A Study of Low‐Cost Kaolin and Rice Husk Ash Flat Ceramic Supports for Carbon Membrane Development

低コストのカオリンと籾殻灰を用いたフラットセラミック支持体による炭素膜開発の研究 (AI 翻訳)

Thaís Martins Neves, João Pedro Weidlich Franco, Nilson Romeu Marcílio, Isabel Cristina Tessaro

Chemical Engineering & Technology📚 査読済 / ジャーナル2026-06-01#CCUSOrigin: Global対象セクター: energy

🤖 gxceed AI 要約

日本語

この研究では、低コストのカオリンと籾殻灰（RHA）を用いたセラミック支持体を作製し、二酸化炭素とメタンの分離用炭素膜への応用を検討した。RHA含有量の異なる支持体の特性を評価し、90K10RHA組成が最も優れた性能を示した。この低コスト支持体は軽ガスや炭化水素分離に有望である。

English

This study explores low-cost kaolin and rice husk ash (RHA) to fabricate ceramic supports for carbon membranes for CO2/CH4 separation. The 90K10RHA support showed best properties. These low-cost supports are promising for light gas and hydrocarbon separation.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本ではCCSやバイオガスアップグレードへの関心が高く、低コスト膜支持体の開発はコスト低減に寄与する可能性がある。ただし本論文は基礎材料研究であり、実用化にはさらなる開発が必要。

In the global GX context

Globally, cost-effective CO2 separation membranes are crucial for carbon capture and biogas upgrading. This study uses waste materials (RHA) to reduce support cost, which could make membrane technology more economically viable.

👥 読者別の含意

🔬研究者:Materials scientists and engineers working on membrane technology for gas separation will find this study's use of low-cost waste materials relevant for sustainable support fabrication.

📄 Abstract（原文）

ABSTRACT Inorganic membranes can be applied in processes occurring at high temperatures and pressures. Carbon membranes (CMs) possess molecular‐sized pores capable of selectively separating gases of similar molecular dimensions, such as CO 2 and CH 4 . These CMs are typically fabricated on commercial alumina ceramic substrates, which are costly. This study explores the use of kaolin, a natural and low‐cost material, and rice husk ash (RHA) to fabricate ceramic supports. The impact of varying RHA content on the properties of the supports was assessed. The supports obtained from kaolin and RHA exhibited the phases of mullite and cristobalite. The 90K10RHA support demonstrated lower surface roughness, enhanced mechanical strength, and superior gas permeation performance. Gas transport through the membranes prepared on kaolin–RHA supports was governed by Knudsen diffusion. Therefore, the membranes fabricated on low‐cost supports show promise for the separation of light gases and larger hydrocarbons.

🔗 Provenance — このレコードを発見したソース

openalex https://doi.org/10.1002/ceat.70263first seen 2026-06-27 04:51:34

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