process water industry Articles

  • Two Case Histories of Industrial Water Reuse Via Membrane Technology

    Abstract This paper describes two successful applications of ultrafiltration (UF) and reverse osmosis (RO) membrane technology used to reclaim water, reduce waste water discharge costs. The first case history covers oily waste water treatment at a major aluminum beverage can manufacturing plant. The second case describes treatment of waste water from a multi-plating bath section of a major ...


  • Biofilter Applications in the Coatings Industry.

    Soaring energy costs and the high cost of ‘end-of-pipe’ pollution control equipment has caused companies and regulatory agencies to re-evaluate ‘unconventional’ means of achieving VOC and HAP emissions control. The coatings industry is an excellent candidate for alternative, unconventional controls, as VOC and HAP reductions have not been as strident as has been the case in many other industries. ...


  • Oil Water Separator Maintenance

    Oil water separators (OWS) can be co$tly to maintain, $20,000 or more on average per cleaning and if not properly managed, can be very expensive conduits of pollution. Have you taken steps to minimize the effects and consequences on your operating co$t? When was your facility’s last OWS maintenance ...

  • Companies and people leading the restructured environmental services industry in Canada

    The landscape of environmental service providers in Canada has changed dramatically in the past four or five years, especially with mergers and acquisitions announced in recent months between some fast-growing businesses. Only a decade ago the industry was dominated by a couple of publicly-traded continental companies that gobbled up numerous small and medium-size enterprises to offer customers a ...

  • Application of Membrane Technology for the Recovery and Reuse of Water

    Abstract As water and sewer costs are expected to increase over the next decade, membrane technology will continue to be a viable and economical option in the recovery and reuse of water. This paper describes the mechanism of membrane effected separation (specifically reverse osmosis, ultrafiltration and microfiltration), membranes commercially available, membrane element configurations, and how ...


  • What do oil sands and shale gas have in common? Acute need for sustainable water management solutions

    The world’s appetite for fossil fuels is not abating anytime soon, and the alternatives fall short. Nuclear energy makes people uneasy, coal is perceived as not being that clean, hydroelectric requires massive capital outlays, solar is still improving and the wind just doesn’t always blow. For the foreseeable future, North Americans have embraced the idea that expanded production of ...


    By Biolargo, Inc.

  • Solvent Recovery South of the Border

    With the advent of NAFTA, Mexico's package-printing industry, a major source of VOC emissions, is under increasing pressure to comply with envronmental regulations. One company, Grafo Regia, pursued an air pollution control process that has an economic payback compared to traditional oxidation. Volatile organic compounds (VOC’s) find wide spread use in the gravure printing and flexible package ...


    By AMCEC Inc.

  • Recycling Solvents in Histology Department of Hospitals

    Industrial rotary evaporator: eco-friendly and cost-saving Solvents (ethanol, xylene and water) are used in histology for dewatering and destaining during the preparation of tissue sections. Here we show how these solvents are recycled in an automated process using an industrial rotary evaporator. We offer safe and efficient industrial distillation by intuitive ...


    By BÜCHI Labortechnik AG

  • The ecological impact of membrane-based extraction of phenolic compounds – a life cycle assessment study

    Many phenolic compounds show high boiling points, low molecular weights, moderate polarities or high toxicities. Therefore, conventional wastewater treatment is limited or expensive. Recycling of the separated compounds is often not possible. But, if liquid-liquid reactive extraction is linked to a non-porous membrane, some or all of the above mentioned limitations may be overcome. The key ...


    By IWA Publishing

  • What is Activated Carbon?

    Adsorption with activated carbon can apply. The more awareness people have of the Earth, the more applications activated carbons will have. is thus a commonly seen process in applications such as gas masks, space capsules, nuclear plants and so forth, in which the removal of gases is highly needed. ...


    By Cocarb

  • Liberating contaminants for easy recovery

    The number one challenge associated with most site remediation designs and methodologies is that 90-95 per cent of all environmental contaminants are present in an adsorbed phase onto soil and bedrock surfaces within both saturated and unsaturated zones. Contaminants, including hydrocarbons (LNAPL), chlorinates (DNAPL) and heavy metals, are sorbed onto the substrates and so have reduced mobility ...


    By Ivey International Inc.

  • Case study - Waste site cleaned with one-pass trenching technology

    Waste site cleaned with one-pass trenching technology. An abandoned sand and gravel quarry, with a dubious second use as an industrial waste disposal dumping ground, has been cleaned up with the aid of a technology known as the one-pass trenching method. The site had accepted distillation wastes from a local solvent recycler. Due to odours, the dumping prompted citizen complaints that eventually ...

  • Principles and practices of enhanced anaerobic bioremediation of chlorinated solvents

    PROBLEM STATEMENTThe Department of Defense (DoD) has identified hundreds of sites where groundwater is contaminated with chlorinated solvents; these represent one of the DoD’s largest remediation liabilities. In addition to their use in many industrial processes, chlorinated solvents have historically been used for cleaning and degreasing such diverse products as aircraft engines, automobile ...


    By RNAS Remediation Products

  • Editor’s perspective - solvent cleanup standards

    Risk-assessment science is a critical tenet of the remediation industry, as it is the underlying basis of the majority of cleanup work performed. However, risk-assessment science is, for the most part, poorly understood by a large portion of environmental professionals. Most seasoned professionals understand the basic risk-assessment concepts related to the dose-response and exposure duration ...

  • Veolia environmental services North America: weathering the economic storm

    Delivering fully integrated environmental solutions to virtually all industrial, commercial, municipal and residential sectors in the U.S., Canada and the Caribbean, Veolia Environmental Services North America (VESNA), based in Chicago, IL, is composed of three complementary business units that provide a full spectrum of collection, treatment and recycling processes for the management of ...


    By Waste Advantage Magazine

  • Crossflow Membrane Applications for Glycol-based aqueous solutions

    Introduction This document is a guide for water treatment engineers to better understand crossflow membrane applications for glycol-based aqueous solutions. It includes glycol applications we have sold equipment for, applications we have successfully tested, and applications we have not tested but are expected to be technically feasible. Glycol-based solutions are commonly used by a ...


  • Environmental Reporting: Guidelines for Company Reporting on Waste

    Why business waste is important to us all Businesses in Great Britain produce some 80m tonnes of waste each year of which about 5m tonnes are hazardous. Even office workers produce significant amounts of waste. Although about a third of business waste is recycled, about half still goes to landfill. This not only risks damage to our environment, but also represents a massive waste of ...


  • Contaminated soils and sludge treatment plant - Case Study

    Client: Ecosistem Group, Lamezia Terme (CZ) – Italy Challenge: to transform waste into product! The Client possesses a large plant for the treatment of products contaminated with hazardous substances and materials, recycling of recovered materials and disposal of non-recyclable waste, which is considered highly ...


    By Baioni Crushing Plants Spa

  • PGCCA winners of Yore: Where are they now?

    With the 20th Annual Presidential Green Chemistry Challenge Awards (PGCCA) ceremony drawing near, the Biobased and Renewable Products Advocacy Group's (BRAG®) Biobased News and Policy Report decided to go back and revisit some early winners to see what has become of the ...


    By Bergeson & Campbell, P.C.

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