Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
  • C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
  • C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
  • C07C29/1516—Multisteps
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P20/00—Technologies relating to chemical industry
  • Y02P20/50—Improvements relating to the production of bulk chemicals
  • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Definitions

• the area of technology is subject to the main area of the synthesis, and more precisely, to the methods of delivery
• the exhaust gas is supplied to the second stage by contacting it with a copper-containing catalyst in a circulating system. - 2 - at the same temperature, pressure and volumetric velocity of the gas mixture, which are indicated for the first stage. Those who were at the second.
• the stages of methane and water separate the circulating gas mixture (Ov, ⁇ , 1259945).
• the basic invention has a task in a two-stage method of producing methane from a gas mixture
• the composition of the water in the gas mixture, obtained after the first stage, and, consequently, the productivity of the gas regulator is controlled by the volumetric gas mixture, is connected to the tank.
• the concentration of water in the gas mixture be maintained at the outlet of the industrial stage at a rate of 0.02.
• EFFECT contacting at temperatures below ⁇ 90 ° C is inappropriate, since the process is 5% inactive due to low activity. An increase in temperature above 290 ° C is inappropriate due to unfavorable thermodynamics of the reaction of the methanol synthesis and pressure loss. 10 The process at the front and second stages is supplied at a pressure of 5-10 PSa.
• the lower part of the volume is ⁇ 2 / ( ⁇ 0 + ⁇ 0 2 ), - ⁇ - Exact 2, it is inappropriate to reduce the hydrogen content in the original gas mixture below the temperature, but in the past, it is not possible to carry out 5 ⁇ e ⁇ ny ⁇ edel ⁇ ⁇ bemn ⁇ mu ⁇ n ⁇ sheniyu ⁇ 2 / (C0 + C0 2), 3.65 ⁇ av- ny, ⁇ edelyae ⁇ sya ⁇ em, ch ⁇ ⁇ i b ⁇ lee vys ⁇ i ⁇ ⁇ n ⁇ - sheniya ⁇ ⁇ is ⁇ di ⁇ znachi ⁇ eln ⁇ e na ⁇ lenie v ⁇ d ⁇ da in gaz ⁇ v ⁇ y mixture ⁇ s ⁇ u ⁇ ayuschey on v ⁇ uyu s ⁇ adiyu, and s ⁇ - a significant increase in its content in the gas mixture,
• the product 15 is due to the content of water in the original gas mixture.
• the product is free from water (1.38% by volume). It is necessary to maintain a high pressure on the product.
• Carbon dioxide is charged to carbon dioxide equal to 0, 25-87, and the volume of carbon dioxide is 2–6.65 times the amount of carbon dioxide.
• the indicated gas mixture with a pressure of 5-10 ⁇ Pa is fed to a heat exchanger where they are heated to a temperature of ⁇ 90-290 ° ⁇ .
• the 10th call mixture is consequently through condensate and steam.
• the gas mixture escaping from the unit, containing carbon dioxide, carbon dioxide and hydrogen, is consumed in the second stage, which is the source of the reaction to the product.
• this gas mixture is consequently through an condensate and a vaporizer.
• the proposed method is the content of carbon monoxide and their volumetric ratio (C / C ⁇ ) in the gas
• the 10 initial gas mixture is 140,000 nm 3 / h.
• the gas mixture coming out of the direct reaction has the following composition,% vol. Carbon dioxide - 9.6, carbon dioxide - 9.75, hydrogen - 53.54, nitrogen - 6.14, 0-, 9o, 0- , 78. Gas mixture indicated
• the gas mixture escaping from the unit (79133 3 / hr) is sent to the second stage, which is carried out in the process of circulating the gas mixture with a total volume of 105.
• 25 ⁇ réelle ⁇ is equal to 268 ° ⁇ .
• the pressure in the process is 8 PS.
• they use the same catalytic converter, which is also at the first stage, in the amount of 60 m 3 .
• the flow of the circulating gas mixture is 679133 nm 3 / h.
• the circulating gas mixture leaving the process has the following composition,% (%): carbon dioxide - 2.9,
• Usl ⁇ viya ⁇ susches ⁇ vleniya ⁇ edlagaem ⁇ g ⁇ s ⁇ s ⁇ ba on v ⁇ - ⁇ y s ⁇ adii, s ⁇ glasn ⁇ ⁇ ime ⁇ am 1-8 and ⁇ a ⁇ zhe ⁇ ezul ⁇ a ⁇ y, ⁇ luchennye on e ⁇ y s ⁇ adii, ⁇ ivedeny in ⁇ ablitse 2.
• Summa ⁇ nye ⁇ ezul ⁇ a ⁇ y ⁇ two s ⁇ adiyam ⁇ edlagaem ⁇ g ⁇ s ⁇ s ⁇ ba, s ⁇ glasn ⁇ ⁇ ime ⁇ am 1-8 ⁇ ivedeny in ⁇ ablitse 3.
• composition of the gas mixture ob ⁇ ⁇ u input / output
• the starting gas mixture nmz / h 94000 140 000 120 000
• composition of the catalyst for primary components wt.%:
• the volume of catalysis is 3 ⁇ réelle in a single facility, m 30 20 - ⁇ - ⁇ . -
• the starting gas mixture mg / h 280,000
• the starting gas mixture nm 3 / h 50,000 90,000
• the volumetric velocity of the gas mixture at the entrance to the reactor h-100,000 60,000
• volumetric gas velocity in the inlet h • • 9333 7410 5600 4000
• volumetric circulation of the gas circulating gas mixture at the entrance to the processing unit part 9806 ⁇ 9 10000
• composition of the circulating gas mixture v.%: Input / output
• volumetric displacement of the circulating gas mixture at the inlet to the outlet h-10000 10000 12244 12250
• volumetric flow rate of the circulating gas mixture at the inlet to the processing unit part number 12573 15000 7000
• the method produces 32 ⁇ / h of methane, which is 1.7–3 times less than the proposed method.
• the proposed method of producing a metal allows a significant increase in the efficiency of the copper to increase the increase in efficiency.
• the proposed invention can be found in the international synthesis for the receipt of a large supply of 5-methane.

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Citations (3)

• 1987
  • 1987-07-23 PL PL1987266975A patent/PL266975A1/xx unknown
  • 1987-07-23 GB GB8806616A patent/GB2203427B/en not_active Expired - Lifetime
  • 1987-07-23 CN CN198787105309A patent/CN87105309A/zh active Pending
  • 1987-07-23 WO PCT/SU1987/000082 patent/WO1988000580A1/ru unknown
  • 1987-07-23 DE DE19873790376 patent/DE3790376T1/de not_active Withdrawn
  • 1987-07-23 RO RO13270987A patent/RO100569B1/ro unknown
  • 1987-07-23 JP JP62504982A patent/JPH01500436A/ja active Pending
  • 1987-07-23 IT IT41641/87A patent/IT1220038B/it active

Patent Citations (3)

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