Treating dirty water
申请公布号:NL7106783(A)
申请号:NL19710006783
申请日期:1971.05.18
申请公布日期:1971.11.23
分类号:C02F3/12;C02F3/16;(IPC1-7):02C1/08
主分类号:C02F3/12
摘要:<p>In an apparatus for the treatment of dirty water by bacterial action, a cylindrical vat lies on a base section in the form of an inverted truncated cone. An interior wall divides off a peripheral zone from which the treated effluent is removed. A central chimney is provided for oxygenation. The peripheral zone is connected to the interior of the dividing wall at the base of the vat by means of conduits of small section.</p>
SOCKELANORDNUNG FUER AN- UND EINBAUMOEBEL
SYSTEM FOR EXTRACTING SUBSURFACE WAVE ENERGY
Schalldaempfer fuer Abluft aus Industrieanlagen
Auf eine Welle aufsteckbare Kunststoffnabe
BEFESTIGUNGSVORRICHTUNG FUER SCHILDER AN EINEM TRAEGER, INSBESONDERE FUER KRAFTFAHRZEUG-KENNZEICHEN
PINOLENVORSCHUBREGELEINRICHTUNG ZUR FUNKENEROSION
TRAEGERVERBAND, INSBESONDERE FUER DEN BAUBETRIEB
CONTOURING GUIDER FOR WELDING TORCH OF PIPE INNER SURFACE
SEALING METHOD FOR SEMICONDUCTOR ELEMENT