HYDRAULIC CEMENT PREPARATION FROM LURGI SPENT SHALE
Conference
·
OSTI ID:1072214
Low cost material is needed for grouting abandoned retorts. Experimental work has shown that a hydraulic cement can be produced from Lurgi spent shale by mixing it in a 1:1 weight ratio with limestone and heating one hour at 1000°C. With 5% added gypsum, strengths up to 25.8 MPa are obtained. This cement could make an economical addition up to about 10% to spent shale grout mixes, or be used in ordinary cement applications.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- Environmental Energy Technologies Division
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 1072214
- Report Number(s):
- LBL-11071
- Resource Relation:
- Conference: 13th Oil Shale Symposium, Golden, CO, April 16-18, 1980
- Country of Publication:
- United States
- Language:
- English
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