EP0235291A4 - Verfahren zur herstellung von vanadiumschlacke. - Google Patents

Verfahren zur herstellung von vanadiumschlacke.

Info

Publication number
EP0235291A4
EP0235291A4 EP19860900680 EP86900680A EP0235291A4 EP 0235291 A4 EP0235291 A4 EP 0235291A4 EP 19860900680 EP19860900680 EP 19860900680 EP 86900680 A EP86900680 A EP 86900680A EP 0235291 A4 EP0235291 A4 EP 0235291A4
Authority
EP
European Patent Office
Prior art keywords
oxide
vanadium
iron
slag
metal
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.)
Granted
Application number
EP19860900680
Other languages
English (en)
French (fr)
Russian (ru)
Other versions
EP0235291A1 (de
EP0235291B1 (de
Inventor
Leonid Andreevich Smirnov
Jury Stepanovich Schekalev
Anatoly Anatolievi Filippenkov
Jury Andreevich Deryabin
Oleg Nikolaevich Kokareko
Viktor Grigorievich Udovenko
Gennady Nikolaevich Vasilenko
Mikhail Andreevich Tretyakov
Boris Dmitrievich Chervyakov
Sergei Petrovich Kiselev
Vitaly Grigorievich Korogodsky
Vladimir Yakovlevich Litovsky
Vasily Tikhonovich Arnautov
Irek Nasyrovich Gubaidullin
Alexandr Nikitovich Glazov
Ernst Yakovlevich Sidelkovsky
Valery Viktorovich Skripchenko
Felix Stefanovich Rakovsky
Vyacheslav Nikolaevich Zelenov
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.)
CHUSOVSKOJ METALL Z
NIZHNETAGIL MET KOM LENINA
URALSKY NII CHERNYKH MET
NIZHNETAGIL MET KOM
URALSKY INST CHERNYKH METALL
Original Assignee
NIZHNETAGIL MET KOM LENINA
URALSKY NII CHERNYKH MET
CHUSOVSKOJ METALL Z
NIZHNETAGIL MET KOM
URALSKY INST CHERNYKH METALL
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
Application filed by NIZHNETAGIL MET KOM LENINA, URALSKY NII CHERNYKH MET, CHUSOVSKOJ METALL Z, NIZHNETAGIL MET KOM, URALSKY INST CHERNYKH METALL filed Critical NIZHNETAGIL MET KOM LENINA
Publication of EP0235291A1 publication Critical patent/EP0235291A1/de
Publication of EP0235291A4 publication Critical patent/EP0235291A4/de
Application granted granted Critical
Publication of EP0235291B1 publication Critical patent/EP0235291B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition

