Yangtao Zhou, Shuang He, Zhengning Wang, Yang Guo, Lanlan Pan

Dalian Ocean University College of Mechanical and Power Engineering

Abstract：

In recent years, driven by a variety of factors, Philippine clam farming ventures have encountered unprecedented opportunities. A key challenge facing these businesses is establishing low-energy, high-quality purification and temporary aquaculture systems. Bivalve purification involves placing filter-feeding bivalves in a clean water environment to eliminate bacterial and pathogenic microorganisms. However, with escalating environmental pollution, bivalves now also bioaccumulate heavy metals, industrial wastewater contaminants, biotoxins, and viruses. Thus, purification must address not only bacteria and pathogens but also pollution from sewage and viruses. In several nations and regions, “purified bivalves” have become mandatory—live bivalves must undergo purification before reaching consumers. In China, regulations and quality safety standards require that bivalves from lightly polluted (Category II) sea areas be purified to eliminate pathogens, viruses, and toxins. Therefore, accelerating the research, development, and application of purification and temporary aquaculture facilities for intertidal bivalves is of significant importance to the aquaculture industry. This chapter conducts a systematic analysis of intertidal bivalve purification and temporal aquaculture technologies, both domestically and abroad. It introduces material-balance calculations, formulates a design methodology for purification and temporary aquaculture systems, provides detailed design of recirculating water systems based on material balance principles, and performs heat transfer analysis on purification pond thermal characteristics following the principle of thermal balance. An example is used to illustrate optimization of design and operational parameters. Finally, development trends in purification and temporary aquaculture technology are discussed.

Key Words：

intertidal bivalves; temporary aquaculture technology; the Philippines; China