Applications in South Africa

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    Odor control for composting

    Control Composting Odors, Naturally: Municipal sludge is often composted in indoor facilities or composting sheds. These areas create significant odor control challenges. Ecosorb products, either evaporated or atomized in concentrate form with nozzles or humidifying fans, control industrial odors even in very large composting facilities.

    By OMI Industries (OMI) Distributor in Krugersdorp-North, SOUTH AFRICA.

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    Rapid Determination of Pesticides in Spinach

    Highly pigmented foods, such as spinach, require cleanup prior to analysis for pesticide residues. A dual-layer SPE tube containing graphitized carbon and aminopropyl on silica (NH2) is often used because; Carbon removes pigments and sterols and NH2 removes fatty acids, polar pigments, organic acids, and sugars. Removing these matrix materials reduces interferences that can lead to ion suppression in LC-MS, inlet contamination in GC-MS, and column contamination for both techniques. Our Supel Sphere Carbon/NH2 SPE tube uses spherical materials for both the carbon and NH2 layers, providing fast, more consistent flows compared to tubes containing granular material. This allows gravity elution (instead of vacuum elution) to be applied to Supel Sphere tubes, resulting in more contact time between extracts and sorbents.

    By Sigma-Aldrich Co., LLC Office in Johannesburg, SOUTH AFRICA.

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    Improved Recovery of the Fungicide Carbendazim

    Fungicide carbendazim can some times be used to combat mold on citrus fruits including oranges. Recently, low residue levels of the fungicide were reported to be present in the bulk orange juice import shipments to the USA. Because this compound can persist through processing steps and may be found in the final consumer product, many government agencies have established maximum residue limits (MRLs) to ensure the safety of their population. Presented here is a single method, involving fast and effective QuEChERS cleanup, suitable for various orange juice matrices. The choice of PSA/C18 sorbents reduced interferences, resulting in greater recoveries and less ion-suppression. Because the QuEChERS method is fast, it only adds a few minutes to the sample preparation procedure. Sample processing using QuEChERS with PSA/C18 allows analysts to accurately process various matrices in a single workflow, with very little additional sample preparation time.

    By Sigma-Aldrich Co., LLC Office in Johannesburg, SOUTH AFRICA.

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    Reproducible Recoveries of Pesticides from Fruits and Vegetables

    A group of 30 compounds was selected, representing pesticides, acaricides, insecticides, and fungicides. These samples were analyzed using Supel™ QuE QuEChERS and an Ascentis® Express RP-Amide HPLC Column.

    By Sigma-Aldrich Co., LLC Office in Johannesburg, SOUTH AFRICA.

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    Improved Resolution of Mycotoxins from Cereal

    Mycotoxins are a diverse group comprised of hundreds of secondary metabolic products of various fungal species. Several show marked toxicity in humans. Contamination of the food supply with mycotoxins is increasingly prevalent, and can occur during growth, harvest, transportation, processing or storage. Techniques to reduce mycotoxin concentration after contamination are expensive, unreliable and sometimes reversible. Therefore, the removal of contaminated products from the food chain is a primary means of eliminating human exposure. The sensitive and accurate detection of very low levels of these compounds is critical to efforts to identify contaminated products. LC-MS/MS is a popular analytical technique for this purpose. This application explores using Ascentis® Express RP-Amide and Ascentis Express F5 HPLC columns to perform this analysis.

    By Sigma-Aldrich Co., LLC Office in Johannesburg, SOUTH AFRICA.

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    Flow Monitoring for Golf Course Irrigation

    A new TTFM 1.0 Transit Time Flowmeter monitors and logs irrigation water pumped to sprinklers at Summerheights Golf Links. The clamp-on flowmeter is used to comply with a Ministry of Environment permit.

    By Greyline Instruments Inc. Distributor in SOUTH AFRICA.

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    Ultraviolet Disinfection for Aquaculture

    The use of atg UV Technology Ultraviolet disinfection systems in fish farms, mussel farms, aquariums and hatcheries has lead to the production of healthier and larger fish, improved water quality, possible increases in stock density and vastly reduces the risk of disease. atg UV Technology`s disinfection systems are chemical free, automatic and cannot be overdosed, therefore maintaining the physical characteristics of the water such as PH levels and temperature whilst avoiding the introduction of harmful toxins such as chlorine into the environment. Ultraviolet disinfection is non selective in the destruction of all water borne bacteria, pathogens, viruses and micro-organisms.

    By atg UV Technology Distributor in SOUTH AFRICA.

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    Sustainable solutions for food & agriculture industry

    Agriculture is vital to human welfare providing a range of products including food, textiles, fibres and fuels. Along with the many benefits derived from agriculture there are of course also significant associated environmental impacts. As a result there is increasing pressure from stakeholders in all parts of the supply chain to better understand the environmental impacts of agriculture and an increasing demand for more sustainable food production systems.

