Waste & Recycling Articles

  • Chopper Pumps: Chopping and pumping of vegetable wash water

    Especially when carrots were processed, the waste water containing pealings, sand and pieces of carrots presented a major problem to this customer. Landia delivered a MPTK-I 7,5 kW pump with customised chopping system in hardened steel which solved the ...


    By Landia

  • Wind-driven SVE system extracts VOCs from landfill

    An innovative soil vapor extraction (SVE) system has operated at the former Ferdula Landfill site in Frankfort, NY, for the past 10 years. The system relies on wind-driven vacuum processes rather than electrically powered air blowers to extract volatile organic compounds (VOCs) from the landfill. After a two-year trial beginning in 1998, the New York State Department of Environmental Conservation ...

  • Chopper Pumps: Pumping of waste oil from mechanic workshops

    Treatment of waste oil is done at several Danish Waste Water Treatment Plants. The oil is delivered in drums, which are emtied into a reception pit. Traditional pumps often clogged due to rags, lumps of twist or even small pieces of metal contained in the oil. Landia chopper pumps solved the ...


    By Landia

  • Fine China

    A daily commute in West Michigan might take someone to Grand Rapids or Kalamazoo. But this January, Jeannie Jansma of Sebright Products in Hopkins headed to work on the other side of the world. As Sebright’s marketing director, Jansma spent 10 days in China meeting with her Asian counterparts in the pulp and paper industry to look for new technology and to learn what the United States needs to ...


    By Sebright Products, Inc.

  • New Jersey, the newest EU member state?: Adoption of the EU RoHS Directive

    Perhaps it came as no huge surprise when California adopted the EU's RoHS Directive in 2003 applicable to video display devices because California is typically on the leading edge of adopting innovative environmental requirements. But now that the past year has seen California expanding the list products subject to RoHS restrictions and New Jersey incorporating the EU RoHS Directive into its ...

  • Chopper Pumps: Pumping and mixing of fat from poultry processing plant

    Fats were seprated from the effluent at a poultry processing plant and stored in a reception pit. From there, they had to be pumped to a tanker truck and transported to a biogas plant every time the pit was full. The pit was 3 m deep with a diameter of 3 meters, total volume 22 m³. The fats formed a thick top layer and needed to be mixed efficiently before they could be pumped into the tanker. A ...


    By Landia

  • Chopper Pumps: Digester Mixing at Esbjerg WWTP, Denmark

    Experience with Landia Chop-per pump type MPTK-I obtained at the Esbjerg Eastern Treatment Plant Till now two centrifugal pumps of a different brand have been operating at the plant, in order to re-circulate the sludge in the two digesters. This has been well-functioning. After a period of much rainfall, part of the inlet wastewater was led past the grid system. The result was problems ...


    By Landia

  • Chopper Pumps: Treatment of bakery by-products

    Treatment of co-products is becoming a very important issue. Co-products often can be transformed into valuable components to be added to animal food, e.g. for pets or pigs. Here is an example of a industrial bakery, delivering their surplus and waste cakes and cookies to a pig farm. The co-products are transported to the farm by truck, tipped into a large reception pit, where water is added. ...


    By Landia

  • Legislation Note: The waste strategy for England 2007: Is it deliverable?

    Following a Defra consultation from February to May 2006, the Government published its new waste strategy in May 2007.  This substantial publication runs to 123 pages, eight chapters and multiple appendices.  The strategy constitutes part of the implementation of the Framework Directive on Waste and is a waste management plan for the purposes of the Directive.  A national waste ...


  • A sustainability calculator - how green is your office?

    The Xerox Corporation has launched the industry's first sustainability calculator designed to help its customers pinpoint opportunities to reduce the environmental impacts of offices while reducing costs. The calculator is a software tool that measures the overall impact that a company's document technologies have on the environment. It's the newest assessment tool available through Xerox Office ...

  • Dealing with white goods

    The Hemlock Knoll Sanitary Landfill, operated by the South West Solid Waste Commission (SWSWC), is the waste management facility for the South Western portion of New Brunswick. This facility, which opened in the fall of 1997, serves approximately 14,000 households. In the past, when the area was serviced by twenty-two old style dumps, the disposal method for most household trash was fairly ...

  • The myth of `residual waste`

    Recently, I was asked by my good friend John Nicholson (a consultant and contributing editor to this magazine) to address a meeting of the Air and Waste Management Association (AWMA) Ontario Sector, regarding my position on generating energy from 'residual waste.' This invitation provided me with the opportunity to research the composition of so-called residual waste -- you know, the roughly 35 ...

  • The City of Toronto rolls out its waste diversion program

    The City of Toronto is in the final stages of rolling out its multifaceted waste diversion program, which is now city-wide. Entitled 'Target 70,' the program's key objective is diverting 70 per cent of city-managed waste from landfill disposal. This represents about 250,000 new tonnes of diversion. As the plan takes effect, the city will become a North America leader in waste diversion. In ...

  • GTA waste-to-energy?

    While the City of Toronto will utilize its GreenLane Landfill Facility near London, Ontario to manage residual waste in the years to come, neighboring Durham Region (just east of the city) is potentially going in a different direction. Like Toronto, Durham plans to divert up to 70 per cent of waste from disposal, but intends to build a waste-to-energy (WTE) plant, rather than use landfill. On May ...

  • Whatever happened to ... Fall of the House of Philip

    In December 2007 Robert Waxman, a former Philip Services Corp. (PSC) executive in charge of the scrap metal recycling division in Hamilton, Ontario, reached a settlement with the Ontario Securities Commission (OSC) that included a 20-year ban from serving as an officer or director of a public company, a 10-year ban from trading in securities, and a fine of $125,000 towards the OSC's costs. The ...

  • A matter of refinement

    With over 1.2-billion litres of finished lubricants sold in Canada each year, the environmental importance of managing the associated waste stream is significant. Used oil, if not handled properly, can result in contamination and major environmental damage. In fact, according to Alice Chung, regional manager in charge of Newalta's North Vancouver facility (one of only two used oil re-refineries ...

  • PEI`s new beverage container deposit system

    It's said that change is inevitable in everything, except vending machines. Change has come to Prince Edward Island's long-standing ban on the sale of carbonated beverages sold in non-refillable containers. Fans of refilling -- the most environmentally sustainable beverage container system -- will be sad that this lone hold-out is becoming more like every other jurisdiction. However, they can ...

  • Eco-industrial parks

    Most municipalities would love to have a high-tech business park within their boundaries. The benefits of high-end, high-paying jobs is very appealing, great marketing for a town or city, and helpful to municipal coffers. However, everyone cannot have a 'Silicon Valley' per se. Yet, there are other, untapped alternatives, namely clean-tech and eco-industrial parks. TORINO, ITALY On a recent trade ...

  • Curbside vs. return-to-retail for plastic bags

    Some materials are a natural fit for Ontario's blue box system, with its ever-increasing mechanization, and some are not. A study of plastic film recycling in Ontario has placed that particular material in the latter category and has concluded that promoting in-store programs can lead to higher recovery, better material quality and lower costs. The Plastic Film Collection and Processing Study was ...

  • `Train`-ing the waste management industry

    For the past 15 years, the waste management industry has done a commendable job in responding to public concern over environmental issues, especially the demand for more recycling. However, while waste reduction strategies are crucial, Canada's booming economy has meant increased production of construction and demolition (C&D) and institutional, commercial and industrial (IC&I) waste. As ...

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