Core Viewpoint - The research team led by Academician Li Can from the Dalian Institute of Chemical Physics has developed a proprietary technology for the complete decomposition of hydrogen sulfide into hydrogen and sulfur, transforming a hazardous waste into valuable resources, achieving international leading standards in this field [1][4]. Group 1: Technology Overview - Hydrogen sulfide (H2S) is a toxic compound commonly produced in natural gas extraction, refining, and coal chemical processes, posing significant environmental and health risks [2]. - The traditional Claus process converts hydrogen sulfide into sulfur and water, which is seen as inefficient since it wastes the hydrogen component [2]. - The newly developed electrocatalytic technology allows for the separate recovery of both sulfur and hydrogen, effectively addressing the limitations of the Claus process [3]. Group 2: Implementation and Results - A pilot demonstration unit capable of processing 100,000 cubic meters of hydrogen sulfide annually has been established, achieving over 1,000 hours of stable operation with over 99.95% purity for sulfur and over 99.999% purity for hydrogen [4]. - This technology operates under mild conditions (room temperature and atmospheric pressure) without emitting carbon dioxide, making it suitable for various industries such as coal chemical, petrochemical, and oil and gas extraction [4]. Group 3: Economic and Environmental Impact - The International Hydrogen Association predicts that by 2030, China's green hydrogen production capacity will reach approximately 1.8 million tons, with the new technology potentially recovering about 730,000 tons of green hydrogen from the annual processing of 8 billion cubic meters of hydrogen sulfide, contributing significantly to carbon neutrality goals [5]. - The electrocatalytic technology's operational costs for hydrogen production are expected to be half that of current water electrolysis methods, with further cost reductions anticipated as the technology matures, benefiting the hydrogen energy industry and low-carbon energy systems [5].

Core Viewpoint - The innovative technology developed by the team led by Academician Li Can from the Dalian Institute of Chemical Physics can convert toxic hydrogen sulfide into clean energy and high-value chemical products, marking a significant advancement in addressing environmental pollution from industries such as natural gas and petrochemicals [1][2]. Group 1: Technology Development - The team has developed a proprietary technology for the complete electro-catalytic decomposition of hydrogen sulfide into hydrogen and sulfur, overcoming challenges related to scaling up the engineering process [2]. - This technology utilizes a unique electronic mediation method to conduct chemical reactions in a separate reactor, avoiding issues such as solid sulfur clogging and contamination of electrodes [2]. - The technology has led to the establishment of a pilot demonstration facility in Xinxiang, capable of processing 100,000 cubic meters of hydrogen sulfide annually, producing sulfur with a purity exceeding 99.95% and high-purity hydrogen gas over 99.999% [1][2]. Group 2: Environmental Impact and Applications - Utilizing renewable energy sources to power this technology can significantly reduce pollution while recovering substantial amounts of "green hydrogen," contributing to China's clean and low-carbon energy system and industrial green transformation [3]. - The technology offers a new pathway for the complete elimination and resource utilization of hydrogen sulfide, effectively protecting the ecological environment and providing dual resource recovery benefits through hydrogen and sulfur production [3]. - There is strong potential for this technology to be applied in coal chemical, petrochemical, and oil and gas extraction industries, enhancing the production of clean low-carbon hydrogen [3].

Core Viewpoint - The innovative technology developed by the team led by Academician Li Can enables the direct conversion of toxic hydrogen sulfide into clean energy and high-value chemical products, marking a significant advancement in addressing environmental pollution from industries such as natural gas and petrochemicals [1][2]. Group 1: Technology Development - The technology for the complete electrochemical decomposition of hydrogen sulfide into hydrogen and sulfur has been developed with independent intellectual property rights in China [2]. - The design of the technology allows the chemical reactions to occur in a separate reactor, avoiding issues such as solid sulfur clogging and contamination of electrodes, thus enabling stable and efficient large-scale operations [2]. - The research team has applied for 26 patents related to this technology, with 12 already granted, forming a comprehensive patent portfolio [2]. Group 2: Industrial Application - A pilot demonstration facility capable of processing 100,000 cubic meters of hydrogen sulfide annually has been successfully established in Xinxiang, Henan, which has operated stably for over 1,000 hours [1]. - The facility has achieved complete conversion of hydrogen sulfide, producing sulfur with a purity greater than 99.95% and high-purity hydrogen gas exceeding 99.999% [1]. - The technology is expected to have promising applications in coal chemical, petrochemical, and oil and gas extraction industries, contributing to the green transformation of these sectors [3]. Group 3: Environmental Impact - Utilizing renewable energy sources to drive this technology can significantly reduce pollution while recovering substantial amounts of "green hydrogen," which is crucial for building a clean and low-carbon energy system in China [3]. - The technology provides a new pathway for the complete elimination and resource utilization of hydrogen sulfide, effectively protecting the ecological environment and achieving dual resource recovery of hydrogen and sulfur [3].

