![]() ![]() įood and agriculture materials inspection center (2021) Testing methods for fertilizers, Saitama, Japan, pp102–108 (in Japanese) įitzsimons MF, Probert I, Gaillard F, Rees AP (2020) Dissolved organic phosphorus uptake by marine phytoplankton is enhanced by the presence of dissolved organic nitrogen. (84)90440-5ĭerolez V, Soudant D, Malet N, Chiantella C, Richard M, Abadie E, Aliaume C, Bec B (2020) Two decades of oligotrophication: evidence for a phytoplankton community shift in the coastal lagoon of Thau (Mediterranean Sea, France). ĭe Rooij JF, Heughebaert JC, Nancollas GH (1984) A pH study of calcium phosphate seeded precipitation. Ĭollos Y, Vaquer A, Bibent B, Souchu P, Slawyk G, Garcia N (2003) Response of coastal phytoplankton to ammonium and nitrate pulses: seasonal variations of nitrogen uptake and regeneration. Ĭhong CC, Cheng YW, Ishak S, Lam MK, Lim JW, Tan IS, Show PL, Lee KT (2022) Anaerobic digestate as a low-cost nutrient source for sustainable microalgae cultivation: a way forward through waste valorization approach. īerque J, Matsuda O (2013) Coastal biodiversity management in Japanese satoumi. Īsaoka S, Yoshida G, Ihara I, Umehara A, Yoneyama H (2021) Terrestrial anaerobic digestate composite for fertilization of oligotrophic coastal seas. ![]() ( (in Japanese with English abstract))Īsaoka S, Okamura H, Kim K, Hatanaka Y, Nakamoto K, Hino K, Oikawa T, Hayakawa S, Okuda T (2017) Optimum reaction ratio of coal fly ash to blast furnace cement for effective removal of hydrogen sulfide. ( (in Japanese with English abstract))Īsaoka S, Yamamoto T, Yamamoto K (2008b) A preliminary study of development for coastal sediment amendment with granulated coal ash – nutrient elution test and experiment on Skeletonema costatum growth. ![]() 4–115–4–116Īsaoka S, Yamamoto T, Yamamoto K (2008a) A preliminary study of development for coastal sediment amendment with granulated stone powder – nutrient elution test and growth experiment of Skeletonema costatum. 4–91–4–92Īmerican Public Health Association (1992d) Standard Methods for Examination of Water and Wastewater, 18th edition, American Public Health Association (APHA): Washington, DC, pp 4-112.Īmerican Public Health Association (1992e) Standard methods for examination of water and wastewater, 18th edition, American Public Health Association (APHA): Washington, DC, pp. 4–116–4–117Īmerican Public Health Association (1992c) Standard methods for examination of water and wastewater, 18th edition, American Public Health Association (APHA): Washington, DC, pp. 4–112–4–113Īmerican Public Health Association (1992b) Standard methods for examination of water and wastewater, 18th edition, American Public Health Association (APHA): Washington, DC, pp. Bull Jap Fish Res Edu Agen 49:21–26Īmerican Public Health Association (1992a) Standard methods for examination of water and wastewater, 18th edition, American Public Health Association (APHA): Washington, DC, pp. ![]() The cement-bonded digestate composite developed in this study connects terrigenous anaerobic digestate from biogas plants to oligotrophic coastal seas and thus creates a novel nutrient pathway.Ībo K, Yamamoto T (2019) Oligotrophication and its measures in the Seto Inland Sea. The nutrients released from the cement-bonded digestate composite were taken up by marine microalgae, making these composites an effective terrigenous nutrient carrier for the growth of marine microalgae. This correlation allowed us to estimate the amount of these compounds released from the cement-bonded digestate composite from their concentration of in the anaerobic digestate reactants. The amount of inorganic phosphate and ammonium nitrogen released from the cement-bonded digestate composite was strongly correlated with the inorganic phosphate or nitrogen levels in the composite. The inorganic phosphate and ammonium nitrogen were used directly by phytoplankton. Batch experiments showed that inorganic phosphate, ammonium nitrogen, and dissolved organic nitrogen species were released from the cement-bonded digestate composite. Cement-bonded digestate composites with digestates based on animal manure and food waste based were subjected to sustained release property tests to investigate their utility as nutrient carriers for phytoplankton grown in oligotrophic coastal seas. Anaerobic digestate is an organic effluent from biogas plants that generate renewable energy from organic waste under anaerobic conditions. ![]()
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