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Literature

Maximize reliability in grassroots crude units

Crude unit operators are far too familiar with a long list of crude unit reliability problems including fouling in heat exchangers and fired heaters, poor desalting, corrosion of piping and equipment, and coking in the vacuum column wash zone. Many millions of dollars have been spent fighting ...


Maximize the value of your naphtha feedstocks and downstream processes

New solutions for changing needs Lighten the burden of heavy feedstocks with Topsoe catalysts, process designs and technologies. If your refinery is like most, you’re under pressure to squeeze more value out of heavier feedstocks, and this presents new challenges for catalysts. To ...


Maximizing diesel recovery in your columns

Increased demand for automotive diesel is challenging refiners to adjust operating strategies to maximize middle distillate production. While some refiners choose to alter catalyst formulations or build new cracking units to increase diesel yields, optimizing the separation between gas ...


MECS® HexPro™ Ferrules

For waste heat boilers and heat exchangers in sulphuric acid plants. Precast, precision ceramic ferrules for severe temperature and heat-cycling conditions. Fast, Simple installation. MECS® HexPro™ Ferrules are pre-engineered for each installation and come properly sized, accurately ...


MECS® HexWall™ Baffles

For sulfuric acid plant sulfur burners and spent Acid recovery furnaces. Interlocking hexagonal ceramic blocks for fast installation and superior structural stability. MECS® HexWall™ is a versatile, mechanically stable system consisting of a series of stackable six-sided blocks ...


MECS® SolvR™ technology for regenerative SO2 recovery.

An energy efficient so absorption process with nearly zero SO2 emmissions. MECS® SolvR™ Technology employs an absorption solvent that is readily available, environmentally friendly and lower in cost than solvents used in other SO2 absorption processes. The technology can be ...


MECS® sulfuric acid and environmental technologies

Is the leading provider of proprietary process technology, speciality products and technical services to the global sulfuric acid industry. MECS® has provided best-in-class sulfuric acid plant processes, clean technologies, and specialty products to a wide distribution of industries ...


MIDW™ catalyst technology and services

Better diesel yield. High performance dewaxing with MIDW™ catalyst technology and services. ExxonMobil’s MIDW™ catalyst technology and services provide high yields of low cloud point diesel. The process uses a proprietary catalyst that converts waxy paraffins to higher ...


Modern crude distillation, modularized

Global interest in modular refinery construction is surging. Small modular refineries are attractive to investors for several important reasons: SPEED: Project time from contract execution to start-up can be as short as 18-24 months. LOGISTICAL ADVANTAGES:Modular refineries can be built ...


Moving gamma scanning forward – quantitative analysis of tray capacity

Improving process operating margins can include maximising production of higher value products and/or minimising production costs. Process plants depend heavily on fractionation towers to produce products meeting customer specifications. Tower gamma scanning is well established in the ...


Myth of the 1000°F vacuum unit cutpoint

Canadian Synbit and Dilbit crudes will come to make-up a substantial fraction of feedstocks to North American refineries. Today, however, for the most part refiners both north and south of the 40° parallel seem to be unaware of the extreme challenges this change will present. To run ...


Nasty stuff

Heavy crudes are here to stay. As longs as oil prices remain high, Canadian, Venezuelan, Deep Water Gulf of Mexico, Mexican and other low API gravity crude oils will play an ever more important role in supplying world refineries. And prices promise to remain high because gainsayers notwithstanding, ...


Oil sands crude – profits and problems?

Canadian bitumen production currently runs about 1 MMbpd, with some being sold as Synbit and Dilbit. Over the next 10-12 years output is expected to increase to 3.5 MMbpd and more refiners will begin investing to process it and come to depend on the Synbit and Dilbit for a significant ...


On budget, on time, offine

Flawless project execution will not prevent a unit shutdown due to selecting the wrong metallurgy for a challenging crude slate. No matter how well it is fabricated and installed, a shell and tube exchanger with cold, high viscosity vacuum resid on the tube side will have poor heat transfer ...


