Gas-liquid mixing device

MULTI-STAGE AERATION GENERATOR AND METHOD OF SEWAGE TREATMENT

Carbonation duct for blending a gas and a beverage and carbonation process

Removable cartridge for liquid diffusion device

Liquid aerating device

Liquid aerating device

Microbubble generating device and contaminated water purifying system provided with microbubble generating device

Removable cartridge for liquid diffusion device and cartridge insert thereof

Removable cartridge for liquid diffusion device

Venturi tube fluid mixer with at least two inflection points in the divergent section

Device for preparation of water-fuel emulsion

Ejector Device for Forming a Pressurized Mixture of Liquid and Gas, and Use Therefore