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Micro bubble residue in pulp is a subtle but stubborn source of paper quality defects. In the process of pulp stirring, dilution, conveying and circulation, a large number of tiny invisible bubbles will be mixed into the pulp. These micro bubbles cannot be eliminated by conventional defoaming equipment and remain stably in the pulp suspension system. During paper web forming, residual micro bubbles will form tiny pinholes, voids and thin spots on the paper surface, resulting in uneven paper density, reduced local strength and inconsistent ink absorption. A large number of residual bubbles will also reduce pulp drainage efficiency, slow down forming speed, restrict paper machine operating speed, and cause periodic paper breakage in high-speed production. Long-term bubble residue will also lead to loose fiber interweaving structure, affecting the overall compactness and flatness of finished paper. Conventional defoamers only eliminate large visible bubbles and have poor removal effect on micro bubbles, and excessive dosage will affect pulp activity and paper printing performance. Shandong Ludao Energy Technology Co., Ltd. provides professional pulp micro bubble removal solutions. By adopting efficient micro-defoaming and bubble-inhibiting technology, we thoroughly eliminate residual tiny bubbles in pulp and inhibit secondary bubble generation. The solution optimizes pulp suspension uniformity and drainage performance, eliminates bubble-induced pinhole and thin-spot defects, stabilizes high-speed machine operation, and comprehensively improves finished paper surface fineness and structural uniformity.