Spotlight Seminar

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Geothermal Applications
December 2, 2021

We will explore the electrolyte-based challenges of geothermal fluid production and how OLI technology is used to solve production chemistry challenges, in part or completely.  Several topics will be discussed: mineral scaling;  corrosion; types of silicate scale that can be predicted vs reported; how the process is set up in Studio or Flowsheet; and how to quantify flows when steam is a major fluid component

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OLI desktop and cloud solutions for wastewater treatment
November 4, 2021

In this spotlight seminar, Leslie will demonstrate how process models for industrial wastewater treatment developed in OLI Flowsheet: ESP can improve performance and reliability. Further, these models can also be published as simple, easy-to-use Cloud Apps with the OLI Cloud Application Builder. Three water treatment cases showing waste processing with evaporation, cooling tower optimization, and lime softening will be modeled in OLI Flowsheet: ESP.  These models will be used to analyze water treatment equipment performance for in-the-field real-time optimizations

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Sustainability - Mining Drainage
October 14, 2021

In this Spotlight seminar we will look at how acid mine drainage (AMD) treatment options can be evaluated using OLI software.  We will use the OLI Studio to study the effect of standard alkaline treatments like lime, limestone, soda ash and magnesium hydroxide, on water quality.  We will also compare the composition and quantity of waste sludge quantity that is produced.  In addition to standard alkaline chemicals, we will test industrial by-products like cement kiln dust and coal fly ash as treatment options. 

Next, we will use OLI Flowsheet to study treatment processes like RO and will combine the neutralization processes studied in OLI Studio with the process options in Flowsheet to create a complete solution

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Driving Digital Transformation using Cloud APIs & Cloud Apps
September 9, 2021

Applying chemistry insights with the right technology to positively improve a process and enable people to excel. Software use and expectations for delivery have been changing rapidly as Indutry 4.0 marches onward. Cloud computing-powered software-as-a-service delivers a jump in computer-aided engineering by providing powerful electrolyte simulations to improve asset/equipment performance and product quality anywhere, anytime.  Extending beyond traditional simulation to enhance everyday operations is the goal of the OLI Cloud APIs and Cloud Apps.   When coupled with real-time data and enabled on the “shop floor”, the value grows exponentially delivering a true digital transformation.  Join us to learn about the OLI Cloud portfolio and how it can accelerate your digital transformations. Spotlight will highlight the tools and several use cases that we’ve been brewing

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Using OLI Flowsheet Optimizer - Thermodynamics
June 10, 2021

An OLI customer reported that the amount of a lithium sulfate solid observed in a pilot plant was severely underpredicted by OLI Flowsheet. OLI has determined that the binary interaction parameters had not yet been developed for the system of interest. The Optimizer Tool in OLI Flowsheet can quickly develop these parameters to match the observed plant data. Jim Berthold will show how he determined which parameters are missing and which need improvement. Jim will then go on to explain his rationale to use the optimizer tool to develop or improve the parameters. Finally, he will show how to model the plant using the updated parameters. This is the beginning baby steps in developing digital twins to existing processes.

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OLI Cloud App Builder in the V11 Platform – Refining Industry Applications

May13, 2021

Operating conditions in a refinery are ever-changing, making the ability to capture windows of opportunity paramount to unit profitability.  Refiners have a wide variety of simulation tools at their disposal to decide if flow rates, temperatures, pressures, cut points, etc. can be changed in order to increase production and capture additional profits. However, these changes can have a detrimental effect on unit reliability, increasing corrosion and fouling of the system. In the past, process technology groups had to depend on experts to set up and run models and advice the refiner if the change in operating conditions will affect the unit negatively, often with an answer a few days later when part of the opportunity (or all of it) is lost.  During this spotlight, Ezequiel will demonstrate OLI’s Application Builder and how this cloud-enabled tool empowers expert teams to deploy simple, easy-to-use applications,  providing operations teams with the tools to make decisions in a matter of minutes, rather than days, and capture the entirety of the opportunity

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OLI Platform V11 Capabilities

