Synthesis of the multicore polymer flocculant SCP and its effect on COD removal rate
Subsurface flow type constructed wetland system used for domestic sewage treatment has average removal rate of COD and TP above 85% and 80% respectively, and removal rate of total nitrogen about 55%.
The maximum copper removal rate was both present in anaphase of the state period or prophase of the death period.
The tests indicated that, for the sample which contained 50% water, the removal rate of water was up to 99. 43% in the presence of acetate sodium.
Using polymeric (ferric) sulfate as remover, calcium removal rate is almost 100%. This process has characteristics of lower cost, easily controlled and not influence on the quality of products.
A theoretical model to estimate the material removal rate has been developed.
An increase in the removal rate of formaldehyde resulted from elevated inlet formaldehyde loading rate by increasing formaldehyde concentration or flow rate.
The refractive index of the refined oil decreases continuously with the increase of the removal rate of BCN.
The results showed that the Sodium sulfate removal rate is higher and nutrient loss is least and submerged vegetation is not almost broke while the moisture is 45%.
Backwash cycle has more effect on ammonia nitrogen removal rate.
Under these conditions, the iron-removal rate of zinc sulfate leaching solution reaches better effect.
The alkali modified wooden activated carbon had high adsorption rate of phenol, with the removal rate reaching to 88% within a rather short time.
The effect is also studied of the mixing ways of pulverized coal ash with caustic lime on the so 2 removal rate and the calcium utilization of the calcium based sorbent.
Comparison the nitrate removal rate in celery during different soaked solutions
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
Let' s take the metal removal rate for example.
Analysis on the removal rate of organism in artificial wetland and feasibility of landscape construction beside water;
How to achieve high removal rate of ammonium is the emphasis to researchers.
The results showed that removal rate of oil and suspended solids in filtered water increased by 50% and 30%, which is much higher than that of conventional direct filtration.
An. optimum specific concentration of abrasive by weight, traverse speed and target distance will get the highest volume removal rate while keeping up other parameters unchanged.
cutting power per unit material removal rate
Compared with the traditional rapid infiltration pond, it has no obvious increase for the removal rate of COD and SS.
In many heavy metal removal ways, bioleaching method, because of its low consumption, low operation cost, and high heavy metal removal rate, attracts people's attention.
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