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US2542989A - Electrolytic cell - Google Patents

Electrolytic cell Download PDF

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Publication number
US2542989A
US2542989A US695622A US69562246A US2542989A US 2542989 A US2542989 A US 2542989A US 695622 A US695622 A US 695622A US 69562246 A US69562246 A US 69562246A US 2542989 A US2542989 A US 2542989A
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US
United States
Prior art keywords
cover
base
cell
electrode
lid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US695622A
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English (en)
Inventor
Carter Charles
John V S Glass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB10911/41A external-priority patent/GB597387A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
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Publication of US2542989A publication Critical patent/US2542989A/en
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/30—Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
    • C25B9/303—Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof comprising horizontal-type liquid electrode
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/033—Liquid electrodes

Definitions

  • An example of such a cell is one for the electrolysis of brine in which the cathode is a continuous sheet of mercury flowing over a slightly inclined plane surface forming the bottom of a trough-shaped vessel, and the anode is formed of a number of plates of graphite immersed in the brine and suspended by graphite rods from one or more lids forming the cover of the cell.
  • the mercury becomes an amalgam continuously increasing in strength as electrolysis proceeds, so that only at the beginning of its path is the electrode the chemical element mercury. Therefore, the word mercury as used in this specification and its appended claims will be understood to cover the resulting amalgams as well as the pure metal unless the context requires the narrower meaning.
  • the under-surfaces of the graphite anode plates wear away and the electrical resistance of the cell thus increases so that it is essential to have means for adjusting the height of the electrodes to compensate for this wear.
  • a principal object of this invention is the provision of electrolytic cells of the liquid electrode type of new form and design.
  • a further object is the provision of electrolytic cells of the subject type provided with means external of the cell for adjusting the solid electrode position while the cell is in operation.
  • Another object is the provision of liquid-electrode, electrolytic cells which may be operated at superatmospheric pressures.
  • a still further object is the provision of such cells which operate at relatively low voltage and which make possible very close control upon the reactions taking place within the cell and the efficiency of the process.
  • An additional object is the provision of such cells in which the inter-electrode gap 9 Claims. (01. 204-225) may be changed or varied without fluid escaping from the cell even when the cell is operated under super-atmospheric pressure. Another ob-.
  • the external adjusting means comprises a plurality of screw threaded supports adapted on rotation to cause a vertical movementof the upper part of the cell relative to the lower part.
  • a particularly advantageous sealing means comprises a resilient deformable packing located beneath mercury.
  • Figure 1 is a vertical section of one form of the electrolytic cells of this invention.
  • Figure 2 is a vertical section of another form of our electrolytic cells in which the sealing means of the cell consists of a flexible seal attached to the side of the lid and the base of the cell.
  • Figure 3 is a vertical section of another specific embodiment of our cells.
  • Figure 4 is a vertical section of a cell in which the cover of the cell may be moved positively.
  • Figure 6 is a vertical section of another form with appropriate means (not shown) for supplying mercury and fresh electrolyte to the cell, for removing amalgam and spent electrolyte, for removing chlorine evolved in. the electrolysis, and forsupplying electric current to the electrodes.
  • appropriate inlets and outlets may take the customary form, and in the case of the, forms of the invention shown in.
  • Figures i-and 5 these inlets and outlets for the liquids will pass through the bottom of the cell to terminate as orifices within the area bounded by the peripheral channels.
  • Each cell has a lid or cover 4 carrying a number of solid carbon anode blocks 5 of known type (one of which is shown), each depending from a carbon rod 8 which passes through an opening in the lid, and through which current is supplied to the anode by means shown only in Figure 5.
