What's the difference between two-phase and three-phase separators?

The main difference between two-phase and three-phase separators is their function to separate coming fluids and/or gases into two and/or three phases, which is possible by internals, installed inside of the separator vessel.

Horizontal three-phase separator (Abdel-Aal et al. 2003)

3-Phase Separators: An Overview

Economical Separation Processes

Dynamic Simulator for Three-Phase Gravity Separators in Oil Production Facilities

2 Phase Separator Design

Several Types of Three-Phase Separator

Several Types of Three-Phase Separator

What Are The Different Types of Oil and Gas Separators?

Find A Wholesale Two Phase Separator Online

What Are The Different Types of Oil and Gas Separators?

Horizontal Separator - an overview

Separator types - Joboilfield

Oil & Gas Separation Equipment Market