IEC Covers – Gas Storage

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IEC Covers – Gas Storage

About the Company:

Industrial & Environmental Concepts, Inc., (IEC), is widely recognized as the worldwide leader in the design, fabrication, and installation of industrial cover and liner systems. Incorporated in 1993, IEC has established itself as the industry leader in the modular and insulated cover market. 

About the Solution:

Ground level Gas Storage is used when a tank is not available or with site requirements that have a height restriction. Gas storage vessels are available in a wide range of volumes for high and low output sites. Ground mounted storage tanks are anchored to a concrete foundation with tank mounted covers fastened to the top of the tank wall, both designs are available in variable diameters. A blower controls the pressure on the external membrane with the inner membrane height affected solely by bio-gas. A service box enables all connections to be above ground providing access. The blower, control unit and sensors are also accessible during operation.

Every component is constructed of the high quality components and are guaranteed. Depending upon geomembrane type, the seams are made with high-frequency or thermal welding.

With multiple designs available - the Gas Storage Dome is available in ½ or ¾ spherical domes.

Advantages & Options

  • Wide range of storage from 1700 to 1,000,000 cu. feet
  • Ultrasonic Height Gauge
  • Gas Pressure Sensor
  • Operating Pressure Designs 5 - 70MB
  • Installation supervision available for Blower, PRV’s & Sensors
  • Short Lead Times & Installation

IEC Covers 21390 Heywood Ave. Lakeville, MN USA 952-829-0731 Visit Company Website

Solution Type

  • AD Support


  • Equipment Vendor


  • Other


  • GHG
  • Odor
  • Pathogens

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Solution Strengths, Weaknesses and Critical Indicators

Anaerobic Digester Associated Technology:

NOTE: There are several technology types that are used as part of an integrated manure management system that includes an anaerobic digester and are not applicable to manure management in other cases. The impact of these technologies on the critical indicators are represented as those of an entire anaerobic digester system.


  • Long usable life and can be run reliably
  • Creates energy and generates environmental credits
  • Requires proper preparation of the feedstock
  • Requires other technologies for energy utilization
  • Requires other technologies for digestate handling
  • Proper feeding & system monitoring is required to avoid system downtime
  • Proven technology for odor control, GHG reduction and pathogen reduction

Newtrient Comments/Opinions:

Industrial & Environmental Concepts, Inc. (IEC) has worked throughout North America with hog and dairy producers and are best known for custom geomembrane Floating Cover and Lining solutions. Their tank covers offer a method of covering manure storage tanks in areas that are sensitive to odor or where it is desirable to keep out rainwater.

Established in 1993, IEC has an extensive installation list with over 1,400 covers and liners. They pride themselves on the diversity of their expertise and designs, coupled with excellent “after-the-sale” service. They manage every project in-house and are equipped to deal with the most intricate technical details and logistical challenges for domestic and international clients.

IEC owns their own fabrication facility which enables them to meet the budget and timing objectives of the producer. They also have a fully equipped and trained technical staff and a fleet of service vehicles and equipment that enables them to provide support 24/7 to clients.

IEC's focus is on exceeding customer expectations by providing the most effective designs and using only the highest quality materials available. They are committed to delivering the best technical solution and workmanship to every customer - every time.

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