| 摘要 |
One or more embodiments of the present invention provide a method or a composition for suppressing contamination of tar at a part where scrubber water used for coke oven gas refinement makes contact. One or more embodiments of the present invention relate to a composition that is to be added to scrubber water used for coke oven gas refinement and that is used for suppressing contamination of tar at a part where the scrubber water makes contact, and the composition contains at least one surfactant selected from the group consisting of aqueous nonionic surfactants and anionic surfactants. |
