National Research And Development Institute For Cryogenic And Isotopic Technologies

Group 2-Renewable Energy and Environmental Protection

Group Coordinator: Dr. Chem. Elena David

Contact Person: Dr. Chem.Violeta Niculescu
E-mail: violeta.niculescu@icsi.ro

 

Nanomaterials Laboratory: intended for the study of materials for specific applications aimed at improving the quality of life. The laboratory activity focuses on the synthesis, characterization and applications of different nanostructures, such as mesoporous silica nanomaterials, oxide materials, carbon materials and composites.

The aim is to obtain new micro and mesoporous materials with personalized absorbent properties for catalytic remediation of ecosystems (oxidation of organic pollutants and photocatalytic treatment of wastewater) and development of “green chemistry” (efficiency of classical catalysts by immobilizing them on mesoporous materials); synthesis and post-synthesis modification of mesoporous materials used as vectors for the controlled administration and release of bioactive agents (drugs and substances with therapeutic potential); and identification of new materials with added value, based on improving the stability of some natural or synthetic active principles, and fixing them on different porous substrates for their application in areas such as environmental, food, and pharmaceutical pollution. In this regard, we target research concerning the development of:

  • selective materials for gas separation/purification processes (N2, Ar, He, Ne, H2, CH4, etc.) such as carbon molecular sieves and activated carbon, zeolite molecular sieves, alumina, silica, ceramics, or glass, composites (metal/carbon, metal/zeolite, metal/ceramic, metal/glass, etc.) and selective membranes;
  • materials for environmental applications, namely catalysts for the conversion of greenhouse gases into harmless compounds for the environment, catalysts for recycling solid waste, selective materials for retaining heavy metals in the air and polluted water and materials for capturing and storing CO2;
  • materials for energy applications, especially for the recovery of hydrogen from waste gases and for its storage, but also catalytic materials for the conversion of biomass and residues into energy products (gases, liquids, solids).

The main research equipment within the laboratory is:

Contact person: Chem. Marius Constantinescu
E-mail: marius.constantinescu@icsi.ro

 

Laboratory for Gas and Fuel Characterization: designed to develop, validate and implement advanced methods for gas analysis (pure or mixed), to monitor imissions and emissions, and physico-chemical characterization of fuels (liquids, solids and gases) in order to select the best energy conversion process.

The primary expertise of the laboratory is in the application of mass spectrometry for quantitative analysis of impurities in gas samples and gas chromatography in investigating the compositional profile of natural gas, mixtures of two-component or complex gases and pure gases (eg H2, He, O2, CO2, Ar, N2, C2H2) used for industrial/ technological, food or medicinal use.

We develop researches to capitalize some types of waste for energy purposes, together with creating a database of quality parameters, specific to fuels (eg C-N-H-S/O content, calorific value, humidity, ash, volatile and non-volatile substances, for solid fuels.; elemental composition, water level, ash and calorific value, for liquid fuels).

The main research equipment within the laboratory is:

Contact person: Chem. Claudia Şandru
E-mail: claudia.sandru@icsi.ro

 

Chemistry Laboratory: it is constituted as a support element for conducting environmental studies, evaluating the impact of anthropogenic factors on the environment and establishing technical solutions for remediation of pollution, by developing and applying complex analytical methods specific to the characterization of water and soil quality parameters. The multitude of analytical investigations carried out covers a variety of activities, such as monitoring environmental pollution and identifying risk factors, assessing the level of contamination and estimating the degree of safety or quality of water and soil, determining the chemical composition of soils, alloys and solid residues.

The main research equipment within the laboratory is:

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Fourier Transform - Infrared (FT-IR) Spectrometer

The spectrometer allows the collection of spectra in the infrared spectral ranges. The software can identify links in materials. The interferogram is transformed into a spectrum using the Fourier equation. The FTIR device allows the structural characterization of ceramic and oxide powders in KBr pellets, glasses, polymeric films that are transposed into infrared. The ATR device can record the spectra of liquids and solid powders. The ATR device has a diamond crystal.

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UV-VIS Molecular Absorption Spectrophotometer, Specord 200 Plus

It provides the right solution for many applications. It can be used in routine analysis or special application in chemistry, pharmacy, medicine, food control, environment and many other fields.

UV/Vis spectroscopy is a method of molecular absorption spectroscopy with ultraviolet and visible radiation mainly on liquid samples measured in absorbance or transmittance.

Also, measurements of solid and gaseous samples are possible. Thus, qualitative information (such as the purity of the substances, identification of the substances or binding conditions) can be obtained, as well as quantitative information (such as the concentration by measuring the end point or by kinetics).

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DR 2800 Spectrophotometer

Used for more than 240 analytical methods, it offers innovative barcode labelling for automatic detection of reliable method. DR 2800 can store up to 50 user programs and 500 data points, including sample and operator ID.

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Calcining Oven

It is used for heat treatment of materials. It has a capacity of 9L and is equipped with ramp temperature controller and basket fan.

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Autoclave digestion

It is used for the hydrothermal synthesis of nanomaterials. It has a detachable PTFE container, with a capacity of 200 mL, in a stainless steel body, with six screws in the lid, to seal the PTFE cup with flange. An expandable wave spring maintains a continuous pressure on the seal during the cooling cycle when the PTFE parts may otherwise relax and drain. The stirring may be provided with a magnetic stirring bar.