    By thinkstep Office in Gauteng, SOUTH AFRICA.

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    Landscape Mulch Installation Equipment

    Your profits depend on getting the most productivity from every dollar you spend. You hire people to perform multiple tasks - why shouldn't your equipment do the same? FINN Bark & Mulch Blowers are the most versatile performers you can find, delivering high quality results in landscaping, erosion control, and construction related applications. With high production bulk material handling and accurate application, your workers can increase productivity up to 700%. And since FINN Bark & Mulch Blowers apply uniform coverage, you’ll achieve material savings of 25% or more. It is the most versatile worker on the job site – delivering needed materials to hillsides, tough terrain, and all hard-to-reach areas.

    By FINN Corporation Distributor in Republic of South Africa, SOUTH AFRICA.

  • Geomembranes for Shrimp Farming Ponds

    Intensive commercial shrimp farming began in the late 1960s led in part by technological advances and growing market demand. Today, shrimp farming is so intensive (in some cases close to 300 000 shrimps per hectare) that it requires industrially prepared shrimp feeds, fertilizing the ponds to stimulate the growth of organisms, aeration to prevent oxygen depletion and regular tidal water exchange.  Solmax geomembranes have been used in some of the largest shrimp pond projects in the world. There are several key benefits of lining shrimp ponds with geomembranes. Durable and robust, the HDPE surface prevents weeds, grasses, mud and other obstructive contaminants from entering the pond.  The HDPE substrate is known to reduce the suitability of the environment for bacteria thereby reducing the need for antibiotics. Geomembranes can also protect the slopes and banks from erosion and allow for easy detection and rapid removal of sediment and waste products.

    Here are several factors to consider when deciding which type of geomembrane to use in a Shrimp Pond application:

    • Stress crack resistance
    • Tensile and elongation properties
    • Tear and puncture resistance
    • Duration of the project
    • U.V exposure

    Please contact us if you need technical support or need to speak with a sales representative.

    By Solmax Office in Potchefstroom, SOUTH AFRICA.

  • Geomembranes for Fish Pond Applications

    In either decorative fish ponds or fish farming ponds, HDPE geomembranes and Fish-Grade PVC are used to avoid soil contact and minimize water contamination. Geomembranes prevent both waste accumulation in the soil and leaching of harmful chemicals into the ponds such as ammonia, hydrogen sulphide, acidic constituents, iron and other potentially stressful compounds. This protection improves fish growth while reducing the risk of disease. HDPE geomembranes also reduce erosion, allow for easy removal of wastes within the ponds, provide a smooth harvesting surface, and offer long-term U.V protection in tropical installations. Solmax geomembranes have been used in a variety of fish ponds applications whether for decorative or farming purposes.

    Here are several factors to consider when deciding which type of geomembrane to use in a fish pond application:

    • Stress crack resistance
    • Tensile and elongation properties
    • Tear and puncture resistance
    • Duration of the project
    • UV exposure

    Please contact us for any technical support or to speak with a sales representative.

    By Solmax Office in Potchefstroom, SOUTH AFRICA.

  • Agricultural Irrigation / Landscape Irrigation

    applications that include: Agricultural and landscape irrigation Aquaculture Industrial water processing Industrial wastewater treatment Municipal water treatment (drinking and waste treatment) Prefiltration to protect costly media and reverse-osmosis systems

    By Amiad Filtration Systems Ltd. Distributor in SOUTH AFRICA.

  • Monitoring Equipment for Fish Farms

    OxyGuard was founded as the first company in the world dedicated to providing metering, monitoring and control equipment to fish farms. The oxygen probes and multi-channel systems were revolutionary, and helped fish farming grow into the Aquaculture Industry that it is today. 

    Whether you need a hand-held DO meter or a system that can control your entire fish farm, OxyGuard equipment will help you run a profitable business. The return on investment time for OxyGuard equipment is short, even if you already monitor water quality the improved accuracy and stability of OxyGuard DO probes and control systems will give you considerable benefits.

    OxyGuard gained a reputation for excellence that led to a demand for other products and from other markets, but the company`s main focus is still on aquaculture. Improvements and the introduction of new technology have taken place, but the company philosophy is still to provide the fish farmer with precisely the equipment that is needed.

    Previously a simple oxygen measurement was enough - this is not the case today. The Aquaculture industry has grown; the demands to fish farming methods and the equipment used have grown with it. OxyGuard have designed the Commander system to meet these demands - and have made sure that Commander has the scope and flexibility to meet future demands.

    By OxyGuard International A/S Distributor in SOUTH AFRICA.

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