  • the joint between the lid 4 and the rod 6 is sealed :by a sealing composition 1, but any other suitable method of rendering the joint gas-tight may be employed.
  • From each side of the lid 4 project a number of flanges 8 (one on each side being visible in the drawings), in which flanges in Figuresl to 3 are threaded holes engaging with threaded bolts 9.
  • the bolts are shown to rest on lugs II] projectin from the sides of the cell.
  • This trough-shaped vessel I-- may be made of concrete or of steel, the latter case being appropriately coated with ebonite or other material which will protect the steel against the corrosive action of the electrolyte and of the chlorine.
  • the lid- . may also be made of concrete, slate, covered steel or the like.
  • the sides of the cell body have around their upper edges a trough-shaped portion I I in which is a layer of plastic, luting composition I2.
  • the anode blocks are fixed to the lid in the correct position to give more than the appropriate gap between the lower faces of anode blocks and the bottom of cell I, and. thus between those lower faces and the surface of the mercury -2 when the cell is in operation, and the lid is then put in position so that the bolts 9 rest on lugs I0.
  • the exact height of the under-surface of the anode above the bottom of the trough is then determined, as by "calculation from the predetermined dimensions of.
  • the filter-electrode gapv is then adjusted accordingly by rotating bolts 9 so as to raise the heads of the bolts by a distance equal to that by which the anode has ing lug Ill.
  • the cell is then ready for use.
  • the external adjustingmeans for adjusting the height of the anode is similar to that of the cell structure forms shown in Figures 1 and 2 consisting of bolts 9 which extend through the threaded flange 8 and rest upon the lugs extending from the cell body I.
  • the sealing means in this embodiment of the invention consists of a rigid skirt IT, integral with the lid 4 which extends downwardlyinto a channel [5 in the cell-body walls which is adapted to receive the skirt H.
  • a deformable resilient packing I5 such as an inflated rubber tube which is covered on both sides of the skirt by suitable material Ila, e. .g., mercury, or an oil resistant to attack by chlorine.
  • the vessel I is formed with a narrow deep channeled I5 extending the whole way around the plane surface on which mercury 2 flows.
  • the bottom of the channel I5 is an inflated rubber tube It and the lid 4! has .
  • the bottom of the vessel I is first flooded with mercury so as to fill channel 15,, and thus cover the tube I6; the lid 4 is then caused to go into place by means of the bolts 9a in a position which gives approximately the correct inter-electrode gap.
  • the bolts 9a are threaded into inserts 9b which are contained in the top of the "sides of the housing I.
  • the skirt '1 will then rest on tube It and thus seal the space inside the cell from outside.
  • Adjustments in the height of the anode can be made as'required'by movement of the bolts 9a; if bolts 9a are lowered the positive downward thrust on the anode assembly will cause the skirt ll to deform rubber tube i6 and thus allow the inter-electrode gap to decrease.
  • II initially, the inter-electrode gap is too small it can be increased by raising bolts ea in the lugs 8, and the resilience of tube it ensures that the seal will still be maintained. Adjustments can be made in a similar manner during the use of the cell when the anode gap becomes too large as the result of wear.
  • the cell is provided with a lid which is supported by a plurality of-hydraulic rams disposed at intervals around the perimeter of the lid, the vertical adjustment of the lid being achieved by supplying or removing hydraulic pressure from the rams
  • a skirt ll Depending from lid 4 is a skirt ll, the lower edge of which dips into the channel l5, and an endless inflated rubber tube llia is disposed between the inner wall of the channel and the skirt
  • the channel will be filled with mercury, and the assembly of the skirt i? and tube ltd will form a seal reinforced by the mercury; the rubber tube will thus be protected from the action of the electrolyte, which will contain dissolved chlorine, by the layer of mercury above it.
  • lid l From each side or" lid l project laterally a number of flanges 8 (one on each side being shown), each of which is attached to the upper end of a'piston rod it of a hydraulic ram it].
  • Each ram is fitted with a pipe above the upper limit of travel of the piston 2
