Übersetzung für "Materialkreislauf" in Englisch

The remaining residues were lost to the material cycle, and were landfilled or thermally utilized.

In this way, we make sure that products can be reintegrated in the material cycle.

We have established a material cycle for ballast, concrete ties and rails.

The punching scrap is ground and fed to the extrusion system in a closed material cycle.

A large portion of the materials used can be re-used in an extensive material cycle.

RecyPET’s goal is to close the material cycle for PET beverage bottles.

The cleaned aggregates from the residual concrete washing plant are recirculated into the material cycle of the additives.

These finished products are returned to the industrial material cycle.

Continuous material cycles – maximising the number of materials that meet Cradle to Cradle criteria.

By returning production residues to the material cycle, we’re able to virtually eliminate waste in our production process.

Aurubis is in a position to reintroduce a large variety of metallic scrap to the material cycle.

Sourcing: Our sourcing ensures a material flow with optimized costs, timing and quality.

This ensures a closed material flow.

We see in our material flows that car steels don't become car steel again because of the contaminants of the coatings -- bismuth, antimony, copper and so on.

Measures to prevent waste generation and to re-incorporate waste in the economic cycle (“closing the materials loop”), i.e. waste recovery, are therefore an important element of a comprehensive approach to resource management.

The nuclear industry is, at present, the only industry which covers the complete cycle through to final disposal of waste material.

Thus, irrespective of the particular consumption level, the control process according to the invention provides for a uniform, internal circulation of material between the mill and the separator for a substantially constant material level of the storage silo for the ground material, which has a favorable effect so far as keeping the fineness of the end product constant is concerned.

The recycling of used plastics into the economic circulation and the circulation of materials increases in significance because petroleum as the primary raw material and energy are to be saved and the amount of waste is to be decreased.

Of the large quantities of plastics of many different types produced each year, much, after being used in each case for the intended purpose, is finally dumped on landfill sites, thermally disposed of in refuse incinerators and therefore removed from the material cycle.

Thus, irrespective of the particular consumption level, the control process according to the invention provides for a uniform, internal circulation of material between the mill and the separator for a substantially constant material level of the storage silo for the ground material, which has a favorable effect so far as keeping the fineness of the end product constant is concerned.

The present invention relates to a process for removing foreign components, especially zinc, from the product cycle in the production of yellow phosphorus inside an electrothermal furnace, which provides: for molten ferrophosphorus and slag consisting essentially of calcium metasilicate and also for a dust-containing gas mixture consisting essentially of carbon monoxide and phosphorus in vapor form to be taken from the furnace charged with phosphate pellets, coke and gravel; for the dust to be electrostatically separated from the gas mixture and for it to be water-treated and made into a dust suspension; for crude phosphate to be granulated on a granulating means using a mixture of the dust suspension and a clay suspension, and for the granulated matter to be calcined and pelletized on a sintering means.

It is therefore an object of this invention to provide a process for removing foreign components, especially zinc, from the product cycle during the manufacture of yellow phosphorus in an electrothermal furnace, with formation of a deposable product containing the foreign components in the form of insoluble matter.

The process of this invention will now be described with reference to the accompanying drawing in which the block schemes above the horizontal broken line represent the product cycle in prior art production of yellow phosphorus, and of which the block schemes below that line represent the removal of foreign components, in accordance with this invention. More particularly,

On recylcing the dust electrostatically separated from the gas mixture into the product cycle of the electrothermal furnace, various foreign components, such as zinc, cadmium and further heavy metals, but also commercially interesting metals, such as gallium and germanium, commence concentrating therein, the foreign components being partially present in phosphide form, e.g.

In this connection, it should be borne in mind that the concentration of zinc in the product cycle of a phosphorus furnace depends primarily on the zinc present in the feed materials, especially in crude phosphate, about 4% of the zinc passed through the phosphorus furnace being taken therefrom together with the slag and ferrophosphorus.