| русский | rus-000 |
| очистка сточных вод | |
| العربية | arb-000 | معالجة مياه المجاري |
| беларуская | bel-000 | ачыстка сцёкавых водаў |
| 普通话 | cmn-000 | 污水处理 |
| English | eng-000 | effluent treatment |
| English | eng-000 | produced water conditioning |
| English | eng-000 | purification of sewage |
| English | eng-000 | sewage purification |
| English | eng-000 | sewage treatment |
| English | eng-000 | treatment of sewage |
| English | eng-000 | treatment of waste water |
| English | eng-000 | waste treatment |
| English | eng-000 | waste-water treatment |
| English | eng-000 | wastewater treatment |
| English | eng-000 | water treatment |
| français | fra-000 | traitement des eaux usées |
| français | fra-000 | épuration des eaux usées |
| 日本語 | jpn-000 | 下水処分 |
| にほんご | jpn-002 | げすいしょぶん |
| нихонго | jpn-153 | гэсуй-сёбун |
| español | spa-000 | depuración de aguas cloacales |
| español | spa-000 | tratamiento de aguas cloacales |