waste separation Articles

  • Treatment of Oily-Waste Process Streams

    Standard oily-wastewater remediation relies on API 650 for oily-wastewater separation (O/W/S) treatment using gravimetric lagoon separation, then reprocessing the recovered floatable slop oil, followed by chemical flocculation, then reprocessing the recovered oily sludge, followed by dissolved air flotation (DAF), then using holdingpond clarification of supernatant wastewater, before ...


  • Baseline Projections of Selected Waste Streams

    Abstract Waste represents an enormous loss of resources both in the form of materials and energy. Indeed, quantities of waste can be seen as an indicator of the material efficiency of society. Waste generation is increasing in the European Union, and amounted to about 3.5 tonnes of solid waste per person in 1995 (excluding agricultural waste) 1 Excessive quantities of waste result from: ...

  • Case study - IMOG – BELGIUM - Optimised and automated separation of PMD material in existing sorting line

    Customer IMOG is an intermunicipal public sanitary authority in South West Flanders. IMOG ensures the integrated waste management for 11 municipalities with well over 230,000 inhabitants. At IMOG’s PMD sorting facility more than 4,000 tonnes/year of separately collected mixed light packaging material (PMD) and PP material are processed. Situation ...

  • Thin film composite type positively charged nanofiltration membrane for separation of aqueous streams and nuclear effluents

    Thin film composite type positively charged nanofiltration membrane developed by in situ polymerisation of functionalised polyethyleneimine and acid chloride has been used in various aqueous stream separations. The membrane contained fixed quaternary ammonium moieties which contributed to its positive charge. The membrane was tested for its performance in single solute feed systems containing ...


    By Inderscience Publishers

  • Case study - Grundon Waste Management Ltd. – England - Single stream waste sorting plant for MRF

    Customer Grundon Waste Management Ltd. is the largest privately owned waste management company in the UK. The company was founded in 1929 and has moved into landfill operation, waste collection, and most recently into harnessing energy from waste. The company offers a wide range of waste collection services spanning mixed recyclables, general (non-recyclable) waste, clinical and hazardous ...

  • Making India`s waste streams sustainable

    MIT researchers are developing a decision-support tool to help cities in India sustainably manage the societal and environmental impacts of their waste. The massive Deonar dumping ground in Mumbai has become the most visible emblem of an increasingly serious nationwide problem for India: what to do with its trash. Deonar’s towers of garbage are ...

  • Digester Developers Target Mixed Organic Waste Streams

     emerging group of commercial companies see a viable business opportunity in North America around building, owning and operating larger scale anaerobic digestion (AD) facilities to process mixed organic waste streams. In some instances, the projects being proposed and constructed only include anaerobic digester operations. In others, there is a combination of digestion with back-end ...


    By BioCycle Magazine

  • Jail waste streams provide unusual challenges to typical industry equipment

    Arlat ‘TS’ Filter Screen proves itself equal to the challenge. Unusually high volume of solids and the wide variety of materials in waste streams from correctional institutions provide unique challenges to today’s typical wastewater equipment. In recent years, the state of Virginia has installed five ARLAT ‘TS’ Filter Screens in correctional institutions. They use the screens to remove ...

  • Water Recovery from an Aluminum Can Manufacturing Process Using Spiral-Wound Membrane Elements

    Abstract A waste treatment unit has been designed to recover water and various components from an aluminum can manufacturing process. Due to the scarcity of water in the Middle East and its inherent cost, water recovery is both necessary and cost effective. The manufacturing process generates: 1) an 11,356 L/hr (50 gpm) aqueous stream contaminated with hydrofluoric acid, dissolved aluminum, and ...

  • Hanbury Plastic Recycling – Stoke on Trent, UK case study

    CUSTOMER HPR Limited creates high quality plastic feedstock materials, by sorting co-mingled commercial, industrial and post-consumer waste into separated polymer streams of high purity since 2011. HPR Limited process 40,000 tonnes/year of mixed kerbside collected plastic material. SITUATION HPR were looking for a solution to sort efficiently ...

  • Chemplast, mettur india, selects HERO + ZLD

    The Facility Chemplast Sanmar Limited is the flagship company of the Sanmar Group, a leading industrial house in South India. They manufacture Chlorochemicals, PVC Resins, Caustic Soda / Chlorine, Chlorinated Solvents and Silicon Wafers. The Chemplast Mettur plant uses the Cauvery River as their main fresh water source. A strong industrial growth in recent years has resulted in ...

  • WEEE – aren’t materials too precious to lose?

    Chris Oldfield, managing director of UNTHA UK, was interviewed by leading journal MRW magazine recently, on the subject of WEEE. Drawing upon his specialist industry insight he commented on the methodology used to process WEEE and the extent to which the sector needs to go ‘back to basics’ to ensure precious materials are not lost. Conversation surrounding recyclate quality has ...


    By UNTHA UK LTD

  • Wood recycling is cornerstone of new Tallahassee C&D facility

    For better than four decades, the Williams family, owners of Marpan Supply, Inc., have been in the container services business in and around the Tallahassee area. And for the last 15 years or so, steady area growth meant that waste stream has been heavy with construction & demolition (C&D) debris. Seeing that, prompted Kim Williams, son of Marpan's owner and founder, to question the logic ...


  • New Recycling Era for NYC

    Untitled Document New 20-year contract between the city and large-scale recycler ...


    By BioCycle Magazine

  • Wastewater Treatment & Recycle

    Fresh water is a scarce commodity; this fact is well acknowledged by one and all. People at all levels be it general public, governmental bodies, and industries understand the implications of good quality water availability in terms of quantity, cost and wastage. As a consequence, there is a growing consensus on wastewater treatment for recycle/reuse. This paper briefly describes the treatment ...

  • Recycling asphalt shingles a boon for Minnesota C&D Recycler

    The Northeast Recycling Council estimates that more than 11 million tons of asphalt shingles are scrapped in the U.S. each year; 10 million from installation tear-offs and re-roofing jobs and another one million discarded as waste by asphalt shingle manufacturers. The U.S. Environmental Protection Agency estimates that shingle waste makes up 8 percent of the total building-related waste stream ...


    By Vermeer

  • TITECH Technology installed at UPM Materials Recovery

    An estimated 13.2 million tonnes of paper and board products were consumed in the UK in 2008, with 67% of this paper recovered for recycling. Currently recycling rates for paper within the UK are generally very good and are improving, yet there are issues with the quantity and quality of paper for reuse in paper mills. Newsprint and board mills are the main users of recovered paper as their ...


    By TOMRA Sorting GmbH.

  • Closed-loop alkaline recycling proves an award winning application

    A Closed-loop chemical recycling system not only improved product quality and lowered costs for a company-it won their team of engineers an award. The six engineers of the "Stain Team," headed by Tim Keiper of Instrument Specialties Company Inc (Delaware Water Gap, Pa), earned the company's Continuous Improvement Pioneer Award after reworking their cleaning operation to include an AquaChemical TM ...

  • L.A. recycling program benefits from planning, team work, equipment choices

    Few major metropolitan areas generate and recycle the volumes of yard trimmings as the City of Los Angeles. On any given day, an average of 1500 tons of yard trimmings are collected and - as a result of a comprehensive program, a commitment by those involved in the program and solid equipment choices made to carry it out - more than 300 tons of that daily total are diverted and processed for use ...


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