New or Improved Production of Acetylene Compounds and of Ethylene.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
New or Improved Production of Acetylene Compounds and of
Ethylene.
We, BASIL JOHN ATTERBURY, of 'the Rowans, New Malden, Surrey, Engineer,
THOMAS MACALPINE, Doctor of Science, of 22, Sutton Court Road, Chiswick, Middle-
sex; Consulting and Research Chemist, and THE ALCOHOL SYNDICATE LIMITED,
of 42A, Bloomsbury Square, London, do hereby declare the nature of this 'invention
to be as follows;-
"
-
1.
We first produce acetylene gas in any of the usual methods, preferably by means
of the mutual decomposition of water and calcium carbide, otherwise known as
calcium acetylene. We then pass the acetylene gas into a vessel containing-in
a fine state of division, metallic copper, or oxide of copper, or sulphide of copper,
or carbonates or hydrates of copper or other suitable metal such as lead, aluminium,
iron, manganese, chromium, zinc, or magnesium, which is kept suspended in water
by means of an agitator. Or, alternatively, we take a salt of copper or of the above
mentioned metals which is soluble in water, or acid, preferably sulphate of copper,
and precipitate the copper by means of the oxides, hydrates, or carbonates of lime;
barium, magnesium, sodium, potassium or ammonium. This precipitate we sus-
pend in water and pass the acetylene gas into it whilst the precipitate is under
agitation, with or without pressure.
Or alternatively we deliver the calcium carbide into the water containing the
metallic copper, or copper oxide, or copper sulphide, or carbonates or hydrates of
copper or other metals, containing the precipitate formed by any of the methods
mentioned above and thereby form the acetylene compound agitating the water
and precipitate at the same time.
For the purpose of producing ethylene, after treating with acetylene until
saturation we transfer the copper acetylene to another vessel where we add water
and mix it with metallic zinc or other metal or with any chemical compound suit-
able for the purpose of decomposing the copper acetylene by means of nascent
hydrogen, using for this purpose the copper acetylene alone, mixed with the decom-
posing chemical, or assisted by the addition of the oxides, hydrates, or carbonates
of lime, barium, magnesium, sodium, potassium, or ammonium. The quantity
necessary for this purpose may be added either when liberating the hydrogen, or
an amount sufficient for this purpose may be added to the metallic copper, or to
the oxide of copper, or to the sulphide of copper or to the carbonates or hydrates
of copper or to the precipitate of the soluble salt of copper formed by any of the means
mentioned above, before saturation with the acetylene. In the case of adding the
calcium carbide to the metallic copper or copper oxide, or copper sulphide, or to the
carbonates or hydrates of copper or to the precipitate of the soluble salt of copper

page_text: formed by any of the means mentioned above, sufficient hydrate of lime is present
through the decomposition of the calcium carbide to decompose the zinc or other
metal or chemical substance liberating nascent hydrogen.
+1 5+1
Wahman 1000
FREDERIC PRINCE,
Agent for Applicants.
New or Improved Production of Acetylene Compounds and of
Ethylene.
We, BASIL JOHN ATTERBURY, of New Malden, England, Engineer, and THOMAS
MACALPINE, of Chiswick, England, Doctor of Science, and Research Chemist, and
THE ALCOHOL SYNDICATE LIMITED, of 42A, Bloomsbury Square, London, W.C.,
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:
-
1
We first produce acetylene gas in any of the usual methods preferably by means
of the mutual decomposition of water and calcium carbide, otherwise known as
calcium acetylene. We then pass the acetylene gas into a vessel containing in
a fine state of division, metallic copper or oxide of copper, or sulphide of copper
or carbonates or hydrates of copper or other suitable metal such as lead, aluminium,
iron, manganese, chromium, zinc, or magnesium, which is kept suspended in water
by means of an agitator; or alternatively, we take a salt of copper or of the above
mentioned metals which is soluble in water or acid, preferably sulphate of copper,
and precipitate the copper by means of the oxides, hydrates or carbonates of lime,
barium, magnesium, sodium or potassium,
This precipitate we suspend in water and pass the acetylene gas into it whilst
the precipitate is under agitation, with or without pressure; or alternatively we
deliver the calcium carbide directly into the water containing the metallic copper
or copper oxide or copper sulphide, or carbonates or hydrates of copper or other
metals containing the precipitate formed by any of the methods above mentioned
and thereby form copper acetylene, agitating the water and the precipitate at the
same time.
To produce ethylene from the above, after treating with acetylene gas until
saturation, we transfer the copper acetylene to another vessel where we add water
and mix it with the metallic zinc, for the purpose of decomposing the copper
acetylene by means of nascent hydrogen, using for this purpose the copper acetylene
alone, mixed with the decomposing chemical, or assisted by the addition of the
oxides, hydrates or carbonates of lime, barium, magnesium, sodium or potassium.
The quantity necessary for this purpose may be added either when liberating
the hydrogen, or an amount sufficient for this purpose may be added to the metallic
copper, or to the oxides of copper, or to the sulphide of copper, or to the carbonates
or hydrates of copper or to the precipitate of the soluble salt of copper formed by
any of the means mentioned, before saturation with the acetylene.
In the case of adding the calcium carbide to the metallic copper or copper oxide,
or copper sulphide, or to the carbonates or hydrates of copper, or to the precipitate
of the soluble salt of copper, sufficient hydrate of lime is present through the
decomposition of the calcium carbide to decompose the zinc or other metal or
chemical substance liberating nascent hydrogen.

page_text: Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed, we declare that what we
claim is:
1. The production of copper acetylene and acetylene compounds, substantially
Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed, we declare that what we
claim is:-
1. The production of copper acetylene and acetylene compounds, substantially
as hereinbefore described.
2. The production of ethylene, substantially as hereinbefore-described.
AL 1
T
1000
FREDERIC PRINCE,
37, Cursitor Street, Chancery Lane, London,
Agent for the Applicants.