China’s Independently Developed and Built Large Floating LNG Unit Completes Ship-Shifting in Qidong
China’s newly built offshore floating liquefied natural gas (FLNG) facility, the vessel GENTING FLNG, independently designed and constructed in China, has been successfully towed to the wharf of the Huisheng Lüsi Base in Qidong for subsequent outfitting. Upon completion of all construction work, the facility will set sail for waters off Indonesia to be put into operation, becoming Indonesia’s first floating liquefied natural gas unit. This marks another major breakthrough for China in the...
CNPC launches new 1.2 million-ton ethane light hydrocarbon to ethylene project
CNPC builds a 1.2 million-ton ethylene mega-factory. The main construction works and units include: a newly built 1.2 Mt/a ethylene cracker, 400 kt/a HDPE (high-density polyethylene), two sets of 400 kt/a FDPE (full-density polyethylene), and 1.3 Mt/a CCUS unit, totaling 12 sets of process units. Auxiliary production facilities, on-site public engineering works, off-site special railway lines and living bases will also be constructed as supporting facilities. Adopting the ethane cracking...
Xizhong Island Integrated Refining and Petrochemical Project
The Xizhong Island Integrated Refining and Petrochemical Project is a domestic large-scale refining and petrochemical enterprise relocation and reconstruction case, with a total investment of approximately 68.5 billion yuan and planned construction commencement in 2026. The project plans to build a new 10 mt/a refining unit and a 1.2 mt/a ethylene unit, together with supporting storage and transportation, public works and auxiliary facilities. In terms of downstream product layout, it is...
Construction Begins on EVA Unit in Guangxi Petrochemical Refining-Chemical Integration Project
On January 16, the 300 kt/a EVA unit (tubular reactor process) and the 100 kt/a H-EVA unit (kettle-type process) of PetroChina Guangxi Petrochemical Company officially commenced construction. The 300 kt/a tubular reactor unit focuses on large scale production of photovoltaic-grade EVA and is planned to achieve mechanical completion by the end of December 2027. The 100 kt/a kettle-type unit is dedicated to high-end specialty H-EVA products and is scheduled for mechanical completion by the end of...
Lu You Lu Lian Transformation and Upgrading Technical Renovation Project
With a total investment of approximately 24.493 billion yuan, the project commenced construction in Linzi, Zibo in December 2024, and has a construction period of 2 years and 7 months. The project encompasses both refining and chemical sectors. On the refining side, multiple new units will be established, including a 10 mt/a atmospheric and vacuum distillation unit and a 2.1 mt/a high-end carbon material unit. On the chemical side, a new 1 mt/a ethylene cracking unit will be built, along with...
Guangxi Petrochemical's 1.2 MT/A Ethylene Plant
The 1.2 mt/s ethylene plant at Guangxi Petrochemical, for which Huanqiu Company provided core proprietary technology and served as the EPC general contractor, has successfully completed a 96-hour performance test, with core equipment such as the triple-unit operating stably. The Guangxi Petrochemical 1.2 mt/s ethylene plant achieved a successful one-time feedstock startup in October 2025 and completed performance testing in late December. The test results show that the produced polymer-grade...
Hunan Petrochemical Reforming Complex Successfully Started Up at One Attempt
On January 4, the 1 mt/a continuous reforming complex unit project of Hunan Petrochemical Company was completed and put into operation, producing qualified high-octane gasoline components and by-products with a successful commissioning at the first attempt of feed introduction. The project adopts the independently developed ultra-low pressure continuous reforming package technology (SLCR) and homemade reforming catalyst PS-Ⅵ of Sinopec. It uses straight-run naphtha and mixed naphtha from the...
The 1.2 mt/a gasoline adsorption desulfurization unit of Sinopec Beijing Yanshan Petrochemical Co., Ltd. has successfully passed the authoritative verification by the Beijing Sanxingjiuqian Certification Center and obtained a carbon neutrality evaluation certificate. It has become China’s first gasoline adsorption desulfurization unit to achieve carbon neutrality certification, setting a benchmark for the low-carbon transformation of high-energy-consuming equipment in the petrochemical...