Definitions

  • ⁇ anadaevy shla ⁇ ⁇ luchaemy ⁇ i ⁇ islvnii vayaadays ⁇ de ⁇ zhaschi ⁇ chuguya ⁇ v in ⁇ nve ⁇ e ⁇ a ⁇ or d ⁇ u ⁇ i ⁇ ag ⁇ ega ⁇ a ⁇
  • yavlyae ⁇ sya is ⁇ dnym sy ⁇ em for ⁇ lucheniya ⁇ en ⁇ sida vanadium ⁇ y ⁇ eimusches ⁇ venn ⁇ is ⁇ l- zue ⁇ sya in che ⁇ n ⁇ y me ⁇ allu ⁇ gii for ⁇ lucheniya ⁇ e ⁇ va- vanadium and d ⁇ u ⁇ i ⁇ , b ⁇ ga ⁇ y ⁇ vanadaem, s ⁇ lav ⁇ v.
  • vayaadya slag which is not suitable for the manufacture of light metal vanadium, steel, alloys.
  • the resulting vanadium slag was produced in bulk: vanadium oxide -27.8 oxide of oxide - 17.3 iron oxide -22.4 oxide of aluminum * 3.5 oxide of calcium-0.5 carbon oxide - 3.5 magnesium oxide - 0.3 impurities - other
  • vanadium cast iron is not available; vanadium slurry is removed;
  • Advantages of this benefit from the Canada 20 slag are that the combination of alkali and carbon oxides results in an improvement in the rate of improvement.
  • the average size of the vanadium slag is increasing, which is the size of the largest, vanadium-containing slag.
  • Another effect of 25 seconds of the influence of these components is the generation of a pure spinelide microstructure.
  • the proposed vanadium slag is produced - 7 - b ⁇ m, v ⁇ lyuchayuschim zaliv ⁇ u in ⁇ nve ⁇ te ⁇ vanadg- ⁇ ev ⁇ g ⁇ iron i ⁇ isad ⁇ u zhelez ⁇ s ⁇ de ⁇ naschi ⁇ and (id ⁇ ) ⁇ lyusuyuschi ⁇ ⁇ m ⁇ nen ⁇ v, ⁇ duv ⁇ u u ⁇ azann ⁇ g ⁇ iron gaz ⁇ b ⁇ az- 5 nym ⁇ isli ⁇ elem with ⁇ lucheniem ⁇ lu ⁇ du ⁇ a and whether or s ⁇ a- ⁇ anadiev ⁇ g ⁇ ⁇ la ⁇ a, ⁇ y, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ e- NIJ, ⁇ a ⁇ a ⁇ e ⁇ izue ⁇ sya That is, in most cases, the original Canada cast iron is used by the cast iron of the following United States of America mass #: U vanadium 0.35-0.90 ⁇ m
  • the Canada slag composition as indicated above, is obtained from vanadium cast iron by its oxidation by a gas oxidizing agent. We found that the indicated slag composition is shared chemically
  • composition of cast iron which, according to the invention, is as indicated above, the following composition of the masses. : vanadium 0.35-0.90, ⁇ dite ⁇ 0.02-0.10 carbon ores 3.8-4.8 copper 0.0 -0.32 ⁇ cr
  • Cast iron is usually smelted in ordinary ordinary furnaces, but also in small useful ones.
  • vanadium cast iron has a composition of 5 va, as indicated above, poured into.
  • a gaseous oxidizer such as an acid
  • the predominantly magnetic fraction of vanadium sludge in the mixture is limited by the time of its dissolution.
  • the vanadium cast iron is poured on the burner after 15 other compositions: mass. $: 4,2-4, C; 0.10-0, 2051; 0.40-0, 60 V; 0.10-0, 20 ⁇ , 0.10-0.20 ⁇ ? 0.05-0.15 Cg; 0,03-0,06- ?; 0.02-0.0433; 0.08-0, ⁇ 2 ⁇ ; 0.08-0, ⁇ 2 ⁇ 1; 0.001-0.12 C ⁇ .
  • Personally cast iron should be provided with a 20-unit area to prevent irradiation. in ⁇ days, 0.15-0.25 m / ⁇ .
  • the cast iron machine after filling in the pan, is ⁇ 270- ⁇ 280 ° ⁇ .
  • nav ⁇ d ⁇ i shla ⁇ a is ⁇ lzuyu ⁇ shla- mixture ⁇ b ⁇ azuyuschuyu d s ⁇ de ⁇ zhaschuyu wt. 25 heavy vanadium-containing hydrocarbons 3.0-5.0 magnetic fraction of vanadium-slag 15-20 calcined glass other
  • the resulting metal product is drained to the bottom through a failure, and the vanadium slag is delivered to the vessel.
  • the described cycle transfers and after the end of the blowing of acid, the metal is blown away with argon or other inert gas with a minimum of 2.0 or less.
  • the grains of the vanadium spinelide are crystallized in the form of suitable geo- logical bodies, and their size is 30-60 microns.
  • the resulting metal after draining, processes slag-forming mixtures and liquefies or uses yutas for making steel in the iron ore furnace.
  • vanadium cast iron was poured, containing mass. : 3.8-C; 0.35 - 31; 0.35 - ⁇ ; 5 0.07- ⁇ ; 0.12 - ⁇ ; 0.03 - Cr; 0,02 - ⁇
  • the pig iron was ⁇ 300 ° ⁇ .
  • the intensity of the supplied oxygen was 3 m 3 / ⁇ “min, and the specific sewing capacity of 15 liquid metal was 0.3 m 3 / ⁇ .
  • vanadium oxide - 16 vanadium oxide - 16; acid oxide - 24, manganese oxide - 6; oxides ⁇ ma - I; titanium oxide - 6 calcium oxide - 0.3; granules of metallic iron - 8; Iron Oxide - Other.
  • the mineralogical composition was as follows, - 18 - mass. : spinelid-40; glass 2; ⁇ i ⁇ sen and olivine-58.
  • the size of the vanadium spinelida grains was approximately 25–35 ⁇ m, and, moreover, they have a capacity of 5 geometrical bodies.
  • the slag accumulated from the two feeds contained the masses: vanadium oxide-20.4; acid oxide; -14.2; manganese oxide-10.4; oxycid ⁇ ma-2,; 35 oxy ⁇ titanium-8.6; calcium oxide-1.5; granules of metal iron-10.2, oxide of iron - the rest.
