Process Monitoring Articles

  • Confirming Natural Attenuation Processes at a Coastal Site - Case Study

    Past waste disposal practices at a California coastal site resulted in a groundwater plume containing CVOCs (mainly chlorinated ethenes [CEs] and 1,1-dichloroethane) migrating offshore towards a marine harbor. CVOCs are present in the sediment porewater adjacent to the shoreline, but concentrations decreased significantly between 2000 and 2015, and NA in the marine sediments was suspected. To ...


    By SIREM

  • University Environmental Health & Safety Departments: Handling Compressed Nitrogen and Cryogenics

    An explosion at a university research lab in Hawaii last year highlights the dangers of working with compressed gas and the need for safety equipment on campus. Learn the dangers of working with compressed gas, how an oxygen deficiency monitor can help, and campus safety best practices.  Compressed Gas on Campus: Uses and Dangers Compressed gases including ...

  • How long does it take to get an algae monitoring system running?

    When I buy a new piece of technical equipment for my home, I want to be able to open it up and get it running, at least the basics, in about 5 or 10 minutes. Any more than that, and I think that I’ve bought an old version of a product. Nowadays technology isn’t just better, it should also be easier to use. When you buy industrial or research equipment, the setup process is usually ...


    By Algae Lab Systems

  • What chemicals are used in my sterilizer or high-level disinfectant equipment?

    Do you know the chemicals used in low-temperature sterilizers or high-level disinfectant equipment that you use every day? Here is a quick, high-level guide with some of the most common brands and chemicals used in them. Low-Temperature Sterilizer Brands, Chemicals and Concentrations ...


    By ChemDAQ, Inc.

  • Improved Wastewater Treatment & Paper Mill Performance With New COD Monitoring Technology

    The Nordic Wood Biorefinery Conference was held in Stockholm, Sweden during March 28-30, 2017. An abstract presentation authored by partners from VTT, Kemira, FPInnovations and MANTECH was presented during the conference. The PeCOD® Analyzer has the ability to enable pulp and paper mills to improve effluent treatment process and to optimize chemical programs, leading to proper ...


    By MANTECH

  • Fuzzy analytic hierarchy process approach in drought management: case study of Gorganrood basin, Iran

    The current research attempts to address three main issues. First, due to the fact that it is difficult to employ a unique drought policy for the whole basin with different land uses, what is the most pragmatic approach to handle this issue? The second issue concerns development of a framework to consider both short-term and long-term strategies. Finally, the last issue is attributed to ...


    By IWA Publishing

  • Case study - Oil analysis - House Calls - Help reduce offshore equipment failures

    A new approach It is hard to think of another environment where an equipment failure could have a greater negative impact on employee safety and lost production than an offshore oil and gas production platform. Yet offshore platforms are among the world’s most difficult locations to operate and maintain equipment. In most cases, skilled people and supplies can only reach the ...


    By Spectro Scientific

  • Predictive Analytics Will Be Critical to Beating the Driver Shortage

    The number of people working in the U.S. trucking industry hit an all-time high in December: 1.47 million, according to the U.S. Department of Labor. That’s impressive — and great for the industry — but in no way does it eliminate the intense, industry-wide concern about and focus on the enormous projected need for more drivers every year through at least 2030.  ...


    By Omnitracs, LLC

  • Measuring IR Light and Near-IR Light

    Infrared (IR) light emits a broad range of non-visible wavelengths in the electromagnetic spectrum. Applications for infrared, including near-infrared, are defined by the respective IR bands during output. For example, LIDAR (Light Detection and Ranging) equipment uses 1,000 nm and 1,550 nm IR bands while surveying an area. In the military sector, 850 nm, 1,060 nm and 1,500 nm (and up) are used ...


    By Larson Electronics LLC

  • Santa Cruz Meets THM/DBP Challenge with Unique Air Stripping Process - Case Study

    Summary Santa Cruz has successfully demonstrated an innovative way for the City to meet its water quality goals while using process recycled water as part of its supply source. Using the recycled water had caused concern about reliably meeting the U.S. EPA THM/DBP potable water quality standards in its finished water. The City evaluated various aeration treatment processes and chose an E-Z ...


