Resirkulering av vann og kjemikalier

Resirkulering av vann og kjemikalier

PCT No. PCT/SE95/00477 Sec. 371 Date Oct. 15, 1996 Sec. 102(e) Date Oct. 15, 1996 PCT Filed Apr. 28, 1995 PCT Pub. No. WO95/29877 PCT Pub. Date Nov. 9, 1995Process and equipment for partial but substantial closing of the water and chemical cycle at, inter alia, automatic automobile washing machines....

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ERIKSSON, TORD GEORG
Format: Patent
Sprache:nor
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:PCT No. PCT/SE95/00477 Sec. 371 Date Oct. 15, 1996 Sec. 102(e) Date Oct. 15, 1996 PCT Filed Apr. 28, 1995 PCT Pub. No. WO95/29877 PCT Pub. Date Nov. 9, 1995Process and equipment for partial but substantial closing of the water and chemical cycle at, inter alia, automatic automobile washing machines. The wash water, which, when used, becomes loaded with oil and heavy metals and contains tensides, completing agents and possibly solvents, is treated by adding breaking and precipitating chemicals, sedimentation and filtration. The main part of the water and chemicals can be reused. Fresh water is needed for the final rinsing only.