| 摘要 |
FIELD: waste water treatment. ^ SUBSTANCE: biological waste water treatment installation has oil remover, sewer pipelines, and inspection shafts. The latter are provided with hydraulic gates with upright pipe smoothly transforming into ejection cone and can contain immobilized microorganism stains. ^ EFFECT: enabled use of any sewer systems required only simple reconstruction. ^ 2 cl, 2 dwg |
