The Houston daily post. [volume] (Houston, Tex.) 1886-1903, 1898-01-12
THE DISPOSAL OF SEWAGE.
A Discussioa Of Nhst Is known as
the Septic system
OR METEOROLOGICAL TREATMENT
A. Compared with the Precipitation
Tanks in the Treatment Of
Sewage.


The presentation az +. uIau for ssrss
(. as.-,S.i ,,..,-n.,..s 80 - !
!
: hn8snesr Sos- Sso'is naFiaS PROVOKED SOL
2 discussion az 10 the merit o. differei
!. Il. - o.. .,...s a.. 80,
i''l e vst nsstu mi siotA ses 'ls IS
!. koz1s e1p1aoatiCD Of what Is known Z
; The septic tshk system.
: .sTnsx san.ic ,.rk ,....,na-, =, .,.:.,-
: 49,. -. ~. $50. -, ~, = : :
: -as i1s.asu 'ai- ssoi's = N uss ~ .
Leonards. adjoining the city OF Exetel
. England, and is shortly TO be uses IA
traa,,n- ~. .,n., 4, &. .....
4= '-'' e's ", i1 -A Y
eHa s'so @aSNol. <5i
ne principle Of the treatment is whz
is known rs ac,srg<,ov,,si ,-s.,,,s-,
,yf,ers ~. ,,.,.s.f..,,. i,
:. - - .Uiio y l'aAnle ase ASSIST
Gu Spa 10 no respect retarded or violated.
Ire tanks are designed ia promote til
sloNth q TIE hqnefy!ng micro orga MIA
sions ifsseni IN the sewage. and b. who's
ats4oh Inc ORGANIC Eoiics are broken int
s1a,fter substances. which can be deal
-.A1 ey hslIatsol-
me resulting eftiueat Is thus rendered
l,.o AensiEe and practically tTes from solid:
10 snsPension.
The expense of erecting such a s,sterr
~ E1eier, England, as stated b. Engineer
cameron OF that city, which has a poauia-
unn OF 5y,rpv, is costing the city Sz2Q Vcl
ahn cot Ss9.o9V as has been stated The
expense IL divided Up in the following
LENS. stl' ihiercefiis5g sewers including
l.-sAlns la-,ss IN connection with present
sesess sIi,2lp; ouifan Borks. SIS 9tg: ir-
Flgatlon works. $1,000 land, $3g 500. and
1 euntihgencies- Sze,eS5.
4 4ns sewage is brought into a tank
/ rom which hight and air are excluded as
/ Jar as possible, and the dimensions OF the
'anss are such as 10 contain rather more
inan i~enty-four hours dry weather flow.
IN TIE tank the sewage is kept quiescent
| peins received and discharged By means
/ OF syphon- The amount OF water and
sewage in the tank is sufficient 10 insure
almost absolute stiffness, the rate OF flow
oeing too small TO produce any current
The works comprise three grit cham
oers. each fifteen feet square. and fifteen
/ feet deep, TO receive road detrit,s and
other heavy material. The sewage can no
Passed through one or all of these There
are aiso Elk septic tanks. each thlrty.fiv.
leet by lSi feet by feet deep. the total
capacity being 1884 22 cubic feet,
ne tanks are covered with concrete
arches carried by brick piers and Ieyelled
over with soil with nanholes at intervals
Tor access 10 the interior. Ia these tanks
the change tases risoa "a, .o,-s -. 80.
are brought into solution, and vast
amount Of publication is brought sbou,
The flow through the tanks is con,in,,n,,.
both inlet and outlet are submerged ana
arranged so as 70 tnin4mise the disturbance
Of the contents by the incoming and out
going streams. All six tanks can be used
az one time or independently. or the wbole
f.ow can be passed through any one OF
them. When all six tanks are In use and
the outfali sewer is running full hnr.
the contents OF the tanks are changed
every seven and one-half hours at,s-
fifteen months working al St. I,eonaris
there was only a deposit If "a & incheg ana
OF this 81 per cent OF the denosi, was We,
and the solid deposits amounted 10 about
50 cubic Yards In ordinary rrs,t,,, -.
there would be about SEQ cubic wards
The population whose sewage passea
into the st. Leonards' tank in which 1ha
deposit was o3.i inches. numbered a.
nearly as possible 1900. and the dry weath-
er flow was $500 gallons day. From ,be~a
figures We can readily estimate what Tho
deposit would be in the sewage from Inc
city OF Houston. The sewage Is ,ben
passed over filters constructed n, colo
breeze The filters are arrayed in na.rz
so that iank which Is six hours filing
remains fun about six hours and is then
discharged and remains at rest about sir |
hours before IL Ia again brought intn 80
uon.
By this means. proper aeration o, the
filter is absolutely assured before il il
brought into use again
There are eight OF thesa .i,,ers h,,,n.
a total area of two and one half acres ana
are four feet deep. and capable OF dealins |
With 2,5e0,ooo gallons per day.
The effluent from these f,l,srs 4,
beautifully clear. and no cdors are present
and IL this system was odnptod X, ~, |
city OF Houston, Buffalo BAYOU wo,,Id he |
relieved entirely Of this rreat denosi,
which is increasing every dsy Az pos an
orly enter the tanks through the main |
sewers and air can only get out through a
The air that forms in the TANKS is no. ~.
fcnsiye when II escapes.
THE siudge which accumuia,es In the
tanks averages about one inch per month
and samples which have been taken Of
this sludge is found to be an Inoffensive
black powder. which is the burned o,lt asn
q organic solids. The advantages Of this
was dlscusses; q fssr Ss,,s