April 15, 2021

OLI is releasing V11 of its platform software. We presented a glimpse of the new features, functions, and chemistry available in this upcoming release. The highlight of the release is the Flowsheet optimizer tool.  This tool enables users to tune their simulation to laboratory and field measurements.  Also in the release are new case file templates, a start-stop-restart function, an enhanced corrosion database for carbon steel and corrosion-resistant alloys, an expanded MSE database with nearly 200 new species, species-interactions, and property improvements, and new chemistry for battery materials (Li/Ni/Co) and rare earth metals

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Modeling Sour Water Strippers & Process Effects Of Corrosion

March 11, 2021

The Sour Water System is one of the critical processes of a refinery and its inefficient operation can significantly harm refinery throughput and profits. Electrolytes-based modeling of Sour Water Stripper can help to improve asset reliability by identifying sections susceptible to corrosion and evaluate process parameters to mitigate this risk. In this spotlight, Saher will share how the OLI software can be used to enhance the reliability of refinery operations with accurate insights

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Process Simulation Of Mining Applications

February 11, 2021

Accurately modeling waste streams in the mining industry is paramount to optimizing operations and being compliant with environmental regulations. In this spotlight, Ezequiel will demonstrate two process simulation examples in mining to increase process efficiency and effectiveness with the OLI Flowsheet: ESP software. The first example is the cleaning of wastewater streams and the second one is the recovery of precious metals from ore dust

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Carbon Capture Storage (CCS) Thermodynamics

January, 21, 2021

Carbon capture, transport, and storage (CCS) technology enable the reduction of CO2 emissions, thereby limiting the global temperature rise. This technology, coupled with a comprehensive thermodynamic model and complete database of species for the capture and transport steps, is a prerequisite for effective process design, simulation, and prediction of safe operating windows. The Mixed-Solvent Electrolyte (MSE) thermodynamic framework from OLI Systems, Inc. coupled with OLI’s software tools - OLI Flowsheet: ESP V10 and OLI Studio: Corrosion Analyzer V10 - is well suited for simulating CCS, and can help you to choose the appropriate material for construction and accurately predict the formation of corrosive components and understand their safe limits, corrosion rates, and the conditions that can lead to failure

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Brine Desalination

December 10, 2020

There has been a marked increase in the number of clients using OLI Software for desalination research and operations.  Their cases include thermal separation, ion exchange, membrane separation, and also freezing desalination.  We will look at several of these desalination approaches in this seminar.  Example cases will include multiple-effect evaporation, mechanical vapor compression, reverse osmosis, freezing desalination, and some initial work on osmotically assisted reverse osmosis

November 19, 2020

OLI Systems has created the OLI Alliance Engine to bring electrolyte thermodynamics to the most widely-used process simulators. These partnerships allow engineers and designers to fully utilize the VLLS equilibria developed by OLI inside their simulator of choice, addressing process, and asset reliability challenges within a single ecosystem. In this spotlight, we will explore simulations using the OLI Alliance Engine within OLI’s partner AVEVA and their process simulation software PRO/II. We will explore how to use OLI’s thermodynamic package within PRO/II to calculate optimal regent dosing to ensure contaminant removal of a water stream before it is returned to a body of water, in the mining industry

October 22, 2020

There are multiple methods for treating brines produced from geothermal and oil and gas reservoirs.  Conventional operations like deoiling, H2S removal, solids removal, VOC removal, silica removal, and hardness removal are common methods to make the water suitable for reuse as steam, water injection, or disposal.  What is new, and interesting, is the research and development around extracting greater value from these enormous quantities of water.   For example, certain produced water contains an appreciable concentration of lithium that is profitable to remove.  Others have suitable salt compositions that make them easier to process into reusable waters using new separation technologies. We will look at some of these examples in this spotlight presentation.

October 08, 2020

A novel, electrolytic thermodynamic model to simulate HF, Water, ASO (acid soluble oils) and Hydrocarbons interactions was created in a Joint Industry Project (JIP) by collecting literature experimental data and input from JIP members. In this spotlight, we will explore the importance of IOWs (Integrity Operating Windows) to create (or avoid) corrosive environments in the feed line to HF Alkylation Units’ Main Fractionators (Isostrippers, Depropanizers, etc.) and Overhead lines, as well as how to develop a safe and reliable operating envelope for the fractionation section of an HF Alkylation Unit.