On-line heater and boiler chemical cleaning technology

GTC’s fired heater cleaning solves common process feed heater problems. With rising pressure to reduce energy costs, GTC’s advanced fired heater/boiler chemical cleaning technology is an effective way to improve heater efficiency without shutting down plant operations. Our ...


Opportunity knocks

A group of interesting articles* deals with opportunity crudes, a mixed breed that includes very heavy, sour and high total acid number types as well as those with unexceptional naphthenic acid content but which do have significant concentrations of aliphatic acids or possess the ability ...


Optimizing CO2 capture, dehydration and compression facilities

The removal of CO2 by liquid absorbents is widely implemented in the field of gas processing, chemical production, and coal gasification. Many power plants are looking at post-combustion CO2 recovery to meet environmental regulations and to produce CO2 for enhanced oil recovery applications. ...


PackView™ - quantitative analysis of packing mal-distribution

The last issue of Tracerco Insight (Vol 6 Ed 1) featured our patent pending FrothView™ technology illustrating how using Tracerco’s new measurement detector technology and analysis of gamma scan data provides quantitative information about the useful capacity of trayed towers. ...


Pressure swing adsorption

Linde has continued with innovative improvements of the pressure swing adsorption process (PSA) and strengthened its position as world leader in this field of technology. Over 500 PSA plants - including the world‘s largest units - have been designed and supplied by Linde. The well ...


Processing heavy Canadian crude

Reducing crude oil cost is the major incentive driving crude and vacuum unit projects to handle heavy Canadian crudes. But such crudes–Albian Heavy, Christina Lake, MacKay River and others derived from oil sands–today present refiners with a unique set of problems not just ...


ProMax®

ProMax is built on over 40 years of continual research and development efforts. Our team of development engineers has consistently found innovative ways to model processes so that the end results accurately refl ect the actual operating conditions of gas processing, refi ning and chemical ...


Proper design of mass transfer internals in the FCC flue gas scrubber can help reduce PM emissions

The EPA’s New Source Performance Standards (40 C.F.R. §60.100-1-0, subpart Ja) regulates refinery particulate emissions, including the discharge of catalyst fines from the FCCU flue gas scrubber stack. Because refiners have traditionally correlated particulate matter (PM) emissions ...


Reactor Internals

State-of-the-art hardware to help optimize catalyst utilization, maximize cycle length and increase process safety. The performance of hydroprocessing reactors is determined not only by the catalyst loaded but also by the design of their internals. Shell Global Solutions’ internals ...


Reduced solid waste / more stable operations with increased protection

A high-performance, highly-stable catalyst is at the heart of the OlgoneSM process. This technology is designed to extend cycles of existing aromatic stream treaters and to reduce or eliminate the amount of solid waste generated. The outstanding performance of the Olgone process can lead ...


Safeguard packed column efficiency with proper liquid distribution

Initial liquid distribution directly affects the efficiency of structured and random packing beds. As such, some form of flow test should be conducted to validate distributor performance prior to column startup. Steady state water flow testing is the most common method of testing distributors. ...


Selecting the best solvent for gas treating

Selecting the best amine/solvent for gas treating is not a trivial task. There are a number of amines available to remove contaminants such as CO2, H2 S and organic sulfur compounds from sour gas streams. The most commonly used amines are monoethanolamine (MEA), diethanolamine (DEA), and ...


Separator technology reduces refinery operating costs and downtime

A US refining company contacted us to discuss a separation problem in the feed to an alkylation process. Caustic entrainment from their selective hydrogenation unit was poisoning the hydrofluoric acid catalyst in the alkylation unit. The continuous phase feed to the alkylation unit consisted ...


Shell sulphur technology platform

Consultancy and technologies to help take control of the sulphur paradox. The reduced availability of light and sweet crudes, and the consequential increase in the cost of such feedstocks, makes it more and more attractive for refiners to take in heavier and sourer feeds. However, there ...


