... ; Use of special anti-corrosion processes and materials, system main equipment life up to 30 years. Wet flue gas desulfurization MgO ... sulfur dioxide, absorption speed, high efficiency desulfurization; System is reliable, equipment without clogging, scaling and other issues; Consumed less magnesium, system ... high purity, liquid efflux less. limestone-gypsum FGD system for carbon black plant