nourishment the liquid material equilibrium( BOD5: N: P=100: 5: 1; The value of pH over lov throw to add the lime regulate Bleach the powder with the liquid chlorin( press to fuck 0. 3% of the dirty mire w0.6% the hurl adds,can repress the silk form germ breed controling the dirty mire in combinative water inflation[11l 4.2 Foam problem Because entering to take the grease of large quantity in the water handling system can't completely and availably its obviation parts of greases enriches to gather inin the dirty mire through turn to brush the oxygen agitation, creation large quantity foam; The mire is partial to long the dirty mire is aging, and also easy creation foam. spray to pour the water or divided by with the surface the of do a way with the foam in common use divided by the an organism oil kerosene, the oil of silicon, throw deal as 0. 5v1.5 mgs/ L Pass to increase dirty mire in pond in spirit in density or adequacies let up the tolerance of, also can control the foam creation effectively. When contain the live material in surface in the waste water more separate ith the foam easily and in advance method or other methods do away with. Also can consider to increase to establish a set of divideding by the oil device moreover But enhance most importantly waste water and other poisonous waste water of intol? er the headwaters manage, reducing to contain the oil over the high 4.3 Float the problem on the dirty mire When contain in the waste water the oil measures big, whole system mire qua lity become light, can't like to control very much in operate process its at two sink the pond stop over time, resulting in the anoxia easily, producing the corrupt and dirty mire ascend to float; When spirit time over long take place in pond the high degree nitric turn the function making nitrate density high at two sink thenourishment in the liquid material equilibrium( BOD5:N:P=100:5:1);The value of pH over low, can throw to add the lime regulate;Bleach the powder with the liquid chlorin( press to fuck 0.3% of the dirty mire~0.6% the hurl adds), can repress the silk form germ breed, controling the dirty mire in combinative water inflation[11] . 4.2 Foam problem Because entering to take the grease of large quantity in the water, handling system can't completely and availably its obviation, parts of greases enriches to gather in in the dirty mire, through turn to brush the oxygen agitation, creation large quantity foam;The mire is partial to long, the dirty mire is aging, and also easy creation foam.Spray to pour the water or divided by with the surface the of do away with the foam, in common use divided by the an organism oil, kerosene, the oil of silicon, throw deal as 0.5~1.5 mgs/ L.Pass to increase dirty mire in pond in spirit in density or adequacies let up the tolerance of , also can control the foam creation effectively.When contain the live material in surface in the waste water more, separate with the foam easily and in advance method or other methods do away with.Also can consider to increase to establish a set of divideding by the oil device moreover.But enhance most importantly the headwaters manage, reducing to contain the oil over the high waste water and other poisonous waste water of into[12] . 4.3 Float the problem on the dirty mire When contain in the waste water the oil measures big, whole system mire quality become light, can't like to control very much in operate process its at two sink the pond stop over time, resulting in the anoxia easily, producing the corrupt and dirty mire ascend to float;When spirit time over long, take place in pond the high degree nitric turn the function, making nitrate density high, at two sink the