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气浮絮凝前处理是提高炼油污水生化处理达标率的关键。用研制的HIHON＋TIDI复合絮凝剂投入工业运行试验，取得了明显的效果。
Float flocculation pre-treatment is to improve the biochemical treatment of oil refinery compliance rate of the key. With developed HIHON + TIDI composite flocculant into industrial operation test, and achieved significant results.