Truyền khối
Sự vận chuyển vật chất từ pha này sang pha khác trong các quá trình công nghệ.
Khuếch tán (Diffusion)
Molecular movement from a region of higher concentration to lower concentration.
Khuếch tán phân tử (Molecular Diffusion)
Diffusion caused by random motion of individual molecules.
Khuếch tán xoáy (Eddy Diffusion)
Mass spreading caused by turbulent fluid motion.
Lọc nano (Nanofiltration)
A membrane process separating small solutes and multivalent ions.
Lớp biên (Boundary Layer)
A thin region near a surface where velocity or concentration changes sharply.
Lớp biên nồng độ (Concentration Boundary Layer)
The region near an interface where concentration changes from surface to bulk value.
Lý thuyết màng (Film Theory)
A model assuming mass transfer occurs through a stagnant film near an interface.
Lý thuyết tái tạo bề mặt (Surface Renewal Theory)
A model where interface fluid elements are continuously replaced.
Lý thuyết thâm nhập (Penetration Theory)
A model describing unsteady diffusion into fluid elements at an interface.
Mô hình Higbie (Higbie Model)
A penetration-theory model for mass transfer during short contact times.