The attached articles might be helpful.

You need use separate of Tools (cutting) which are coming with the capability.

MQL replaces the flood coolant, in which the coolant is supplied by high pressure air. Separate arrangement is needed for MQL technique.

Yes, you need special equipment. There are several companies offering solutions adequate for labs.

Best would be to get a portable MQL machine where air pressure and flow rate can be set manually which will allow you to test a variety of air pressures and coolant flow rates during your milling tests. have a look online for suppliers in your country or abroad if possible.

 http://neardrymachining.com/01D0-STD_02D0-STD.htm

The single nozzle and coolant b3000 has performed excellent.

 Modifying the coolant exit as needed such as 1/8"od.x1/16"id copper for cutters 1/2" dis, and below.

This German manufacturer is one of the more importants in the world:

http://www.steidle-gmbh.de/english/produkte/index.html

Kindly go through this paper, it will help you a lot.

As it has been already suggested, you can procure and use various commercial systems already available.

We developed our own system using a medical grade dosing pump. The details can be found in the ResearchGate profile of Amit Choudhary. You may refer to:

Article An investigation on application of nano-fluids in high speed...

Article Effect of minimum quantity lubrication on surface integrity ...

https://www.sciencedirect.com/science/article/pii/S152661251831380X