System for regenerative thermal oxidation of crude gas, the system comprising a combustion chamber and a plurality of regenerators (30, 32, 34, 36, 38, 40, 41), which each have a regenerator chamber (42, 44, 46, 48, 50, 52, 54) that communicates with the combustion chamber and contains a heat exchanger, the system comprising a feed line for feeding crude gas into a crude gas line, the feed line communicating with the crude gas line through a separation device, the separating device separating suspended particles in crude gas fed into the crude gas line from the feed line, the system comprising a clean gas line for discharging clean gas, a regenerator chamber (42, 44, 46, 48, 50, 52, 54) of a regenerator (30, 32, 34, 36, 38, 40, 41), independently of the regenerator chambers (42, 44, 46, 48, 50, 52, 54) of the rest of the regenerators (30, 32, 34, 36, 38, 40, 41), being able to be optionally connected to the crude gas line and separated from the crude gas line via an adjustable crude gas shut-off element (64, 66, 68, 70, 72, 74, 75), as well as optionally connected to the clean gas line and separated from the clean gas line via an adjustable clean gas shut-off element (76, 78, 80, 82, 84, 86, 88), and the system comprising a burnout gas line which has regenerator chamber connection points (96, 98, 100, 102, 104, 106, 108) which are each associated with the different regenerator chambers (42, 44, 46, 48, 50, 52, 54), the regenerator chamber (42, 44, 46, 48, 50, 52, 54) of each of the regenerators (30, 32, 34, 36, 38, 40, 41), independently of the regenerator chambers (42, 44, 46, 48, 50, 52, 54) of the rest of the regenerators (30, 32, 34, 36, 38, 40, 41), being able to be optionally connected to or separated from the associated regenerator chamber connection point (96, 98, 100, 102, 104, 106, 108) of the burnout gas line via an adjustable gas flow control element (110, 112, 114, 116, 118, 120, 122), characterized in that the burnout gas line receives burnout gas containing solids from the regenerator chambers (42, 44, 46, 48, 50, 52, 54) and is connected to the feed line at a connection point (94, 94') arranged upstream of the separating device. the system comprising a clean gas line for discharging clean gas, a regenerator chamber (42, 44, 46, 48, 50, 52, 54) of a regenerator (30, 32, 34, 36, 38, 40, 41), independently of the regenerator chambers (42, 44, 46, 48, 50, 52, 54) of the rest of the regenerators (30, 32, 34, 36, 38, 40, 41), being able to be optionally connected to the crude gas line and separated from the crude gas line via an adjustable crude gas shut-off element (64, 66, 68, 70, 72, 74, 75), as well as optionally connected to the clean gas line and separated from the clean gas line via an adjustable clean gas shut-off element (76, 78, 80, 82, 84, 86, 88), and the system comprising a burnout gas line which has regenerator chamber connection points (96, 98, 100, 102, 104, 106, 108) which are each associated with the different regenerator chambers (42, 44, 46, 48, 50, 52, 54), the regenerator chamber (42, 44, 46, 48, 50, 52, 54) of each of the regenerators (30, 32, 34, 36, 38, 40, 41), independently of the regenerator chambers (42, 44, 46, 48, 50, 52, 54) of the rest of the regenerators (30, 32, 34, 36, 38, 40, 41), being able to be optionally connected to or separated from the associated regenerator chamber connection point (96, 98, 100, 102, 104, 106, 108) of the burnout gas line via an adjustable gas flow control element (110, 112, 114, 116, 118, 120, 122), characterized in that the burnout gas line receives burnout gas containing solids from the regenerator chambers (42, 44, 46, 48, 50, 52, 54) and is connected to the feed line at a connection point (94, 94') arranged upstream of the separating device.