TOTSUCAT® CATALYST SULFIDING
Eurecat's TOTSUCAT® ex-situ pre-sulfiding process successfully activates hydroprocessing catalyst and enables refiners to simplify and accelerate their hydrotreating unit start-up procedure. Totsucat® sulfided catalyst can also be passivated to allow for loading under air. Using ex-situ pre-activated catalyst (Totsucat®) will save money, reduce start-up time, and it moves the potentially hazardous sulfiding process away from the refinery.
Totsucat Types
- Totsucat G: Naphtha
- Totsucat D: ULSD
- Totsucat E: Vacuum Gas Oil
- Totsucat N: Hydrocracking Pre-Treat
- Totsucat HC: Hydrocracking
- Totsucat TG: Tail Gas
- Totsucat SG: Syn-Gas
TOTSUCAT® HC-AP
Totsucat® HC-AP® eliminates the use of ammonia during hydrocracking catalyst start-up while still controlling the catalyst exotherms.
CFP - Cracked Feed Protection
The CFP (cracked feed protection) process is an extension of the Totsucat® catalyst sulfiding process. The CFP treatment allows for the immediate introduction of cracked stocks instead of waiting 2-3 days. The CFP process includes the catalyst sulfiding, activation, and cracked feed protection.
- CFP Cracked Feed Protection for Hydrotreating Catalysts - NPRA Paper - AM-07-41
- Eurecat Totsucat CFP Cracked Feed Protection
Passivation
The Passivation process allows for the safe loading of sulfided and activated catalysts under air. Passivation can be applied to both Totsucat® sulfiding and CFP treatments. The Passivation process eliminates the need for inert loading.
CATALYST CONDITIONING
Eurecat preconditioning services can be applied to a wide range of fresh and regenerated materials including nickel, cobalt, copper, chrome, iron and zinc based catalysts, noble metal (palladium and platinum) based catalysts, and adsorbents.
- Highly flexible and efficient facilities (batch/continuous process,counter/co-current configuration, wide range of operating conditions,and use of various chemical atmospheres.
- Highly trained and experienced staff of technical experts and operators
- Laboratory and pilot plant capability for catalyst operation
- Latest analytical capability for catalyst characterization
- Assurance of quality control during industrial campaigns
- Commitment to high quality and environmental standards
- Co-operation under possible confidential secrecy agreement
CasE - (Catalyst Activity and Selectivity Enhancement)
Various types of treatments tailored for different catalysts and applications.
Sulfiding Comparison
TOTSUCAT® Benefits
- Load-and-Go reactor startups
- Minimized flaring to met new flare/emissions
regulations - No exotherms upon start-up
- Minimal sour water formation
- No additional H2 needed at startup
- No H2S release into fuel gas
- No odor incidents from sulfiding chemicals
- No handling of sulfiding chemicals
- Catalyst performance is maximized
- Upset conditions will not damage the catalyst
- Totsucat+Passivation allows for loading under air
