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Category: Petrochemical

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Sulphuric Acid Plant Concrete Slab Repairs

By on November 16th, 2019 in Petrochemical

Industry                      Petrochemical Date May 2006 Substrate Concrete Products Chem-tect™ RB 300P Vinyl Ester Primer  Chem-tect™ RB 332 Vinyl Ester Resin Environment Sulphuric Acid has caused deterioration of the existing fiberglass matting. The failure of the previous fiberglass lining had enabled permeation, allowing serious corrosion of the concrete slab   Challenge A core drilling process and testing read more ►



Apply Coating on Wet Surfaces using RL 500PF

By on May 21st, 2017 in Petrochemical
Maintenance painting completed whilst in service

Industry                      Petrochemical   Date July 2016   Substrate Steel Substrate   Product Epo-chem™ RL 500PF   Environment Wet and Cold Column Externals   Challenge The lagging was removed to extend the life of the shell externals. While the vessel was in service, surface preparation and corrosion application were undertaken. Surface temperatures were ranging between -5°C read more ►



Chem-tect™ RA 300 for Stainless Steel Agitator shaft

By on April 21st, 2017 in Chemical, Petrochemical
Final coat applied ready for post cure and packaging for return transport

Industry Chemical   Date  November 2012   Substrate  Stainless Steel Agitator shaft   Products  Chem-tect™ RA 300 This is a glass-flake vinyl ester coating providing excellent resistance. Ideally suitable for Caustic alkalis, hypochlorite bleaches & organic solvents’. Res. Max.80°C.   Environment  Ambient temperature high range pH mixing tank.   Challenge  The project had to finished in read more ►



Cold & Wet Pipe Externals

By on September 17th, 2015 in Chemical, Petrochemical

Industry:                       Chemical Manufacturing   Date: 2010   Substrate: Steel Substrate   Products: Chemco Epo-chem™ RS 500P (Moisture & Surface Tolerant) Chemco Epo-chem™ RA 500M (Wet Tolerant)   Environment: Ammonia Pipeline externals   Challenge: The ammonia lines had been in service since the plant was built. This has caused severe external corrosion caused holes to form read more ►



Chiller

By on July 22nd, 2015 in Petrochemical

Industry:                            Petrochemical – Oil Refinery,   Date: 2002,   Substrate: Mild Steel water boxes & bronze tube sheets,   Products: Chem-tect™ RB 300 series,   Environment: 60-80°C, re-circulated & sea water,   Challenge: Tube sheets of this chiller were severely corroded due to a galvanic reaction between dissimilar metals. A 72 hour shutdown period was read more ►



RB 300 series for Cooling Water Systems

By on April 8th, 2015 in Oil and Gas, Petrochemical
Attention to detail with every hole plugged

Industry: Petrochemical – Oil Refinery,   Date: 2002,   Substrate: Mild Steel water boxes & bronze tube sheets,   Products: Chem-tect™ RB 300 series,   Environment: Ambient sea water inlet side and 60-80°C outlet side.   Challenge: The cooling water system was severely corroded and required refurbishment. The tube sheets were corroded due to a read more ►



End Covers

By on March 5th, 2015 in Petrochemical

Industry: Petrochemical,   Date: Mar 2011,   Substrate: Floating heads and channel end covers cast from various exotic materials,   Products: Chem-tect™ RB 332, Epo-chem™ RL 500PF,   Environment: Salt water at elevated temperature,   Challenge: The end covers were originally coated by another contractor with varying results. Some items were made from exotic materials read more ►



Column Pump Repairs

By on February 2nd, 2015 in Petrochemical

Industry: Petrochemical,   Date: Apr 2011,   Substrate: Column pump,   Products: Epo-chem™ RS 500P, Epo-chem™ RA 500 Series, Ceram-chem™ RH 500, Ceram-chem™ RP 500,   Environment: Storm Water, Effluent from Refinery,   Challenge: Column pump repairs were required and the surface coated to protect from corrosion. Corrosion pitting was evident in the suction bell read more ►