Carbon Molecular Sieve CMS

Carbon molecular sieve (CMS) is a specialized carbon-based adsorbent material designed for Pressure Swing Adsorption (PSA) nitrogen generation systems. Manufactured from high-quality raw materials such as phenolic resin and coal tar through high-temperature carbonization and precise pore-size activation, the product features uniformly distributed micropores in the 0.35–0.38nm range. This structure enables dynamic separation of oxygen and nitrogen from air based on molecular diffusion rate differences at ambient temperature and pressure. The material is formed into black cylindrical pellets and operates on a straightforward principle: oxygen molecules are rapidly adsorbed while nitrogen passes through and is collected as product gas. The CMS automatically regenerates upon pressure release, allowing for continuous, long-term cyclic operation without significant performance loss. Low ash content, stable particle strength, and minimal cyclic attenuation make this carbon molecular sieve suitable for all standard PSA nitrogen generator models.

Key Applications Across Industries

The carbon molecular sieve CMS serves a broad spectrum of nitrogen generation applications across multiple industrial sectors. In the chemical and petrochemical industries, it provides inert gas for reactor blanketing and pipeline purging. The metal heat treatment sector relies on it for annealing, quenching, and sintering atmospheres to prevent oxidation. Electronics and semiconductor manufacturing use CMS-generated nitrogen for chip packaging and component protection. The food and beverage industry applies it for modified atmosphere packaging and storage preservation. Pharmaceutical manufacturing depends on high-purity nitrogen for drug storage and synthesis protection. Additional applications include coal mine inerting for fire prevention, new energy battery production, wastewater treatment, aerospace, and warehousing preservation. This carbon molecular sieve adapts to virtually any PSA nitrogen generation requirement, from small-scale laboratory units to large industrial systems.

Guangde Yuanhao Molecular Sieve Co., Ltd. began production in 2010 and operates a 25,000-square-meter facility with a professional team of over 40 employees. The company is recognized as a National High-Tech Enterprise and an Anhui Province Specialized and Sophisticated Enterprise. It holds ISO 9001, ISO 14001, and ISO 45001 management system certifications, along with multiple invention patents for molecular sieve preparation and 3A credit enterprise status. The production process is fully integrated and automated, featuring energy-efficient horizontal ball mills, continuous carbonization furnaces, extrusion equipment, R&D carbonization furnaces, and comprehensive analytical testing instruments. Current monthly production capacity stands at 150 tons, with an upcoming 2027 expansion project expected to double capacity to 300 tons per month. Every batch of carbon molecular sieve undergoes 100% inspection before shipment and is accompanied by a factory test report. Third-party inspections are also welcomed. This vertically integrated manufacturing approach ensures consistent quality and reliable supply for large-volume orders.

For customers requiring specific specifications, the carbon molecular sieve CMS can be customized to meet unique particle size, purity, or performance requirements. The standard minimum order quantity is 500kg. Sample testing services are available. For custom sample development, the lead time typically ranges from 7 to 30 days depending on the complexity and quantity required. Standard product delivery is generally 3 to 15 days, while custom orders typically require 7 to 30 days. OEM and ODM services are supported, and mixed model orders within a single MOQ are acceptable. The company offers flexible payment terms, with initial orders requiring payment before shipment and subsequent orders eligible for prepayment plus credit terms. Supported trade terms include FOB (primary), EXW, and DDP. A 1-year warranty is provided under normal operating conditions, with a typical service life of 5 to 10 years. Dedicated after-sales personnel are available to address any operational concerns. Pre-sales technical support includes application assessment, model selection guidance, and bed loading recommendations. Throughout the order process, production photos and videos can be provided upon request. After delivery, the company offers remote or on-site technical support for installation, commissioning, and operational training.

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