fly ash material safety Articles

  • Fly Ash Treatment – Plasma Torches versus Graphite Electrodes

    Background Plasma generating devices have to be designed to tolerate incredibly harsh conditions during operation and in particular very high heat loads and temperatures around the arc. However, when used in the vitrification of highly chlorinated materials the challenge is even greater than in other applications. The combination of high ...

  • Evaluation of barrier materials for removing pollutants from groundwater rich in natural organic matter

    Permeable barriers are used for passive remediation of groundwater and can be constructed from a range of materials. The optimal material depends on the types of contaminants and physico-chemical parameters present at the site, as well as the hydraulic conductivity, environmental safety, availability, cost and long-term stability of the material itself. The aim of the presented study was to test ...


    By IWA Publishing

  • Dredging Abrasive Materials? Learn about SRS Crisafulli’s New Dredge

    The Rotomite-6000-C, SRS Crisafulli’s newest self-propelled dredge, broadens the Rotomite-6000’s capabilities to include removal of highly abrasive materials. The Rotomite-6000-C also increases the customer’s return on investment (ROI) by cutting sludge ...


    By SRS Crisafulli, Inc.

  • Point Mugu Naval Airstrip case study

    The runway is located at the Point Mugu Naval Air Station in Southern California. Economy, durability, low shrinkage and high strength were accomplished by reducing the amount of portland cement used in the concrete while utilizing large volumes of fly ash. In addition to field performance, this approach provided the added environmental goal of reducing the CO2 released into the air through ...


    By Headwaters, Inc.

  • Dredging at weldon spring super fund project Morrison Knudsen - St. Charles, Missouri, USA

    Remote controlled Dredging proved to be the best method of removing radioactive sludge from settling ponds of a former uranium processing plant near St. Charles, Missouri. Dredging keeps the material wet and out of contact with the atmosphere throughout the removal and treatment process, eliminating the danger of contaminates becoming airborne. The Weldon Spring Site Remedial Action Project ...

  • Not in my back yard — international shipments of waste and the environment

    Waste without borders: Zhang Guofu, 35, makes EUR 700 a month, a huge wage in provincial China, sifting through waste that includes shopping bags from a British supermarket chain and English-language DVDs. The truth is that waste placed in a bin in London, can quite easily end up 5 000 miles away in a recycling factory in China's Pearl River delta. Waste of all descriptions is on the move. ...

  • Greening the Built Environment

    ASTM Standards and Products Form the Foundation of Sustainable Construction Efforts Today, a major focal point for the worldwide building industry is the growing demand for sustainable construction. Sustainable, or “green,” construction is focused on the more effective use of resources and ultimately the creation of healthier, energy efficient, more environmentally ...


    By ASTM International

  • Eco-Industrial Development: The case of the United States

    Issue: Businesses, local government and community groups are all seeking new answers for how to assure greater compatibility between environmental and economic opportunities. One possible contribution to meeting this challenge is a new phenomenon capturing the imagination of those concerned with responsible economic development in the United States. This phenomenon is known by various names, ...


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