  • water under pressure can be supplied to the ram through each of the pipes 2R3 while water is allowed to leak away from below the pistons 2i throu h pipes 22, thus lowering the lid 4, and thus anode 5.
  • Figures 6 and 7 illustrate modified forms of means external from the cell for adjusting the height of the anode of the cell relative to the liquid electrode.
  • 'In Figure 6 there is shown a portion of the side of the cell body i provided with alug 'A wedge-shaped member 2A rides upon the lug 23 and is caused to move horizontally toward and away from the side of the cell bymeans of the bolt 25.
  • a flange or lug 26 provided with a downwardly bent section which 9 outer periphery of the cover i and the top edge 9;
  • the base i in this case is madeof the base I. from iron and is provided with a lining 2'! which may be made from any chlorine resistant mate-- rial such aspolyvinyl chloride, polythene, or
  • the upper edge of the base I is provided with a trough 35) in which rests a portion of sealing composition 3! for sealing the gap between the cover 4 and theupper edge of the base I. Adjustment of the height of the anode relative to the liquid cathode is, obtained by rotating the.
  • the upper end of the rod is threaded to receive a ring :12 of metal, ebonite, or other suitable ma-' terial, which carries a stirrup disposed immediately above the end of the rod, and a circular g 'metal cap 2-34 rests with its rim on the upper surface of the ring screwed on to the rod; ii desired a packing ring 35 of cork, rubber, or other come pressible material may.- be interposed between the. cap and the metal rim.
  • the stirrup carries a set gg screw 36 adapted to bear against the top of the cap and to be rendered immovable by locknut 3h The space between the cap and the top or the anode is filled with a grease-like composition;
  • this may be, for example, a grease-like mixture of a chlorinated naphthalene and a chlorinated paramn, wax, or a viscous chlorinated paraffinwax thickened by an addition of chlorinated rubher; a hydrocarbon grease could also be used.
  • the set screw in the stirrup is made to 30 press against the top of the cap, thus pressing the grease-like composition into the pores in the surface layers of the rod; as a result, electrolyte seeping up the pores oi the rod will meet a barrier oi grease-like material, and exudation of the elec- Operation of the cells which use a sealing com position interposed in a trough-like unit on the top edge of the sides of the base, e. g., forms of the screw-adjusting means; the gap between the U0 ing in a plastic luting composition. If the interelectrode gap is found to be toolarge the screwadjusting means can be actuated to allow the gap to be reduced by the appropriate amount.
  • the screw-adjusting means provides positive move-1 ment of the lid towards the vessel the plastic, composition will thus automatically bedeiormed j. and the solid electrodes brought to the correct position.
  • the screw-adjusting means I gives positive movement of the lid only in the one I direction, (upwards)
  • the necessary adjustment. can be made by screwing thebolts in the appropriate direction by the amount by which it is desired to lower the electrodes, whereupon,-if thesealing composition is sufficiently plastic, the lid.
  • the lid can then be pressed down by hand pressure or otherwise until, the result is achieved.
  • the amount by which the, lid is lowered may be chosen in accordance with the known rate of wear of the electrodes (under given operating conditions) or by other methods; 1; for example, it may be chosen so that the cel 5 voltage is kept between specified limits.
  • the rubber tube should not be inflated so hard that it cannotbe deformed, but neverthelesssulneient for it to. be resilient. (in supplying mercury to the cell the space in the channel. above the rubber tube isfilled. with mercury. and the rubber isthusprevented from coming into contact with gaseou chlorine, or with brine. containing dissolved chlorine, thereby deteriorating and. losing its resilience.
  • the resilient deformable packing in. the channel the diversion of. the mercury flow from the plane. surface to the channel can. be reduced to smallproportions. It.
  • threaded rods may besecured tov the sides of the cell trough, whichrods pass through holes in the lugs of the. lid. two. nuts being then provided on each rod, one above the. lug and one. below it. The seal will then not bebroken even. if the lid is pressed upwards throushthe. pressure of chlorine in the cell.
  • various luting compositions may be used which are relatively inert to chlorine, for example,v a plastic mixture of chlorinated parafiin wax, chlorinated polythene, neoprene and the like.
