DKT Energy Technology

DKT Energy Technology

National High-Tech Enterprise; Sichuan Provincial Enterprise Technology Center; Class B Qualification For Chemical Engineering Design; Class A Qualification For Environmental Pollution Prevention And Control; Pressure Pipeline GC1 Design Qualification

Product Introduction

Technical Introduction

Product Introduction

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Deoxygenation and Methane Enrichment of Coalbed Methane

Our company employs pressure swing adsorption to deoxygenate oxygen-containing coalbed methane and to concentrate its methane content, thereby effectively addressing the safety concerns associated with oxygen presence during methane recovery. The methane recovery rate is no less than 95%, and the process demonstrates significant economic benefits when the feed gas contains more than 5% methane.

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Other High and New Technologies

Our company has achieved the following: 1. We have developed and independently patented a specialized adsorbent for the recovery and concentration of propylene from propylene-containing tail gas, with product purity and recovery rates both exceeding 98%. The unit operates stably, boasts a long service life, and delivers high economic benefits. 2. Our research and development of biological desulfurization technology features high gasoline and diesel yields (with virtually no loss) and no adverse impact on octane rating; it operates under mild conditions—ambient temperature and pressure—and offers high desulfurization efficiency with large processing capacity. Moreover, the technology requires low capital investment, low operating costs, and low consumable usage, while the entire desulfurization process is pollution-free, among other notable advantages.

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Hunan Liansteel Desulfurization Project

Hunan Valin Liansteel Thin Plate Co., Ltd. (hereinafter referred to as Liansteel) is located in central Hunan Province, at the intersection of the Xiangqian Railway, the Luozhan Railway, the Shangrui Expressway, and the Tai’ao Expressway. Since its establishment in 1958, Liansteel has undergone nearly half a century of trials and tribulations, steadily growing and strengthening. Since the Tenth Five-Year Plan period, Liansteel has invested over RMB 10 billion in large-scale technological upgrading, completing the hot-rolled thin plate project—designated as a key national project funded by the fourth tranche of treasury bonds—along with its supporting facilities. For many consecutive years, Liansteel has been ranked among the Top 500 largest industrial enterprises in China, is one of the 300 industrial enterprises receiving priority state support for development, and serves as a demonstration unit for the application of CIMS under the national “863” High-Tech Research and Development Program. Over recent years, with the goals of building a “Clean Liansteel,” improving environmental quality, and achieving efficient energy utilization, Liansteel has maintained the effective operation of its ISO 14001 environmental management system, rigorously enforced the “three simultaneous” policy for new, expanded, and renovated projects in conjunction with environmental protection measures, focused on controlling smoke and dust emissions from the ironmaking front-end systems and on the comprehensive utilization of sludge, waste slag, and wastewater, accelerated the phase-out of outdated facilities, and promoted the renewal and upgrading of energy-saving technologies and equipment. In April 2010, Sichuan Dakete Energy Technology Co., Ltd. signed a contract with Hunan Valin Lianyuan Iron & Steel Co., Ltd. for desulfurization technology related to the renovation and expansion of No. 3 coke oven and associated chemical recovery systems. On May 6, the Liansteel Desulfurization Project Team, led by Project Manager Wang Anhua, officially commenced work at the Liansteel desulfurization site. Upon arrival at the site, the Desulfurization Project Team coordinated closely with the construction department of the No. 3 Coke Oven and Chemical Recovery Systems Renovation and Expansion Project. To ensure timely project completion, the team developed a detailed construction network schedule, organized construction plans, and conducted design, construction, and safety briefings. After more than four months of intensive construction, the main equipment has now been installed and is ready for commissioning. Work is currently underway on the installation of internal tower components and packing materials, with full completion expected by mid-November.

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Deep drying of chlorine/chlorine hydrogen and recovery of trichlorosilane tail gas

Our company employs temperature swing adsorption, using a dedicated adsorbent to dry chlorine and hydrogen chloride gases, achieving moisture levels of less than 2 ppm for both. Furthermore, we can recover nearly 100% of chlorosilanes generated during the production of trichlorosilane or polysilicon, while ensuring that the recovered hydrogen and chlorosilanes are free of any harmful impurities, thereby fully meeting the stringent requirements of polysilicon production.

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Catalytic dry gas recovery of ethylene and ethylene feedstock

Our company independently researches, develops, and manufactures ethylene-specific adsorbents, employing a low-energy, high-efficiency pressure swing adsorption process to recover ethylene from refinery dry gas and C2 and C3 components from catalytic dry gas (collectively referred to as ethylene feedstock), achieving purities and recovery rates of over 90% for both.

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China’s New-Energy Strategy Under European and American Calculations: The U.S. Aims to Monopolize the Discourse on Green Development

On September 9, the United Steelworkers union formally submitted a 5,800-page complaint to the Office of the United States Trade Representative, alleging that China’s unlawful trade practices threaten the U.S. clean-energy industry. The complaint charges that both the central and provincial governments have subsidized domestic firms through land grants, low-interest loans, and a variety of other measures. According to the complaint, in order to dominate the global clean-energy sector, the Chinese government has provided massive subsidies to help Chinese companies expand their market share in wind-turbine manufacturing, solar-panel production, nuclear-power plant construction, and other clean-energy equipment, while simultaneously discriminating against foreign firms and products and restricting foreign companies’ access to critical raw materials. As a result, Chinese clean-energy firms have emerged as global leaders, whereas U.S. and European competitors have been driven into financial distress and have resorted to widespread layoffs. Gilard, president of the United Steelworkers, stated: “Green jobs are vital to America’s future. China is leaving no stone unturned in its quest to control this industry, and U.S. manufacturers simply cannot afford to keep making concessions.”

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Sichuan DKT Energy Technology Co., Ltd.( A subsidiary of Hydrexia (China))

Sichuan DKT Energy Technology Co., Ltd.

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( A subsidiary of Hydrexia (China))

(A subsidiary of Hydrexia (China))

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