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McCarthy Sundt Egg Digester Mesa AZ\McCarthy Sundt Egg

McCarthy / Sundt – Egg Shaped Digesters

Location: Mesa, AZ

Matrix engineered, fabricated and constructed two 1.2 million gallon (67’ major diameter X 84’ overall height) egg shaped digesters (ESDs) and one 1.2 million gallon (66’ diameter X 87’ shell height) sludge storage tank. The project also included the construction of two catwalks, pipe bridges, and vessel platforms.

Matrix was also responsible for the engineering, drafting, procurement, fabrication, and construction of the steel vessels. In addition, we provided the design and erection interface for the foundations, piping and cladding.

Egg shaped digesters are used to anaerobically treat municipal sludge. The benefits of ESDs include operational advantages over conventional low-profile, cylindrical digesters. ESDs promote greater mixing of digester contents, elimination of grit and scum accumulation, and elimination of gas leakage as well as reduced heating costs and reduced land-area requirements.

gallon sludge storage tank
commitment to safety
gallon Egg Shaped Digesters

Scope of Work

  • Design and erection interface for foundations, piping and cladding
  • Engineering, drafting, procurement, fabrication and construction of vessels
  • Two 1.2 million gallons: (67’ diameter x 84’ overall height) Egg Shaped Digesters
  • Construction of catwalks, pipe bridges and platforms
  • One 1.2 million gallon (66’ diameter x 87’ shell height) sludge storage tank
Engineering, drafting, procurement, fabrication and construction of steel vessels
2 egg shaped digesters & 1 sludge tank
Upclose look at steel vessel

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