Gas buster can be also called as poor boy degasser, mud gas separator. 
GN standard gas buster is ZYQ1000, with 39.4 inch diameter, 1400GPM treating capacity, dimension is 2000 mm diameter x 5860mm height, weight is 2000kgs. Fluids intet pipe diameter is 4inch, fluids outlet pipe diameter is 8 inch, gas discharge pipe diameter is 8inch, we can made customized pipe dia if the required qty is large.
Gas buster is normally used together flare ignitor, after the dangerous gas is separated out, they use a flare ignition device to burn it.