What is the size of dissolved oil droplets?

The elements that cause a filter to loose hydraulic capacity are referred to as __

What is the colour of the emulsion?

What is the retention time for lamella clarifiers?

What is the size of the oil droplets?

How much spacing should be provided in between the tubes?

What is the range of overflow rate for circular clarification unit?

What is the common effluent pipe from each house to a collection point called?