Treatment system for sludge from the wet dedusting of cupola flue-gas

Economic data concerning the extension of the system with the sludge treatment are given in Table 4.57. 

Generated sludge with a dry matter content of 30% 2000 t/yr Generated sludge with a dry matter content of 70% 850 t/yr 

Dry dust for sludge solidication 1looter Dry dust for sludge solidication Ot/yr 

Run-off from all open areas, but particularly from raw materials stocking areas, contain suspended solids, which can be removed by settlement or other techniques. Oil interceptors are used in draining scrap handling areas. Drainage sumps are designed with a sufficient size to handle storm-water and to accommodate any storm surge, in order to prevent carry-over of unsettled material. 

Oil interceptors are used on waste water from permanent mould casting foundries. The hydraulic systems of die casting automates can potentially leak oil. The water collection system is thus designed in such a way that any oil from leakage is collected and the resulting waste water flow is treated using an oil interceptor. 

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Figure 4.20 Treatment system for sludge from the wet dedusting of cupola flue-gas [195, UBA, 2003]...

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