Core Viewpoint - The innovative technology developed by the team led by Academician Li Can from the Dalian Institute of Chemical Physics can convert toxic hydrogen sulfide into clean energy and high-value chemical products, marking a significant advancement in addressing environmental pollution from industries such as natural gas and petrochemicals [1][2]. Group 1: Technology Development - The technology for the complete electro-catalytic decomposition of hydrogen sulfide into hydrogen and sulfur has been recognized as internationally leading and is recommended for scale-up and application [1]. - The research team has successfully built a pilot demonstration facility in Xinxiang, capable of processing 100,000 cubic meters of hydrogen sulfide annually, achieving over 1,000 hours of stable operation [1][2]. - The technology has led to the production of sulfur with a purity greater than 99.95% and high-purity hydrogen gas exceeding 99.999% [1]. Group 2: Environmental Impact - Hydrogen sulfide, a common byproduct in natural gas extraction, oil refining, and coal chemical processes, poses significant health risks and environmental pollution, including acid rain formation [1]. - Utilizing renewable energy sources to drive this technology can effectively eliminate pollution while recovering substantial amounts of "green hydrogen," contributing to a clean and low-carbon energy system in China [3]. Group 3: Industrial Application - The technology provides a new pathway for the complete elimination and resource utilization of hydrogen sulfide, offering dual resource recovery of hydrogen and sulfur, which can enhance the production of clean low-carbon hydrogen in various industrial sectors [3]. - Future applications of this technology are expected to be promising in coal chemical, petrochemical, and oil and gas extraction industries [3].

Core Viewpoint - The company, Sanwei Chemical, has successfully completed the pilot test of a new hydrogen and sulfur production technology, which has been recognized as internationally leading by experts, indicating potential for industrial application and scale-up [1]. Group 1: Company Performance - As of January 8, 2026, Sanwei Chemical's stock closed at 8.66 yuan, with a slight increase of 0.46% and a turnover rate of 1.41%, amounting to a trading volume of 88,700 shares and a transaction value of 76.76 million yuan [1]. - The total number of shareholders for Sanwei Chemical as of December 31, 2025, is reported to be 33,524 [1]. Group 2: Technological Development - The technology for "off-site electrocatalytic full decomposition of hydrogen sulfide to produce hydrogen and sulfur" developed in collaboration with the Dalian Institute of Chemical Physics has passed evaluation by the China Petroleum and Chemical Industry Federation, with recommendations for scaling up and promoting its application [1]. - The company aims to deepen its collaboration with the Dalian Institute to advance the technology's industrial application, focusing on technological innovation and green low-carbon development [1]. Group 3: Market Activity - On January 8, 2026, the net inflow of main funds into Sanwei Chemical was 2.56 million yuan, indicating a short-term buying interest from major investors [1]. - Retail investors contributed a net inflow of 1.92 million yuan, while speculative funds experienced a net outflow of 4.48 million yuan on the same day [1].

Core Viewpoint - The company, Sanwei Chemical, has successfully developed a hydrogen and sulfur production technology in collaboration with the Dalian Institute of Chemical Physics, which has been recognized as internationally leading by experts from the China Petroleum and Chemical Industry Federation [1] Group 1: Technology Development - On January 6, 2026, the joint research project with the Dalian Institute of Chemical Physics achieved a significant milestone by passing a technology achievement evaluation [1] - The evaluation committee unanimously agreed that the technology reached an international leading level and recommended scaling up the device and accelerating its application [1] Group 2: Future Plans - The company plans to deepen its collaboration with the Dalian Institute of Chemical Physics to promote the technology's scaling and industrial application [1] - The focus will remain on technological innovation as a core driving force, supported by engineering capabilities, while adhering to green and low-carbon development principles [1] - The company aims to contribute to the "dual carbon" goals through its advancements in technology [1]

Core Viewpoint - The development of a new technology for the efficient and clean treatment of hydrogen sulfide (H2S) has been achieved by a team led by Academician Li Can from the Dalian Institute of Chemical Physics, which is recognized as a leading international solution in the energy and chemical industry [1][2]. Group 1: Technology Development - The "off-site electro-catalytic complete decomposition of hydrogen sulfide to produce hydrogen and sulfur technology" has been successfully developed, addressing the challenge of scaling up the decomposition of H2S [2][3]. - This technology decouples chemical reactions and charge transfer, allowing for the oxidation of H2S to sulfur and proton reduction to hydrogen to occur separately in a reactor, enhancing safety and reliability [2][3]. Group 2: Industrial Application - The team has initiated the first industrial demonstration project in the coal chemical sector, utilizing H2S as a byproduct from a methanol production facility [3]. - The demonstration plant has a capacity of 100,000 cubic meters per year and has achieved complete conversion of H2S, with sulfur purity exceeding 99.95% and hydrogen purity exceeding 99.999% [3]. Group 3: Environmental and Economic Impact - The technology offers a new pathway for the complete elimination and resource utilization of H2S, contributing to ecological protection and dual resource recovery of hydrogen and sulfur [4]. - If implemented using renewable energy sources, the technology could recover approximately 730,000 tons of clean low-carbon hydrogen annually from the 8 billion cubic meters of H2S processed in China, representing 40% of the planned green hydrogen production capacity by 2030 [4].

