And ORTT and OURO in the adhesive growth type of MBR was lower than that in the suspended growth type of MBR, but OURN was higher in the adhesive growth type of MBR than before.
The main function of vacuum sucking sewage truck is to suck and transport the dejecta and sullage and carpolite and the other liquid mixing big suspend impurity for Environment Protection in city.
In ultrasonic field, authors studied solidify of water base epoxy dope and suspend and decentralization of millicron grain in water base epoxy resin, developed a series of water base dope.
A new type of automatic apocatharsis valve on settling centrifuge device was designed,so that the separation and automatic apocatharsis of the liquid and suspended substance were done continuously.
Its Hard products is widely used as electric stove hearth sets in lab and wall,suspend ceiling brick,hollow brick,fire bulkhead muffle board,hot dozzle,nozzle etc.