The release of halogens from halogenated hydrocarbons accelerates corrosion. This article explains the key points of corrosion resistance in material selection, process matching, and daily maintenance.
2026-10-17Low boiling point solvents require deep cooling to condense, and single-stage refrigeration cannot reach the corresponding temperature. This article explains the combination and safety configuration of cascade refrigeration and isothermal compression.
2026-10-17The boiling point of n-propyl acetate is about 101 ℃, and the volatile strength is between ethyl acetate and butyl acetate. It is commonly used in coatings, inks and printing industries. In this paper, the characteristics of n-propyl acetate waste gas, collection arrangement, two-stage condensation configuration and recovery liquid reuse points are combed for selection and operation reference.
2026-10-16The absorption method uses liquid absorbents to capture the solvent vapor in the exhaust gas, enriching the low concentration, high air volume gas phase into a low flow, high concentration liquid phase, and then recovering the solvent through distillation or stripping regeneration. This article outlines the process principles, applicable scenarios, and key operational control points of absorption method.
2026-10-16The solvent recovery device operates continuously throughout the year, and an annual maintenance plan can be arranged to intersperse various maintenance tasks and fully utilize the shutdown window. This article outlines the project composition, cycle arrangement, and record management points of the annual maintenance plan, and introduces the maintenance support services of Luoyang Wohong.
2026-10-16Dipropylene glycol methyl ether has a high boiling point and is miscible with water; it is commonly used in the coatings, inks, and cleaning agent industries, with emissions primarily occurring during high-temperature processes. This paper summarizes the characteristics of its waste gas, the layout of its collection system, the configuration of condensation‑based recovery equipment, and the key operational considerations for distillation‑based dehydration of the recovered liquid.
2026-10-16The key to the recovery of intermittent conditions is the centralized collection and buffer configuration of the negative pressure pipe network, and this paper clarion the collection method, buffer design and the key points of start-stop interlocking.
2026-10-15Boosting the pressure to increase the dew point of the components and allowing shallow cooling can condense most of the solvent, while providing permeation driving force for membrane separation. This article explains the division of labor and configuration points of each section.
2026-10-15The purity is determined by the degree of component singularity and post-processing steps. Single component systems commonly reach over 95% through combination processes. This article explains the influencing factors and reuse control conditions.
2026-10-15Chlorobenzene has a boiling point of approximately 132°C; at room temperature, its volatilization is limited, but in high-temperature processes, the concentration in the exhaust gas is high. Recovery primarily employs a combined approach: closed-loop collection followed by condensation in the front stage to capture the bulk of the emissions, and adsorption at the end stage to capture any remaining traces. This paper summarizes the characteristics of chlorobenzene waste gas, its collection and layout, the combined configuration of condensation and adsorption, and key considerations for the reuse of the recovered liquid.
2026-10-14Mr. Li 13526990215
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