waste separation Articles

  • Anaerobic fermentation of organic solid wastes: volatile fatty acid production and separation

    Anaerobic fermentation of organic municipal solid waste was investigated using a leach-bed reactor (LBR) to assess the volatile fatty acid (VFA) production efficiency. The leachate recycle rate in the LBR affected the VFA composition of the leachate. A six-fold increase in the recycle rate resulted in an increase of the acetic acid fraction of leachate from 24.7 to 43.0%. The separation ...


    By IWA Publishing

  • Waste in the Netherlands

    Household waste More than 10% of waste arisings in the Netherlands consists of household waste. The local authorities are responsible for collecting this category of waste. A set of rules compels the local authorities to collect separately organic household waste, glass, paper and board, textiles and small chemical waste. The policy aims at giving producers more responsibility for their products ...


  • Wood waste product

    A landfill needed a way to reduce their waste stream volume, increase the life of their landfill, and recover a recyclable, marketable product. Wood and yard waste material comprise up to 20% of their entire waste stream volume. Processing and recycling this material will extend the life of the landfill by 20 years. They chose WSM's Model 4864BH Horizontal Hogging System with a customized feed ...

  • All Waste is not created equal

    If you live in a house, apartment or similar abode, you produce waste. Right? You probably can't go a week without producing waste. All kinds of waste. Call it trash if you want. It's still waste. And if you don't live where recycling is mandatory or there is no outlet for your voluntary environmental tendencies, everything goes into the trash - bottles, cans, cardboard, plastics, bottle caps, ...


  • Waste Management Overview

    Introduction Our Nation has entered an era in which, as a result of changing world conditions, nuclear weapons production is receiving less attention while the public is expressing increasing concern about protecting human health and preserving the quality of our environment. In response to this national concern, the Department of Energy (DOE) has made waste cleanup and environmental restoration ...

  • Waste to energy – processing waste with a high thermal value to substitute combustibles

    With the taking effect of the TASi (Technical Regulations on Estate Waste) in 2005, non-treated waste must no longer be disposed of and deposited. Commercial and industrial residues with a high thermal value such as rejects from paper industry, punchings from rubber and plastics, and other mono-fractions which are characterized by homogeneity and constant combustible properties through mechanical ...


  • High-quality plastics from waste electrical equipment

    All over Europe, electrical and electronic scrap is the waste stream showing the highest growth rates. Since electronic equipment contains the most varied kinds of materials, the recycling of such waste involves high demands with respect to separation and sorting processes. The German plant manufacturer MeWa builds state-of-the-art recycling plants for large international waste management ...


    By Sesotec GmbH

  • Electronic Waste: The Rich Resource in the Urban Mine

    Forgetting your mobile phone can be a real pain, playing on your mind during the day. Then as you think you can feel your phone vibrating in your pocket and you come to realise how dependent we are on our gadgets. Electrical equipment has changed our lives completely and we rely on phones, microwaves, TVs, kettles, computers to keep us informed, entertained and even alive. It is hard to imagine ...

  • Taking advantage of production waste - Case Study

    Recycling areas: Various scrap Company name: KME (Serravalle Copper Tubes) Located: Serravalle Scrivia (Alessandria), Italy Founded: 1886 Employees: 5700 KME is a leading global fabricator of copper and copper alloy semi-finished products. Each year 405.000 tons of copper and copper alloy semi-finished products (excluding copper wire) are produced. ...


    By Eldan Recycling A/S

  • Closing the Waste Loops: Australian Newsprint Mills

     The manufacture of newsprint is a process which generates both solid and liquid wastes. Australian Newsprint Mills Ltd Albury has given increasing attention to waste issues in recent years and has succeeded in closing or partially closing some of the ëwaste loopsí, especially in the areas of waste paper recycling, waste water, and solid waste. Background Australian ...


  • Waste shredding protects resources in Indonesia - Case Study

    Cement production is among the core activities of building materials supplier Holcim. Holcim Ltd. can boast the most expansive geographical action radius in the global cements industry thanks to its subsidiaries in over 70 countries on all five continents. Recently, the company successfully inaugurated a modern recycling center in collaboration with its environmental technology partner Geocycle ...


    By WEIMA

  • 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 ...

  • When productivity is reduced by the waste extraction system, its time to take action.

    Woodford litho called upon Impact Air Systems to review their existing waste extraction system in preparation for the installation of an additional new binding line.  The existing waste system, supplied by a competitor, delivered the waste to a single compactor and was not capable of removing the additional waste from the new binder but also blocked frequently, reducing productivity of the ...


    By Impact Air Systems

  • Project focuses on value-added product recovery, zero-waste wastewater technologies

    As sustainability and water scarcity continue to be key issues for water managers worldwide, it’s more and more critical to find new solutions and technologies. Check out the laser cutter which is a great new technology invention.  Wastewater is a particularly abundant and potentially useful resource. In fact, teams of European researchers are working to harvest energy and recover ...


    By Fluence Corporation

  • From Waste in Anodising Plant to New Chemical Product in Sewage Treatment Plants

    Aluminium containing caustic soda used as a pickling agent in the pre-treatment of aluminium before anodising and aluminium containing sulphuric acids used as electrolytes for the formation of oxide layers in anodising plants can be utilised in municipal sewage treatment plants to reduce phosphates and improve precipitation. From the anodiser's point of view, these products are spent once they ...


  • Management of Waste Generated by Mobile Offshore Drilling Units in the Timor Sea

     Woodside Energy Ltd is recognised as a major Australian resource company committed to quality and protecting the environment. Woodside actively manages their exploration activities so as to avoid environmental impacts. As part of their Timor Sea exploration activities, they produce a significant quantity of waste that includes a hazardous and industrial non-toxic component. In recognition ...


  • Recovery of volatile fatty acids (VFA) from complex waste effluents using membranes

    Waste effluents from anaerobic digesters of agricultural waste were treated with a range of membranes, including microfiltration and nanofiltration (NF), to concentrate volatile fatty acids (VFA). Microfiltration was applied successfully to produce sterile, particle-free solutions with a VFA concentration of 21.08 mM of acetic acid and 15.81 mM of butyric acid. These were further treated using a ...


    By IWA Publishing

  • High-innovative and crucial investment added great value for Chania, Greece

    Overview The DEDISA waste management plant is located in the prefecture of Chania, which is a prefecture of the island of Crete, in the south of Greece. This integrated waste-processing centre serves a population of 155 000 inhabitants, which represents around 25% of the island’s total population. The Chania area also provides 88,000 beds for tourists, and most of the ...


    By TOMRA Sorting GmbH.

  • Rental agreement gives more flexibility - Case Study

    Sunarc Technology A/S treats glass with a special antireflection treatment for use in solar power plants and greenhouses. When the glass is delivered from various suppliers it arrives safely wrapped in paper, cardboard, plastic and styrofoam. Previously the used packaging was emptied into containers, which were picked up by the company’s waste collector against payment. “In February ...


    By Bramidan Balers

  • SAS Wellbore Cleanup - UK North Sea

    The SAS102C microemulsion wellbore cleanup product was used by a service company to carry out the completion on a well in the UK North Sea on behalf of a major operator. The goal was to successfully complete the well using the SAS102C while showing the simplified chemical train would be effective. In addition the use of the SAS102C should result in significant waste reduction compared to ...

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