  • the invention is not limited to the use of plastic compositions, but also includes the use of liquid seals, e g, brine, or of mercury covered with. a layer of a hydrocarbon oil to prevent attack. within. the cell by chlorine.
  • liquid seals e g, brine, or of mercury covered with. a layer of a hydrocarbon oil to prevent attack. within. the cell by chlorine.
  • the cell lid is provided with a skirt which suspends into a channel in the cell body, it has been found that usually fine operational results are obtained" where: the channel is filled with a thermoplastic substance inert to the gases evolved in the electrolysis and capable of wetting the surfaces of the skirt and channel in lieu of the mercury and. 5
  • thermoplastic seal of this kind are described and claimed in copending application, Serial No. 695,625, filed Sept. 9, 1946 by Arthur Wesley Ravenscrof-t entitled Electrolytic Cells now- Patent Number 2,502,888.
  • Suitable thermo plastic materials which may be used include normallysolid chlorinated naphthalene containing,
  • An electrolytic cell of. the liquid electrode y e having a base carrying a flowin liquid sled-.- trode, a cover on the base extending across the cell beyond the edges of: the liquid electrode, a
  • said cover said solid electrode having a plane under-surface disposed a shortdistance above he upper suriace oi, the liquid l tro e and substantiall parallel thereto, said plane surface. extendingcontinuouslyacross the major portion oi. the cell, means, combined with the cover for adjusting the height of the cover relative to the base comprising a pluralit of horizontal ex-.
  • electrolytic cellof the liquid electrode type having a base carrying a flowing liquid electrqdoi a cover on the base extending across the cell beyond theedges of the liquid electrode and a Solid. electrode having a plane under-surface rigidly supported in the cell by said cover with its undersllriace disposed at short. distance above the upper surface or the liquid electrode and substantially parallel, thereto, said solid electrode extending continuously across the major portion or the cell, the combination which comprises means combined, with the cover for adjusting the height of the cover relative to the base comprising a plurality of horizontal extensions on said cover which bear upon, vertically adjustable support members carried by said base, upwardly ex-. tending walls integral with the base, and means for sealing the cell comprising a layer of lastic composition filling a gap between the lower side of the cover. and the top edgesof the walls of the ase,
  • said cover rigidly supported in the cell by said cover with its under-surface disposed a short distance above the. upper surface or the liquid electrode and substantially parallelthereto, said solid electrode extending continuously across the major portion of the cell, the combination which comprises means comblnedwith the cover for a j n the height of the cover relative to the base comprismg a pluralit of horizontal extensions on said cover which. bear upon vertically adjustablesup- Port members carried by said base, and means. for sealing the cell. which comprises an endless band of chlorine impervious flexible, material surrounding a gap between the cover and the base, the oppositeedges of said band. being sealed. to the cover and base, respectively.
  • an. electrolytic cell of the liquid electrode type having a base carrying a flowing liquid electrode, a cover on the base extending across the cell beyond the edges of the liquid electrode and a solid electrode having a plane under-surface rigidly supported in the cell by said cover with its under-surface disposed a short distance above the upper surface of the liquid electrode and substantially parallel thereto, said solid electrode extending continuously across the major portion of the cell, the combination which comprises meanscombined with the cover for adjusting the height of the cover relative to the base comprising a plurality of horizontal extensions on said cover which bear upon vertically adjustable support members carried by said base, a peripheral channel in said base, a skirt integral with said cover depending into said channel, a deformable, resilient packing within said channel contacting a wall of the channel and of the skirt, said packing being covered by a layer of sealing liquid contained in the channel.