Delivery of Polyoxymethylene Zirconium-Titanium-Steel Clad Plate Reactor
The TOX reactor, a core piece of equipment for the Shandong Polyoxymethylene Project contracted by China Tianchen Engineering Corporation, has been successfully delivered! With a diameter of 4,000 mm and a volume of 100 m³, this reactor serves as the core unit of the plant and operates under harsh conditions with highly corrosive materials. Its material has been upgraded to zirconium-titanium-steel clad plate, and a thermal simulated cycle test under simulated operating conditions is required...
China's Steel Pipe Export Volume Hits New High in 2025
China's steel pipe exports have exceeded the 10 million metric ton mark for two consecutive years, reaching 11 million metric tons in 2024. It is projected to set another record in 2025, marking a breakthrough of exports surpassing 10 million metric tons for three consecutive years. In terms of export structure, the main export categories include oil well pipes, pipeline pipes, boiler pipes, and stainless steel pipes. Among these, exports of boiler pipes increased by 20.48% year-on-year,...
The overall progress of the Huajin Aramco project has exceeded 91%
At the fine chemical and raw material engineering site of the Panjin Liaobin Coastal Economic and Technological Development Zone, production facilities of the Huajin Aramco project stand tall across a vast area of 13,500 mu (approximately 900 hectares). The construction has now entered its final sprint phase: 28 out of the 32 main production units have achieved mechanical completion, with the overall project progress exceeding 91%. The project is rapidly advancing toward the goal of achieving...
Wave of Shutdowns in Overseas Ethylene Plants
Recently, energy giant ExxonMobil announced that it will permanently shut down its 830kt/a steam cracker at Mossmorran in Scotland, UK, in February 2026. Following this closure, the UK will be left with only one ethylene cracker. This marks another significant reduction in its European operations after the shutdown of the 425kt/a plant in Gravenchon, France, in 2024. This move is not an isolated incident but rather a reflection of the "wave of shutdowns" in the European petrochemical...
Sinopec Shanghai Petrochemical to Build New 12MT/A Ethylene Plant
This project involves the construction and revamping of a total of 10 refining units, including 7 new units and 3 revamped units. The new refining units cover multiple areas, including a 3mt/a hydrocracking unit (with PSA), a 1.2mt/a solvent deasphalting unit, and a 200,000 standard cubic meters per hour POX hydrogen production unit. Meanwhile, existing units will be revamped, such as the medium-pressure hydrocracking unit, the 1.8mt/a gasoline adsorption desulfurization (S-Zorb) unit, and...
BDO Unit of Qingyang Tongxin 500kt/a Light Hydrocarbon Deep Processing Project
On November 8, the light component tower of the 120kt/a 1,4-butanediol (BDO) unit—the core facility of the Qingyang Tongxin 500kt/a light hydrocarbon deep processing project—was successfully hoisted into place. The project is EPC-contracted by China Wuhuan Engineering Co., Ltd., a subsidiary of China National Chemical Engineering. Utilizing advanced processes such as alkane mixed dehydrogenation, the project achieves a comprehensive resource utilization rate of 98%. It uses low-efficiency...
China's First 400KT/A LAO Unit Core Equipment
Recently, the core equipment of China's first 400kt/a LAO unit—the high-purity C4 and C6 product towers, developed by Dalian Heavy Industry Equipment Group—successfully passed the factory acceptance inspection at the Dalian Jinzhong High-end Petrochemical Equipment Intelligent Manufacturing Base and was shipped to the customer site via sea transport. As a key raw material for producing high-end polyolefins, lubricant base oils, and new energy materials, the manufacturing level of LAO unit core...
Guangxi Petrochemical's 1.2 Mt/a Ethylene Plant Successfully Starts Operation
On October 26, PetroChina Guangxi Petrochemical Company (hereinafter referred to as Guangxi Petrochemical) officially fed materials into its 1.2 mt/a ethylene plant. Qualified products were produced in the early morning of October 27, marking the successful first start-up of the plant. It is reported that the plant is undertaken by Huanqiu Engineering Co., Ltd. as the general contractor and adopts the large-scale ethylene complete set process technology with independent intellectual property...
