Nebula® is the latest, highest activity shaped base metal catalyst and is the gold standard in catalytic hydrotreating. Nebula has been successfully applied in practically all HPC applications, from haphtha Hydrotreating to hydrocracking pretreatment. The most frequent applications are ULSD and HCPT.

1. The #GoldStandard for Catalytic Hydrotreating
Processed 2X more LCO, LVGO & Aromatic
Extract distressed feedstock
Application was the refiner’s 5th
consecutive cycle using Nebula∏
Application Conditions
Operating Conditions
Application Ultra-low-sulfur diesel
Payback period of only 2 months in
operation, leading to +20MM Euro in profits
Target Maximum distressed
feedstock
Feed Type Blend of SRGO,LCO,
VBGO and aromatic extract
Operating Pressure 70 bar
LHSV 1.2 h-1
CoMo STARS®
Vol. %
CoMo STARS
NiMo STARS
20%
27%
28%
25%
Case Study: ULSD-STAX®
Configuration
Maximize distressed feedstock while sustaining
cycle length and controlling H2
consumption.

2. The #GoldStandard for Catalytic Hydrotreating
+12-14 wt% aromatic saturation
and +2-3 API uplift = higher volume swell
Application was the refiner’s
1st
cycle using Nebula∏
Application Conditions
Operating Conditions
Application LCO HC-PT
Lower operating temperature (20-30°FWABT) allows
for longer cycle and flexibility to switch between
Naphtha or Diesel mode to capitalize on margins
Target Several objectives:
volume gain, product
properties, cycle length
Feed Type 100% light cycle oil
Operating Pressure 97 bar (1,406 PSIG)
LHSV 2.5 h-1
NiMo
Vol. %
NiMo STARS
27%
43%
30%
Case Study: LCO HC-PT STAX®
Configuration
Optimize operations between the pre-treat and cracking section while
increasing volume swell and sustaining it over an increased cycle run

3. The #GoldStandard for Catalytic Hydrotreating
Significantly increase distressed feedstocks,
i.e., aromatic extract, plus a +20% increase in
throughput and a +45% increase in cycle length
Application was the refiner’s
4th
consecutive cycle using Nebula∏
Application Conditions
Operating Conditions
Application VGO HC-PT
Short payback period ( 4 months),leading
to additional profits for refinery
Target Increasefeedseverity,
throughputandcyclelength
Feed Type Heavy feed
plus aromatic extract
Operating Pressure 115 bar (1,668 PSIG)
LHSV 1.0 h-1
NiMo STARS
Vol. %
80%
20%
Case Study: VGO HC-PT STAX®
Configuration
Boost refinery margins by allowing the unit to process
heavier feeds, increase throughput and run longer cycles

4. The #GoldStandard for Catalytic Hydrotreating
Continuously processed more severe CGO while
increasing throughput (5-10%) and maintaining
cycle length over successive cycles
The refiner is currently planning for their
5th
cycle using Nebula∏ by targeting
increased density uplift and severity
Application Conditions
Operating Conditions
Application ULSD
Short payback period coupled with increased volume
swell,leading to increased profits for the refinery
Target Process more severe
CGO + volume swell
Feed Type 30% CGO,
70% SRGO
Operating Pressure 65 bar (943 PSIG)
LHSV 1.9 h-1
NiMo STARS
NiMo STARS
Vol. %
60%
20%
20%
Case Study: ULSD STAX®
(4th
Cycle)
Push the boundaries of a medium-pressure ULSD unit
to further optimize operations and profit

5. The #GoldStandard for Catalytic Hydrotreating
The unit produced 10wppm sulfur (previous
target: 350wppm) without sacrificing objectives
and achieved +5-6 API uplift of the diesel product
Application was the refiner’s 1st
cycle
using Nebula®
Application Conditions
Operating Conditions
Application ULSD
Large savings on capital investments,
as no revamps were required and there was
no long shutdown period
Target Meet New Ultra-Low
Sulfur Diesel Regulations
Feed Type SRGO + CGO + Coker
Naphtha (CKN)
Operating Pressure 80 bar (1,160 PSIG)
LHSV 2.5 h-1
NiMo STARS
CoMo STARS
Vol. %
59%
23%
18%
Case Study: Avoid Large Capital Investments and Maximize Margins
Utilize superior hydrogenation power of Nebula as a drop-
in solution (STAX®
) to meet changing regulatory standards