particle analyzer Articles

  • An overview of micron-ranged particle sizing techniques

    Given the wide range of particle sizing technologies and instrumentation on the market, the choice of measurement technique can be daunting, especially if one is unfamiliar with the options available. Once introduced and familiar with an individual technique, it can be easy to continue to choose it by default. While this is certainly understandable, it may prove a disservice when the technique is ...


    By Particle Technology Labs

  • Sampling, testing and modeling particle size distribution in urban catch basins

    The study analyzed the particle size distribution of particulate matter (PM) retained in two catch basins located, respectively, near a parking lot and a traffic intersection with common high levels of traffic activity. Also, the treatment performance of a filter medium was evaluated by laboratory testing. The experimental treatment results and the field data were then used as inputs to a ...


    By IWA Publishing

  • Blending of Log Normal Particle Size Data from Multiple Analyses into Continuous Data Set

    Abstract Image analysis is one method by which particle size may be measured. In many cases, it is considered the "gold standard" of particle size measurement and is often used to verify the results of other techniques. Sample particle size distributions are often broad, sometimes covering two to three decades of particle diameter. It is also common to analyze samples that are multi-modal ...


    By Particle Technology Labs

  • Particle-size fractions-dependent extracellular enzyme activity in sediments and implications for resource allocation in a subtropical mangrove ecosys

    The distribution of extracellular enzyme activities in particle-size fractions of sediments was investigated in a subtropical mangrove ecosystem. Five enzymes involved in carbon (C), nitrogen (N), and phosphorus (P) cycling were analyzed in the sand, silt, and clay of sediments. Among these fractions, the highest activities of phenol oxidase (PHO), β-D glucosidase (GLU), and ...


    By GJESM Journal

  • Analysis of hydrocyclone behaviors in the separation of particulates from highway rainfall runoff

    In this study, the separation behaviors of particles in highway rainfall runoff using a Ø7.5 cm hydrocyclone were examined. The volume fraction and the total suspended solids concentrations in the overflow and underflow from the hydrocyclone were analyzed. The results indicated that the overflow volume fraction increased with increasing operational pressure, but decreased with decreasing ratio of ...


    By IWA Publishing

  • Impact of heating method on the flocculation process using thermosensitive polymer

     Flocculation process based on water soluble polymers as flocculating agents is still intensively researched nowadays, despite the introduction of these materials about fifty years ago. There is a need to gain the full control of this process in order to obtain high efficiency and strictly define products. For that purpose new solutions are proposed like stimuli-responsive macromolecules. In ...


    By IWA Publishing

  • Pin Mill helps cosmetics producer meet quality standards

    With seven manufacturing and distribution facilities, totaling more than 2.5 million sq ft (232,225 sq m), Cosmetic Essence, Inc. (CEI, Holmdel, NJ) claims to be the leading global provider of services to the personal care industry. While the bulk of its business is contract production and packaging of products for the world's brand name cosmetics companies, CEI also does research and development ...

  • Bed Level Measurement

    Numerous studies and papers have been devoted to the subject of thickener design and operation to achieve specified throughput and discharge densities. Mathematical models have been developed that present methods for sizing thickeners and predicting performance under varying process conditions. The compression effect of deeper beds on dewatering performance is a recognized phenomenon. This is one ...


    By WesTech Engineering, Inc.

  • Best Practices: Sample Planning for Quantitative NIR Methods

    The focus of this post is NIR project and sample planning, a critical step in the NIR method development process that often gets rushed through in the eagerness to have our NIR instruments pump out measurement results.  Putting some extra effort in sample planning could pay off big dividends in terms of two things I suspect are really important to you – accuracy and robustness. So, ...


    By BÜCHI Labortechnik AG

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