Alimoradi, Sirwan published the artcileEffect of temperature on toxicity and biodegradability of dissolved organic nitrogen formed during hydrothermal liquefaction of biomass, Recommanded Product: 2,3,5-Trimethylpyrazine, the main research area is dissolved organic nitrogen biomass hydrothermal liquefaction toxicity biodegradability temperature; HTL wastewater; Heterocyclic N-Containing organic compounds (HNOCs); Hydrothermal liquefaction (HTL); Nitrogen recovery; Non-biodegradable dissolved organic nitrogen (nbDON); Toxicity.
This study investigated the nutrient content and reuse potential of wastewater generated during hydrothermal liquefaction of microalgal biomass. The hydrothermal liquefaction reaction was tested at 270, 300, 330, and 345°C to determine the effect of temperature on the formation of non-biodegradable dissolved organic nitrogen (nbDON). Total nitrogen, ammonium, color, and toxicity were selected as key characteristics for the reuse of hydrothermal liquefaction wastewater. Results indicated that a higher concentration of nbDON5 (nbDON defined with a 5 day growth assay) and more diverse heterocyclic N-containing organic compounds were associated with greater toxicity as measured by a growth rate assay. For the tested temperature ranges, the total nitrogen content of the hydrothermal liquefaction wastewater slightly decreased from 5020 ± 690 mg L-1 to 4160 ± 120 mg L-1, but the percentage nbDON5 fraction increased from 57 ± 3%DON to 96 ± 5%DON. The temperature of hydrothermal liquefaction reactions can be optimized to maximize carbon conversion and nitrogen recovery.
Chemosphere published new progress about Absorption. 14667-55-1 belongs to class pyrazines, name is 2,3,5-Trimethylpyrazine, and the molecular formula is C7H10N2, Recommanded Product: 2,3,5-Trimethylpyrazine.