Culturing Spirulina platensis using wastewater was a microagla engineering with greatly applied potential. The ferment wastewater of monosodium glutamate was a kind of organic wastewater with high concentration of COD and NH/-N, it also had plentiful inorganic salts. Letting the wastewater directly was not only a pollution but also wasting many available nutrient matters in it. If culturing Spirulina platensis using the ferment wastewater of monosodium glutamate was feasible, the alga could be used as feed ...