September 17, 2020

A novel, electrolytic thermodynamic model to simulate HF, Water, ASO (acid soluble oils) and Hydrocarbons interactions was created in a Joint Industry Project (JIP) by collecting literature experimental data and input from JIP members. In this spotlight, we will explore novel thermodynamic work developed by OLI in conjunction with its industry partners and its implications to corrosion control in HF Alkylation Units

September 10, 2020

In this spotlight, Diana explained the basic principles underlying the OLI Corrosion Module in the OLI Studio: Corrosion Analyzer and discuss how corrosion rate values, repassivation potentials, propensity to localized damage and polarization curves are calculated. She showed how to set up corrosive environments, how to set up the corrosion rate calculations for different metallic materials, and how to interpret these values using the OLI Studio: Corrosion Analyzer tool.

August 06, 2020

Introduction to Electrolyte Modeling with OLI Software. Jim will present how the mathematical model is developed and the parameters needed for the calculation. He will also build a model in Microsoft Excel to see how “Easy” it is to build an electrolyte model and show some examples of why electrolyte modeling in the aqueous phase can be misleading to the casual observer

July 16, 2020

OLI Systems has created the OLI Alliance Engine to bring electrolyte thermodynamics to the most widely-used process simulators in the Oil and Gas industry. These partnerships allow engineers and designers to fully utilize the VLLS equilibria developed by OLI inside their simulator of choice, addressing process, and asset reliability challenges within a single ecosystem. In this spotlight, we will explore simulations using the OLI Alliance Engine within the Alliance’s newest partner: KBC’s Petro-SIM®

June 11, 2020

Corrosion control in oil refining equipment is very complex, as these issues are associated with the ever-changing conditions of a refinery including swings in production requirements, increase in unit throughputs, processing of opportunity crudes, etc. Ezequiel will show us how the OLI Systems simulation technology can be used to model these systems and predict the formation of corrosive chemicals. These predictions will enable refiners to better manage the unit integrity and analyze the process operating envelopes under changing conditions.

May 14, 2020

Diana showed how to set up a cooling tower simulation using OLI Flowsheet: ESP. She will explore different factors that can have an impact on the efficiency of the cooling process: (1) Quality of the feed water, (2) Quality of the make-up water, and (3) amount of blowdown. She will also show the effect of acid treatment adding HCl to the recirculating water to reduce scaling buildup. Corrosion rate calculations on different construction materials using the recirculating water chemistry will be also shown. 

April 09, 2020

This spotlight seminar covers advanced approaches to simulating autoclave experiments.  When the Autoclave simulation tool was created in 2015, calculations performed by the clients were simple.  They were based on charging a sealed autoclave with gas at ambient conditions and raising the temperature to test conditions.  The total and pressures and partial pressures were then computed.

February 13, 2020

In this session Diana will describe how to create real-solution Pourbaix diagrams (or Potential vs pH diagrams) using OLI Studio. These real-solution Pourbaix diagrams generated with OLI software account for the activity coefficients of species in solution. Additionally, the OLI Pourbaix diagrams can be generated at different temperatures and pressures. These considerations create a more predictive diagram.

 

Diana will present two different systems: (1) The Au-CN-H2O system to understand the gold cyanidation process for gold extraction, and (2) the effects of temperature and H2S concentration on the Fe-H2S-H2O system

November 21, 2019

During this spotlight, we will look at the new features available in OLI Flowsheet: ESP V10 and how they can be implemented to model a desalination process. In the example case study, the simulation of a desalination plant located in Egypt will be considered with the goal of producing potable water with a TDS (total dissolved solids) less than 100 ppm reduced from a brackish feed water of over 10,000 ppm TDS. We will explore the advanced OLI Flowsheet ESP capabilities which help facilitate this process simulation study like Ionic water analysis input, TDS calculations etc.

October 10, 2019

We will present in this Spotlight some of the key advancements in chemistry, user interface (UI), and applications that will be part of the new V10 software.  The chemistry advancements include database expansion in rare earth, organic complexes, natural organic matter, dense phase CO2, and also, some new corrosion-resistant alloys.  The UI advancements include faster runtimes, default units setup, updated reports, and faster screen refresh. The application advances include expanded capabilities in RO, feedback controller, splitter, and multi-stage column blocks  We will have a brief presentation of these and other advancements, and provide extra time for Q&A.

