CHEMISTRY, PETROCHEMISTRY & ENVIRONMENTAL TECHNOLOGY

Equipment Applications for Environmental Technology

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Desalination Units

Fresh water for both agricultural and human consumption is a critical resource that needs to be managed, especially in areas that have a limited supply. The processing of seawater or brine via desalinization processes is an invaluable tool to address water shortages. 

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Desalinization Process Monitoring

Salt water or brine can be processed to fresh water via reverse osmosis membranes, which effectively filters out all unwanted components of the input stream. The resulting fresh water is then useful for agricultural or other applications. Since the waters that are extracted often contain high levels of either organic materials or microorganisms, the water needs to be treated in order to avoid biofouling of the process environment. Treating the input water with chlorine is used to disinfect and prevent biofouling. Additionally, the chlorine needs to be neutralized, as it is damaging to the reverse osmosis membranes. tec5USA provides an real time, on-line solution for monitoring the neutralization agent, sodium metabisulfite. The UV solution can monitor the residual sulfite and bisulfite concentrations in order to control the amount of material used, resulting in savings in materials costs and extending the lifetime of the reverse osmosis membranes.

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    Frequently Asked Questions at tec5USA

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    Typical applications include white light interference for thin film analysis, UV absorption of proteins for quantitative analysis, colorimetry, impurity detection in water, cleaning validation for API manufacturing, polymerization inhibitor monitoring, electroplating bath monitoring....

    The spectroscopic methodology is determined by which parameters are important to monitor during a process. For example, if you want to monitor protein concentration in a bioreactor, in which the biosynthesis takes place in an aqueous medium, then you likely would want to use Raman spectroscopy for the application, as water does not contribute to the Raman signal. Alternatively, if moisture content is important, water has very strong absorption in the NIR due to several vibrational and combination modes that can be monitored; water is transparent in the UV and visible spectral region. Understanding which chemical is important as there could be various factors that influence the choice of methodology....

    NIR spectroscopy is utilized across a variety of industries for qualitative and quantitative product analysis. Typical industries include Chemistry, Pharmacology, Food Feed & Beverage, Agriculture, and others. NIR spectroscopy is well suited for species containing C-H, N-H & O-H bonds, making it a wide-range technology for a variety of applications such as moisture, fat, oil, alcohol, APIs, polymers, etc....

    Raman spectroscopy is a technique which is used for several markets. These industries include Oil and Gas, Pharmacology, Biotechnology, Petrochemistry and many others. Due to the high selectivity of Raman spectroscopy, it is a powerful tool for many applications including, hydrocarbon analysis, bioreactor protein monitoring, crystallization monitoring, API concentration, polymer identification, surfactant analysis, natural gas components and several others....

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