Industrial Comparison - VESI Environmental

Comparing an Integrated Constructed Wetland to Conventional processing

Differences at a glance

	Integrated Constructed Wetland	Conventional Method
Maintenance required to work at optimal levels	Routine Checks	Constant Maintenance
Chemical requirement to clean wastewater and remove pollutants	None	Yes
Environmentally friendly that enhances wildlife & breeding habitats	Creates a bio-diverse eco system	None
Robust & Reactive? Can hold water back and deal with sudden increase in flow?	Yes - Increased water retention & lag effect of discharge	Limited - Maximum operation loading based on infrastructure
Aesthetically pleasing to visitors?	Landscaped to blend into natural surroundings	Large mechanical machinery
Estimated Setup Cost	Low - Medium	Medium - High
Estimated Running Cost	Low	Medium - High
Approved for ELV discharge license?	Yes	Yes

Comparative cost factors typical for wastewater treatment systems

Conventional wastewater treatment (WWT) systems

Energy & Operations typically > 90% less than conventional WWT

Capital investment typically 60-80% less than conventional WWT (including land cost)

Disadvantages of Conventional System

Benefits of an Integrated Constructed Wetland

High Infrastructure Costs

Both the initial capital outlay and the ongoing maintenance requirements
Constant Use of Chemicals

In a world increasingly more aware of environmental risks and challenges, highlighting green credentials is a critical part of a companies marketing persona
High Operational & Maintenance Costs

High energy costs of running a WWTP with associated maintenance costs

Low Running Costs

Whilst there is still an initial capital outlay for a wetland, the long term maintenance and running costs are greatly reduced
Environmentally Friendly

Not only does an ICW use no chemicals to process waste, the surrounding area of the wetland is aesthetically pleasing and blends with its surrounding
Reduced Carbon Footprint

In a time of taxed carbon emissions why not reduce your carbon footprint with an ICW!

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