Cement, Energy and Environment

( fact that sources originated from municipal solid wastes which may contain damaged light bulbs have to be exempted from the list of suitable wastes for co-processing. • Thallium(l)sulphate as rat poison Thallium and thallium bearing compounds are highly poisonous. • Figure 3: Sample buckets for fully automatic sampling at RDF unloading station (Photo: MVW Lechtenberg) Nickel, Ni • In steel refining • Stainless steel::::_2.5% nickel • In domestic waste in metal fractions (Ni-Cd batteries) • In fashion jewellery and coins Vanadium, V • Improvement of steel wear resistance • Vanadium pentoxide as catalyst in sulphuricacid production In the biosphere vanadium occurs as a constituent of various enzymes in bacteria (e.g . nitrogenase). Zinc, Zn • Galvanising of steel for corrosion protection • Brass products • Semi-fabricates in the form of o Steel plate (pre-weathered titanium zinc for the areas of roofing, facades and roof drainage) o Wires (thermal spray wires) o Strips (blow-out fuses) o Anode (dry batteries) • Fine nickel parts serve as a technical hydrating • Alloys in cast zinc accelerator, e.g. in the hardening of fat. • Additives in various industrial areas (zinc Nickel is a trigger for skin allergies. In the biosphere nickel plays a role as an essential trace element in various enzymes of bacteria and plants (e.g. urease). oxide, zinc powder and zinc dust) • As stabiliser for plastics • Zinc sulphates in the textile and synthetic fibre industry Thallium, Tl • In the production of special glasses (infra-red • Paints and lacquers: Active pigment to control certain lacquer characteristics such as through-drying , fungal resistance and weather resistance transmissive glasses, low melting-point glasses) • In semi-conductor technology (e.g. thallium • Zinc oxide: Production of glues based on sulphide In photo cells) natural and synthetic rubber Table 3 Example of a template for a declaration analysis (part 1): Composition of waste-derived alternative fuels (Source: MVW) Declaration analysis for RDF- waste composition Composition [%] EWC-Number EWC-designation 1 >· 2 >· 3 > Exemplary explanation 02 01 04 03 03 07 03 03 08 04 02 09 Waste plastics (except packaging) Mechanically separated rejects from pulping of waste paper and cardboard Wastes from sorting of paper and cardboard destined for recycling Wastes from composite materials (impregnated textile, elastomer, plastomer) PUR-foam, PE compounds Inappropriate paper qualities, other high caloric ingredients Textile, Carpets, Fleeces and insulation materials from the car interior, hygiene products (both raw material from scrap) Table Contd.. 19