Solutions for a cleaner, safer tomorrow

Through its science-based Clean Technologies portfolio, DuPont offers focused solutions based on real-world experience. The company has dedicated itself to improvements in the areas of clean air and clean fuel, and this has led the company to seek out like-minded industry partners and ...


SRU solutions Dynawave® reverse jet scrubber

Claus Sulfur Recovery Units (SRU) are found in various industries, such as refineries, natural gas processing plants, chemical plants, and coal gasification facilities. The Claus process is widely used to recover sulfur from HS containing gas streams. However, a Claus SRU can typically ...


Stratco® alkylation technical services

As the world leader in sulfuric acid alkylation, DuPont has extensive experience and know-how that can support your alkylation unit, either on an as needed or ongoing basis. Whether it’s troubleshooting, optimizing operations, supporting maintenance, turnaround consulting, training, ...


STRATCO® alkylation technology

In January 2003, DuPont acquired the alkylation division of STRATCO, Inc., a leading alkylation technology licensing company servicing oil refineries throughout the world. Assets acquired include the STRATCO® brand name and technology, intellectual property, a global customer base, ...


Stratco® XP2 technology for the stratco® contactor reactor

The STRATCO® XP2 technology is a Contactor™ reactor enhancement developed to improve the acid/hydrocarbon emulsion flow path near the tube bundle end of the Contactor™. In the current design, emulsion flow leaves the annulus between the Contactor™ shell wall and circulation ...


Sulfur recovery

With increasing environmental concerns, sulfur recovery has become one of the leading issues in emissions reduction. Bryan Research & Engineering’s process simulator, ProMax, contains a complete reactor suite for modeling kinetic (plug flow and stirred tank), equilibrium, conversion, ...


Technical services agreement for sulphuric acid alkylation

A strategic partnership to maximise alkylation unit performance. Maximizing the performance of your alkylation unit is a high priority, but challenging in today’s world with a changing workforce, increased workloads, and technology advances. DuPont can help you answer your challenges ...


Tracerco Diagnostics™

Providing real time measurement technologies to assist with critical decision making. Tracerco Scanning Services TRU-SCAN® Application. Do you have problems with the operation of your stripper/absorber or fractionation tower? Is this limiting production? Do you want to reduce your ...


Tracerco Diagnostics™ FCCU Study

The Fluidized Catalytic Cracking Unit (FCCU) is the economic heart of a modern refinery. Even small increases in its yield can bring about significant overall gains in productivity and revenue. Tracerco is a world leading industrial technology company providing unique and specialized detection, ...


Tracerco Profiler™ HMI

A Windows based application offering dynamic displays, diagnostics, trending, control and historical logging. The Profiler™HMI, is a ready-made graphical user interface that provides clear insight into your separation process while enabling efficient operation and control of the ...


Tray design features that reduce turnaround maintenance time

Column shutdowns can be costly. Production is halted and maintenance expenses accumulate without any offsetting revenue. Maintenance crews need to isolate, open, inspect, modify, repair, and close columns, all under pressure to complete work as expeditiously as possible. Minimization of ...


Turnaround services and replacement equipment for mass transfer components

Sulzer Chemtech has over 50 years of experience in providing outstanding mass transfer technology, process engineering and equipment. Our global coverage allows us to bring our services to you, day or night, in almost every country of the world. Our employees are ready with the conviction, ...


Understanding the financial impact of a collapsed flue gas tunnel in your SMR

The overall influence of tunnels on the flue gas flow in a steam methane reformer has been modeled and documented, and the concept that running a reformer without tunnels can decrease overall efficiency is well understood in the industry. The study detailed in this webinar focuses on ...


From hydrogen production to sulphur recovery - let ceramics pave the way

Learn how to boost the reliability and performance of your hydrogen production and sulphur recovery plants through the deployment of Blasch’s proven ceramic systems. Benefits include: • Higher plant reliability and much longer run-lengths • 60 -90% faster installation ...