Cement kiln dust is included as one of the six special wastes.

The factory was rebuilt several times with new and more modern cement kilns.

The cement kiln system is designed to accomplish these processes .

Its 200 foot cement kiln is now the major landmark on the skyline, visible from many miles away.

Other research followed, with the first industrial application, a cement kiln built in Denmark, coming on line in 1975.

Everyone has been busy visiting cement kilns.

The new Commission proposal lays down sound rules for the co-incineration of municipal waste in cement kilns.

The resulting biofuel will be used mostly in industry, especially in cement kilns and electricity power plants.

But the 2,000-degree cement kiln "precludes the generation of products of incomplete combustion."

What you are left with - plastic bags and other non-recyclable waste - is either sent to landfill or burnt in cement kilns.

For example many cement kilns burn HWs like used oils or solvents.

There are several environmental or waste management corporations that transport ultimately to an incinerator or cement kiln treatment center.

The company had acquired, at considerable cost, patents related to the use of rotary kilns (see cement kiln).

The company planned to blend the napalm with other wastes and ship the resulting substance to cement kilns to be used as fuel.

See also cement kiln emissions.

Instead of concentrating on the steel furnaces, he saw cement kilns and chemical vats all over the place that needed linings.

The committee takes the view that electricity generating plants and cement kilns should be able to co-incinerate waste, provided they meet the relevant emission standards.

Company also believes in producing power from waste heat recovery methods (from Cement Kiln and preheat).

When a cement kiln is fired by coal, the ash of the coal acts as a secondary raw material.

Cement kilns are extremely large, complex, and inherently dirty industrial installations, and have many undesirable emissions.

However, the cement kiln patents proved valueless, since rotary kilns were already in place or being installed by their competitors.

Giant Group is one of a few cement concerns that burn toxic wastes as a supplement to conventional fuels in its cement kilns.

Burning tires in cement kilns is "certainly much better than burying them or having them catch fire in a cavern."

As I have already mentioned, the Commission accepts the proposed limit of 500 milligrams for nitric oxides in new cement kilns.

In theory, cement kilns are an attractive way of disposing of hazardous materials, because of: