Pure ice making
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  • Pure ice making

Pure ice making

With the development of the economy, the demand for household ice makers is gradually increasing. However, the current ice-making effect of household ice makers on the market is not very satisfactory, often resulting in white defects that affect the transparency of the ice cubes and people's trust in the safety and hygiene of the ice cubes. In order to meet the growing demand for high-quality living, Sci-Nano developed the MDG-2010 degassing membrane module, which is based on PTFE hollow fiber membrane filaments, to deaerate the water used for ice making and achieve pure and transparent ice production.

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Case description

Pure ice making

With the development of the economy, the demand for household ice makers is gradually increasing. However, the current ice-making effect of household ice makers on the market is not very satisfactory, often resulting in white defects that affect the transparency of the ice cubes and people's trust in the safety and hygiene of the ice cubes. In order to meet the growing demand for high-quality living, Sci-Nano developed the MDG-2010 degassing membrane module, which is based on PTFE hollow fiber membrane filaments, to deaerate the water used for ice making and achieve pure and transparent ice production.

The degassing membrane module is equipped with a large number of PTFE hollow fiber membrane filaments. During operation, water flows through the pores of the PTFE hollow fiber membranes under a certain pressure, while the outer side of the hollow fiber membrane filaments continuously removes gas under the action of a vacuum pump, creating a certain negative pressure. In this way, the gas in the water continuously overflows from the water through the hollow fiber membranes, thereby achieving the purpose of removing gas from the water. Based on the strong hydrophobicity, chemical stability, high porosity, high mechanical strength, and long service life of PTFE filaments, it can effectively avoid hydrophilicization of the membranes after long-term operation, which leads to liquid infiltration and interface damage, thus ensuring the service life of the membrane contactor. The module adopts Sci-Nano's original filament weaving process, which expands the effective gas-liquid contact area of the contactor, and the flow rate can reach up to 2000 mL/min. The excellent degassing performance of the module can reduce the gas concentration in the liquid to ppb levels, meeting the degassing requirements in the ice-making process.

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