1. What is a finned tube? A finned tube is a type of heat transfer tube with fins or ribs attached to its outer surface. It is commonly used to improve heat exchange efficiency. Finned tubes are also known as ribbed tubes or finned pipes. By adding fins to the tube surface, the heat transfer area is significantly expanded, thereby enhancing the heat exchange capacity. Fins come in various forms, including open-type, annular, or corrugated. The structure of a finned tube mainly includes: Base...
The tubular heat exchanger, also known as a shell-and-tube heat exchanger or tube-bundle heat exchanger, is a type of interwall heat exchanger that uses the wall surface of a tube bundle enclosed within a shell as the heat transfer surface. It is the most typical interwall heat exchanger. Below is a detailed introduction to its features: Structural Composition: It mainly consists of a shell, tube bundle, tube sheets, and headers. The shell is typically cylindrical and contains a parallel tube...
Bohai Equipment: First Batch of Pure Hydrogen Pipeline Steel Pipes Shipped Domestically
On September 6, five heavy trucks loaded with longitudinally submerged arc welded steel pipes and hot-bent pipes for pure hydrogen transport were dispatched to the construction site of the pure hydrogen pipeline demonstration project in Zhangjiakou City, Hebei Province. This marks the first batch of steel pipe products in China applied to long-distance pure hydrogen pipelines, representing a milestone in the development of hydrogen storage and transportation technology. The research and...
L/LL/KL finned tubes enhance heat transfer efficiency through innovative design and material applications. These finned tubes meet various temperature and corrosion resistance requirements, providing optimal solutions for multiple industries. 1. L Type Finned TubeThe fin strip of the L finned tube is L-shaped and tightly wound around the outer surface of the pipe. The L-shaped design offers enhanced corrosion protection. It is an economical choice for low-temperature applications, supporting...
Heat Exchanger Tube Bundle: Why Not Clean It Directly But Pull It Out?
Many people have such a question: Why can't we clean the heat exchanger tube bundle directly but have to pull it out? Isn't this both troublesome and time-consuming? In fact, there are many factors that have to be considered behind this. Direct cleaning has obvious limitations. The structure of the heat exchanger tube bundle is complex, with internal pipes crisscrossing and being long and thin. During direct cleaning, it is difficult for water flow or cleaning agent to reach every corner...
CNOOC and Shell Petrochemicals Company Phase III Ethylene Project
On August 12, two core oversized equipment units—the quench oil tower and caustic wash tower—manufactured by ZHJ (Suzhou) Heavy Equipment Co., Ltd. for the CNOOC and Shell Petrochemicals Company Phase III Ethylene Project in Huizhou were shipped and delivered. This marks a significant milestone in the progress of the project. The delivered caustic wash tower, with a diameter of 5.5 meters, a total length of 64.1 meters, and a total weight of 573 tons, will undertake the critical task of being...
Fuhai Tangshan Petrochemical Methanol Naphtha Coupled Olefin Production Project
The total investment of the project is 345.6114 billion yuan. The plan involves the construction of a new 1mt/a methanol naphtha coupled cracking unit and 17 downstream chemical units. The 17 new units are as follows: methanol naphtha coupled cracking unit, butadiene unit, MTBE/butene-1 unit (including selective hydrogenation and full hydrogenation sections), cracked gasoline hydrogenation unit, aromatic extraction unit, VCM unit, PVC unit, EVOH unit, EVA/LDPE unit, FDPE unit,...
Yankuang Lunan Chemical New Energy Material Integrated Project
The Yankuang Lunan Chemical New Energy Material Integrated Project commenced construction in February 2025, with a planned construction period of 2.5 years. It is scheduled to begin production in mid-2027, with a total investment of 10.3 billion yuan. The project includes: 600kt/a olefin production 300kt/a vinyl acetate production Supporting air separation and sulfur recovery facilities. This project serves as a significant demonstration of integrating coal chemical industry with new energy in...
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