Co-firing RDF and natural gas in a cement kiln. Progress report, September 1, 1976--December 31, 1976

Technical Report · Fri Dec 31 04:00:00 EST 1976

OSTI ID:10180243

Jones, J R

Eight samples of refuse derived fuel (RDF) ash have been generated from Houston solid waste. The Portland Cement Association (PCA) has completed chemical analysis of seven ash samples and the raw materials (clay, iron ore, and limestone) from the test cement plant. The analyses have been used by PCA personnel in calculation of mix designs for both an electric furnace burn and a pilot kiln burn. Both were based on a 40% substitution of RDF for natural gas on a BTU basis. Analysis of the clinker produced during the laboratory burns indicates slight differences from production clinker. The strength of the test clinker is comparable to the production clinker but some differences in the chemical composition indicates further testing may be warranted. Overall results are very positive though that the clinker may be able to accommodate RDF ash when the fuel substitution on a BTU basis is as high as 40%. The improvements to the Houston recovery plant are virtually complete with the only exception being the test air separation system (Rotary Drum Air Classifier System RODACS). The fuel receiving/feed system at the test plant is installed and operative. An initial run to gain experience in feed rate control is currently scheduled in early February. The initial extended trial burn will very likely be scheduled for early March due to the start-up difficulties with the RODACS plus a downtime period of 10--15 days scheduled to begin at the test plant in mid-February.

• Research Organization: Environmental Equipment Corp., Houston, TX (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-76CS40083
• OSTI ID: 10180243
• Report Number(s): DOE/CS/40083--T3; ORO--5150-2; ON: DE92041002
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
034000
09 BIOMASS FUELS
092000
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305
ASHES
CEMENT INDUSTRY
CEMENTS
CHEMICAL ANALYSIS
CLAYS
COCOMBUSTION
COMBUSTION
EXPERIMENTAL DATA
FUEL SUBSTITUTION
INDUSTRIAL WASTE MANAGEMENT
IRON ORES
LIMESTONE
NATURAL GAS
PROGRESS REPORT
RAW MATERIALS
REFUSE DERIVED FUELS
WASTE PRODUCT UTILIZATION