Claims
- 1. An apparatus for treating waste water to remove volatile and corrosive substances including at least one of hydrogen sulfide and ammonia comprising:
- a stripper tower having a tower top and a tower bottom;
- a waste water feed Means connected with said stripper tower at a location intermediate said tower top and said tower bottom whereby a gas can release from waste water in said stripper tower to flow upwardly from a point of gas release;
- a liquid pooling means in said stripper tower above said location of said waste water feed;
- a liquid distributor means in said stripper tower positioned above said liquid pooling means and including a liquid spray means;
- a recycling means for connecting said liquid pooling means with said liquid distributor means such that liquid drawn from said liquid pooling means can outflow as a spray from said liquid spray means to cool said gas thereby condensing said volatile and corrosive substances and retaining said volatile and corrosive substances in said spray;
- a cooling means in circuit with said liquid recycling means to cool said liquid flowing from said liquid pooling means to said liquid distributor; and
- liquid withdrawing means connecting said liquid pooling means with said waste water feed means for removing a portion of liquid from said liquid pooling means and combining with said waste water.
- 2. The apparatus of claim 1, further comprising:
- a reboiler attached to said stripper tower;
- said reboiler drawing a bottom waste water from said tower bottom, reheating said bottom waste water, and returning said bottom waste water to said stripper tower.
- 3. The apparatus of claim 1, wherein said cooling means comprises a heat exchanger made of titanium.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-152358 |
Jun 1993 |
JPX |
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Parent Case Info
This application is a continuation application of application Ser. No. 08/120,568, filed Sep. 14, 1993, entitled "APPARATUS FOR TREATING WASTE WATER", now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
1178084 |
May 1959 |
FRX |
57-177301 |
Nov 1982 |
JPX |
208503 |
May 1923 |
GBX |
1202936 |
Aug 1970 |
GBX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
120568 |
Sep 1993 |
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