Process For Treating Petroleum-Oils Page: 3 of 4
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UNITED STATESPATENT OFFICE
JAMES PHILIP WINTZ, OF SOURLAKE, TEXAS.
PROCESS FOR TREATING PETROLEUM-OILS.No. 807,983.
To alU whom it may concern:
Be it known that I, JAMES PHILIP WINTZ,
a citizen of the United States, residing at
Sourlake, in the county of Hardin and State
5 of Texas, have invented a new and useful
Process for Obtaining Asphaltum from Petro-
leum-Oils, of which the following is a specifi-
cation.
This invention is an improved process for
10 treating petroleum-oils, the object of the in-
vention being to separate the asphaltum
from the oil in order to produce a mercantile
commodity.
With these objects in view the invention
15 consists, mainly, in the separation of asphal-
tum from the oil by use of light hydrocarbon
and an acid.
The invention consists also in cleaning and
purifying the asphaltum by washing it in an
20 alkaline solution.
The invention consists also in certain de-
tails hereinafter fully described, and pointed
out in the claim.
In the drawings forming a part of this
25 specification, Figure 1 is a side elevation of
an apparatus adapted to carry out my proc-
ess. Fig. 2 is a vertical section through a
tank into which the crude petroleum-oil is
first placed. Fig. 3 is a vertical section
30 through a tank into which the oil passes from
the tank shown in Fig. 2. Fig. 4 is a vertical
section through the tank into which the as-
phaltum passes from the bottom of the tank
shown in Fig. 2. Fig. 5 is a sectional view of
35 a filter through which the oil is passed after
leaving the tank shown in Fig. 3. Fig. 6 is a
perspective view of an evaporator.
This apparatus has been found satisfac-
tory in carrying out my process, and the ap-
40 paratus will be described in order that the
various steps of the process may be fully un-
derstood.
The tank A may be of any size and shape,
and into this tank is introduced a crude pe-
45 troleum-oil containing about eighteen per
cent. of asphaltum. In this tank the first
treatment takes place and consists in mix-
ing with the crude petroleum one and one-
fourth gallons of sulfuric acid and four and
50 one-half gallons of gasolene to each barrel of
the crude petroleum-oil and subjecting the
entire mass to an agitation, preferably by
means of an air-blast, the air being forced
into the lower portion of the tank A through
55 a suitable pipe A'. - As shown in Fig. 2, the
pipe A' extends transversely across the lowerPatented Dec. 19, 1905.
portion of the tank and is perforated within
the tank, thereby forcing a plurality of air-
jets into the mixture. After agitation the
mass is permitted to settle for ten hours, dur- 6o
ing which time the asphaltum settles to the
bottom of the tank A. A water-supply pipe
A2 opens into the upper portion of the tank
A, and after the settling of the asphaltum, as
above mentioned, a further separation is pro- 65
duced b'y admitting water through the said
pipe A2, the amount of water admitted being
in the proportion of ten gallons of water to
one barrel of the crude petroleum-oil. After
this final separation of the asphaltum from 70
the oil the oil itself is drawn off through a
pipe A' and passes into a tank B, where the
second step in the treatment of the oil takes
place. This second step consists in treating
the oil with a solution of one gallon of caustic 75
soda having approximately a specific gravity
of 1030 to the barrel, and the entire mass is
agitated in any desired manner, preferably
by an air-blast, and after this agitation the
mass is permitted to settle for one hour and 8o
is then again agitated for one-half of an hour,
and during the second agitation water is sup-
plied through a perforated pipe B' for the
purpose of washing the oil. The first agita-
tion neutralizes or kills any acid which may 85
have been carried over from the tank A to
the tank B. The oil is then passed from the
tank B to a filter C, a suitable pump or other
forcing apparatus D being arranged between
the tank B and the filter C. After filtering go
the oil is drawn from the filter by means of
vacuum or suction pump E and conveyed
into a still F. A still is provided with a suit-
able discharge-valve F4 with a dome F' and a
discharge-coil F2, controlled by a valve F3, 95
and by-products of the oil are passed out-
wardly through the dome F' and pipe F2.
The asphaltum which has settled into the
lower portion of the tank A is drawn off from
said tank through a pipe A4 into a receptacle 1oo
G, where it is washed with water and caustic
soda, after being made limpid by mixing with
the asphaltum one quart of gasolene to each
twenty pounds of asphaltum, and after being
so washed the asphaltum is carried to an 105
evaporator H through a pipe G'. This evap-
orator may be of any preferred construction;
but in practice I have found that a shallow
pan divided by means of a series of alter-
nating partitions H2 to answer the purpose xio
well, the partitions being so arranged as to
provide the circuitous course through whichSpecification of Letters Patent.
Application filed June 15, 1901. Serial No. 64,702.
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Wintz, James Philip. Process For Treating Petroleum-Oils, patent, December 19, 1905; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509401/m1/3/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.