cement kiln


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cement kiln

[si′ment ‚kil]
(engineering)
A kiln used to fire cement to less than complete melting.
References in periodicals archive ?
In 2009, the company replaced two of its cement kilns, which are large oven-like units used to heat a raw mixture of materials to produce clinker during the cement manufacturing process.
Cement kiln dust (CKD) naturally absorbs mercury and is collected in the kiln baghouse.
On top of that, you have to contend with regulatory issues (according to Lenahan, some agencies want to reopen a kiln's air permit when it introduces new materials) and the forethought of cement kiln designers.
While much of the world is studying the possibility of getting any economic value out of auto shredder residue--for example, as fuel for cement kilns or power plants--Europe's second largest scrap-metal reclaimer cranks out polyolefin and polystyrene pellets made from shredder residue at 20,000 to 100,000 lb/hr, or about 40 million lb/yr.
While some companies are attempting to purify collected motor oil and re-blend it for sale as a recycled lubricant the great bulk of used motor oil is recycled into a low-cost, low-grade fuel for cement kilns and utility boilers, or it is used as an ingredient in asphalt pavement.
government to reduce the amount of carpet going into landfills, received a boost this month when Congress appropriated a $300,000 grant for the study of carpet as an alternative fuel source for cement kilns.
Together with heavy metals, they said, these contaminants find their way into both the cement produced and into cement kiln dusts emitted into the air.
The Cement Kiln Recycling Coalition (CKRC) is one such organization.
Woods says that EPA engineers "absolutely insist" that regulations governing cement kiln burns of hazardous waste are "just as tough or even tougher" than for commercial hazardous waste incinerators.
The first SIFCA Nose Ring was installed in a cement kiln in the late 1980s.
Typically, inorganic processing additions (IPAs) include limestone, fly ash, bottom ash, slag, cement kiln feed, cement kiln dust, and calcined byproducts.
A DRAMATIC fire in a controversial pounds 64m cement kiln yesterday sent black smoke billowing into the air and brought production to a halt.