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No, light does not reach this area.

Dear Friends We are using resin beds for generation of Demineralised water at our facility. Feed water is from a river and is coagulated, filtered, clarified and chlorinated before being fed to this demineralisation unit. Off late, we are observing very high level of algae formation in the...

Dear Friends What should be minimum velocity in the a pipeline containing SBR latex (20-25%) and water (75-80%) to prevent choking / fouling? Transfer is by pressure difference. Thanking you in anticipation please. Shashank

Hello Friends We are facing external leakage (gasket) from a plate and frame exchanger. It happens only when the flow rate is increased beyond a certain value. Exchanger is supplied by Alfa laval. Request suggestion for possible causes which can result in leakage with increased flow rate...

Dear Friends What should be the criteria for design of fire water sprinkler based cooling system for Tri ethyl aluminum cylinder storage area? Objective is to provide protection against heat flux from external fire. Which code and what density is to be used? Thanking you in anticipation...

Thanks Bimr The installation has been in service for about eight months now. OLR is 2Kg COD/M3/Day, upflow velocity 1.5m/hr. Temperature is 38 Deg C. TSS in outlet is 100 ppm Wastewater does not contain surfactants Anti foam has not been tried.

Hello everyone We are operating UASB reactors for treatment of waste waters from a petrochemical plant. We are observing foaming at the outlet (Treated water) from the reactor. We also observe effervescence of gas from the foam. Request for possible reasons which may be resulting in this...

Hello everyone We are installing a pilot operated relief valve on a process line. This relief valve is downstream of a bursting disk (bd). We are debating if the location of the pilot inlet should be downstream of bd or from the main process line. Request your kind input please. Thanking you...

Dear Friends Any experiance with the reliability of Tower mounted remote operated long range fire water monitors as protection for fires at higher elevations (>45 meters)? Thanking you in anticipation please. Regards Sgoel

Dear Friends We are evaluating use of sand filled trenches for laying of fire water mains vis-a-vis burried design. Request following information: 1. Is this design used in refining/petchem industry? 2. how do you protect the piping from external corrosion from leaked rainwater? 3. would...

We have a column with accumulator tray in the middle. There is a side draw from accumulator tray. There is a pump around provided to next tray from accumulator tray. This stream is just circulating from accumulator tray to next tray through pump around pump. This liquid could have just overflown...

We have a equipment for filteration of solid from mother liquor. This equipment uses air to dry the cake after filetration cycle. This drying air is also routed out through filterate line going to downstream equipment. This results into splashing of liquid in the tank. We would like to provide...

Hello All Is it possible to predict normal paraffins in a Kerosene stream with any of the physical property parameters. Purpose is to have simple go/no go test for use as a feedstock. Thanking you in anticipation please. Best Regards

Hello everybody We are having a stream having 95 %by wt normal decane. Rest 5 % is made up of n-nonane. Can you please suggest pottential use of this stream? Regards S Goel

It is 124 TMB. regards

Whata are the standards available for process interconnections to utilities. I am specifically looking for Nitrogen connections to process lines. Thanking you in anticipation please. Best Regards

Hello Everybody I am working on a pseudocumene feasibility project.What is the approximate Global supply/demand scenario for pseudocumene? Thanking you in anticipation. Best Regards

Dear Friends Has anybody used enotec's COe analysers for measuring CO and combustibles in heater flue gases? If yes could you please share the experiance? Thanking you in anticipation please. Best Regards SGoel

No , Piston does not have a weep hole.

Art Sorry for creating a confusion. Compressor is a two stage double acting reciprocating compressor.First stage suction and discharge pressures are 2.1 barg and 7.0 bar g respectively, whereas second stage suction and disharge pressures are 6.8 and 25.0 barg respectively. The piston in...