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Recent content by sansub

  1. sansub

    Furnace Coil External Cleaning

    Hi I would like to know about any speacial procedures adopted for cleaning the external surfaces of the convection coil tubes in oil fired furnaces. thanks ks
  2. sansub

    Sulfur slippage

    Hi all We run a CRU unit with a Pt-Sn bimetallic catalyst. Recently we faced sulfur slippage into our CRU reactors due to disturbance in our Hydrotreater section. The designer(IFP) says, that after sulfur slippage, the COT has to be reduced and Hydrogen sweeping has to be done till the recycle...
  3. sansub

    Tube to Measure moisture in Recycle gas

    Hi all This is regarding CCRU We have Draeger and MSA tubes to measure HCl and H2S content in our recycle gas. But we are unable to find a suitable tube to measure the moisture content in the recylce gas. Required range would be 0 - 200 ppm. Would anyone suggest a company that has tubes of...
  4. sansub

    Chloride in Recycle gas

    HI all I would be happy to know the range of chloride that should be present in the recycle gas of a reforming unit (both CCR and SR). Thanx all sansub
  5. sansub

    Freon leak detection

    Hi quark Nice to hear from u. We have been trying with soap solution since a few days. But i would be happy to know any chemical that would be more sensitive to freon leak, like Hydrochloric acid for ammonia leak detection. Hope u get my point.
  6. sansub

    Freon leak detection

    HI all We have a freon refregiration system in our Nitrogen plant. Of late we are facing problems in the cooling efficiency of the system even after overhauling of our compressors due to susupected freon leak in the system.I would like to know a way to detect mild Freon leaks from the system.
  7. sansub

    Calculation of Furnace heat duty

    Dear colleagues I would like to know where i would be able to get formulae for calculating furnace heat duty.
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