September 12, 2019

This month’s spotlight is on the processing of Rare Earth Elements (REE) using solvent extraction. REE’s are found in trace amounts in many phosphoric acid ores. These trace elements can be removed and concentrated to useful quantities using solvent extraction. The spotlight will focus on Europium and Yttrium extraction using Tri-n-butylphosphate.

August 08, 2019

In this Spotlight Seminar, Dr. Diana Miller demonstrated how to calculate scaling profiles in CO2 and/or H2S-rich production fluids. Conditions at both separator and reservoir will be shown. You will see how new property data and the MSE-SRK framework improve the OLI Studio: ScaleChem model predictions by combining the accurate prediction of VLE (CO2 and H2S partitioning in oil, gas and water phases) with scaling prediction for solids in the upstream UHPHT operating conditions.  This enhanced analysis is very important in the oil and gas industry as the accurate prediction of carbonate and sulfide scales is vital to delivering high operational efficiency and asset integrity

July 11, 2019

Phosphorus is fundamental to all living things. It is essential for food production and is one of three nutrients (nitrogen, potassium, phosphorus) in commercial fertilizer. In this spotlight, we focused on how OLI Flowsheet and process simulation skills can be utilized to make phosphatic clay (currently a waste material) into a feed material for H3PO4 production.

June 06, 2019

In 1961 President Kennedy said “No water resources program [speaking of a DOW-Freeport desalination plant] is of greater long-range importance than our efforts to convert water from the world’s greatest and cheapest natural resources – our oceans – into water fit for homes and industry. Such a break-through would end bitter struggles between neighbors, states, and nations.” This statement is still true more than 50 years later with more than 40 % of the world’s population suffering from water shortages. This percentage expected to increase to more than 60% in the next 10 years.

This spotlight Jim illustrated a typical desalination plant using both multistage flash unit operations and reverse osmosis unit operations. OLI Software can provide insights and value to many places in the plant.  This spotlight will also illustrate some of the problems with desalination.

April 30, 2019

AJ will be presenting the use of OLI Flowsheet: ESP to simulate a warm lime softening design​. Water treatment operations like lime softening is a viable application in Flowsheet ESP. The software tool contains the chemistry and unit operations needed to simulate this and other treatment processes effectively.  In addition to the standard acid-base, precipitation reactions typical of this operation, chemical mechanisms can be expanded to include adsorption on metal oxides, ion exchange, and reverse osmosis

April 04, 2019

In this spotlight, Diana demonstrates how to analyze corrosion rates and polarization curves using the OLI Corrosion Analyzer tool. Specifically, corrosion rates of carbon steel in aerated systems will be studied as a function of pH, flow velocity and in the presence of selected inorganic inhibitors. Simulations such as these provide an overall understanding of how different operating variables can have a significant impact on the lifetime of equipment and assets.

March 07, 2019

HF Alkylation units are critical for refineries because of the alkylate production. Alkylate is important in creating clean burning fuel. HF Alkylation units are susceptible to corrosion issues because of its complicated and difficult to model ionic chemistry. OLI is well versed with the ionic modeling approach for refinery corrosion units and in this presentation Rasika Nimkar demonstrated the basics of HF-H2O system ionic modeling and OLI’s rigorous approach to identify and alleviate the causes of corrosion

February 07, 2019

Jim discussed the chemistry behind alkanolamine gas sweetening as well as the affects of thermal degradation of the amines and the impact on the gas sweetening process

January 08, 2019

Mercury is a target element for removal from coal-derived flue gases due to its neurotoxic properties.  Mercury in elemental and vapor form is difficult to remove and requires additional chemical additives like oxidants and oxidation catalysts.  A.J. presented a flue-gas desulfurization operation and focused on the form of mercury in the unit, and how chemical additives may impact overall mercury removal

December 13, 2018

Lithium (Li), an exceptional cathode material used in rechargeable batteries, is an essential element in modern energy production and storage devices. Extraction of lithium by processing minerals, brine, or sea water produces technical-grade Li2CO3. To upgrade the purity to electrochemical grade, there are several purification processes. Diana will show the carbonation process, during which the technical-grade Li2CO3 is subjected to carbonation with gaseous CO2 at elevated temperature and pressure to solubilize the lithium as LiHCO3. LiHCO3 is then heated at 90 ⁰C to precipitate lithium as Li2CO3 with 99.95% purity. The released CO2 is recycled for reuse

November 15, 2018

Rasika used OLI's RO membrane in Flowsheet: ESP and compare the simulation with a real-world application. In this case, we are simulating a desalination plant located in the middle-east and built to World Health Organization standard. 

