The phrase "a separate chamber" is correct and usable in written English.
It can be used to refer to a distinct room or space that is set apart from others, often in a formal or technical context.
Example: "The laboratory is equipped with a separate chamber for conducting experiments that require controlled conditions."
Alternatives: "an isolated room" or "a distinct compartment".
The cathode can be in a separate chamber (i.e. double-chambered MFCs) or in the same chamber (i.e. single-chambered MFCs).
He has proposed a separate chamber, or possibly a whole separate court, just to handle antitrust cases.
Britten turns Owen's poems into reflections on war, sung by tenor and baritone soloists accompanied by a separate chamber orchestra.
Their nests can contain from one to six pairs, each with a separate chamber and entrance hole... Writer visits 325 Hudson Street, which is a switch hotel..
Theirs is a special suffering, a separate chamber, the dimensions of which materialize at the New England Medical Center pain clinic in downtown Boston.
Chants of "down with the military regime," intermittently pierced the thick walls of the cage, with Morsi himself obscured from view in a separate chamber.
Using the text of the Roman Catholic Mass for the Dead and poetry by Wilfred Owen, a British soldier killed in World War I, the "War Requiem" mingles elements of monumental public statement with more intimate utterances, those typically being relegated to the tenor and baritone soloists and a small, separate chamber orchestra.
Another interesting approach is the moving biofilm MBR (BF-MBR) (Leiknes and Odegaard 2007), where the biomass is supported on floating carriers in an aerated chamber and membrane filtration is performed in a separate downstream chamber.
The CHC represents a separate cooled chamber which is equipped with a magnetic system and is connected to a discharge chamber through an orifice.
The propellant chamber was perforated by a number of partially completed, carefully sized holes leading into a separate expansion chamber within the cartridge case.
Originally part of the king's court (Parlement), it was established in 1320 as a separate, independent chamber.
