package clarifier Articles

  • Circular Economy Package: Questions & Answers

    What is the Circular Economy? To ensure sustainable growth for the EU we have to use our resources in a smarter, more sustainable way. It is clear that the linear model of economic growth we relied on in the past is no longer suited for the needs of today's modern societies in a globalised world. We cannot build our future on a 'take-make-dispose' model. Many natural resources are ...

  • Introduction to Decentralized Packaged Wastewater Treatment (PWWT) Systems - PDH Article

    Learning Objectives After reading this article, you should understand: Functions and processes of a decentralized PWWT system; Design considerations of a PWWT system. Overview "Clean water will be the oil of the 21st Century." The accuracy and magnitude of this statement is resonating worldwide. ...

  • PHMSA Publishes Final Rule HM-231 – Packaging of HM

    On Tuesday, February 1, 2010, the US Pipeline and Hazardous Materials Safety Administration (PHMSA) published a final rule under Docket HM-231 regarding packaging requirements in the Hazardous Materials Regulations (HMR). The final rule is effective October 1, 2010, with voluntary compliance allowed as of March 4, 2010. In the final rule, PHMSA has revised several packaging requirements with ...


    By The Compliance Center (ICC)

  • A Closer Look at the Dangers of Uncalibrated Simulators

    ABSTRACT Sedran et al. (2006) determined the required aerobic reactor volume to achieve 1 mgN/L effluent ammonia in a nitrifying plant, using three commercial simulators (BioWin, GPS-X and Plan-It- Stoat). The paper reports significant differences between the required reactor volumes calculated by different packages using several activated sludge models in each. The authors were unable to ...

  • HM-218D – The US Moves Forward on Gasohol and Other Updates

    On January 28, the US DOT passed Amendment HM-218D. This final rule adopts various updates and amendments to the Hazardous Materials Regulations (HMR) of 49 CFR, and is intended to provide relief to industry by clarifying and, in some cases, relaxing certain requirements. A major goal of this amendment is to help the environment by simplifying the shipment of Gasohol, a blend of gasoline with ...


    By The Compliance Center (ICC)

  • Detection of chlorpyrifos in soil

    MATRIX: Soil ANALYTES: Chlorpyrifos RANGE OF DETECTION: Chlorpyrifos: 10-500 ppb MATERIALS: Chlorpyrifos RaPID AssayÒ Kit and Sample Diluent. Methanol (pesticide grade). Sample Extraction Kit (call SDI for details0. SAMPLE PREPARATION: Allow frozen samples to thaw. Break up large ...


  • Detection of carbaryl in soil

    MATRIX: Soil ANALYTE: Carbaryl RANGE OF DETECTION: 40 to 500 ppb MATERIALS: SDI Carbaryl RaPID AssayÒ kit and Sample Diluent. SDI RaPID PrepÔ Soil Collection Kit (optional). SDI RaPID PrepÔ Extraction Kit: Type II (extraction solution, optional) Reagents: Methanol (pesticide grade), distilled or ...


  • Detection of captan in soil

    MATRIX: Soil ANALYTE: Captan RANGE OF DETECTION: 8 to 300 ppm MATERIALS: Captan RaPID Assay, Kit and Sample Diluent. Reagents: acetone (pesticide grade) Equipment: reciprocating shaker, plastic bottles (polypropylene or high density polyethylene, 50 or 60 mL) with plastic lined screw caps, filtration apparatus (funnel and ...


  • Shell - produced water treatment

    Client: Shell Auk CETCO Oilfield Services mobilised an 18” diameter twin vessel CrudeSep® test skid and a RFV 3000 adsorption skid comprising of dual sock filter pods and two vessels holding adsorption media canisters. The CETCO equipment was tied in downstream of the existing WEMCO and hydrocylones and successfully treated produced water at a variety of rates. Samples were taken from a variety ...


    By CETCO Energy Services

  • Understanding Oil-in-Water Instrument Specifications

    The measurement capabilities of oil-in-water analysis methods are described by several analytical figures-of-merit. Examples are: Range (Linear and Dynamic) Limit of Detection (LOD) Limit of Quantification (LOQ) Precision (Repeatability and Reproducibility) Sensitivity Accuracy Response Time Some or all of these are often specified by customers in the bid packages issued when selecting a ...

