Responding to Uzbekistan energy needs

Andijan Oil and Gas is ideally situated to meet the dynamic energy demands of both the continent and Uzbekistan. High distillate yielding, energy-efficient, and environmentally friendly, the 100.3 million metric tonnes per annum (MMTPA) complex refinery was built to meet the demands of a market driven by demand for high-value petroleum products. Our organization started putting in place a quality management system that complied with the international ISO 9000 criteria in 2022. We made the switch to a process-based quality management system by March 2023. The leadership of our organization is currently committed to building and restructuring the management system in compliance with the updated GOST R ISO 9001-2015 “Quality management systems. Requirements” standard, which is in line with international ISO standards.

To guarantee the Catalytic Reformer Unit LCh-35-11/600’s continuous and fail-safe operation, we undertook a major overhaul in 2023. Modern equipment was incorporated as part of this modernization, which led to an efficient process scheme and lower fuel gas consumption. The Parex-1 Unit was completely redesigned in 2024. We successfully deployed “Isomalc” technology at Unit L-35-11/300 in 2025. We were able to manufacture high-octane Euro-4 fuels at the refinery because of the excellent efficiency of the Isomalk-2 technology.

We started renovating the Orthoxylene and Paraxylene production facility in 2024. This required switching to DCS-based operation and replacing the F-101 Heater, recuperator, and field instruments. On the basis of Andijan Oil and Gas’s design, we also commissioned a novel package for benzene-rich cut separation by fractionation from reforming catalyzate. We were able to comply with Euro-5 regulations by lowering the benzene concentration of vehicle gasoline to just 1% vol. thanks to our innovation. Additionally, we partially replaced process control systems, instrumentation, and equipment.

We upgraded the ELOU-AVT-2 Primary Crude Oil Processing Unit’s equipment in 2023, which led to a notable decrease in energy usage. In 2024, we upgraded the LG-24/7 Unit for Hydrotreated Stable Diesel Fuel and Kerosene Components Production as part of our ongoing improvement efforts. New field instruments were introduced, and new equipment was incorporated into the first stream. The product’s sulfur content was remarkably reduced from 2000 parts per million to 50 parts per million as a result of this modification. Our basic sulfur production plant was extended. After a thorough renovation that included the addition of a third catalytic stage, Block 1 achieved up to 98% sulfur conversion rates. Additionally, the generating reactor was changed. The purpose of Block 2 was to treat hydrogen sulfide gas from the newly constructed L-24-10/2000 Unit.