ftir Articles

266 Results found

Doubling the SRF production capacity with TANA Shark

by Tana Oy  (Sep. 24, 2014)

A company in France operating in landfill, waste management and fuel production businesses produces SRF (Solid Recovered Fuel) from unsorted industrial waste for their own mill. The key for improving productivity of all these three business areas is a more effective shredding process to increase the low SRF production capacity. TANA ran a ...

Development of permeability properties of polyamide thin film composite nanofiltration membrane by using the dimethyl sulfoxide additive

by IWA Publishing  (Sep. 5, 2014)

A novel polyamide thin film composite (PATFC) as a nanofiltration (NF) membrane was prepared by a modified interfacial polymerization (IP) reaction. Herein trimesoyl chloride and piperazine as the reagents, dimethyl sulfoxide (DMSO) as additive and polysulfone (PSF) ultrafiltration membrane as support were used respectively. The main goal of the ...

FTIR analyser improves anaesthetic gas detection at Torbay Hospital

by Gasmet Technologies Oy  (Dec. 10, 2013)

A unique gas measurement technology has enabled South Devon Healthcare’s Pharmacy Manufacturing Unit (PMU) at Torbay Hospital to conduct highly effective and detailed analysis of anaesthetic gases in a variety of hospital locations. The primary function of the PMU’s quality control department is to check active ingredient levels and ...

Equilibrium analysis for heavy metal cation removal using cement kiln dust

by IWA Publishing  (Sep. 29, 2014)

Ion exchange, reverse osmosis, and chemical precipitation have been investigated extensively for heavy metal uptake. However, they are deemed too expensive to meet stringent effluent characteristics. In this study, cement kiln dust (CKD) was examined for the removal of target heavy metals. Adsorption studies in completely mixed batch reactors ...

Wastewater Treatment Plant Monitors Greenhouse Gas Emissions

by Gasmet Technologies Oy  (Apr. 16, 2014)

Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in Helsinki, Finland, a large municipal wastewater treatment facility continuously monitors its emissions of greenhouse ...

Synthetic organic polymer fouling in municipal wastewater reuse reverse osmosis

by IWA Publishing  (Sep. 5, 2014)

A full scale waste water reuse plant suffered from irreversible fouling of the reverse osmosis (RO) membranes. The major suspect of fouling is cationic organic polymers applied in the wastewater sludge treatment. Thus, the purpose of this research is to study the effect of six cationic polymers, applied in the plant, on RO membrane performance. ...

Effects of pH on chromate(VI) adsorption by Spirulina platensis biomass: batch tests and FT-IR studies

by IWA Publishing  (May 9, 2013)

Raw and methylated biomass of Spirulina platensis was employed in chromate batch adsorption tests at pH range 1–7. The acid conditions seemed to favour the removal of chromium (Cr) with a yield of 87.0 and 97.6% by using raw and methylated biomass, respectively. However, the chromate and total chromium determination, carried out in ...

FTIR gas analysis improves container safety

by Gasmet Technologies Oy  (Feb. 22, 2013)

Introduction Entry to freight containers represents a significant hazard to staff responsible for inspection, stuffing or destuffing because of the large number of airborne chemicals that can be present. Research in Germany and the Netherlands found hazardous levels of gases and vapours in around 20% of all containers and this level of ...

Steam–activated carbon prepared from Chrysophyllum albidum seed shell for the adsorption of cadmium in wastewater: kinetics, equilibrium and thermodynamic studies

by Inderscience Publishers  (Aug. 1, 2013)

Steam–Activated Carbon (SAC) prepared from shell of the seed of Chrysophyllum albidum was used to adsorb cadmium (Cd) ion from aqueous solution. The sorption process with respect to its equilibria, kinetics and thermodynamics as well as the effects of pH, contact time, adsorbent mass, adsorbate concentration and particle size on adsorption was ...

Preparation of carboxymethyl-quaternized oligochitosan and its scale inhibition and antibacterial activity

by IWA Publishing  (May 28, 2014)

Carboxymethyl-quaternized oligochitosan (CMQAOC) was prepared through carboxymethylization and N-quaternization of oligochitosan (OC) which was obtained from chitosan degradation. The structure was confirmed by Fourier transform infrared spectroscopy (FT-IR), 1H-NMR, and X-ray diffraction (XRD) analysis. The performances for both scale and ...

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