NORITAKE CO., LIMITED (Headquarters: Nagoya, Aichi, Representative Director & President: Akira Higashiyama) has developed a porous support, SUPCA, for Direct Air Capture (DAC) to directly capture CO₂ from the atmosphere. SUPCA retains CO₂ absorption solution in its internal sorbent^※1, allowing for the absorption, desorption, and recovery of CO₂. Some of the raw materials used in SUPCA are biomass materials that are produced with reduced CO₂ emissions.

SUPCA is a product developed using our proprietary technology that combines inorganic particles (micro-sized sorbents) with organic matter having a special structure.The sorbent has a large surface area for contact with CO₂, allowing for fast absorption. This enables efficient CO₂ capture. Additionally, SUPCA incorporates biomass materials produced with reduced CO₂ emissions as part of its raw materials. Moving forward, we will further promote the use of renewable materials and continue our development efforts towards environmental sustainability.

 【Performance comparison between SUPCA and conventional products (bead-shaped sorbents)】

Table 1: Relative comparison of following two samples holding CO₂ absorption solution that adsorb an equal amount of CO₂.

① The reasons for fast absorption of CO₂.

・The contact area between the sorbent and CO₂ is large per unit volume.
・Due to the small diameter of the sorbent,CO₂ quickly spreads throughout its interior.

② The reasons for low energy consumption.
The ease of gas flow^※4 is 10 times higher compared to conventional products. The energy consumption during the process of blowing air and contacting it with SUPCA is low.

Furthermore, it offers high convenience and has a wide range of usage.
It is flexible and easy to process, allowing it to be used in various shapes.

※1　An sorbent that holds the CO₂ absorption solution.
※2　Measurement conditions: The comparison is made based on the value of (CO₂ saturation absorption amount) divided by (the time from the start of CO₂ absorption to saturation) using an sorbent with the same saturated CO₂ absorption capacity.
※3　Calculation of the total energy required for the entire process of CO₂ absorption, desorption, and recovery by the equipment. (Calculation performed by system manufacturers.)
※4　Compare based on pressure loss. Pressure loss refers to the pressure lost as the fluid passes through a flow path. A lower pressure loss can be said to occur when the difference in total pressure between the inlet and outlet is small.