Oil Removal / Filtration

Try using chamois leather. When moistened with the same type of oil you are using, it will trap the water while allowing the oil to pass through. It may be the opposite of what you are trying to achieve but it still meets the goal of separating the oil and water.

Alternately, you may want to use a grease trap. It is a simple matter to make one of your own. Simply use a plastic box of several water-tight compartments. Drill holes and install T-joints in a staggered pattern through each compartment, including the outlet. Install an inlet funnel at the end opposite the outlet. Ensure that the outlet T-joint for this end is at the opposite side of the box. Finally, fill the box full of water. Pour in your oily water. The oil will float on top and be trapped on the surface by the T-joints while the clarified water will pass through. Obviously, the first few times you use it, the clean water you originally filled the box with will flow out, but after several uses the first batch of wastewater you disposed in it will pass out.

Perhaps you should use oil absorbant pads or a good degreaser that not only removes grease and oil but also destroys their hydrocarbon molecular structure and convert them into ordinary organic matter. This organic matter will be consumed by native bacteria and thus the oils and grease do not remain in water. There are products like Solpar, biosolve, Encapsol and others. You should try them. Grease traps are always a problem as once they get clogged, they are a bigger problem than a solution. These products act instantaneoulsy

Glass separatory funnel or decant using flask.

What is quantity?

milo

They make oil skimmers commercialy. All kinds, from rope to weirs just foe this purpose.

Where are you? Give more process details.

I'm in Detroit and work in the auto industry. Much of our equipment uses a combination of oil lubrication and water based cooling.

Oil Skimmers are used to sepreate the two, usually the oil from the water. One type is nothing more tham a rope loop on a wheel. The rope travels through the oil layer ans it clings to the rope. The rope passes through as press roller where the oil is removed and than back into the vessel. I have seen plastic disks used in the same fashion. Hope I was clear and or helpful.

Where do you work Yani, I'm here too.

American Axle

A simple dry clay filter can be used and the oil will be asorbed by the clay. you can even use kitty-litter if you dont mind pouring the water through several times.

Clay won't absorb moisture?

Despite the garbled english, it appears that the original poster's intent is to recycle oil.

How exactly does one recycle clay contaminated oil?

milo "my cat must be urinating oil, cuz its absorbed by his litter"

Answer is : ElectroCoagulate the Oil from the water mix.Google for Suppliers

Maybe a small side loop.

Worth any time-

:avoids polluting the city sewers,kind on your bottomline, keeps you safe from EPA

If the oil content is substantial, then it is advisable to use a good demulsifier and let the oil float cleanly to the top. Top skimming using an overflow is the easiest way to recover oil from the oil-water emulsions. Normally, when you use a very good demulsifier, water will be totally oil free and can be re-used or released to drainage. If the oil content is very low, then it is not worthwhile doing the recovery and its best to disintegare the oil into biodegradable organic matter. Skimmers are a slow process, they are not clean and most of the times, they have more problems than solutions.

Hi Mohan

To remove the oil from the water you can use liquid/liquid coalescer (L/L), the shape is like a filter but have different function but you have to considering the cleanliness of the mixed fluid other wise the coalescer will experiencing the short life. Another technology that you can use is centrifugal separator, owning cost is high but operating cost is low.

Hope this help.

Djunaidi