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Function of Distillation Column A distillation column is a vital piece of equipment used in the process of distillation, which is a technique for separating components of a mixture based on their different boiling points. It plays a critical role in the chemical, petrochemical, and pharmaceutical industries, where separation of liquid mixtures into individual components is required. Basic Operation and Function The basic function of a distillation column is to separate liquid mixtures into their individual components by exploiting differences in boiling points. The column is designed as a vertical, cylindrical vessel with several trays or packing materials inside…

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Linking Green Intelligent Manufacturing to the Global Market, Infusing Circular Momentum into China’s Hemodialysis Membrane Industry Chain As global hemodialysis membrane production capacity shifts toward Asia, balancing stringent medical-grade purity requirements with environmental pressures in manufacturing remains a central challenge for the industry. In June 2026, a delegation from one of India’s top integrated medical device groups visited our company to conduct a two-day in-depth technical audit of our DMAC (dimethylacetamide) recovery equipment, specifically tailored to their upcoming large-scale dialysis membrane production line. The focus was on operational efficiency, solvent residue control, and lifecycle management. This visit was not…

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Why Recover DMF? DMF (N,N-Dimethylformamide) is a high-boiling, polar aprotic solvent with excellent solvating power, used extensively in: Polyurethane (PU) & Acrylic Fiber Production: The largest industrial application. Pharmaceutical Industry: As a reaction solvent. Electronics Industry: In the production of printed circuit boards and semiconductors. Adhesives, Paints, and Coatings. Recovering DMF is not just beneficial but often economically and environmentally mandatory because: High Cost: Virgin DMF is expensive. Recovery significantly reduces raw material costs. Environmental Regulations: DMF is classified as a substance of concern. Discharging it into the environment or incinerating it is heavily regulated and costly. Sustainability: Recovery aligns with circular economy principles, reducing waste and…

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China-Russia Cooperation Reaches New Success! Russian customer visits our company and successfully completes the acceptance of DMAC recovery plant. Recently, our company welcomed a delegation from an important Russian client. The two sides conducted the final acceptance work for the DMAC recovery plant project. During the rigorous testing and meticulous verification that lasted for 3 days, the stability of the equipment operation, the recovery efficiency, and the environmental protection indicators all exceeded the expected requirements as stipulated in the contract, earning high recognition from the client and marking the successful completion of this project! Efficient collaboration, technological leadership During…

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Overview of DMF Recovery Equipment DMF (N,N-Dimethylformamide) recovery equipment is a dedicated system used for recovering and purifying DMF solvents from industrial waste liquids. It is widely applied in industries such as polyurethane synthetic leather, pharmaceuticals, pesticides, and electronics. Main Types Distillation Recovery Systems: o Multi-column continuous distillation units o Vacuum distillation equipment o Azeotropic distillation systems Membrane Separation Equipment: o Permeation vaporization membrane modules o Reverse osmosis concentration devices Adsorption Recovery Systems: o Activated carbon adsorption towers o Molecular sieve adsorption units Key Technical Parameters Recovery rate: Typically 95-99% Purity: ≥99.5% (industrial grade) or ≥99.9% (electronic grade) Processing…

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Completed Sets of DMAC Recovery Columns Are Under Production in Our Factory. Our factory is busy manufacturing the completed set of DMAC recovery columns and DMF recovery columns, make sure all equipment can be delivered on time. Shiputec can provide not only the DMAC recovery plant, DMF recovery plant and DMSO recovery plant, but also supply turnkey project of solvent recovery, including technics design, equipment manufacturing, technical consultant, spare parts supply and etc.

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One Batch of DMAC Recovery Equipment Is Loaded & Shipped To Vietnam One batch of DMAC recovery plant is loaded into container and will be shipped to our Vietnam customer factory. The DMAC recovery plant includes distillation column, evaporation column, deacidification column, deamination column and accessory equipment. Shiputec can provide not only the DMAC recovery plant, DMF recovery plant and DMSO recovery plant, but also supply turnkey project of solvent recovery, including technics design, equipment manufacturing, technical consultant, spare parts supply and etc.

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One Batch of DMF Recovery Equipment Is Ready For Shipment. One batch of DMF recovery plant is ready in our factory, including distillation column, evaporation column, deacidification column, deamination column and accessory equipment, will be delivered to our customer’s factory.  

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Abstract This article details the entire process of installation and commissioning of the latest DMF (N, N-dimethylformamide) recovery equipment developed by Environmental Protection Technology Company in the customer’s factory. The article first introduces the background significance and industry status quo of DMF recovery, and then comprehensively elaborates on the technical principles and innovative features of the equipment. It focuses on describing the specific steps and precautions for the installation and commissioning of the equipment, and demonstrates the outstanding performance of the equipment through actual operation data. Finally, the article looks forward to the application prospects of this equipment in…

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The Difference Between DMF & DMAC in Recovery Industry DMF (N, n-dimethylformamide) and DMAC (N, n-dimethylacetamide) are common organic solvents that are widely used in the chemical, pharmaceutical, electronics and fiber industries. Their main differences are as follows: Chemical structure DMF (N, n-dimethylformamide, Dimethylformamide) Structural formula: HCON(CH₃)₂ Contains formyl group (-CHO) structure, belongs to formamide compounds. DMAC (N, n-dimethylacetamide, Dimethylacetamide) Structure: CH₃CON(CH₃)₂ Amido compounds contain an acetyl (-COCH₃) structure. Physical properties Properties DMF DMAC Molecular weight 73.09 87.12 Boiling point (°C) 153 165 Density (g/cm³, 20°C) 0.944 0.937 Dielectric constant (20°C) 36.7 37.8 Solubility (in water) Completely dissolved Solvent…

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