Environmental Industry Articles

Air & Climate

Air Rule for Cement Kilns Requires 92 Percent Cut in Mercury Emissions

Air Rule for Cement Kilns Requires 92 Percent Cut in Mercury Emissions

Portland cement kilns will be required to reduce emissions of mercury by 92 percent as part of an Environmental Protection Agency final rule announced Aug. 9 that imposes controls for several toxic pollutants. Although most of the ...


Energy & Renewables

How to calculate payback – The Case for Energy Efficiency

How to calculate payback – The Case for Energy Efficiency

With yet another round of government legislation mandating companies to monitor their energy efficiency coming into force this year, are business managers embracing the sustainability agenda being enforced in the UK? The general industry ...


Environmental Management

Are you taking big risks with your risk management?

Are you taking big risks with your risk management?

Introduction We like the word ‘professional’ – it gives us a sense of security. We have our accounts prepared by a qualified accountant, we use a lawyer to write a contract, and we go to a doctor for medical advice. So ...


Health & Safety

Managing Temporary Worker Safety in the Construction Industry

Managing Temporary Worker Safety in the Construction Industry

In recent months OSHA and NIOSH have begun cracking down on organizations for their historically lax treatment of temporary workers in regard to safety. The reasoning for this increased attention, along with subsequent stiff fines is ...


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

Less fines improves productivity in waste wood shredding - Case Study

Less fines improves productivity in waste wood shredding - Case Study

A customer in France was shredding waste wood with two Doppstadts. After processing the wood twice, up to 20% of the total outcome was worthless fine wood dust. With TANA Shark the problem with the dust was eliminated and ...


Water & Wastewater

Mechanical Dredging Vs. Biological Dredging

Mechanical Dredging Vs. Biological Dredging

For many years, mechanical dredging has been the solution for dying ponds, lakes, retention basins, and rivers. Dredging removes sediment, some excess nutrients, pollutants and organic matter. By increasing the depth in this way, weed ...


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