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Jiangsu Shenjiang Environmental Technology Co., Ltd.
Home / Product / Industrial waste gas treatment / Waste gas acid production system

Waste gas acid production system

At present, the sulfur-containing waste gas (mainly containing H₂S, CS₂, etc.) generated in the production of chemical fiber or similar industrial and mining enterprises is collected (including acid bath degassing, degassing conversion, etc.), burned, purified, dry-absorbed, and converted into sulfuric acid for reuse in production, reducing the emission of odorous gases and achieving recycling.
This device operates stably and reliably, adopts an internationally common flame control system to control the combustion of waste gas fully, can achieve conditional automatic ignition, full combustion monitoring, and flameout protection functions, to ensure the complete and sufficient combustion of waste gas, and at the same time the entire process system adopts DCS system control and monitoring to ensure safe, continuous and stable operation.

1. Waste gas acid production process:

Purification section: adopting power wave foam scrubbing flue gas purification technology to cool, scrub, and remove impurities from the flue gas.

Dry absorption section: adopting one-stage drying, two-stage absorption, circulating acid pump cooling process.

Conversion section: adopts ’3+1’ type four-stage double-contact conversion process.

Acid storage section: storage and management of sulphuric acid.

Waste acid treatment section: adopts sulphuric acid treatment process.

2. Advantages: advanced technology, mature experience, high treatment efficiency.

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About SHENJIANG
Jiangsu Shenjiang Environmental Technology Co., Ltd.
Jiangsu Shenjiang Environmental Technology Co., Ltd.

Established in 1996, Jiangsu Shenjiang Environmental Technology Co., Ltd. is a professional China Waste gas acid production system Manufacturers and Waste gas acid production system Factory.And is nestled in the picturesque city of Yancheng, Jiangsu Province, known for its moniker "Land of Water and Fish-Rice." The company specializes in designing, developing, manufacturing, and installing complete sets of waste gas treatment equipment and resin-based composite material products. Adhering to the principle of "market orientation and technological innovation," we have been steadfast in scientific and technological innovation, ensuring the company's sustained and stable growth. Our team comprises 218 dedicated employees, including 35 professional technicians, and we are equipped with over 100 advanced testing and production machines. Our R&D center spans 3,000 square meters, while our factory buildings, office buildings, and business buildings cover an area of 35,000 square meters. With a registered capital of 101.6 million yuan and total assets amounting to 154 million yuan, we have evolved over two decades through continuous self-innovation, utilizing new materials, technologies, and processes, resulting in a cluster of industries with multiple patents. Shenjiang embraces a diversified and multifaceted approach to industry-academia integration. We adopt an applied training model that combines theoretical research with practical exploration, establishing long-term cooperative relationships with esteemed institutions like Southeast University, University of Shanghai for Science and Technology, Xi'an Jiaotong University, "China Environmental Protection Equipment Industry Base Technology Research Center," and "Jiangsu Pollution Control and Resource Utilization Engineering Technology Research Center." In addition, we actively promote international scientific and technological cooperation, forging partnerships with countries such as Indonesia, Thailand, Austria, and Singapore. Guided by the business philosophy of "technology, credibility, service, and development," we have developed a range of innovative products including waste gas treatment and recovery systems, desulfurization and denitrification systems, central air conditioning unit systems and fittings, windpipes, resin-based composite pipes, water supply and drainage sandwich pipes, resin-based composite material non-standard equipment and storage tanks, cooling towers, chemical fiber non-standard equipment, cleaning furnace equipment, and painting complete sets of equipment. These new processes are characterized by advanced technology, strong adaptability, simple operation, and low costs. We have filed 40 proprietary technology certifications, with 30 utility granted, 4 inventions, and 7 PCT certificates. Our independently developed waste gas recovery and treatment devices have been listed in the "Jiangsu Province Key Promoted New Technology and New Product Catalog." With a global presence, we have established supply, installation, and sales offices in various locations, including Indonesia, Singapore, Austria, Xinjiang, Fujian, Nanjing, Shandong, and Sichuan. Moreover, we boast professional construction teams specializing in environmental protection, mechanical and electrical, and anti-corrosion and insulation equipment installation. As our enterprise grows, Shenjiang is committed to enhancing its brand influence, rallying together to face challenges, and seeking mutual development for a shared future. We adhere to a people-oriented approach and a development philosophy that emphasizes scientific innovation. With a united front and the determination to overcome difficulties, we maintain our entrepreneurial spirit and unwavering commitment to our founding principles. We strive to create intellectual property for our enterprise, gradually shift focus to our core business, and pursue diversified development. We are constantly upgrading and transforming, targeting the development trends of both domestic and international markets, and aiming to establish new projects and achieve new outcomes. We are dedicated to making a greater contribution to the cause of environmental protection.

