red mud

red mud

[′red ′məd]
(geology)
A reddish terrigenous mud composed of up to 25% calcium carbonate and deriving its color from the presence of ferric oxide; found on the sea floor near deserts and near the mouths of large rivers.
(metallurgy)
An iron oxide-rich residue obtained in purifying bauxite in the Bayer process.
References in periodicals archive ?
Ecomat, which holds patents on compounding with a variety of odd mineral fillers - including foundry sand, blast-furnace slag from steel making, and red mud from aluminum manufacture - plans to build eight compounding plants around the country.
Once a powerful tidal river able to carry large ships, the Petitcodiac River in southern New Brunswick is now a narrow channel meandering through kilometres of sticky, red mud.
Clearcutting has left arteries of red mud streaming down to the sea in Madagascar, Okinawa and the Philippines.
Another wall piece, Red Mud Circle, 1994, a circle within a circle, is hardly as striking as Mount Whitney Stone Circle.
In addition, the environmental aspects of this industry are being monitored and with the planned 1991 opening of new reserves and red mud disposal facilities, the government has instituted a programme for the rigid maintenance of acceptable environmental standards within the industry.
The company has established an online platform 'Eureka' to nurture and incubate the in-house innovation and technology development with special emphasis on waste products such as fly ash, red mud and slag materials utilization for road building, construction materials, and other applications.
5, 2015, and sent thick red mud rolling down the hilly area killing 19 people.
Concerned citizens of Zambales claimed that the thick red mud attributed to nickel mining continue to flow through the streets and into their homes four days after Lando whipped the region.
Boudreault likes to say that the Bayer is "really a process to produce red mud and, as a byproduct, alumina.
With more than 70 million mt of red mud residue generated annually from bauxite processing, the environmental cost of producing alumina with the Bayer process is significant.
Mazumder, an emeritus scientist at the Institute of Minerals and Materials Technology, Orissa, India, and Mishra who is currently its director, synthesize research efforts over the past three decades to develop a process for the safe disposal of red mud and the even more toxic pot liners that are the most prominent hazardous contaminants from aluminum smelters.
Just look at what's going on in the world at the moment," said Clarkin - "toxic red mud polluting a whole village in Hungary, the oil spill in the Gang Gulf of Mexico, terrible