This article relates to the flocculating settling method for treating the zinc-bearing waste water and the undercoat waste water from the surfacing shop of the washer plant, by using the activated carbon adsorption and by using drip washing for treating the waste gas from the backing finish tunnel and baking undercoat tunnel.
Ferrum carbon aeration catalyticoxidation neutralization flocculation and sedimentation process is used for the treatment of DSD acid wastewater. The results of the treatment show that,through treatment the biotreatabllity of wastewater is improved obviously,and at the same time,the removal efficiency of colourity and COD can reach 98% and 90% respectively. The organic concentration in effluent is reduced,which creates good condition for the following biological treatment.
(2)The existence of some bivalent ions in wastewater did not only consume none of macromolecule heavy metal flocculant,but also promote the flocculation and sedimentation of mercury,the removal rate of mercury ion was above 99%,but monovalent metal ions had little effect on the treating;
The essay disposes the milk cattle wastewater by ABR-Flocculation and Precipitation-ICEAS, the results from experiments indicates that 70-75%COD_(Cr) can be treated by ABR, 85-90%COD_(Cr) can be eliminated by flocculation and precipitation, 85-90%COD_(Cr) and 92-98% ammonia nitrogen can be removed by ICEAS.
According to the actual conditions of the wastewater in Yumen oil field of Gansu province, the method of flocculation and precipitation is chosen to reduce total iron content to meet its recycle demands.
This study utilizes the supermolecular feature of lignin and modifies it. The surface groups of modified lignin action macromolecule protein, were removed them as flocculent precipitate thereby to increase non-biological stability of beer.
Flocculation and sedimentation in the ACE Basin, South Carolina
The most commonly used water filtration technique involves coagulation and rapid rate filtration, either in conventional plants with flocculation and sedimentation, or in direct filtration plants in which the sedimentation process is omitted.
The possibility was suggested that the small amount of molecular iron incorporated into the activated sludge stimulated the flocculation and sedimentation by external magnetization.
Concentration of Cupriavidus necator cells by flocculation and sedimentation
Efficient mixing combined with effective electrical flocculation and sedimentation can achieve a high degree of removal of dissolved salts.
Flocculation and Precipitation in the Presence of Binary Polyelectrolytes
The long incubation time (minimum 5 d at 20°C) allowed growth of chemo-autotrophic bacteria and resulted in excessive flocculation and precipitation of metals, making accurate and meaningful measurements of inhibition impossible.
From the results above, we infer that CO2 destabilizes water-in-crude oil emulsions by asphaltene flocculation and precipitation.
The proposed mechanism by which CO2 destabilizes water-in-crude oil emulsions involves asphaltene flocculation and precipitation.