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Industry knowledge extension
The chemical manufacturing industry is one of the largest contributors to industrial waste gas emissions. Many chemical processes, particularly those involving combustion, result in the release of sulfur dioxide (SO₂), nitrogen oxides (NOₓ), and other pollutants. These pollutants can significantly degrade air quality and contribute to acid rain formation, smog, and other environmental issues. In this context, waste gas acid production systems are indispensable for controlling and treating the emissions generated during chemical production. Jiangsu Shenjiang Environmental Technology Co., Ltd. provides advanced waste gas treatment solutions that effectively neutralize sulfuric acid and nitrogen oxides, preventing them from being released into the atmosphere. The company’s desulfurization and denitrification systems, for example, help chemical manufacturers reduce the sulfur content in their emissions, ensuring compliance with national and international air quality standards. The company’s experience in developing tailored solutions for the chemical sector ensures that each system is capable of handling the specific waste gases produced by different chemical processes. Whether dealing with large-scale industrial plants or specialized facilities, Jiangsu Shenjiang Environmental Technology Co., Ltd. works closely with clients to design and implement waste gas acid production systems that address their unique environmental challenges.

Power generation plants, particularly those that rely on fossil fuels such as coal, oil, or natural gas, are major contributors to air pollution. The combustion of these fuels results in the emission of harmful gases such as sulfur dioxide, nitrogen oxides, carbon dioxide, and particulate matter. Among these pollutants, sulfur dioxide is one of the most critical, as it can lead to the formation of sulfuric acid, contributing to acid rain and environmental damage. In power plants, waste gas acid production systems are vital for controlling sulfur dioxide emissions. These systems use various processes, such as flue gas desulfurization (FGD), to capture and remove sulfur dioxide from the exhaust gases before they are released into the atmosphere. Jiangsu Shenjiang Environmental Technology Co., Ltd. offers high-performance waste gas acid production systems designed specifically for the power generation sector. Their systems are equipped with advanced scrubbing technologies that effectively reduce sulfur dioxide levels, significantly lowering the environmental impact of power plants. In addition to desulfurization, these systems also play a crucial role in reducing nitrogen oxide emissions through denitrification processes. The company’s waste gas acid production systems ensure that power generation facilities can meet stringent environmental standards while maintaining efficient operation and minimizing the risk of pollution-related penalties.

The metallurgical and steel industries are another major source of waste gas emissions. The processes involved in smelting, refining, and shaping metals release a variety of pollutants, including sulfur dioxide, carbon monoxide, volatile organic compounds, and particulate matter. These emissions can have a severe impact on air quality, particularly in regions with high industrial activity. In these industries, waste gas acid production systems are crucial for neutralizing sulfur dioxide and other harmful gases produced during the smelting and refining processes. Jiangsu Shenjiang Environmental Technology Co., Ltd. has developed waste gas treatment systems that are capable of handling the high volumes of waste gas produced by metallurgical operations. Their desulfurization systems remove sulfur dioxide from flue gases, preventing it from causing air pollution and acid rain. The company’s systems are designed to meet the unique needs of the metallurgical industry, where high temperatures and corrosive gases are common. Shenjiang’s waste gas acid production systems are built to withstand harsh operating conditions, ensuring reliable and long-lasting performance. Their expertise in this sector allows them to design systems that integrate seamlessly into existing metallurgical processes, improving environmental outcomes without disrupting production.

The oil and gas industry, particularly during the refining process, generates significant quantities of waste gases that contain sulfur compounds, volatile organic compounds (VOCs), and other hazardous pollutants. These waste gases can contribute to air pollution, pose health risks to workers, and damage the environment if not properly treated. Waste gas acid production systems in the oil and gas industry are primarily used to treat sulfur dioxide emissions from refineries and natural gas processing plants. Jiangsu Shenjiang Environmental Technology Co., Ltd. has developed specialized systems that effectively remove sulfur compounds from flue gases, ensuring that sulfur dioxide is neutralized before being released into the environment. This is achieved through advanced desulfurization technologies, such as wet scrubbing and dry sorbent injection, which are capable of handling the challenging nature of refinery emissions. In addition to desulfurization, the company’s waste gas acid production systems also play a role in reducing nitrogen oxide emissions, which are a common byproduct of combustion processes in oil and gas operations. By using denitrification techniques, Shenjiang’s systems help reduce the impact of these emissions, contributing to a cleaner and safer environment for surrounding communities.

The waste incineration industry, particularly the treatment of hazardous waste, is another area where waste gas acid production systems are essential. Incineration processes generate a variety of pollutants, including sulfur dioxide, chlorine, and heavy metals, which can pose significant environmental risks. Without proper treatment, these emissions can contaminate the air, soil, and water, leading to long-term environmental damage. Jiangsu Shenjiang Environmental Technology Co., Ltd. provides waste gas treatment solutions for waste incineration plants, focusing on neutralizing harmful gases produced during the burning of hazardous materials. Their waste gas acid production systems are capable of treating sulfur dioxide and other acidic gases, ensuring that the incineration process complies with stringent environmental regulations. The company’s systems are designed to handle the complex and often highly variable emissions generated by hazardous waste incineration. Through advanced filtration and neutralization processes, Shenjiang’s waste gas acid production systems ensure that harmful byproducts are safely removed from the exhaust gases, protecting both the environment and public health.