NOVELTY - A biogas excessive nitrogen and phosphorus film photobioreactor comprises air pump (5), air pump outlet which is connected with microalgae culture tank (3), hollow fiber membrane (7) which is embedded in photobioreactor membrane (6), microalgae culture tank outlet and photobioreactor membrane which are connected to each other, 2nd peristaltic pump (4) containing inlet which is connected to photobioreactor membrane outlet and pump outlet which is connected to microalgae culture tank, 1st peristaltic pump (2) which drives water in storage tank and photobioreactor, and slurry storage tank (1).    USE - A biogas excessive nitrogen and phosphorus film photobioreactor (claimed).    ADVANTAGE - The photobioreactor has excellent material retention and entrapment characteristics, removes suspended solids and harmful substances, maintains growth of microalgae, improves microalgae slurry nitrogen and phosphorus absorption rate, and requires short processing time.    DETAILED DESCRIPTION - A biogas excessive nitrogen and phosphorus film photobioreactor comprises air pump (5), air pump outlet which is connected with microalgae culture tank (3), hollow fiber membrane (7) which is embedded in photobioreactor membrane (6), microalgae culture tank outlet and photobioreactor membrane which are connected to each other, 2nd peristaltic pump (4) containing inlet which is connected to photobioreactor membrane outlet and pump outlet which is connected to microalgae culture tank, 2nd microalgae peristaltic pump which drives mixture in microalgae culture tank and photobioreactor membrane in circulating flow, biogas storage tank which is connected with photobioreactor lower inlet and outlet, 1st peristaltic pump (2) which drives water in storage tank and photobioreactor, and slurry storage tank (1).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the biogas excessive nitrogen and phosphorus film photobioreactor.    Slurry storage tank (1)    1st peristaltic pump (2)    Microalgae culture tank (3)    2nd peristaltic pump (4)    Air pump (5)    Photobioreactor membrane (6)    Hollow fiber membrane (7)