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Material Science Suite – Schrödinger

We use Materials Science Suite for: chemical simulation of new materials (mesoporous), atomistic models (organometallic complexes, polymers, nanostructures and nanoparticles), automated workflows for properties (e.g.: optoelectronics, electrochemistry, thermophysical properties, mechanical, properties, reactivity & stability, structure, dynamics & energetics). Materials Science Suite also allows to evolve chemical structures using a biomimetic evolutionary approach based on genetic algorithms.

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Gas Chromatograph Varian CP-3800

Equipped with TCD detector - thermal conductivity and FID - ionization flame, it can qualitatively and quantitatively investigate different gases and gas mixtures in the range of 50ppm - 99.999% vol. for hydrocarbons, permanent gases, rare gases. The Varian CP-3800 GC meets all your analytical requirements with practical solutions for simple and complex applications. In a standard configuration, the CP-3800 accommodates up to three injectors and two detectors, all operating simultaneous. It uses TCD and FID detectors, an optical system for low background, high sensitivity (0.05 ppm F.S.), and greatly improved stability.

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Gas Chromatograph - Bruker SCION 456

The GC is optimized for the fast separation of permanent gases. The sample is injected by means of a gas sampling valve via a mini-gas splitter and divided over the setup of 3 columns: BR Molsieve 5A used to separate hydrogen, oxygen, nitrogen, methane and carbon monoxide before the first peak (a composite “air” peak) elutes from the BR Q Plot column. The third column - BR Alumina/Na2SO4 is used to separate hydrocarbons. Trace levels of permanent gases and carbon dioxide are analyzed within 120 seconds down to an LDL level of 50 PPB.

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Shimadzu Nexis 2030 Gas Chromatograph

It can carry out investigations on the composition of natural gas - hydrocarbons, rare gases, permanent gases - biogas, geothermal gases, etc., with the help of two detectors, TCD and FID, but also by separating the investigated gases on capillary columns of the following type: molecular sieve SM5A, alumina Al2O3/KCl, porapak Q. Analysis/investigation range between 50ppm and 99.999% vol.

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VG ProLab Advanced - Quadrupole Mass Spectrometer

Equipment used to determine impurities in pure gas matrices, Ar, O2, CO2, H2, but also industrial gas mixtures, welding gases, etc. It can measure impurities at ppm level.
One of the most advanced benchtop gas analysis systems available.
The Enclosed Ion Source variant of Smart-IQ+ has been designed to analyse gaseous samples at a much higher accuracy.
On-line gas monitoring enables the purity of process gases to be checked.

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Elemental Analyser

Using combustion and pyrolysis methods, it can qualitatively and quantitatively determine elements such as N/C/H/S/O and the protein level of different types of solid and liquid matrices: coals, graphite electrode, food, waste, diesel fuels, juice, etc.

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Calorimetric System

Solid and liquid matrices are subjected to combustion in the oxygen bomb and energy values for fuels, food, waste are determined.

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C/S and Cl Analyser

The NDIR method used by this type of equipment is necessary and sufficient for qualitatively and quantitatively determination of C/S and Chlorine from matrices with a particular structure, such as graphite electrode, graphite, catalysts, waste.

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Imissions/Emissions Portable Laboratory – Horiba Analysers

A set of sensitive and dedicated equipment for several types of impurities from ambient air: APMA - CO; APHA - hydrocarbons; APNA - NOx; APSA - SOx; MiniRAE, MultiRAE COV, CO2; VereWA - PM10; SVEN Locked - PM2.5; portable weather station; APNAconvertor-NH3; APSAconvertor-H2. The levels of determined concentrations are extremely low <100ppm.

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Flame Atomic Absorption Spectrophotometer

It is used to determine the concentration of metals in various matrices, for areas of the order of parts per billion (ppb). Areas of application: metallurgy, petrochemistry, chemical, food industry, control of surface water, wastewater, drinking water, and soils.

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Mercury Analyzer

It allows the determination of mercury at trace level. The instrument combines ultra-sensitive detection technology with cold vapor technology.

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Demineraliser

It allows digestion under pressure with the help of microwaves. The system works with an innovative sensor concept. Individual sample temperatures and internal pressures are measured and displayed individually and in real time.

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Conductivity Meter

It is used for high precision measurement of conductivity, total dissolved solids (TDS) and salinity. It is suitable for routine measurements and special applications.

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HACH HQ40d Portable Multiparameter

Used for reliable monitoring of pH, conductivity, dissolved oxygen and redox to identify the efficiency of using nanomaterials for treating different types of water.

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Graphite Furnace Atomic Absorption Spectrophotometer

It is used to determine the concentration of metals for domains of the order of parts per million (ppm). Areas of application: metallurgy, petrochemistry, chemical, food industry, control of surface water, waste and drinking water and soils.

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Seven Excellence Multiparameter

It has three expansion units, which allow the measurement of pH, dissolved oxygen and conductivity and is used in monitoring the quality of water both in the laboratory and in the monitoring of tributaries and wastewater.

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SPECORD 250 Molecular Absorption Spectrophotometer

It is intended for measuring the concentration of liquid samples, in the spectral range 190-1100 nm. It is used to determine the content of nitrites, nitrates, sulphates, dissolved sulfides, total cyanides, ammoniacal nitrogen from drinking water, surface water and wastewater.

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HACH Portable Mini-Colorimeter to determine Phosphate

Used to quantify phosphorus content in order to determine the efficiency of use of nanomaterials for treating different types of water.