1, BOD: nitrogen: phosphorus = 100:5: 1 (calculated by increasing carbon source)
Carbon source: methanol 2800 yuan/ton is preferred (the disadvantage is flammable and explosive); Acetic acid (expensive); Sodium acetate (more expensive).
Second, choose; Industrial glucose, the price is about 2500 yuan, which is required to be used in Shandong and Jiangsu. (If the content is above 98%, you need to prove that it is not used in some places. Not produced and sold in Jiangsu. )
Human excrement: there are not many now, so it's hard to find. the best
Chicken manure: available in chicken farms, the price is about 180 yuan, or about 1.5 tons.
Filtering pig manure; Carbon source is ok and not expensive.
Other specific contact through Baidu.