Industrial Sewer Design

Industrial sewers, such as refinery sewer systems do not tie into municipal systems for two reasons:

Refinery waste products are not compatible with prevalent sanitary sewage treatment. Spent cooling water from a refinery can equal or exceed the flows expected in a municipal sewer system.

To prevent waste products from entering rivers and lakes, almost all large industrial plants have facilities to separate and collect waste products. Refinery and chemical plant sewers flow by gravity and are usually partially filled.

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