ABACO-LOI Monitoring Technology for Advanced LOI Measurement

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Shawn Fitzgerald
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1 ABACO-LOI Monitoring Technology for Advanced LOI Measurement

2 EXECUTIVE SUMMARY ABACO-LOI: on-line monitoring system for continuous measurement of unburnt matter (LOI) in fly-ash and coal properties (ash, volatile matter) Based on reference techniques (thermogravimetric analysis) similar to those used for laboratory analysis Unique advantages of ABACO-LOI (relative to microwave and other types of monitors): - Assured and proven reliability (only monitor based on laboratory reference techniques) - Maximum accuracy - No drift, no calibration required - Unaffected by changes in coal/fly-ash properties - Unaffected by interferences - Cost-effective by multiplexing samplers - No flow obstructions

3 GENERAL OVERVIEW Technology for on-line carbon-in-ash measurement based on Loss On Ignition (LOI) determination. Designed as modular equipment in order to assure easy assembly in small spaces and effortless performance of maintenance tasks: - Sampling module Capable of collecting representative samples from the process and conveying them to the analysis module Extraction points are located in accordance with unit characteristics and requirements (hoppers, transport pipes) - Analysis module Aliquot is weighed on sensitive scale before and after calcination in a kiln at temperatures over 1,380 ºF Sequential samples can be received from different sampling points (multiplexing) - Control module Communication with Control Room Alarm and self-diagnosis management Sampling module Analysis module Control module

4 APPLICATIONS Reliable automated LOI measurement with maximum accuracy Fuel savings through an accurate measurement of combustion efficiency Control of combustion tuning and burner operation in low NO x scenarios Control of activated carbon injection for mercury abatement Savings on technician and laboratory costs % CARBON-IN-ASH (ABACO-Loi) % CARBON-IN-ASH (LAB) Ensure fly-ash saleability Ensure LOI consistency for fly-ash dealers Authorized Laboratory vs ABACO-Loi Calculation of CO 2 emissions On-line characterization of coal (ash and volatile matter contents)

5 COMPETITIVE ADVANTAGES Reliable, even for the highest monitoring demands (over 8,000 measurements per month) Based on reference techniques (ASTM C311 Standard), avoiding recalibrations required by other systems (microwaves, infrared, etc.) Maximum accuracy within the entire range of measurement Unaffected by variations in physical-chemical properties of particles or interferences (carbonates, hydroxides, ammonia compounds, etc.) Response time: typically 5-7 minutes No obstructions during the transport of fly-ash Cost-effective approach by multiplexing different samplers with a single analyzer

6 COMPETITIVE ADVANTAGES Robust, simple and service-free monitor Modular design resulting in versatility to fulfill client needs Optimized control software Selected LOI monitor by SEPARATION TECHNOLOGIES, LLC for their fly-ash valorization plants after extensive evaluations of all UBC technologies

7 TECHNICAL DATA DESCRIPTION Resolution Precision Accuracy Electrical consumption Instrument air consumption (whole system) Output Maintenance VALUE 0.01% (absolute) < ± 0.1% (absolute) < ±0.15% (absolute) Typical average consumption: I nom : 11 A, 230 Vac., 50/60 Hz, I peak : 21 A. Different voltage under request Average consumption: 15 Nm 3 /h (6 bar) Peak consumption: 80 Nm 3 /h (6 bar) PROFIBUS, MODBUS, ETHERNET LOI value, warnings and alarms Periodical substitution of compressed air filters, depending on the quality of the air

8 TYPICAL SCOPE OF SUPPLY STANDARD: - Engineering and supply of goods - Technical specifications for assembly - Operating and maintenance manuals - Packaging OPTIONAL: - Start-up and in-situ training course - Shipping (Inconterms 2010) EXCLUSIONS: - Module site installation - Installation of interconnecting pipes and cabling - Interface with units control system

9 TYPICAL SCOPE OF SUPPLY BATTERY LIMIT

10 ADDITIONAL INFORMATION DELIVERY TIME: ü Manufacturing time: typically 16 weeks PERFORMANCE GUARANTEES: ü INERCO can accept the most demanding quality and performance guarantees agreed to with the client

11 REFERENCES USA: 20 ABACO-Loi units in operation: - 1 unit at Baltimore s CBO Plant - Brandon Shores P.S. owned by SEPARATION TECHNOLOGIES, LLC Rest of the world: - 19 units - Main power producers: E.ON, CFE México, ENDESA, IBERDROLA, UNION FENOSA GAS NATURAL, KOSEP South Korea

12 Main Offices USA and Canada INERCO Energy Technologies, Inc. 25 Northpointe Parkway, Suite 100, Amherst, NY Latin America INERCO Carrera 47ª No , La Castellana, Bogotá, Colombia C/ Julio Verne , Urbanización Bartolomé Herrera, San Miguel, Lima, Perú Europe and other territories INERCO Parque Tecnológico de la Cartuja, Tomás Alba Edison, 2, Sevilla, Spain

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