Method and apparatus for treating waste gas containing acid and/or base

An apparatus for treating waste gas containing acid and/or base, comprising:

• a wet scrubbing system for receiving the waste gas containing acid and/or base, which comprises a gas inlet and a gas outlet;
• a scrubbing solution supplier;
• a first surfactant supplier;
• a first pH-regulating agent supplier;
• a first mixing system for receiving and mixing the scrubbing solution from the first scrubbing solution supplier, a surfactant solution from the first surfactant supplier, and optionally a pH-regulating agent solution from the first pH-regulating agent supplier to form a first mixture as a final scrubbing solution;
• and
• a first spraying system in the wet scrubbing system for receiving and spraying the final scrubbing solution from the first mixing system to allow the scrubbing of the waste gas containing acid and/or base, thereby transferring the acid and/or base contained in the waste gas into the final scrubbing solution.