The deactivation of a commercial Ni/Al2O3 catalyst in the liquid phase hydrogenation of crude 1,4-butanediol aqueous solution was investigated. H2-TPD experiments have been performed over the fresh and deactivated catalysts in order to determine the change in metal dispersion. In this experiment the gaseous products were monitored as a function of temperature using a HIDEN model QIC-20 mass detector...

TiO2 photocatalytic reactions for organic synthesis have recently been the subject of many reports. The choice and reaction conditions of catalysts are very important in the phenol hydroxylation using H2O2 as oxidant. In this study, a new type of photocatalyst based on silicate (Fe-Al-silicate) was prepared and characterized with a goal to effective utilizing in photocatalytic organic synthesis of dihydroxybenzenes from phenol...

A new autothermal route to produce hydrogen from natural gas via chemical looping technology was investigated. Nowadays, 90% of the worldwide produced hydrogen comes from fossil fuels, the most common process being Steam Methane Reforming (SMR), which produces several kg of CO2 equivalent per kg of hydrogen. In classic SMR technology, most of the greenhouse gases are vented to the atmosphere. Chemical Looping Combustion (CLC) is a promising concept based on circulating fluidized beds to combust solid, liquid and gaseous fuels with inherent CO2 capture and minimal NOx formation. Chemical Looping Reforming (CLR) utilizes similar principles as CLC but the objective of CLR is hydrogen, as opposed to energy for CLC.

Hydrogen as an energy vector in combination with fuel cells is one of the emerging energy solution in terms of sustainability and low environmental impact. H2 sustainable production is therefore one of the key target of today. Recently, the Materials, Environment and Energy research group at the University of Trieste, coordinated by Professor Paolo Fornasiero investigated various options for H2 production and purification by using a Hiden HPR 20 quadrupole mass spectrometer.

The need to reduce anthropogenic CO2 emissions has been the driving force to consider new approaches and novel ideas for CO2 management, and carbon capture and storage (CCS) are considered to potentially be the most effective means to alleviate the problem. The most common method for CO2 capture is via gas absorption, with monoethanol amine (MEA) being the most widely used solvent.

Differential electrochemical mass spectrometry (DEMS) involves applying a potential across an electrochemical cell and measuring the resulting current while concurrently analyzing gas products with a mass spectrometer. We used DEMS to investigate the mechanism of carbon support corrosion (CSC) in-situ at the cathode of proton exchange membrane fuel cell (PEMFC). The cathode exhaust gases were sampled with a Hiden Analytical QIC-20 mass spectrometer.

Evolved gas analysis study of a pharmaceutical with the PerkinElmer Pyris 1 coupled with Hiden's HPR 20 QIC evolved gas analyser.

Connecting Hiden's QIC series gas analysers for evolved gas analysis. A technical information sheet detailing the extensive range of TGA-MS coupling devices available.

QIC Biostream - multi stream sampling with fast response and low sample flow, suited to micro reactors, plate-well vessells, and other applications where multiple stream sampling gas analysis is required.