Iron shaving coupled polyurethane composite filler with enhanced nitrogen and phosphorus removal function and application of iron shaving coupled polyurethane composite filler in water treatment
The invention belongs to the technical field of sewage treatment, and relates to a composite filler, in particular to an iron shaving coupled polyurethane composite filler with an enhanced nitrogen and phosphorus removal function and application of the iron shaving coupled polyurethane composite fil...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention belongs to the technical field of sewage treatment, and relates to a composite filler, in particular to an iron shaving coupled polyurethane composite filler with an enhanced nitrogen and phosphorus removal function and application of the iron shaving coupled polyurethane composite filler in water treatment. The invention discloses an iron shaving coupled polyurethane composite filler with an enhanced nitrogen and phosphorus removal function. The composite filler comprises waste iron shavings positioned in the middle of the composite filler and a polyurethane biological filler for clamping the waste iron shavings, the waste iron shavings are waste materials generated by cutting in the production and machining process of iron products and are of a strip-shaped spiral structure. The polyurethane biological filler is a sponge net-shaped three-dimensional structure filler made of a polyurethane material. According to the invention, the waste iron shavings are inserted into the polyurethane biologica |
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