  • an electrolytic cell of the liquid electrode type having a base carrying a flowing liquid electrode, a cover on the base extending across the cell beyond the edges of the liquid electrode and a solid electrode having a plane under-surface rigidly supported in the cell by said cover with its under-surface disposed a short distance above the upper surface of the liquid electrode and substantially parallel thereto, said solid electrode extending continuously across the major portion of the cell, the combination which comprises means combined with the cover for adjusting the height of the cover relative to the base comprising a plurality of threaded bolts operatively engaging the cover and bearing against a portion of the base, and means for sealing the cover to the base in a manner allowing relative vertical movement be tween the cover and the base comprising an elongated, resilient element of a length corresponding to the perimeter of said base in sealing engagement with the peripheral edges of said cover and said base.
  • an electrolytic cell of the liquid electrode type having a base carrying a flowing liquid electrode, a cover on the base extending across the cell beyond the edges of the liquid electrode and a solid electrode having a plane under-surface rigidly supported in the cell by said cover with its under-surface disposed a short distance above the upper surface of the liquid electrode,
  • said solid electrode extending continuously across the major portion of the cell
  • the combination which comprises means combined with the cover for adjusting the height of the cover relative to the base comprising a plurality of threaded bolts operatively engaging the cover and the base, and means for sealing the cover to the base in a manner allowing relative movement between the base and cover comprising a peripheral channel in the base, a skirt integral with the cover depending into the channel, a deformable resilient packing within said channel contacting a face of the skirt and the channel wall, said packing being covered by a layer of sealing liquid contained in the channel.
  • An electrolytic cell of the liquid electrode type which may be operated at an appreciable internal pressure and in which the inter-electrode gap may be adjusted without interruption of the cell operation, having a base carrying a flowing mercury electrode, a cover which extends substantially over the cell, a solid electrode rigidly supported in the cell by said cover, said solid electrode having a plane under-surface disposed a short distance above the upper surface of the liquid electrode and substantially parallel thereto, said plane surface extending continuously across the major portion of the cell, means combined with the cover for adjusting the height of the cover relative to the base comprising a plurality of horizontal extensions on said cover which bear upon vertically adjustable support members carried by said base, and means for sealing the cover to the base for allowing suiiicient relative vertical movement between the cover and the base to substantially alter the width of the inter-electrode space by such relative movement comprising an elongated, resilient element of a length corresponding to the perimeter of said base in sealing engagement with the peripheral edge portions of said cover and said base.
  • An electrolytic cell of the mercury electrode type capable of being operated with a substantial fluid pressure difierential between its electrolyte inlet and outlet, which comprises a base carrying r a flowing mercury cathode, a cover on the base extending across the cell beyond the edges of said cathode, a solid electrode with a plane under-surface of such Width as to extend nearly across the cell, said electrode being rigidly supported in the cell by said cover so that vertical movements of the cover cause equal vertical movements in the electrode with its under-surface disposed a short distance above the upper surface of the liquid electrode and substantially parallel thereto, means combined with the cover for adjusting the height of the cover relative to the base, comprising a plurality of horizontal extensions on said cover which bear upon vertically adjustable support members carried by said base, and means for sealing the cover to the base for allowing sufficient relative vertical movement between the cover and the base to substantially alter the width of the inter-electrode space by such relative movement, comprising an elongated, resilient element of a length corresponding to the perimeter of said base in
  • An electrolytic cell as claimed in claim 1, wherein said means combined with the cover for adjusting the height of the cover relative to the base comprises a plurality of threaded bolts operatively engaging the cover and engaging threaded holes in said base.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
US695622A 1941-08-27 1946-09-09 Electrolytic cell Expired - Lifetime US2542989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10911/41A GB597387A (en) 1941-08-27 Improvements in or relating to electrolytic cells

