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A CARBON DIOXIDE STRIPPING UREA PLANT WITH A NATURAL-CIRCULATION SYNTHESIS LOOP AND A METHOD FOR RETROFITTING SUCH PLANT
A CARBON DIOXIDE STRIPPING UREA PLANT WITH A NATURAL-CIRCULATION SYNTHESIS LOOP AND A METHOD FOR RETROFITTING SUCH PLANT
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机译:具有自然循环合成循环的二氧化碳剥离尿素厂及其精制方法
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摘要
A plant for synthesis of urea with a CO2-stripping process, comprising a natural-circulation synthesis loop, said loop including at least a urea reactor (1), a carbon dioxide stripper (2) and a condenser (3), said reactor, stripper and condenser operating substantially at the same elevated pressure, said loop comprising also a reactor effluent flow line (5), connecting said urea reactor to said stripper, which comprises means (15) for directly or indirectly detecting the flow rate and/or the direction of the flow through said reactor effluent flow line (5).
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