Thermogravimetric analysis of gasification and pyrolysis of algae biomass

Tsvetkov, Maxim; Zaichenko, Andrey; Podlesniy, Dmitry; Latkovskaya, Elena; Tsvetkova, Yuliya; Kislov, Vladimir

doi:10.1051/e3sconf/202449802002

Cited by 2 publications

(1 citation statement)

References 47 publications

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“…Our calculations show that when growing brown algae Saccharina japonica in Aniva Bay for the purpose of decarbonization, it is possible to additionally sequestrate up to 49.5 thousand tons of C [86]. Successful cultivation of algae, their timely removal from the environment (before the destruction of the thallus) and the production of biochar from them with further industrial use [92][93][94] will increase the absorption of CO 2 from the atmosphere and have a positive impact on the carbon balance of the entire region. Experimental measurements of CO 2 fluxes in the area of mariculture farms have shown a noticeable photosynthetic absorption of CO 2 from the environment [95][96][97][98].…”

Section: Discussionmentioning

confidence: 94%

Assessment of the Hydrochemical Characteristics of the Carbon Observational Site ‘Carbon-Sakhalin’ (Aniva Bay, Sea of Okhotsk)

Pishchalnik,

Myslenkov,

Latkovskaya

et al. 2024

Sustainability

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Following a tendency of many economies to shift towards carbon neutrality, there came the necessity for certain regions to be assessed in terms of their greenhouse gas emissions from the ocean. A carbon polygon was created in Sakhalin Oblast in order to evaluate the carbon balance of this marine ecosystem in a sub-arctic region, with the possibility of deploying carbon farms for additional CO2 absorption. To obtain such an assessment, it seems crucial to analyze hydrochemical parameters that reflect the situation of the marine environment in Aniva Bay as a basis of the carbon polygon. The article presents the results of the analysis of hydrochemical parameters in Aniva Bay waters and their spatial and seasonal variability. This research was based on available published sources and measurement databases for the period of 1948–1994. Additionally, the review uses hydrochemical data for Aniva Bay in 2001–2013 weather station data for the period of 2008–2023 and weather station data for 2008–2023. Some tendencies were discovered for spatial and temporal distributions of oxygen, pH, and biogenic matter (inorganic phosphorus, inorganic nitrogen, silicon). In surface layers, the mean oxygen year maximum (9.1 mg/L) is registered with the beginning of photosynthesis, i.e., immediately after the ice melting in April. The highest pH values 8.26 are registered in the euphotic layer in May. The lowest pH values was in August (7.96) in the near-bottom layer. The maximum annual P-PO4 registered on the surface (>18 µg/L) immediately after ice melting, with a minimum (7.17 µg/L) at the end of July. Si-SiO3 concentrations have two maximums: at the end of June and at the beginning of October. N-NO2 concentration on the surface is >2 µg/L in mid-July and on the 50 m depth it is >3.5 µg/L in mid-September. Some spatial patterns of hydrochemical parameters were shown based on the analysis of maps.

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