dissolved organic carbon News

  • Sky high – Fast detection of total organic carbon peak loads

    Normally, production facilities have low waste water discharge levels, mostly within the range of 1,000 ppm TOC (total organic carbon). However, occasionally the installation can suffer failures or process disturbances take place. In this case, the range could very well reach a level of up to 50,000 ppm. If these go ...


    By LAR Process Analysers AG

  • ASTM D513 - 11e1 Standard Test Methods for Total and Dissolved Carbon Dioxide in Water

    Carbon dioxide is a major respiration product of plants and animals and a decomposition product of organic matter and certain minerals. The atmosphere averages about 0.04 vol % of CO2. Surface waters generally contain less than 10 mg/L, except at local points of abnormal organic or mineral decomposition; however, underground water, particularly deep waters, may contain ...


    By ASTM International

  • METTLER TOLEDO launches intelligent dissolved CO2 sensor for brewery and carbonated soft drinks industries

    With the InPro 5500i, intelligent dissolved carbon dioxide (CO2 ) measurement is now available for brewery and carbonated soft drinks applications. METTLER TOLEDO Process Analytics has enhanced the well-established thermal conductivity CO2 measurement principle to be more durable by adding Intelligent Sensor Management (ISM) functionality. ISM simplifies sensor handling and increases reliability, ...


    By Mettler - Toledo Int. Inc

  • New Installation Reduces Turbidity and Total Organic Carbon in Alabama

    WesTech Engineering has supplied critical equipment in the construction of the High Point Water Treatment Plant near Henager, Alabama.  Built in response to growing populations in and around Henager, the new plant has reduced turbidity and total organic carbon (TOC), increased water quality, and simplified operations and maintenance. Northeast Alabama Water District (NEAW) services 15,200 ...


    By WesTech Engineering, Inc.

  • Dissolved Methane Found in Some New York Groundwater

    A recent study that looked at groundwater samples from more than 200 wells across New York State found levels of naturally-occurring methane high enough to warrant monitoring or other actions in nine percent of the water samples tested, according to U.S. Geological Survey research. While 91 percent of samples tested found no dissolved methane, or levels below the threshold that would require ...

  • ASTM D4129 - 05(2012) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection

    This test method is necessary because of the need for rapid reliable tests for carbonaceous material in waters and sediments. It is used for determining the concentration of organic carbon in water that comes from a variety of natural, domestic, and industrial sources. Typically, these measurements are used to monitor organic pollutants in domestic and industrial waste water. When a ...


    By ASTM International

  • Human and physical geography affect organic nutrients in streams

    Rainfall causes carbon, nitrogen and phosphorus, dissolved from natural, agricultural and urban sources, to run into rivers. This can affect water quality by promoting eutrophication, pollution and affecting water temperature and clarity. Researchers have recently studied differences in concentrations of these nutrients in streams across Europe. The Water Framework1 and Urban Wastewater2 ...

  • Putting carbon dioxide to work

    Every year, about 30 billion metric tons of carbon dioxide are pumped into the Earth's atmosphere from power plants, cars and other industrial sources that rely on fossil fuels. Scientists who want to mitigate carbon dioxide's effects on global climate have started experimenting with storing the gas underground, a process known as carbon sequestration. However, there are still many unknowns ...


    By GLOBE Foundation

  • Typhoons bury tons of carbon in the oceans

    A single typhoon in Taiwan buries as much carbon in the ocean - in the form of sediment - as all the other rains in that country all year long combined. That's the finding of an Ohio State University study published in a recent issue of the journal Geology. The study - the first ever to examine the chemistry of stream water and sediments that were being washed out to sea while a typhoon was ...


  • Sun sheds light on Arctic carbon puzzle

    One of the puzzles of the permafrost has been solved by scientists in the US. The key to the carbon cycle in the Arctic north is not the microbe population − it’s the sunlight. Such a discovery is not, strictly speaking, concerned with climate change, but with the more detailed question of how the world ...


    By Climate News Network

  • Rhode Island Organization and Residents Recognized by EPA for Environmental Achievements

    Two winners in Rhode Island were recognized today at EPA’s 2015 Environmental Merit Awards ceremony. The environmental leaders were among 27 recipients across New England honored for helping to improve New England’s environment. Each year EPA New England recognizes individuals and groups in the six New England states who have worked to protect or improve the region’s environment ...

  • Oceans` uptake of manmade carbon may be slowing

    The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the industrial era suggests the oceans are struggling to keep up with rising emissions—a finding with potentially wide implications for future climate. The study appears in this week’s issue of the ...

  • Increased concerns over fluvial carbon losses from deforested tropical peatlands

    Over 20% more carbon could be being released by tropical peatlands than previously estimated, a new study suggests. The research highlights the large quantities of carbon lost to rivers from deforested and degraded peatlands in Indonesia, in addition to carbon released as CO2 gas. Peatlands are an important carbon store and the peat swamp forests of south-east Asia have experienced excessive ...

  • African river study fills gap in carbon emissions tally

    African rivers emit a vast amount of greenhouse gases, a major paper on this understudied topic reveals. As rivers carry organic matter from the land to the oceans, bacteria turn it into greenhouse gases. While previous analyses had quantified emissions of these gases from rivers in Brazil, Europe and North America, the study in the journal Nature ...


    By SciDev.Net

  • Environmentally-Friendly Gas Treatment Systems from Linde Efficiently Control pH, BOD, Organics and Odors in Wastewater

    Water and wastewater treatment plants can more efficiently control pH, biological oxygen demand (BOD), dissolved organics and odors with high-performance, environmentally-friendly gas injection systems from ...


    By Linde Group

  • Department of Energy Announces $41 million investment for carbon capture development

    The U.S. Department of Energy announced today the selection of 16 projects aimed at developing advanced post-combustion technologies for capturing carbon dioxide (CO2) from coal–fired power plants.  The projects, valued at $41 million over three years, are focused on reducing the energy and cost penalties associated with applying currently available carbon capture technologies to ...


    By US Department of Energy

  • Edinburgh Sensors product of choice for TOC monitoring

    Edinburgh Sensors is pleased to announce its sensors are now being integrated into a number of systems for Total Organic Carbon (TOC) measurement. A number of key global players have adopted Edinburgh Sensors products into their applications and as interest continues, Edinburgh Sensors are becoming the product of choice.   Total Organic Carbon represents a measure of the amount ...


    By Edinburgh Instruments Ltd

  • Optical water quality assessment

    Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon.  The study was designed to assess the amount, type and source of dissolved organic carbon that exists in all sources of drinking water. Dissolved organic carbon can react with chlorine during water treatment and form ...

  • 13C-enriched PCE Study to Evaluate the CL-Out Aerobic Cometabolic Pathway

    CL Solutions partnered with Microbial Insights Laboratory of Rockford, Tennessee to evaluate the cometabolic pathway that CL-Out utilizes to completely degrade PCE. Field applications have demonstrated the effectiveness of CL-Out®, but laboratory investigations have lagged behind our field progress. Other researchers have demonstrated an aerobic pathway for PCE and TCE utilized by pseudomonas ...


    By CL Solutions, LLC

  • Antarctic scientists to study ocean acidification

    The effects of ocean acidification, caused by atmospheric carbon dioxide dissolving in the ocean, will be a focus of research at Antarctica's Davis station this summer. Scientist Dr Andrew Davidson says that the research project will investigate the effects of ocean acidification on Antarctic marine microbes (phytoplankton, protozoa and bacteria). 'These organisms play a vital role in the marine ...


    By Australian Government

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you