Method of Sterilizing Liquids, particularly Sewage, and Apparatus appertaining thereto.
Year: 1891

page_text: Date of Application, 14th Aug., 1891-Accepted, 19th Sept., 1891
CONTE LETE
Method of Sterilizing Liquids, particularly Sewage, and Apparatus
appertaining thereto.
I, AUGUST MYLIUS, Dr. Med. of Berlin in the German Empire, Königgrätzer-
strasse 101, do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :-
The object of the present invention is to render uninjurious those large quantities
of living micro-organisms still contained in liquids which have already been subjected
to the ordinary purifying processes.
In order to make my invention more clear I refer to the accompanying drawings
in which similar letters denote similar parts throughout the several views:
Fig. 1 is a longitudinal section through the apparatus ;
Fig. 2 is an end elevation of the same;
Fig. 3 is a cross section on line x-x Fig. 1 and
Fig. 4 is a plan of the apparatus.
In order to destroy the micro-organisms present in the sewage or waste water,
the latter is driven by a pressure pump through pipe finto the receptacle B,
where it rises and enters by means of pipe the vessel A. which is adapted to be
heated after the manner of a steam boiler. The waste water leaves the boiler or
heating vessel A at a high temperature, passing, by means of pipe d into the
ribbed pipe system e whence it flows into an adjoining conduit at c. The waste
water coming from the boiler and entering the ribbed pipe system e at a very high
temperature, meets the waste water entering the receptacle B at f imparting its
heat to the same and thus forcheating it and effects an advantageous consumption
of fuel. At the same time all micro-organisms are destroyed through the high
temperature to which the waste water is brought.
By encasing the receptacle B and boiler A in a jacket of non-conducting material
the loss of heat is reduced to a minimum. The waste water flowing off through
the ribbed pipe system e, owing to the large superficial area of the same transfers
its heat to the fresh waste water entering the receptacle B and about to be heated
so that only a proportionately small quantity of fresh fuel will be consumed. By
thus employing the principle of currents flowing in the opposite direction, the
employment of heat for destroying micro-organisms when large quantities of waste
water or sewage have to be treated is rendered practicable, which was not the case
up to now.
Having now particularly described and ascertained the nature of my said inven-
tion and the manner in which the same is to be performed, I declare that what I
claim is :
1. The process of sterilizing liquids, particularly waste water or sewage, by
causing the same after having been previously heated to a high temperature, to be
led back through a tubular system with large heat radiating surface arranged in a
closed receptacle B and thus to meet the fresh quantities of waste water which are
led into said closed receptacle, substantially as described.
2. The combination of the closed receptacle B, having waste water inlet f and
heat radiating system of pipes e, said receptacle B having outlet g to the boiler A
and inlet d from the boiler to the pipe system, as also outlet c for the pipe system e
substantially as described.

page_text: 3. The process and apparatus for sterilizing waste water or sewage, substantially
as hereinbefore described and illustrated in the accompanying drawings.
Dated this 14th day of August 1891.
W. P. THOMPSON & BOULT,
Agents for the Applicant.