    By QED Environmental Systems

  • Forget big data! Collect the right data

    The term big data is everywhere nowadays, but what does it actually mean? According to a definition provided by Google, big data is ‘extremely large data sets that may be analysed computationally to reveal patterns, trends, and associations.’ Sounds great, right? In theory, yes. Through big data, businesses can have a greater overview of their operations than ever before, allowing ...


    By Hansford Sensors

  • Real-time monitoring for reduced chemical maintenance

    We are pleased to be featured in this month’s American Laundry News digital edition, together with our customer Walter E. Nelson, a janitorial, paper and chemical distributor in the Northwest that provides a wide range of laundry products and equipment. Jerry Roberts, of Walter E. Nelson, explains how he has experienced a significative ...

  • How data and analytics are keeping Philly’s water safe

    CH2M assisted Philadelphia to implement a Surveillance and Response System (SRS) demonstration project under the U.S. Environmental Protection Agency’s (EPA’s) Water Security Initiative. CH2M Global Director Smart Cities and Senior Technology Fellow Dr. Avinash S. Patwardhan and Ken Thompson, CH2M Deputy Director Intelligent Water Solutions and Senior ...


    By CH2M Hill Companies, Ltd.

  • Instek LTM Probes provide faster response times and superior pulp level monitoring

    Do you need reliable signals with accurate pulp level detection, low maintenance costs AND simultaneously increase your recoveries? Instek Control LTM products provide superior pulp-level interface monitoring through the benefits of conductance technology and advanced digital signal processing logic. Ideal for monitoring froth or foam covered process cells, tanks and sumps, the LTM probe ...


    By Zeroday Enterprises, LLC

  • An approximate model on three-dimensional groundwater infiltration in sewer systems

    Groundwater infiltration through cracked sewer pipes has caused significant economic losses. This paper presents a three-dimensional analytical expression for calculating the steady-state groundwater infiltration rate into sewer systems. As an extension of the previously developed two-dimensional model by the author, this new model can be used to simulate the infiltration through an orifice ...


    By IWA Publishing

  • 5 Reasons to automate a Process Development Lab

    5 Reasons why you should automate a Process Development Lab Higher throughput Increased success rate Reduced resource requirement Improved technical transfer and scale-up readiness Significant Return on Investment We can show how a networked PD and/or MSAT lab bioreactor automation system can dramatically improve lab productivity, increase ...


    By Broadley-James Ltd

  • Combined process of electrocoagulation and photocatalytic degradation for the treatment of olive washing wastewater

    In this study, an electrocoagulation reactor (ECR) and photocatalytic reactor (PCR) were tested to understand the performance of combined electrocoagulation and photocatalytic-degradation of olive washing wastewater (OWW). The effects of initial pH (6.0, 6.9, 8.0, 9.0), applied voltage (10.0, 12.5, 15.0 V), and operating time (30, 60, 90, 120 min) were investigated in the electrocoagulation ...


    By IWA Publishing

  • Monitoring gas mixtures in Weld Overlay Cladding production - Case Study

    Arc Energy utilise the 542 binary gas analyser to monitor the mixture of gases in their weld overlay process. Arc Energy Resources was started by European Welding Engineer, Alan Robinson in 1994. Since then they have become a worldwide contractor of weld overlay clad products and services. Arc Energy’s weld overlay cladding provides heavy duty protection against corrosion and ...


    By Systech Instruments Ltd

  • Using CoBupH MG to adjust aquifer pH - Case Study

    Problem A US Government site had elevated TCE. Low aquifer pH stalled in situ bioremediation. ...


    By EOS Remediation, LLC

  • Utilizing analytic hierarchy process (AHP) for decision making in water loss management of intermittent water supply systems

    Increasing water demands, in parallel with water scarcity, force water utilities in developing countries to follow complex operation techniques for the distribution of the available amounts of water. The reduction of water losses from water supply systems can help fill the gap between supply and demand. This strategy is characterized by the variety of options, and identification of the most ...


    By IWA Publishing

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