city cleaning Articles

  • `Standards are desperately needed for plastic and pesticide contamination in soil´

    In addition to plastic in the oceans, plastic contamination in arable land throughout Europe and other parts of the world is a growing problem. No standards exist for these types of soil pollutants, nor for pesticide residues or their degradation products. For this reason, Professor Violette Geissen is calling for standards to be implemented. On 15 June, Geissen will deliver her inaugural address ...

  • Blockchain Technology Can Boost Climate Action

    Experts meeting at the recent UN Climate Change Conference in Bonn in May have said that a new technology called “Blockchain” could play a major role in tackling climate change. A Blockchain is a distributed database that is continuously updated and verified by its users. Each added block of data is “chained” and becomes part of a growing list of records, under the ...

  • This Designer Is Cleaning Up City Smog and Turning It into Jewelry

    A Dutch designer has created a new tower to filter city smog and — hopefully — help end China’s air pollution problem. China’s ongoing struggle with smog is notorious. Rapid industrialization paired with an initial lack of ...


    By Camfil Ltd

  • San Francisco bay area city cleans Mossy mess - case study

    In Contra Costa County, east of San Francisco, we installed an IWS Screen to remove all types of water borne debris including moss, grass, hyacinth and tumbleweeds.   The installation reduces man hours and risk of injury from raking trash racks as well as keeping service lines clear. This project included: Traveling Screen(s) Elevator Pump ...


    By International Water Screens

  • Adding Quality to City Life

    The Special Service District's impact shines throughout downtown. Within the district's 760 acres, Tampa's Downtown Clean Team Beautifies the streets, while the softer side of security, Tampa's Downtown Guides, patrol by foot and bike. The six Clean Team members collect more than two tons of trash and other debris every day. In 2004, they kept 720 tons of garbage off the city streets. Tampa's ...


  • Glasgow City Council, UK

    Two years ago the Glasgow City Council announced a major clean-up of the Clyde as part a regeneration programme. The clean-up was regarded as an important element in attracting tourists to the cities riverside and its continued development. However two rivers, the Cart and Kelvin flow into the River Clyde and bring with them hundreds of tonnes of floating litter and debris right onto the ...


  • Exchange of Transformers in the castle and in the city of Marburg

    The challenge for the team of ABB Environmental Services, led by Helmut Bergel, was a full service project, including the exchange and replacement of transformers contaminated with the environmental pollutant PCB (Polychlorinated Biphenyls, a class of chlorinated hydrocarbons that have been used extensively since 1960 for a variety of industrial uses like coolants in transformers and dielectrics ...

  • Ideal for city jobs - Case Study

    Ulrik Sinding, owner of Djursland Kloakservice ApS (a sewage service company in Trustrup, Denmark) was practically born into the vacuum tanker business. Already in 1979, as a 15-year-old, he was hired by the company that his father, Orla Sinding, started in 1964. In 1989, at the age of 25, Ulrik Sinding took over the company, which has installed Samson pumps in most of its vacuum tanker trucks. ...


    By Samson Pumps A/S

  • 10 top tips for sustainable cities

    As global population grows, urban population is growing even faster — with 2.5 billion more city dwellers expected by 2050, according to the United Nations. And while urbanization can bring benefits in terms of economies of scale, social cohesion, technological innovation, transportation efficiency and more, cities can also be breeding grounds for poverty, pollution and malaise. To help ...


    By Ensia

  • Sustainable Cities: From a Vision to Reality

    The C40 Cities Mayors Summit in Johannesburg, South Africa kicks off today (Feb. 4). It’s the fifth biennial meeting of the C40 Cities Climate Leadership Group, a collection of mayors from cities around the world committed to advancing urban solutions to climate change. The theme for the event is “Towards resilient and ...

  • Restaurant grease trap, City of Irving, Texas

    The Problem Oil and grease from restaurants and fast food establishments have presented a major problem to wastewater treatment plants for years. There have been various additives; some have worked well for the removal of grease but cause problems later in the wastewater treatment plant With the changing regulations and enforcement as to what can be discharged into a system, about the ...


    By Byo-Gon, Inc.

  • California’s city of roseville chooses HERO ZLD

    The Facility The Roseville Energy Park (REP) will be a natural gas-fired, combined-cycle electrical generating facility. The project, planned for a 12-acre site, will be owned by the city and will use state-of-the-art equipment to locally generate about 60 percent of Roseville’s electricity needs. The Roseville Energy Park will use recycled wastewater from the nearby Pleasant Grove ...

  • Recovering Wasted Energy: Beneath the city streets

    Sewage heat recovery graphNo one likes to think about it, but city planners and engineers often have no choice but to deal with it, and that’s sewage. Though techniques vary somewhat from place to place and from facility to facility, sewage generally flows down pipes with multiple steps in place designed to remove and treat as many solids as possible, before returning the freshly distilled ...


    By DDI Heat Exchangers Inc.

  • China awakes to clean transportation

    In the following months and at least until the Beijing Olympic Games in 2008, Chinese roads and cities, particularly in Beijing and Shanghai, will be a choice testing ground for different types of clean individual and collective low-pollution vehicles, such as fuel cell, hybrid and electric vehicles. We already knew that hybrid microturbine buses were to be road tested in China. Now ...

  • Indestructible Pumps for Clean Water

    Sulzer pumps are used in the production of drinking water in many cities around the world. The special qualities that these pumps possess can be seen at the Zurich Municipal Water Utility. There, the operators have to cope with rising land and energy prices and a challenging topography. A small water flea plays a major role in Zurich. It swims around in a container of drinking water with some of ...


    By Sulzer

  • Feasibility analysis for biomass in cities, counties and facilities

    The commercial waste industry includes all those who collect waste from the simplest “collect waste and transport to a landfill” to the more complex “collect waste and process into re-usable components and energy.” This article will cover how we can collect material and fuel a clean energy system for our immediate future, while saving clean water and air. ...


    By Waste Advantage Magazine

  • Oklahoma City Expands Filtration Capability with Aquastore Tank

    Things have come a long way since the Land Run of 1889, when settlers got their water from three wells: at the train station, south of the train station and in the vicinity of Santa Fe and Main. Today, the city’s water comes from a network of six man-made lakes—much of it fed by the North Canadian River and from southeastern Oklahoma. Out with the ...


    By CST Industries Inc

  • Coming Clean with the Environment

    Long Island is a long, slender island located directly east of Manhattan in the southern tip of New York State. In the 20th century, the north shore of Long Island earned the nickname of “Gold Coast” and attracted large private estates of the likes of the Vanderbilts, Roosevelts, Whitneys, Charles Pratt, J. P. Morgan, F. W. Woolworth, and others. The western end of the island includes ...


    By WesTech Engineering, Inc.

  • Clean goes green

    Her daughter's eyes were pink and puffy. The child's nose was scratchy and runny. Nancy Figueroa of Jamaica Plain did everything she could to make her daughter well: She bought one medicine after another; did more wash than a 24-hour laundromat; gave to charity her daughter's stuffed animals that might be carrying dust, including the little monkey that young Katherine clung to for comfort. Still ...

  • City Water International explains The Basics of Water Filtration

    The Basics of Water Filtration Most of us know that filtered water is healthier than tap water because of its purity, but how does water filtration work? The basic principle is that filtered water has passed through a filter which removes contaminants through one of several methods, depending on the type of filter. Most water purification systems work in one of three ways ­ by running water ...


    By City Water International

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