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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Deriving Value from Challenging Waste Streams: Recycling and Sustainability Joint Session
Presentation Title Different Methods for the Characterization of Ash Compositions in Co-firing Boilers
Author(s) Jan-Erik Eriksson, Tooran Khazraie, Leena Hupa
On-Site Speaker (Planned) Jan-Erik Eriksson
Abstract Scope With increased co-firing of coal and different biomasses in power plants, there is a growing need to study and characterize the produced, often heterogeneous ashes and to assess their utilization as secondary raw materials. In this work, we compare different methods for characterizing the ash compositions. These methods include scanning electron microscopy with element analysis (SEM-EDS), X-ray fluorescence (XRF), X-ray diffraction (XRD), and element analysis using inductively coupled plasma emission spectroscopy (ICP-OES) for ashes dissolved in aqueous solutions. The methods and the pretreatments required for each analysis were studied in detail for three ashes: 1) coal, 2) peat and wood, 3) wood residue, peat and dolomite addition. The limitations of each method will be discussed. Finally, the most feasible methods were utilized to characterize five more ashes. This work gives guidelines for selecting a rapid and reliable method for analyzing the suitability of the ash for a particular application.
Proceedings Inclusion? Planned:


A New Technology for Cleaning Machining Metal Chips
A Sustainable Methodology for Recycling Electric Arc Furnace Dust
An Eco-friendly Extraction Method for Recovery of Valuable Metals from Spent Ni-W/Al2O3-SiO2 Catalysts
An Electrochemical Procedure for Copper Removal from Regenerated Pickling Solutions of Steel Plants
Bacterial Degradation of Free Cyanide in Alkaline Medium Using Bacillus Licheniformis Strain
Behavior of Co, Ni and Precious Metals in Copper Converting Process: Experimental Study
Comminution and Separation of Photovoltaic Panel Materials for Recycling
Complete Recycling of Waste Diamond Cutting Tools by an Electrochemical Method
Determination of Limiting Current Density of a Solution with Copper, Zinc and EDTA from the Effluent of Brass Electrodeposition
Different Methods for the Characterization of Ash Compositions in Co-firing Boilers
Effect of Ferrosilicon on Reduction of Cr2O3 in Steelmaking Slags
Effect of the PH on the Recovery of Al3+, Co2+, Cr3+, Cu2+, Fe3+, Mg2+, Mn2+, Ni2+ and Zn2+ by Purolite S950
Engineering, Scientific, and Policy Inputs for Developing a Levelized Cost of Energy Storage Model
Evaluation of the Occurrence of Fouling and Scaling on the Membrane HDX 200 for the Treatment of the Effluent of Brass Electrodeposition with EDTA as Complexing Agent
High Temperature Crystallization Kinetics of MgSO4.H2O
Hydrothermal Process to Convert Hematite in Red-mud to Magnetite
Incorporation of Rubber Waste Powder from Scrap Tires into Heavy Clay Ceramics
Investigation into the Recovery of Valuable Metals from Waste Mobile Phone Printed Circuit Boards (PCBs) – a Feasibility Study
Kinetic Investigations on the Recovery of Residues from the Stainless Steel Industry
Manufacturing and Testing of a Poultry Feather Fiber Based Honeycomb Core Reinforced with Natural-fiber Yarn
Mechanism of Residual Iron Oxides in Preparation of Tailings Glass Ceramics
Mechanisms for Advancing Recovery of Resources from Small Sized End-of-life (EoL) Equipment
Method of Utilization of Waste Electronic Technique with the Assistance of Combined Electrochemical Reactions
Novel Technologies for Technospheric and Urban Mining of Rare Earth Elements from Phosphogypsum, Red Mud, Hybrid Car Batteries, and Wind Turbine Magnets
Preparation of Glass-ceramic from Titanium-bearing Blast Furnace Slag by “Petrurgic” Method
Production of Antimicrobial Bioplastics from Agricultural Wastes for Medical Packaging
Rapid Removal of Pb(II) from Acid Wastewater using Vanadium Titanium-bearing Magnetite Particles Coated by Humic Acidcoated by humic acid(VTM-HA) Magnetic Particles
Recovery of Copper from Industrial Waste Water by Electrowinning
Recovery of Copper from Nickel Laterite Leach Waste by Chemical Reduction Using Sodium Dithionite
Recovery of Gallium and Arsenic from Gallium Arsenide Semiconductor Scraps
Recovery of Nickel and Cobalt from a Waste Zone of Nickel Laterite Ore Using a Mixture of Extractants in Solvent Extraction Technique
Recovery of REE from the Ferrous Fraction of Processed WEEE
Recovery of Valuable Metals from Flue Dust of Electronic Waste
Recycling of EAF Dust through Source Separation
Reuse Opportunity of Ferrous Grinding Swarf after Oil Removal
Rural Water Pollution and its Strategies in China
Study on the Passivation Effect of Cr6+ in the Waste Water of the Blood Meal
Study on the Technology of Synthesizing MgAl2O4 Spinel Refractory Material from Waste Chromium Slag of a Certain Chrome Plant in China
Tannic Acid as a Flame Retardant - Deriving Value from Leather Tanning Waste
Thermal Separation and Leaching of Valuable Elements from Waste-derived Ashes
Towards Commercialization of Indium Recovery from Waste Liquid Crystal Display Screens
Upgrading the Copper Value in a Waste Copper Smelter Dust Using the Falcon Concentrator
Utilization CFA-derived Tobermorite Fiber as Crystallization Revulsive in Autoclaved Concrete Block Production
White Ordinary Portland Cement Paste with Iron Oxide Powders Containing Arsenic Contents
"Urban Mining for a Circular Economy: Activities at SINTEF"

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