Comprehensive Formaldehyde Management Solutions | Sanli Tech

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Changzhou Sanli Tech: Your Chemical Solutions Partner

Changzhou Sanli Tech: Your Chemical Solutions Partner

We are Changzhou Sanli Tech International Trade Co., Ltd., a trusted provider of comprehensive chemical solutions. Specializing in tower and internals supply, we offer diverse products like liquid distributors and gas spargers in materials such as alloys, ceramics, and stainless steel. Our services include chemical technology support for process optimization and environmental compliance, along with a wide range of industrial equipment like pumps and skid systems. We excel in chemical production technologies, paint industry chemicals, energy-saving plant design, and intelligent engineering solutions. Our expertise spans formaldehyde, methanol, plastic, ethylene, and polymer production, delivering safe, efficient, and innovative solutions for various industrial needs.
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Why choose us?

Diverse Tower and Internals Supply

We provide a wide range of towers and internals in materials like special alloys, ceramics, graphite, plastic, and stainless steel. Liquid distributors (orifice, trough, ladder, spray nozzle types) and gas distributor spargers are designed for uniform distribution, considering scaling/foaming factors. Packing supports, bed limiters, and mist eliminators (mesh/chevron types) are offered to enhance purity and prevent equipment damage.

Comprehensive Chemical Technology Support

With an expert team, we offer full-cycle technical support and consulting for R&D, production, process optimization, supply chain management, and environmental compliance. Services include process optimization to boost efficiency, sustainability solutions for regulatory compliance, safety risk management, IP protection strategies, and supply chain integration to reduce costs.

Innovative Energy-Saving & Intelligent Solutions

We design energy-efficient chemical plants, optimizing processes with high-efficiency heat exchangers and energy-saving pumps/fans. Intelligent solutions integrate big data, AI, and IoT for real-time process control, equipment fault prediction, and remote monitoring, enabling clients to achieve dual economic and environmental benefits.

Related products

The company is a leading provider of formaldehyde production technology and solutions, offering end-to-end support from plant design to operational excellence. Formaldehyde is produced via the silver catalyst process (oxidation of methanol at 600 - 650°C, yield > 92%) or iron-molybdenum process (lower temperature, 250 - 350°C, suitable for high-capacity plants). Plant designs incorporate energy recovery systems, with waste heat from oxidation used for methanol evaporation (energy consumption < 3.5 GJ/ton of 37% formaldehyde). Product purification systems remove methanol (to < 0.1%) and formic acid (to < 0.05%) for high-purity applications. The company’s formaldehyde solutions also include:
- Downstream derivatives: Support for methylene diphenyl diisocyanate (MDI), urea formaldehyde (UF), and phenolic resin production.
- Environmental compliance: Tail gas treatment via catalytic combustion (destruction efficiency > 99.9%) and wastewater treatment (formaldehyde removal to < 10 ppm).
- Safety systems: Explosion prevention design (ventilation systems, flame arrestors), and emergency response protocols.
Formaldehyde is supplied in various concentrations (37 - 55%) and grades (technical, food-contact, pharmaceutical), meeting global standards (ISO, ASTM, USP).

Frequently Asked Questions

What types of towers and internals does your company supply, and what materials are used?

We supply various towers and internals, including liquid orifice distributors, trough distributors, ladder distributors, spray nozzle distributors, and gas distributor spargers. Materials include special alloys, ceramics, graphite, plastic, and stainless steel. Designed for uniform distribution in packed beds, considering factors like scaling and foaming, we also offer packing supports, bed limiters, and mist eliminators (mesh/chevron types) to enhance purity and prevent equipment damage.
We supply top-grade industrial equipment like barrel pumps, pneumatic diaphragm pumps, centrifugal pumps, and customized skid-mounted systems for single-point connection. Equipment is made from materials resistant to corrosive chemicals (solvents, acids, oils, etc.). All products meet API standards, with pumps complying with ANSI, ensuring reliability and performance for diverse chemical applications.
We optimize energy efficiency in plant design through high-efficiency heat exchangers for energy recovery and energy-saving pumps/fans to lower operational energy consumption. Advanced automation controls adjust equipment parameters in real-time based on production load, preventing energy waste. We also offer energy management consulting to establish monitoring systems, achieving dual economic and environmental benefits.
Our intelligent solutions integrate big data analytics for process optimization and equipment fault prediction, AI algorithms for real-time control of reaction parameters (temperature, pressure), and IoT technology for remote equipment monitoring. Engineers can access device status, receive alerts, and perform remote maintenance via mobile devices/computers, improving operational efficiency and reliability.

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Customer Reviews

Robert Moore

Their formaldehyde production process, with advanced catalyst control, has delivered consistent high purity (99.9%) and excellent yield. The integrated tail gas treatment system meets strict environmental standards, and the equipment design ensures safe, stable operations. A trustworthy solution for our adhesive production needs.

David Johnson

The formaldehyde production technology they provided includes advanced waste treatment, minimizing environmental impact. The system meets both domestic and international emission standards, and their expertise in sustainable practices has helped us align with green manufacturing goals. A responsible partner for chemical production.

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Providing Industry-specific Solutions

Providing Industry-specific Solutions

Our formaldehyde management solutions are cost-effective and are designed to withstand the rigors of different industries. This way, we are able to deal with different problems in an industry cost effectively. This also ensures that we achieve safety requirements effectively.
Sound Knowledge of Regulations

Sound Knowledge of Regulations

We appreciate the difficulties that surround the regulation of formaldehyde use within any organization. Our clients staff appreciates us in such cases because we know what they need to do in order to comply with requirements, and therefore avoid getting fined.
Declare Sustainability Goals

Declare Sustainability Goals

Chemical management in Sanli Tech has a strategic focus on sustainability. Our formaldehyde solutions meet both safety and efficiency requirements while doing as little harm as possible to the environment, thus contributing to international sustainability efforts.