  • Its auger system was as follows: - 19 - wt.% Pyrphenylide - 55, glass - 5; There are 40 springs and rivulets.
  • the size of the vanadium spinelida is 30–40 ⁇ m. They are very crystalline and have a well-functioning factory. 5 The degree of vanishing of vanadium was 94.3%.
  • vanadium oxide - 30 (of the one part), comprised the masses,%: vanadium oxide - 30; acid oxide - 10; manganese oxide - 6.4; titanium oxide - 7, 4; Oxide ⁇ court - 12; calcium oxide - 2.1; granules of metallic iron - 6.2; alkali metal oxide - 9, 0; carbon ratio - 0, 1; Iron Oxide - Other.
  • the mineralogical composition was as follows, mass. : sh ⁇ inelid-70; glass- ⁇ ; ⁇ i ⁇ sen and olivine-20.
  • the grain size of the vanadium spinelide was approximately 30–50 ⁇ m and had a correct shape.
  • the degree of dismissal of the occupation was 95.
  • the degree of separation of the slag is 97%.
  • vanadium recovered from cast iron to 92% slag.
  • the vanadium Before cast iron pouring, the vanadium was installed in the amount of 92 kg / t. The separate area of the bathtub was 0.24 m / t. the intensity supplied from the bottom of the air (in terms of oxygen) was 3 m / t.min.
  • the temperature was ⁇ 4 ⁇ 0 ° ⁇ , and the content of vanadium and carbon in it was equal to, mass%: 0.03 and 2.6.
  • the pig iron furnace in the inverter was 80280 ° ⁇ .
  • the yield of cast iron isadil is a slag-friendly mixture of the following mass composition ⁇ : heavy hydrocarbons-4,2; magnetic fraction of vanadium slag - $ 15; The downstream hookah is the rest.
  • the mixture yield was 62 kg / ⁇ .
  • Intensity of the supply of acid 15 at the turn-over of the metal from the above through wet water was 1.5 m 3 / t.min.
  • the specific surface area of the metal was • 0.18 m 2 / t.
  • the metal After the end of the blowdown, the metal had a temperature of 20 ° C at 470 ° C, and the content of vanadium and carbon in the metal after the end of the devavation was 0.03 and g_g%.
  • the metal was merged, and the slag was delivered completely in the process and the operation was reversed or the same as the original 2 parameters.
  • the metal smelter in the second smelter was 1480 ° C and the same vanadium content. Carbon content was reduced to 2.1.
  • the size of the grain of spinelide was 40-60 microns. - 22 -
  • the cast iron was filled with 162 ⁇ of cast iron, which was also 5 composition, which was also performed in step 5.
  • the cast iron filler was ⁇ 275 ° ⁇ .
  • the provincial government introduced 6.5 ⁇ (4) steel bar.
  • the intensity of the supplied oxygen was 2.5 m 3 / t.min, while the specific area was 10% of the metal 0.18 m / t.
  • the metal After 6 minutes ($ 25 at the time of injection), the metal was replaced with 7.2 ⁇ (4.5) oxides and continued to be charged with the same intensity. 15 At the end of the blowdown, the metal comprised $ 0.12 C and $ 0.01 ⁇ and a temperature of ⁇ 650 ° ⁇ . The degree of deletion of vanadium was in this version 98.2. Likewise, the masses of $: oxides of vanadium-$ 28.4; oxycid ⁇ menia- ⁇ 8, ⁇ ; manganese oxide-8.2; titanium oxide-10.8; 20 oxycid ⁇ ma-2,3; Oxide Calcium-1.4; granules of metallic iron-3.2; Iron oxide is other.
  • Example 7 30 taxable nostically wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome wholesome ⁇ 275 ° ⁇ . In the forefront, they pre-paid 1.6 t ($ 1) of steel steel.
  • the intensity of the supplied overhead oxygen 35 was 2.5 m 3 / t.min. and the specific area of the earth became 0.20 m / ⁇ . - 23 - After 3 minutes of blowing (15 times during blowing), they planted 9.6 ⁇ of burns ($ 6) and went on blowing.
  • the organic composition of the slag remained the same, the size of the spinel grains of the correct form was 60-80 microns.
  • the metal has a temperature of ⁇ 620 ° ⁇ and contains ' ,. $ 0.44 C, 0.04 ⁇ and $ 0.028 ⁇ .
  • the slag contained the masses: 26.8- vanadium oxide; 14, 1-oxide ⁇ pamnium, iron granule -3, 8; calcium oxide-6.4; iron oxide-18, 6; oxides ⁇ , Cr, ⁇ -other.
  • the degree of mismatch 5 vanadium amounted to 89, 5 $.
  • the inventive invention may be used in the case of a black metal and in the processing of titanium-magnetic material without iron. 10
  • a method of compartmentalizing the device and successfully failing to be implemented in existing processes is inadequate. 25 Use, and also the use of the proposed products gives a significant economy of the original reaction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
EP19860900680 1985-08-22 1985-08-22 Verfahren zur herstellung von vanadiumschlacke Expired - Lifetime EP0235291B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1985/000072 WO1987001136A1 (en) 1985-08-22 1985-08-22 Vanadium slag and method for obtaining it

