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In our process plant we pipe concentrated Ethyl Violet in aqueous solution. We make this solution up from 'purified' Ethyl Violet powder. We are experiencing problems with our pipes blocking up. This may be due to the Ethyl Violet coming out of solution or impurities. Either way we need to...

Does anyone know if this type of Aluminium (or any other) is alkaline resistant?

I need to purchase a large amount of hopcalite or similar - can anyone give me some cheap suppliers

I need to purchase a large amount of hopcalite or similar - cab anyone give me some cheap suppliers

sreid The flow is passed through a 'canister' which has a fitted fan, so essentially there is no static pressure i.e. no pressure drop. A 4 bar air flow is passed into the mass flow controller which supplies the 500 litre/min flow . I'm out of the office till Tuesday, but will log on then...

Stewbaby Different application I'm affraid. We are passing the 500 litre/min air flow (from a mass flow controller) through a 'canister' as part of an accurate flow test station - therefore all the flow needs to be passed through any system. The air flow has to be cooled from (hot) room...

Sreid I was thinking of under £1000 and about a square foot in volume - possible? Jon

Does anyone know of a commercial product or a cheap way of cooling an air flow. I have a flow of 500 litres/minute passing through a 1/4 inch diameter pipe. The inlet air can be up to 30 degC and I need to cool it down to approximately 15 degC. The equipment preferably needs to be small...

1) Does this area just need to be air tight, or will there be a pressure differential? We will have a positive pressure differential 2) What kind of access do you need between the inside and outside of this structure? (i.e. Will you need to run any wires / hoses between the inside and outside of...

I need a 6-12 m3 air tight area for some testing. It can be a room or a large sturdy 'bag'. It must be very cheap. Any ideas?

I need to run different fans at room temperature for approx. 12 hours at a time and need them to be run by battery power (the smaller/lighter the better). Can anyone advise me on what type of battery I need. Type of fans: i)12V, 0.38A, 4.56W ii) 12V, 1.1A, 13.2W Regards

I need to run different fans at room temperature for approx. 12 hours at a time and need them to be run by battery power (the smaller/lighter the better). Can anyone advise me on what type of battery I need. Type of fans: i)12V, 0.38A, 4.56W ii) 12V, 1.1A, 13.2W Regards

I need to run different fans at room temperature for approx. 12 hours at a time and need them to be run by battery power (the smaller/lighter the better). Can anyone advise me on what type of battery I need. Type of fans: i)12V, 0.38A, 4.56W ii) 12V, 1.1A, 13.2W Regards

Does anyone have any 'capacity' or 'rate of reaction' results for Toshiba's new lithium-silicate based ceramic for CO2 absorption??

A strange question I know, but does anyone know of a coating/paint that has the ability to absorb CO2??

Is there any kind of membrane that can have room temperature 'air' passed through it and have mainly CO2 come out?