http://www.hydrocarbonprocessing.com Hydrocarbon Processing Pellet handling system for polyolefin plants: Are you specifying it correctly? https://hydrocarbonprocessing.com/magazine/2024/march-2024/plant-design-engineering-construction-and-commissioning/pellet-handling-system-for-polyolefin-plants-are-you-specifying-it-correctly/ Product pellets produced in polyolefin plants—such as polyethylene (PE) or polypropylene (PP)—require transportation from the unit to the end users that process these pellets to manufacture different end-use plastic products. Innovative approach to accelerating the startup of a gasoline block and associated units at Saudi Aramco’s Jazan refinery complex https://hydrocarbonprocessing.com/magazine/2024/january-2024/process-optimization/innovative-approach-to-accelerating-the-startup-of-a-gasoline-block-and-associated-units-at-saudi-aramco-s-jazan-refinery-complex/ This article elaborates on the startup of a refinery’s heavy naphtha reforming unit with an alternative approach to the initial unit design, including an evaluation of several startup techniques to ensure the adequacy and practicality of the selected option. Understanding chiller basics and P-H diagrams https://hydrocarbonprocessing.com/magazine/2023/december-2023/process-optimization/understanding-chiller-basics-and-p-h-diagrams/ Chillers are extensively used in industrial, manufacturing and commercial facilities. Take the mystery out of running your LNG plant https://hydrocarbonprocessing.com/magazine/2023/november-2023/lng/take-the-mystery-out-of-running-your-lng-plant/ Many natural gas liquefaction plants with production capacities ranging from 0.5 MMtpy to 8 MMtpy use mixed refrigerants to cool and liquefy the feed. Energy comparison for heat pump and bottom flashing schemes for C<sub>3</sub> hydrocarbon system https://hydrocarbonprocessing.com/magazine/2023/october-2023/process-optimization/energy-comparison-for-heat-pump-and-bottom-flashing-schemes-for-csub3sub-hydrocarbon-system/ Propane-propylene splitters are present in significant numbers across petrochemical complex units, such as ethylene crackers and propane dehydrogenation units. Beyond sequestration: Changing CO<sub>2</sub> from a problem to a solution—Part 1: CO<sub>2</sub> as a refrigerant https://hydrocarbonprocessing.com/magazine/2023/september-2023/carbon-capturecosub2sub-mitigation/beyond-sequestration-changing-cosub2sub-from-a-problem-to-a-solution-part-1-cosub2sub-as-a-refrigerant/ As the world continues along its energy transition trajectory, demand for blue hydrogen and reduced carbon emissions will make high-purity carbon dioxide streams available in many process plants. Control reciprocating compressor pressure pulsations to ensure long-term operational reliability https://hydrocarbonprocessing.com/magazine/2023/august-2023/valve-pumps-and-turbomachinery/control-reciprocating-compressor-pressure-pulsations-to-ensure-long-term-operational-reliability/ Reciprocating compressors receive and deliver gas in discrete slugs (or pulses) as the pistons move back and forth. Process safety: Protecting LNG processes https://hydrocarbonprocessing.com/magazine/2023/august-2023/lng/process-safety-protecting-lng-processes/ At roughly 50 yr old, the liquified natural gas (LNG) industry is a relatively new part of the global energy market. Challenges faced during liner installation of a reciprocating makeup compressor https://hydrocarbonprocessing.com/magazine/2023/june-2023/online-feature/challenges-faced-during-liner-installation-of-a-reciprocating-makeup-compressor/ A hydrocracker makeup compressor in a refinery in Saudi Arabia failed during operation. Upon internal inspection of the compressor, it was found that the cylinder liner was cracked and needed a replacement. C3, splitter revamp case study emphasizes importance of balancing in four-pass trays to achieve separation efficiency and capacity https://hydrocarbonprocessing.com/magazine/2023/june-2023/special-focus-process-optimization/c3-splitter-revamp-case-study-emphasizes-importance-of-balancing-in-four-pass-trays-to-achieve-separation-efficiency-and-capacity/ The C3 splitter in an olefins plant is one of the most important and critical pieces of equipment: it separates polymer-grade propylene from propane.