Culture medium and culture method for culturing haematococcus pluvialis by using brewery wastewater

[0021] 1) Beer wastewater pretreatment method: Beer wastewater needs to be pretreated before it is used to grow algae. The method is: first filter the wastewater with a 60-mesh sieve to remove floating objects, glass slag, hair, sediment, leaves, plastic bags, etc. For larger solids, the sewage is introduced into the cement aeration tank with a length of 30 meters, a width of 15 meters and a depth of 0.8 meters. The pool is oriented east-west to receive more sunlight; the water depth is kept at 65 cm; Add 45 grams of quicklime to the sewage and sprinkle quicklime evenly (it is best to add 1 kg of quicklime to 5 liters of pure water in advance, dissolve, dilute, stir in a plastic bucket, and then sprinkle the whole pool), every 30 minutes, and then press the amount of water per cubic meter. Add 25 grams of rice sewage to the whole pool and sprinkle alum (alum is preferably dissolved in a plastic bucket in the amount of 100 grams plus 2 liters of pure water in advance, diluted an...