When the concentration of FeNO33 is 080 and 090 gL
Harvesting Efficiency of C. sorokiniana Using Fe(NO3)3 and FeCl3 Coagulation
Before the media reuse experiment, find the appropriate dosage of two coagulants Fe(NO3)3 and FeCl3. The criteria for selecting an appropriate dose are based on high harvest efficiency and low residual iron concentration in the supernatant. After preliminary experiments on the harvesting efficiency of various coagulants, a reasonable range of each coagulant was selected.
When the concentration of Fe(NO3)3 is 0.80 and 0.90 g/L, the capture efficiency is higher than 95%, which is the highest.
In this study, the possibility of the iron salt Fe(NO3)3 as a coagulant in harvest and nitrogen source in cultivation of Chlorella sorokiniana was explored. It was found that the harvest efficiency of Fe(NO3)3 was higher than that of FeCl3; and the spent medium also resulted in relatively high FAME productivity. The low concentration of iron remaining in the spent medium after harvest minimizes concomitant growth inhibition. These all indicate that Fe(NO3)3.
Fe(NO3)3-assisted carbothermal reduction-nitridation method for large-scale synthesis of Si3N4 nanobelts from quartz and graphite and their photoluminescence properties.
Fe(NO3)3 plays a crucial role in promoting the formation of nanobelts in the initial stage. The room temperature photoluminescence spectrum of Si3N4 nanoribbons consists of three emission peaks centered at 413, 437, and 462 nm, suggesting its potential application in optoelectronic nanodevices.
A method covering both sides of a graphite felt substrate with Fe(NO3)3 catalyst increases nucleation sites and increases product yield.
from the remaining powder in vapor–solid reactions. For the pyrolysis, the liquid polysilazane has to be solidified by heat treatment before the pyrolysis and the residual carbon derived from the reaction still remains in the product. Huang et al.15 separated the starting raw materials from the catalytic substrate. This modified thermal chemical vapor deposition (CVD) method overcame these difficulties in separation/purification. Previous studies focused on the successful synthesis of high-purity products with different reaction mechanisms. In all these methods, chemical reagents such as Si powder, SiO powder and polysilazane have been selected as the raw materials. Although high-purity reagents can improve the quality of products, the purification of raw materials increases the cost of production. Therefore, it is important to develop an efficient, low cost, large-scale method for the synthesis of Si3N4 nanobelts. Carbothermal reduction–nitridation (CRN) is a common method for the synthesis of inorganic powder materials, but it has been rarely used to synthesize 1D nanomaterials.
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