Core Viewpoint - The research team led by Academician Li Can from the Dalian Institute of Chemical Physics has successfully developed a technology for the complete decomposition of hydrogen sulfide (H2S) into hydrogen and sulfur, addressing a significant environmental challenge posed by H2S emissions in the energy sector [1][2]. Group 1: Technology Development - The newly developed technology utilizes a novel electro-catalytic method to decompose hydrogen sulfide, which has been a long-standing challenge in industries such as natural gas extraction and petrochemicals [2]. - The technology has achieved a decoupling of chemical reactions and charge transfer in the reaction space, allowing for the oxidation of H2S to sulfur and the reduction of protons to hydrogen to occur separately outside the electrode [2]. - This innovation has led to the filing of 26 patents, with 12 already granted, ensuring complete independent intellectual property rights for the technology [2]. Group 2: Environmental Impact - The global annual processing volume of hydrogen sulfide exceeds 70 billion cubic meters, with China alone handling approximately 8 billion cubic meters each year, highlighting the scale of the environmental challenge [2]. - The new technology provides a pathway for the complete elimination and resource utilization of hydrogen sulfide, contributing to cleaner and low-carbon hydrogen production in industrial sectors [2]. - The advancement is significant for industries aiming to achieve carbon neutrality goals, aligning with broader environmental sustainability efforts [2].

Core Viewpoint - Chinese scientists have developed a technology for the complete elimination and resource utilization of hydrogen sulfide, transforming a toxic gas into valuable resources such as hydrogen and sulfur [1][2] Group 1: Technology Development - The technology, known as "off-site electrocatalytic full decomposition of hydrogen sulfide for hydrogen and sulfur production," has been recognized as internationally leading by experts [1] - The research team has applied for 26 patents, with 12 already authorized, forming a comprehensive patent portfolio [2] Group 2: Industrial Application - An industrial demonstration project has been initiated in the coal chemical industry, utilizing hydrogen sulfide as a byproduct from a methanol production facility [2] - The first pilot demonstration unit with a capacity of 100,000 cubic meters per year has been established, consisting of three main components: hydrogen sulfide oxidation to produce sulfur, proton reduction to generate hydrogen, and an electrochemical cell [2] Group 3: Performance Metrics - The pilot unit has operated continuously for over 1,000 hours, achieving complete conversion of hydrogen sulfide [2] - The purity of the produced sulfur exceeds 99.95%, and the hydrogen purity is over 99.999% [2] Group 4: Environmental Impact - The global energy system, primarily based on fossil fuels, faces environmental challenges due to hydrogen sulfide emissions, with China processing approximately 8 billion cubic meters annually and over 70 billion cubic meters globally [1]

Core Viewpoint - The "Off-site Electrocatalytic Complete Decomposition of Hydrogen Sulfide to Hydrogen and Sulfur Technology" developed by the team led by Academician Li Can has successfully transitioned from laboratory to industrial application, addressing environmental challenges posed by hydrogen sulfide emissions while providing a dual resource recovery of hydrogen and sulfur [4][5][7]. Group 1: Technology Overview - The technology offers a new pathway for the complete elimination and resource utilization of hydrogen sulfide, significantly reducing pollution and protecting the ecological environment while achieving dual resource recovery [4][7]. - The industrial demonstration project utilizes hydrogen sulfide as a raw material from a methanol plant, employing a modular design that includes three main units for sulfur production, proton reduction for hydrogen, and an electrochemical cell [5][8]. - The demonstration unit has operated continuously for over 1,000 hours, achieving complete conversion of hydrogen sulfide with sulfur purity greater than 99.95% and hydrogen purity exceeding 99.999% [5][8]. Group 2: Environmental and Economic Impact - The technology is expected to provide a key green transformation solution for industries such as natural gas, petrochemicals, and coal chemical sectors, supporting the development of low-carbon industrial practices [7][9]. - The team has applied for 26 patents related to this technology, with 12 already granted, indicating a strong intellectual property foundation [8]. - If implemented widely, the technology could recover approximately 730,000 tons of clean low-carbon hydrogen from the annual treatment of 8 billion cubic meters of hydrogen sulfide in China, contributing significantly to the country's green hydrogen production goals [10].