Publications (3)

Publication Number Publication Date
EP0235291A1 EP0235291A1 (de) 1987-09-09
EP0235291A4 true EP0235291A4 (de) 1988-01-20
EP0235291B1 EP0235291B1 (de) 1990-02-07

Family

ID=21616937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860900680 Expired - Lifetime EP0235291B1 (de) 1985-08-22 1985-08-22 Verfahren zur herstellung von vanadiumschlacke

Country Status (4)

Country Link
EP (1) EP0235291B1 (de)
JP (1) JPS63500873A (de)
DE (1) DE3575949D1 (de)
WO (1) WO1987001136A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR007955A1 (es) * 1996-07-24 1999-11-24 Holderbank Financ Glarus Procedimiento para separar titanio y/o vanadio de hierro bruto
KR20020057680A (ko) * 2001-01-03 2002-07-12 최한천 오산화 바나듐 브리케트 제조방법
DE102007001098A1 (de) * 2007-01-04 2008-07-10 Sms Demag Ag Verfahren und Anlage zur Erzeugung von Stahl
RU2442827C2 (ru) * 2010-01-11 2012-02-20 Открытое акционерное общество "ЕВРАЗ Нижнетагильский металлургический комбинат" (ОАО "ЕВРАЗ НТМК") Способ извлечения ванадия при конвертерном переделе природно-легированного чугуна
RU2465338C2 (ru) * 2010-08-24 2012-10-27 Открытое акционерное общество "ЕВРАЗ Нижнетагильский металлургический комбинат" (ОАО "ЕВРАЗ НТМК") Способ повышения степени извлечения ванадия при конвертировании природно-легированных чугунов
RU2656125C2 (ru) * 2016-05-04 2018-06-01 Акционерное общество "ЕВРАЗ Нижнетагильский металлургический комбинат", (АО "ЕВРАЗ НТМК") Способ получения твердого чугуна
RU2641436C1 (ru) * 2016-10-06 2018-01-17 Открытое акционерное общество "ЕВРАЗ Нижнетагильский металлургический комбинат", ОАО "ЕВРАЗ НТМК" Способ извлечения ванадия из природнолегированного ванадиевого чугуна

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1598744A (de) * 1968-12-26 1970-07-06
DE2509650A1 (de) * 1975-03-05 1976-09-16 Tsnii Tschernoj Metallurg Im I Verfahren zur herstellung von legierungen, enthaltend vanadin
DE2810458A1 (de) * 1978-03-10 1979-09-20 N Proizv Ob Tulatschermet Verfahren zur herstellung von ferrovanadin-legierungen
DE3006287A1 (de) * 1980-02-20 1981-10-08 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Verfahren zur gewinnung von vanadinpentoxid-hydrat und duengemittel aus fluessigem, phosphorhaltigem roheisen mit einem siliziumgehalt von kleiner/gleich 0,1%

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE878501C (de) * 1951-05-10 1953-06-05 Huettenwerke Phoenix Ag Verfahren zum Frischen von Thomasroheisen, bei dem eine vanadinreiche Schlacke gewonnen wird
NO115556B (de) * 1967-05-31 1968-10-21 Christiania Spigerverk
SU1067057A1 (ru) * 1982-10-25 1984-01-15 Нижнетагильский металлургический комбинат Флюс дл обработки ванадийсодержащего чугуна

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1598744A (de) * 1968-12-26 1970-07-06
DE2509650A1 (de) * 1975-03-05 1976-09-16 Tsnii Tschernoj Metallurg Im I Verfahren zur herstellung von legierungen, enthaltend vanadin
DE2810458A1 (de) * 1978-03-10 1979-09-20 N Proizv Ob Tulatschermet Verfahren zur herstellung von ferrovanadin-legierungen
DE3006287A1 (de) * 1980-02-20 1981-10-08 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Verfahren zur gewinnung von vanadinpentoxid-hydrat und duengemittel aus fluessigem, phosphorhaltigem roheisen mit einem siliziumgehalt von kleiner/gleich 0,1%

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8701136A1 *

Also Published As

Publication number Publication date
DE3575949D1 (de) 1990-03-15
WO1987001136A1 (en) 1987-02-26
JPS63500873A (ja) 1988-03-31
EP0235291A1 (de) 1987-09-09
EP0235291B1 (de) 1990-02-07

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