  • Development of Final Sedimentation Tank Maximum Operating Capacity Curves Using Vesilind Settling Parameters and Mathematical Modeling

    New advances in development of maximum operating capacity curves using final sedimentation tank (FST) computational fluid dynamic (CFD) package – High Accuracy Clarifier Model (HACM©) and Vesilind settling parameters (Vo and k) were successfully applied in a recent project at the Sai Kung Sewage Treatment Works of the Drainage Services Department (DSD) in Hong Kong. The advances consist of more ...

  • Cost-efficient ditch provides a sustainable solution - Munising, Mich., needed a system that would weather the Upper Peninsula`s harsh winters

    The Munising Wastewater Treatment Plant in Munising, Mich., sits on the shores of rugged and picturesque Lake Superior in the state’s Upper Peninsula. When the city needed to replace an aging system, they chose the Tri-Oval oxidation ditch system for its overall costs savings, process control and operational flexibility. Until February of this year, the city was using two conventional ...

  • Detection of 2,4-D in soil

    MATRIX: Soil ANALYTES: 2,4-D RANGE OF DETECTION: 150 ppb to 7.5 ppm MATERIALS: 2,4-D RaPID AssayÒ Kit and Sample Diluent Reagents: methanol (pesticide grade), distilled or deionized water, glacial acetic acid. Equipment: reciprocating shaker, plastic bottles (polypropylene or high density polyethylene, 50 or 60 mL) ...


  • Detection of carbendazim in soil

    MATRIX: Soil ANALYTE: Carbendazim, a metabolite of benomyl RANGE OF DETECTION: 37.5 to 750 ppb MATERIALS: Benomyl/Carbendazim RaPID Assay kit and Sample Diluent Reagents: methanol (pesticide grade), sodium hydroxide (ACS grade), distilled or deionized water. Equipment: reciprocating shaker, plastic bottles ...


  • Detection of pentachlorophenol in soil

    MATRIX: Soil ANALYTES: Pentachlorophenol (PCP) RANGE OF DETECTION: 100 ppb to 10 ppm MATERIALS: Pentachlorophenol RaPID AssayÒ kit and Sample Diluent Reagents: methanol (reagent grade), sodium hydroxide (ACS grade), distilled or deionized water. Equipment: reciprocating shaker, plastic bottles (polypropylene or ...


  • Detection of atrazine, alachlor, cyanazine and metolachlor in soil

    MATRIX: Soil ANALYTES: Atrazine, Alachlor, Cyanazine, and Metolachlor RANGE OF DETECTION: Atrazine: 15-750 ppb Alachlor: 15-750 ppb Cyanazine: 15-450 ppb Metolachlor: 15-750 ppb MATERIALS: RaPID Assay Kit and Sample Diluent Reagents: methanol (pesticide grade), distilled or deionized water. ...


  • Detection of carbofuran in soil

    MATRIX: Soil ANALYTE: Carbofuran RANGE OF DETECTION: 10 to 500 ppb MATERIALS: Carbofuran RaPID AssayÒ kit and Sample Diluent. Reagents: methanol (pesticide grade), distilled or deionized water. Equipment: reciprocating shaker, plastic bottles (polypropylene or high density polyethylene, 50 or 60 mL) with ...


  • CH#830 - Bioaugmentation Improves Performance of Brewery Waste Treatment Plant

    Introduction This packaging plant finishes 'heavy' beer, a liquid concentrate, into the well-known canned and bottled products. The plant handles 50,000 barrels per week and generates over 350,000 gallons of wastewater per day. Wastes are treated at the plant's 0.5 MGD waste treatment facility which operates under a standard discharge NPDES permit. Waste beer is the main constituent of ...


    By BIO-SYSTEMS International

  • Septic Tanks - Klargester provide a reliable, economic and efficient solution to your sewage disposal needs

    A septic tank is a retention vessel designed to receive sewage, hold it for a period and then release a clarified effluent. Sewage is a mixture of toilet wastes, kitchen wastes and so called grey wastes i.e. liquids which include washing, bath and washing machine wastes. A septic tank is primarily a liquid/solid separation system, although there may be some limited biological activity within the ...


    By Kingspan Environmental Ltd

  • Adapting to new challenges: IDSS for emergency preparedness and management

    In order to manage risks, emergency planning and preparedness procedures are currently in use. The advent of Information Technology (IT) in the field of emergency management opened vast possibilities for the development of Integrated Decision Support Systems (IDSS). They are designed to perform calculations, make risk representation, fully interact with stakeholders, and assist in communicating ...


    By Inderscience Publishers

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