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Hi, Please could you help me,I can't understand why we add water to some alkylation catalyst. According to the licensor it will increase the performance of catalyst. Best regards.

Dear Members I am new pipeline designer Please help me on Benzene unloading pipeline design technologies ,I am also confused about steam tracing or electric tracing, Project requirement : 4'' diameter pipeline / total = 4 km / delivery to storage tank. Benzene Specification : Density = 884 kg/m3...

Hi; I want to calculate the overfilling time of a distillation tower in case of blocked outlet . So i have to consider the height of the column from the bottom till the feed nozzle or the gas outlet nozzle on the top.Is there a specific way to calculate it or any other considerations. Best regards.

Hello everyone, could you please explain the impact of adding 1/benzene to gasoline 2/heavy aromatic to (gasoil)diesel Best regards.

HI, We plan to Install a Gas Turbine but The temperature and humidity of the outside air vary depending on the date and time and can reach the following values: Relative humidity 72% Maximum ambient temperature 47 c° The question that arises is the following: Is the performance of the turbine...

Hello all, Can some one help me to calculate the quantity of hydrogen necessary for the desulfurization of natural gas knowing that : gas flow=217 kg/h Total sulphur content (ppmw)=40 Required toal sulphur (ppmw)=1 Is there a good practice wich help to minimise the consumption of H2 knowing...

Hi, Could you please explain what is valve to valve operating manual. Best regards

Hi Please could an expert explain why we should specify the reference O2 dry condition to apply the flue gas emission limits at GTG stack and boiler stack. Best reagards.

Hi If summer or winter Performance Test conditions are not observed during Performance Test, then how will carryout Summer or winter Performance Testing as per actual site conditions KIND REGARDS

Hi, I need your help to prepare the list of laboratory equipements and tools for our new utilies. N2 liquid,industrrial water,cooling water,demin water,Boiler feed water,potable water Kind regards.

Hi all Is it necessary to consider monsoon weather conditions for HVAC heating & cooling load calculations? If yes, what is the wise monsoon weather conditions should i take into consideration? Kind regards

Hi, Does anyone know if there is a regulation, standards, practices (in any country) which allows to evaluate the possibility of routing two products in the same transfer line and the same loading arm? The situation I am thinking of is that linear alkyl benzene and ethylene will be transferred...

HI, I am a beginner in the study of engineering and i need your help Is it wise to consider 20% over design for all utility to cover any change expected in process during engineering? Please advice. Best regards

HI I need your help Can we direct an effluent that does not contain H2S only traces of NH3 with a large flow to the sour water system instead of HC close draIn to mix it with an acid flow that contains a significant quantity of H2S to be stripped. BEST REGARDS.

hi every one, please i need your help what is the best configuration for the Demineralized water 2*100% mixed bed adsorber or cation exchanger, anion exchanger and degasser upstream the mixed bed adsorbers. best regards

HI I need your help Can we direct an effluent that does not contain H2S only traces of NH3 with a large flow to the sour water system instead of HC close draIn to mix it with an acid flow that contains a significant quantity of H2S to be stripped. SLTS.

HI, could you please expalin : what is the role of the two nitrogen purges and control of pressure . what will be the impact on the vaccum system in case of failure of the the PCV 100 % open. vaccum sytem is Multi-Stage Vacuum System with A/2 rotary lobe blower B/2 intercooller C/ 1liquid...

hi dears, I am trying to find a solution for the cooling water basin due to hydrocarbon contamination the water collector is equipped with a hydrocarbon analyzer the return water passes through cooling towers and i fear the evaporation of hydrocarbons leading to fire. possible contaminations...

Hi could you pleases explain how this of this distributor operate? is there a relation with flow regime? the fluids that pass through the distributor are HC (Liquid) and H2 (vapor) Best regards...

Hi, How can we modulate the control of air plant if we would like to install a manager compressed air power plants ES4 (Atlas Copco)? The current control is based on A low-low pressure switch (PSLL) on the instrument air receiver, set at 4 bar g, closes the air supply valve to the plant air...