C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/12 (2006.01) C02F 1/00 (2006.01) C02F 3/06 (2006.01)
Patent
CA 2050885
Abstract The invention concerns a process for the biological treatment of waste water using microorganisms, in which the microor- ganisms breed and develop in a contact path (I) and in which optimum living conditions are maintained for the microorganisms by the addition Or waste water to be treated and appropriate quantities Or air (2). A portion Or the microorganisms leaving the contact path (I), which will have developed well in the soiled water, are fed back (6) into the contact path in order always to have exactly those microorganisms available that are particularly suitable for the waste water to be purified and at the same time suffi- cient quantities of these healthy microorganisms. In addition, a small sample of waste water is taken, well away from the contact path (1), as an indicator, and introduced (17) into the microorganism development area as a kind of early-warning enabling time- ly preparations to be made for the development of the microorganisms. This process, together with a device suitable for carrying it out, enables the degree of purification to be kept constant, the uniformity of the food supply and the wide and optimally bal- anced variety of microorganisms, as well as the balanced oxygen supply or efficiency of aeration, making it possible to adapt several variables, either individually or together, to changing conditions.
Fetherstonhaugh & Co.
J. Stog Tec Gmbh
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