Core Technology
Core Technology
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Core Equipment
Catalyst
Butadiene Production Technology (RHBD)
Summary:
Ruihua butene oxygen-rich dehydrogenation of butadiene technology using different feed methods, different feed composition, can solve the traditional oxidative dehydrogenation process two-stage reactor blockage, extend the catalyst operation cycle. Due to the change of feed composition, the energy consumption of the whole plant is greatly reduced.
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Detailed description
Application areas
Ruihua butene oxygen-rich dehydrogenation of butadiene technology using different feed methods, different feed composition, can solve the traditional oxidative dehydrogenation process two-stage reactor blockage, extend the catalyst operation cycle. Due to the change of feed composition, the energy consumption of the whole plant is greatly reduced.
Ruihua has carried out a detailed study on the existing butene oxidative dehydrogenation device, and can make a reasonable transformation of the existing device. After a large number of experimental verification, the conversion rate of Ruihua oxygen-enriched dehydrogenation to butadiene is 2 to 3 percentage points higher than that of the traditional process. According to scientific verification and calculation, safety can also be guaranteed.
Ruihua can also treat the alkynes produced in the oxidative dehydrogenation process. Selective hydrogenation to remove alkynes into butadiene, butene, etc., can reduce material consumption, resulting in a certain economy.
Ruihua has done a lot of work in the heat exchange network and developed a low-level heat recovery method.
Process characteristics
Treatment of isobutene in raw materials (self-polymerization)
The concentration of oxygen changes (nitrogen concentration is reduced, according to the requirements of the appropriate amount of adding other diluents)
Different ways of feeding
Reasonable means of heat extraction between sections
The use of integrated heat exchange networks, such as heat pumps, ensures the recovery of low-grade heat energy.
Selective Hydrogenation Technology of Alkynes
Improve effectiveness
Solve the problem of blockage of the evaporator, start-up cycle growth
Reduced polymer production in the reactor
Low energy consumption (large amount of nitrogen in the original process)
Waste water reduction
The use of heat pump technology reduces the loss of low-grade heat energy.
Oxygen enrichment technology adds the rest of the diluent, avoiding the risk of the presence of oxygen
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