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関連する概念動画

Supercritical Fluid Chromatography01:18

Supercritical Fluid Chromatography

1.3K
Supercritical fluid chromatography (SFC) provides a beneficial substitute for gas chromatography (GC) and liquid chromatography (LC) for certain samples because it merges the top attributes of both techniques. SFC allows the separation and analysis of compounds that GC or LC does not easily manage. These compounds are traditionally nonvolatile or thermally unstable, making GC unsuitable and lacking functional groups required for HPLC analysis.
SFC utilizes a supercritical fluid mobile phase,...
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Two Components: Liquid–Liquid Systems01:27

Two Components: Liquid–Liquid Systems

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A pressure-composition phase diagram explicitly describes the behavior of an ideal solution of two volatile liquids under varying pressures and compositions. A pressure-composition diagram has two main curves. The bubble point curve represents the plot of pressure versus liquid mole fraction. It indicates the pressure at which the first bubble of vapor forms from the liquid phase as the system pressure decreases.The dew point curve is the pressure versus vapor mole fraction. It indicates the...
119
Heterogeneous Catalysis01:22

Heterogeneous Catalysis

112
Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
112
Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

1.0K
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
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Steady, Laminar Flow in Circular Tubes01:23

Steady, Laminar Flow in Circular Tubes

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Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
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Bioreactor Design and Operational System01:29

Bioreactor Design and Operational System

90
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
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関連する実験動画

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Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
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化学合成と分離のための濃縮液体反応器

Olgierd Cybulski1, Miroslaw Dygas1,2, Barbara Mikulak-Klucznik1,2

  • 1IBS Center for Soft and Living Matter, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea.

Nature
|October 1, 2020
PubMed
まとめ

研究者は自動化された多段階化学合成のための 新しい回転液体システムを開発しました この革新的なアプローチは 離心力を使って 液体の層を自己組織化させ 手作業なしに複雑な反応を可能にします

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Last Updated: Apr 6, 2026

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科学分野:

  • プロセス化学
  • マイクロ流体
  • 化学工学

背景:

  • 自動化された多段階化学プロセスの需要が増えています.
  • 現在のバッチとフロー化学システムの限界は,重要なエンジニアリングを必要とする.
  • 化学的中介物の効率的な処理の必要性

研究 の 目的:

  • 自己組織化反応ゾーンのバランスの外したシステムを開発する.
  • 新しい原子炉の設計を用いて 自動化された多段階化学処理を可能にします
  • 化学合成と分離における回転液体システムの汎用性を実証する.

主な方法:

  • 回転する容器で離心力を使って 混じり合わない液体を 均一層に分けます
  • 層の厚さは数十ミクロメートルまで
  • 添加,サンプリング,撤回のための回転制御を通して層を操作します.

主要な成果:

  • 液体層の自己組織化が証明されています
  • 小さな分子の多段階合成に成功しました
  • 複合混合物から同時に酸塩抽出と選択的分離を行う.

結論:

  • "壁のない"同点液体炉は,中小規模のプロセス化学に有望なツールを提供します.
  • ローテーション・フレームは,従来の静的な化学システムに優れている.
  • 材料と化学処理におけるより広範な応用の可能性