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US2542989A true US2542989A (en) 1951-02-27

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US695622A Expired - Lifetime US2542989A (en) 1941-08-27 1946-09-09 Electrolytic cell

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US (1) US2542989A (zh)
BE (1) BE467970A (zh)
CH (1) CH260295A (zh)
DE (1) DE933026C (zh)
FR (1) FR933689A (zh)
NL (1) NL63281C (zh)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713555A (en) * 1951-05-22 1955-07-19 John F Neely Electrolytic refining of antimony
US2784157A (en) * 1954-01-07 1957-03-05 Solvay Device for adjusting the distance between the electrodes of an electrolytic cell of the mercury cathode type
US2820755A (en) * 1953-11-04 1958-01-21 Amroc Inc Wall structures for electrolytic cells
US2861938A (en) * 1954-04-07 1958-11-25 Ici Ltd Electrolytic cells
US2904491A (en) * 1956-05-02 1959-09-15 Nat Lead Co Apparatus for producing refractory metal
US2958635A (en) * 1957-12-24 1960-11-01 Oronzio De Nora Impianti Electrolytic cell cover
US3104213A (en) * 1957-12-02 1963-09-17 Chlormetals Inc Electrolytic cell and process thereof
US3235479A (en) * 1961-02-17 1966-02-15 Chlormetals Inc Electrolytic cell
US3455810A (en) * 1965-02-04 1969-07-15 Uddeholms Ab Fastening means for an electrode in a so-called horizontal electrolytic cell

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282820A (en) * 1962-06-20 1966-11-01 Chlormetals Inc Current supply system for electrolytic cells

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE173520C (zh) *
US271906A (en) * 1883-02-06 Peocess of and apparatus foe obtaining chloeine and sodium
US468880A (en) * 1892-02-16 Ernest arthur le sueur
US748985A (en) * 1904-01-05 Zsheetsxsheet i
US1346849A (en) * 1918-07-29 1920-07-20 Robert M Shaw Electrolytic cell
US2104678A (en) * 1935-10-01 1938-01-04 Oxford Paper Co Electrolytic cell
US2328665A (en) * 1939-10-27 1943-09-07 Mathieson Alkali Works Inc Electrolytic cell

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60775C (de) * A. HAGEN und F. J. HENER, in Firma HAGEN & HENER, in Oberefslingen a. N Teppichhalter
DE594563C (zh) *

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE173520C (zh) *
US271906A (en) * 1883-02-06 Peocess of and apparatus foe obtaining chloeine and sodium
US468880A (en) * 1892-02-16 Ernest arthur le sueur
US748985A (en) * 1904-01-05 Zsheetsxsheet i
US1346849A (en) * 1918-07-29 1920-07-20 Robert M Shaw Electrolytic cell
US2104678A (en) * 1935-10-01 1938-01-04 Oxford Paper Co Electrolytic cell
US2328665A (en) * 1939-10-27 1943-09-07 Mathieson Alkali Works Inc Electrolytic cell

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713555A (en) * 1951-05-22 1955-07-19 John F Neely Electrolytic refining of antimony
US2820755A (en) * 1953-11-04 1958-01-21 Amroc Inc Wall structures for electrolytic cells
US2784157A (en) * 1954-01-07 1957-03-05 Solvay Device for adjusting the distance between the electrodes of an electrolytic cell of the mercury cathode type
US2861938A (en) * 1954-04-07 1958-11-25 Ici Ltd Electrolytic cells
US2904491A (en) * 1956-05-02 1959-09-15 Nat Lead Co Apparatus for producing refractory metal
US3104213A (en) * 1957-12-02 1963-09-17 Chlormetals Inc Electrolytic cell and process thereof
US2958635A (en) * 1957-12-24 1960-11-01 Oronzio De Nora Impianti Electrolytic cell cover
US3235479A (en) * 1961-02-17 1966-02-15 Chlormetals Inc Electrolytic cell
US3455810A (en) * 1965-02-04 1969-07-15 Uddeholms Ab Fastening means for an electrode in a so-called horizontal electrolytic cell

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Publication number Publication date
BE467970A (zh)
CH260295A (de) 1949-03-15
NL63281C (zh)
DE933026C (de) 1955-09-15
FR933689A (fr) 1948-04-28

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