October 18, 2018

Elemental mercury is a contaminant in many gas and crude wells. Mercury is both a separate phase and is soluble in hydrocarbons an in water and thus can cause corrosion and embrittlement of pipes and welds. Mercury sulfide can also cause fouling and equipment failures. Understanding the chemistry of mercury in hydrocarbons is the first step in its removal and treatment. This presentation will discuss the thermodynamics of mercury in hydrocarbons. In addition, case examples will show how mercury can be simulated in process equipment

September 20, 2018

Diana Miller presents a complete laboratory reproduction, of the corrosion phenomena occurring in equipment, can be predicted using an autoclave with accurately simulated water and gas compositions and real temperature and pressure conditions. Diana will explore the performance of corrosion resistant alloys using autoclaves simulated by Flowsheet ESP, which can be used as initial predictors for the conditions needed to feed real autoclave experiments.

August 23, 2018

Several elements of OLI technology; acid-base chemistry, minerals, autoclaves, and flowsheet simulation, come together when modeling a nickel ore digestion process. This Spotlight episode will explore several key factors that govern the nickel digestion process and product purity, from ore digestion to insoluble solids washing

August 09, 2018

This week's session, Rasika explored corrosion in refining overheads as a common problem caused by neutralizing amines. Learn how OLI software can calculate safe operating temperatures, by identifying the water dew point, the amine salt point and an ionic dew point for systems involving neutralizing amines

July 26, 2018

Jim explores Struvite + phosphate application using struvite as a method to recover phosphate from waste water. Phosphate ores are becoming scarce in the many parts of the world and fertilizers which rely on phosphate are also becoming scarce. Wastewater, especially from municipal systems, contain high levels of nitrogen and phosphate which are the effluents from bio-treatment ponds.  This waste water can be reclaimed to produce struvite for fertilizer production.

July 12, 2018

AJ shows a critical method for removing toxins from water is to adsorb them onto oxide surfaces of iron, aluminum and manganese.  We will explore this surface adsorption mechanism in OLI, and compute the competitive adsorption of arsenate, selenite, selenite, and other materials into these surfaces.  We will also quantify the impact of solution chemistry and pH on removal efficiency

June 28, 2018

Diana shows how to use the OLI Studio: Corrosion Analyzer to predict general and localized corrosion in commercial alloys exposed to various produced water environments, and how you can use OLI to help select the most appropriate material for your application.

June 14, 2018

AJ explores the different OLI thermodynamic frameworks, the strengths and limits of each, and give tips for how to investigate and select which framework will work best for your particular application. 

May 17, 2018

This seminar explores the chemical challenge to isolate lithium from a brine of various cations and anions using a number of separation options. At the same time, we work on a separation scheme that also separates boron and potassium at ample purities from the same mixture.

April 26, 2018

CO2 in calcite is the chemistry that explores this seminar topic, of how to investigate case results when the solubility (or another parameter) shows a trend opposite to what you would expect.

April 12, 2018

This seminar features a few different methods for removing metals from water including chemical precipitation, surface complexation, ion exchange and evaporation.

March 29, 2018

Using the OLI Studio: Stream Analyzer, this seminar shows how to set up a CO2 titration using HCL and NaOH as titrants. Discussion includes how to let the software control your titration curve by specifying the desired pH of the system.

March 15, 2018

When there is water vapor in a gas line, the resulting condensate can be highly corrosive. Learn how to calculate when this phenomenon will occur.

March 01, 2018

A case study showing that rule-of-thumb estimates for pH are unreliable when applied to electrolyte chemistry.

February 15, 2018

Details of how and when to account for head space or open air in your vessel or tank, taking both volume & humidity into account.
 

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