

  • Improving strength development of wastepaper sludge ash by ...

    Wastepaper sludge ash (WSA) requires relatively higher proportions of water than Portland cement (PC) when used as a single binder. This high water demand may be reduced by the addition of secondary binders such as ground granulated blastfurnace slag (GGBS), …

  • COMPRESSIVE STRENGTH AND WORKABILITY OF CONCRETE …

    compressive strength and workability of concrete utilising waste-paper sludge ash and ground granulated blast furnace slag as binder j. m. kinuthia1, a. gailius2, Ž.

  • Sewage Sludge Ash - Material Description - User Guidelines ...

    Sewage sludge ash is the by-product produced during the combustion of dewatered sewage sludge in an incinerator. Sewage sludge ash is primarily a silty material with some sand-size particles. The specific size range and properties of the sludge ash depend to a great extent on the type of

  • Reaction products and strength development of wastepaper ...

    Wastepaper sludge ash (WSA) from a newsprint paper mill was investigated for its mineralogical composition and its reaction products and strength development after activation with water and sodium and potassium hydroxide solutions.

  • PROSPECT OF PARTIAL UTILIZATION OF WASTE GLASS POWDER …

    Waste paper sludge ash (WPSA): Waste paper sludge was obtained from JML waste paper corporation, Pathankot, Punjab, India. It was then sun dried and incinerated so as to convert it into ash. The ash was sieved through 90 micron (0.0035") Indian Standard sieve. The specific gravity of waste paper sludge ash was found to be 2.6. Chemical composition of paper sludge ash is presented in …

  • Composition of Waste | SpringerLink

    The composition of waste generated in pulp and paper industry are presented. The composition of sludge depends on the raw material, manufacturing process, chemicals used, final products and the wastewater treatment technique. In case of recycled papers, it also depends on …

  • Experimental studies on pulp and paper mill sludge ash ...

    ash was detected during paper mill sludge and wood firing suggesting that the fraction of the volatilized inorganic species in the paper mill sludges was low. Results from pulp mill sludge …

  • Advances in Cement and Concrete Technology in Africa

    Calcite is the main component of waste paper sludge ash (PA).The chemical and mineralogical composition of PA suggests using it as a supplementary cementitious material. In …

  • Study of Concrete Involving Use of Waste Paper Sludge Ash ...

    waste paper sludge ash was partially replaced as 5%, 10%, 15% and 20% in place of cement in concrete for M- 25 mix and tested for its compressive strength, tensile strength, water absorption and dry density up to 28 days of age and compared with conventional concrete. From the results obtained, it is found that Waste Paper Sludge Ash can be used as cement replacement up to 5% by weight and ...

  • Pulp Extrusions Incorporating Sludge From The Pulp and ...

    collecting papermill sludges for evaluation, we discovered that the task of characterizing sludge (i.e., solids and ash content, chemical composition, and fiber length distribution) would be much more difficult than we had anticipated.

  • APPLICATION OF PAPER SLUDGE ASH IN CONSTRUCTION …

    Figure 1: Chemical composition of paper sludge ash . adopted from Segui et al., 2012 2.3 Mineralogical composition Editing (1985) Paper sludge contains very small quantities of minerals, such as kaolinite and calcium carbonate,

  • Improving strength development of wastepaper sludge ash by ...

    Wastepaper sludge ash (WSA) requires relatively higher proportions of water than Portland cement (PC) when used as a single binder. This high water demand may be reduced by the addition of secondary binders such as ground granulated blastfurnace slag (GGBS), which improves the hydration properties of …

  • Zeolite synthesis from paper sludge ash at low temperature ...

    Paper sludge ash was partially converted into zeolites by reaction with 3M NaOH solution at 90 C for 24h. The paper sludge ash had a low The paper sludge ash had a low abundance of Si and significant Ca content, due to the presence of calcite that was used as a paper filler.

  • Properties of Waste Paper Sludge Ash (WPSA) as cement ...

    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.

  • SEWAGE SLUDGE: A FASCINATING FEEDSTOCK FOR CLEAN ENERGY.

    SEWAGE SLUDGE: A FASCINATING FEEDSTOCK FOR CLEAN ENERGY M. Rashid Khan, M. McMahon, S. J. DeCanio Texaco Research h Development, P.O.Box 509, Beacon, NY 12508 Sewage sludge is composed of organic and inorganic materials. The organic portion of the sludge is predominantly composed of C, H, ti, and S. On a dry-basis, the heating value of sludge is greater …

  • Reaction products and strength development of wastepaper ...

    Read "Reaction products and strength development of wastepaper sludge ash and the influence of alkalis, Cement and Concrete Composites" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.