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Thank you xinmin...

Hi, Does anyone heard about a free or evaluation version of an activated sludge modelling software utilizing IAWQ's ASM1 model? Thank you for you help..

Hi, Does anyone heard about a free or evaluation vertion of an activated sludge modelling software utilizing IAWQ's ASM1 model? Thank you for you help..

Thank you for your help. I think I'll use a resin system.

We can regenerate it in our workshop but required capacity is 3 tons/hr. It should be a large column which requires lots of regenerant chemicals. I don't think that will be cost-effective. I'm still on search for documentation about boron but couldn't find anything except some toxicity and...

Thanks Muggle, I have little space to place the equipment so I'm not sure a flocculator, a dosage pump with chemical storage and preperation tank(s) and probably a large sand filter will be suitable. EPA documentation may help. I will search for it. Thanks again for your answer...

Hi, I have to treat water from a well which will be used for gardening purposes. Raw water contains 2.7 mg/L boron and local standarts for irrigration water is 2 mg/L as boron accumulates in plant body. But an ion-exchange system or a RO plant isn't suitable in this situation. Is there any other...

I am an undergraduate student from Izmir/Turkey. I agree your idea. After the last earthquake in Turkey a large number of NGO's said that engineers are responsible from the casualities. And such ideas like yours have been discussed here too. But no final solution found at all.