Environmental Industry Articles

Air & Climate

Air quality in Europe - 2014 report

Air quality in Europe - 2014 report

Despite considerable improvements in the past decades, Europe is still far from achieving levels of air quality that do not pose unacceptable risks to humans and the environment. Air pollution is the top environmental risk factor of ...


Energy & Renewables

Can low oil prices be good for the environment?

Can low oil prices be good for the environment?

Deepwater drilling rigs are sitting idle. Fracking plans are being scaled back. Enormous new projects to squeeze oil out of the tar sands of Canada are being shelved. Maybe low oil prices aren't so bad for the environment after all. The ...


Environmental Management

4 Red Flags in an Environmental Management System Audit

4 Red Flags in an Environmental Management System Audit

Is your environmental management system working for you or are you working for it? An all-too-common approach to running an environmental management system (EMS) is a procedural, documentation-oriented approach where the mere existence of ...


Health & Safety

Customization of Vapor Intrusion Control Solutions

Customization of Vapor Intrusion Control Solutions

This is an exciting time in the development of the vapor intrusion control industry.  Significant increases in practitioner skill level and experience and the increased availability of specialized products have resulted in many ...


Monitoring & Testing

What’s the difference between free and total chlorine?

What’s the difference between free and total chlorine?

The element Chlorine exists as a gas Cl2, when this is mixed with water it forms hypochlorous acid (HOCl) which is the disinfecting agent; Cl2 + H2O HCl + HOCl This HOCl can partly disassociate to form the hypochlorite ion OCl-; HOCl H+ ...


Soil & Groundwater

Maintaining neutral pH in deep soils and ground water utilizing insoluble colloidal buffers

Maintaining neutral pH in deep soils and ground water utilizing insoluble colloidal buffers

ABSTRACT: Optimal pH for most biodegradation processes falls between 6.5 and 8.5. Enhanced bioremediation in poorly buffered soils and ground water is likely to lower pH below 6.5 as the added electron donor produces carbon dioxide and or ...


Waste & Recycling

Garden Street Iron & Metal Processes 8,000 Tons of Scrap Each Month Using Variety of Eriez Recycling Equipment

Garden Street Iron & Metal Processes 8,000 Tons of Scrap Each Month Using Variety of Eriez Recycling Equipment

Problem: Garden Street Iron & Metal recycling complex, located just west of downtown Cincinnati, OH, has been owned and operated by the Weber family for more than five decades. The complex, set on 22 acres with three nearby rail spurs ...


Water & Wastewater

Effective Co2 Removal

Effective Co2 Removal

CO2 is difficult for both RO and EDI to remove since it has no charge, or is weakly ionized. It is important to remove CO2 in the EDI pretreatment because it will lower the EDI product water quality, will compete with silica for removal, ...


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