Pore Size Analyzer

Major Functions

Static volumetric high-pressure gas adsorption

High-temperature/high-pressure gas adsorption-desorption isotherm measurements

PCT adsorption-desorption curves and adsorption constants determination

Shale gas/coalbed methane reserve evaluation studies

Hydrogen storage PCT and absorption-release cycle tests

Porous material adsorption performance studies

Optional Functions

Atmospheric desorption rate tests

Constant-pressure adsorption rate tests

Temperature-programmed desorption (TPD) tests

High-pressure multicomponent adsorption tests (volumetric method)

Relevant Models & Names

STD-PH Fully Automatic High-Temperature/High-Pressure Gas Sorption Analyzer

Standard configuration: 0-20 MPa, 1/2/4 analysis stations optional

STD-PHU Ultra-High Pressure Gas Sorption Analyzer

Ultra-high pressure options: 0-50 MPa or 0-69 MPa, 1/2 analysis stations optional

Specialized for high-pressure adsorption studies of shale gas, coalbed methane, and hydrogen storage (world’s highest-pressure fully automatic analyzer)

STD-PHE High-Pressure & Constant-Pressure Sorption Analyzer

Replaces magnet-suspended balance method with volumetric constant-pressure kinetics analysis (Patent ZL 2019 2 1740137.5)

Pressure range: vacuum to 20 MPa, dual sensors with auto-switching

Functions: constant-pressure adsorption-desorption isotherms, t-P/t-V curves, Langmuir/Freundlich constants, IAST multicomponent adsorption, Clausius-Clapeyron thermal analysis, kinetic rate tests

Built-in combustible gas alarm, optional ventilation linkage system

STD-PHEM High-Pressure Sorption & Atmospheric Desorption Analyzer

Enhanced with MFC for large-sample atmospheric desorption studies

Thermodynamic/kinetic analysis: TPD temperature profiling, adsorption-desorption rate measurements

Extended chamber volume: 1000 cm³ or 3000 cm³

Optional low-pressure vacuum hydrogen release module (0.01 bar to atmospheric pressure)

STD-PHC Cladding Pressure Gas Sorption Analyzer

Simulates in-situ stress conditions for core sample adsorption studies

Improves reserve estimation accuracy through stress-dependent adsorption analysis

STD-PHM Multicomponent High-Pressure Gas Sorption Analyzer

Volumetric multicomponent competitive adsorption with high-pressure microcirculation system (Patent ZL2020 2 0367383.7)

Optional Upgrades

◆ LNL Liquid Nitrogen Leveling System

Maintains constant liquid nitrogen levels during cryogenic hydrogen adsorption studies (Patent ZL2018 2 0487496.6)

◆ Gas Boosting System

Dedicated boosters for H₂/CH₄/CO₂ up to 30/60/80 MPa

Main Parameters

◆ Precision: Repeatability error <±2%

◆ Pressure Range: High vacuum to 690 bar

◆ Temperature Range: -196℃ to 1100℃

◆ Safety: High-pressure tested with built-in gas alarm and optional ventilation system

◆ Pressure Accuracy: Imported sensors (0.01% FS precision, 0.025% FS long-term stability)

◆ Temperature Control: Fully isothermal air bath (±0.1℃ at 40℃)