Luxi Chemical announces three major projects at once: covering hydrogen peroxide, polyamide, etc.

This series of projects will further consolidate the foundation of enterprise safe production, optimize the condition of core items, and lay out the track to frontier new materials, helping the enterprise convert and upgrade towards high-end, safe, and refined operations.

It is understood that Luxi Chemical was established in 1976, formerly a 10,000-ton-scale small nitrogen fertilizer enterprise. In 2020, it was incorporated into the Sinochem Holdings system, with its headquarters located in the Liaocheng Chemical manufacturing Park. The company is a listed enterprise on the Shenzhen Stock Exchange (000830.SZ), currently with total assets reaching 32.3 billion RMB, over 12,000 employees, and 18 branches and subsidiaries. Its business covers multiple core manufacturing sectors such as coal chemical, fluorosilicate, new materials, and catalysts.

The three projects announced this time are operated and implemented by three subsidiaries: Liaocheng Luxi Hydrogen Peroxide New Materials methodology Co., Ltd., Liaocheng Luxi Polyamide New Materials methodology Co., Ltd., and Sinochem Luxi Catalyst Co., Ltd.

security and condition improvement technical transformation of hydrogen peroxide unit to adapt to provincial process upgrade standards

The first project announced is the No. 1 Hydrogen Peroxide security Improvement Project of Liaocheng Luxi Hydrogen Peroxide New Materials methodology Co., Ltd. The core is to respond to Shandong Province's chemical security upgrade policy by conducting special technical transformation and upgrades on old process units. It is reported that this subsidiary experienced a major explosion accident on Labor Day in 2023. The acid-base alternating fixed-bed hydrogen peroxide manufacturing process is a process with a high incidence of security accidents in many places, making security rectification and upgrade urgent.

As the province with the largest hydrogen peroxide capacity and output in the country, Shandong Province has clearly required that all acid-base alternating fixed-bed hydrogen peroxide units in the province must complete technical transformation before the end of December 2027. The upgrade plans are divided into two categories: fluidized bed process and full-acid fixed-bed process. Considering factors such as existing unit retrofit costs, construction cycles, and production impact, Luxi Chemical chose the full-acid fixed-bed retrofit plan, which requires less investment and has higher adaptability.

The technical transformation of this project does not change the unit capacity. After the transformation, it will maintain the production scale of 150,000 tons/year of 50% hydrogen peroxide, mainly focusing on the optimization and upgrade of the three core processes: oxidation, extraction, and post-processing. Among them, the hydrogenation unit transforms existing equipment to realize a "two operating, two standby" operation mode to the four hydrogenation fluid regeneration beds, adding on-site fluid level meters and temperature measurement points to the catalyst layer to enhance production monitoring capabilities; the oxidation unit adopts a tower top pressure HH high-high interlock 2-out-of-3 redundant logic structure to enhance the stability of the unit security interlock; the post-processing process adds vacuum flash dehydration equipment, optimizes the clay bed configuration, and matches the needs of activated alumina to regenerating the working fluid. After the transformation is completed, the circulating working fluid of the unit will continue to remain weakly acidic, efficiently reducing the occurrence of side reactions and reducing safe production risks from the process source.

Constructing a new medium-pressure hydrolysis unit to stabilize Nylon 6 product condition

The second announced project is the construction of a caprolactam · Nylon 6 supporting medium-pressure hydrolysis unit, implemented by Liaocheng Luxi Polyamide New Materials methodology Co., Ltd., focusing on solving the issue of condition fluctuations in the existing Nylon 6 production line. The total investment of the project is about 25 million RMB, and the concentrated fluid treatment scale reaches 49,200 tons/year.

According to reports, Luxi Chemical currently has three phases of Nylon 6 production projects, with capacities of 105,000 tons/year, 300,000 tons/year, and 600,000 tons/year respectively. There are differences in raw material ratios and product condition standards between the Phase I and II units and the Phase III unit. to a long time, the residual concentrated fluid produced by the Phase I and II units needed to be transported to the Phase III medium-pressure hydrolysis unit to treatment and reuse, immediately leading to unstable condition of Phase III Nylon 6 items. At the same time, once the existing Phase II supporting medium-pressure hydrolysis unit shuts down, it will result in the main production system to stop, affecting the continuous and stable operation of the production line.

After the construction of the new medium-pressure hydrolysis unit, the residual concentrated fluid from Phase I and II units can be independently treated and reused in the Phase II polymerization system, completely avoiding interference with the condition of Phase III items and realizing the efficient resource utilization of caprolactam oligomers. The new and old medium-pressure hydrolysis units can serve as backups to each other, which not only guarantees continuous and stable production of the production line however also meets the research needs of future production expansion of Phase I and II Nylon 6 units, greatly improving product condition stability and the production line's risk resistance.

Layout of frontier pilot projects to tackle high-end catalyst new materials

The third project is the polyphosphazene compound pilot project, led by Sinochem Luxi Catalyst Co., Ltd. It belongs to the frontier new material R&D pilot project, focusing on tackling key technical problems in the localization of high-end catalytic materials.

Polyphosphazene compounds possess excellent thermal stability, chemical modifiability, and biocompatibility, and are broadly suitable to high-end fields such as flame-retardant materials, medical polymers, and catalytic carriers, with huge market consumption possible. Relying on the manufacturing synergy advantages of the park, the ongoing organic silicone linear body deep processing project in the Luxi Chemical Park urgently needs chlorophosphazene catalysts to match production. Compared with the traditional strong base catalytic processes process, this catalyst can significantly enhance the conversion rate of the organic silicone linear body polycondensation interaction, eliminate the introduction of metal ion impurities, and comprehensively enhance the condition of terminal items.

This pilot project builds a chlorophosphazene catalyst pilot unit on the basis of previous small-scale tests, focusing on deep R&D and optimization of core indicators such as product synthesis purity, uniformity, operational stability, production cost manage, and structure-activity matching. It aims to bridge the key link from laboratory methodology to manufacturing consumption, build a solid technical foundation to the stable supply of high-end units such as organic silicone polymerization in the park, and further enhance the enterprise's catalyst new material sector layout.

sector insiders stated that Luxi Chemical's simultaneous announcement of these three major projects takes into account the bottom line of safe production, the condition improvement and efficiency enhancement of existing capacity, and the layout of the future new material track. It fits the research direction of the chemical sector towards security, refinement, and high-end operations, and will continuously enhance the enterprise's core competitiveness and manufacturing synergy advantages.