Preparation of Nano ZnO Particles by Microwave Assisted Hydrothermal Method and its Toxicity to Microalgae

Abstract:

In this paper, nanocrystalline ZnO particles were prepared feasibly by microwave assisted hydrothermal method with Zinc nitrate and NaOH as start materials. XRD results show the ZnO was crystallized well. The as-received powders are hexagonal platelets of about 20-100 nm in diameter. Toxicity experiments using wastewater microalgae (Chlorella sp.) revealed that the toxicity of ZnO is strongly related with the Zinc ions concentration in water.

• Periodical: Key Engineering Materials (Volumes 602-603)
• Pages: 38-41
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.602-603.38
• Online since: March 2014
• Authors: Hong Ying Yu, Zhi Jiang Dong, Zhi Qin Chen, Shan Shan Luo*
• Keywords: Combustion Synthesis, Microalgae, Toxicity, ZNO

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