Red mud product development

Book · Tue Oct 01 00:00:00 EDT 1996

OSTI ID:371935

Kirkpatrick, D B ^[1]

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1. Kaiser Aluminum and Chemical Co., Gramercy, LA (United States)

Kaiser Alumina and Chemical Co. impounds red mud, the byproduct of alumina production, behind levees. Kaiser recognizes that this action cannot be maintained indefinitely. Therefore, a project is in progress to produce useful products from red mud that increase the profitability of the Gramercy facility. Before products could be developed, an obstacle had to be overcome. The annual rainfall in South Louisiana prevents evaporative drying of the mud lakes. Innovative methods were applied to dry the lake mud. Two products have been developed. A daily landfill cover and an absorbant, which are marketed under the Cajunite{trademark} banner. Both products are currently being tested by potential customers at their sites. Environmental concerns were addressed during development. Extensive TCLP results show no metal leachate problems. All pilot tests and plant trials received LADEQ approval. Products that are under development include levee core, road base, fertilizer fillers and synthetic soils. State and Federal agencies are interested in using red mud to remediate coastal erosion. Kaiser is also pursuing the recovery of metals from red mud.

• OSTI ID: 371935
• Report Number(s): CONF-960202-; ISBN 0-87339-312-0; TRN: IM9641%%12
• Resource Relation: Conference: Annual meeting and exhibition of the Minerals, Metals and Materials Society (TMS), Anaheim, CA (United States), 4-8 Feb 1996; Other Information: PBD: 1996; Related Information: Is Part Of Light metals 1996; Hale, W. [ed.] [Anglesey Aluminum Metal Ltd., North Wales (United Kingdom)]; PB: 1304 p.
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ALUMINIUM OXIDES
MANUFACTURING
MINERAL WASTES
WASTE PRODUCT UTILIZATION
COVERINGS
ADSORBENTS
SOLIDS
BENCH-SCALE EXPERIMENTS
PILOT PLANTS
WATER REMOVAL
SANITARY LANDFILLS
ABSORPTION
CHEMICAL PROPERTIES
SOLIDIFICATION
EXPERIMENTAL DATA
CHEMICAL COMPOSITION
MATERIALS RECOVERY