Overview
Molecular distillation glass equipment is a precision apparatus designed for the gentle separation of thermally unstable compounds. Unlike conventional distillation, it operates under high vacuum (0.001-0.1 mbar) to reduce boiling points, enabling processing at temperatures as low as 50-100°C. The glass construction ensures chemical inertness, critical for pharmaceutical and food-grade applications. First developed in the 1920s, modern systems combine borosilicate glass evaporation chambers with stainless steel structural supports. These systems are indispensable in industries requiring high-purity fractions without thermal degradation, such as vitamin E extraction or cannabis distillate production.
Structure and Working Principle
The equipment consists of four core components: a vacuum-sealed glass evaporation chamber, a rotating wiper system, a condenser array, and a fraction collection system. The wiper creates a thin film of feed material on the heated surface, maximizing evaporation efficiency. Separation occurs via molecular mean free path differences. Under high vacuum, lighter molecules travel directly to the condenser while heavier components return to the feed. This physics-based separation achieves purities up to 99.9% without requiring chemical additives or extreme temperatures.
Key Features
1) Vacuum Operation: Maintains pressures below 0.1 mbar to prevent thermal degradation. 2) Short Residence Time: Materials spend only 10-30 seconds in the heated zone. 3) Modular Design: Allows customization with multiple evaporation stages or inline analytical ports. Advanced systems incorporate PLC controls for automated pressure and temperature regulation. Some models feature quartz glass components for UV-sensitive materials, while others integrate cold traps for volatile compound recovery. The absence of metal contact surfaces prevents catalytic reactions in sensitive organic compounds.
Application Areas
Pharmaceuticals: Purification of APIs (Active Pharmaceutical Ingredients) like omega-3 fatty acids. Essential Oils: Fractionation of citrus oils to isolate oxygenated compounds. Petrochemicals: Recovery of heat-sensitive lubricant base stocks. Emerging applications include cannabis distillate processing (THC/CBD isolation) and semiconductor-grade material purification. In food industries, it's used for deodorizing fish oils while preserving nutritional value. The equipment's ability to handle viscosities up to 50,000 cP makes it versatile for diverse feedstocks.
Maintenance and Precautions
Monthly maintenance should include inspection of glass seals for microfractures and calibration of vacuum sensors. The wiper blade mechanism requires lubrication with high-vacuum greases every 500 operational hours. Critical precautions: 1) Always cool the system before breaking vacuum to prevent thermal shock to glass components. 2) Use only PTFE or graphite gaskets - organic seals degrade under vacuum. 3) Install rupture discs as a safety measure against sudden pressure changes. For cleaning, avoid abrasive materials that could scratch glass surfaces.
B2B Procurement Guide
When sourcing molecular distillation glass equipment, verify these specifications: 1) Evaporation area (0.1-5m² typical for lab/industrial units). 2) Vacuum capability (≤0.001 mbar for high-boiling compounds). 3) Maximum feed viscosity rating. Leading manufacturers include UIC (Germany), VTA (Austria), and local specialized fabricators in China. For pilot-scale systems (0.5-1m²), expect lead times of 12-16 weeks. Request documentation of GMP compliance if processing pharmaceuticals. Consider modular designs that allow future capacity expansion through additional evaporation stages.
Related Manufacturers
- 主营：实验室精馏装置、减压蒸馏装置、小试精馏装置、分子蒸馏、前驱体源瓶
- 主营：薄膜蒸发器、蒸馏设备定制、精馏塔蒸馏装置、玻璃分子蒸馏仪、实验室蒸馏设备
- 主营：[]
- 主营：[]
- 主营：循环泵、反应釜、旋转蒸发器、双层玻璃反应釜
- 主营：喷雾干燥机、全自动氮吹仪、一体化蒸馏仪、光化学反应仪、固相萃取仪、COD消解仪、石墨消解仪、索式提取器、恒温金属浴、集菌仪、拍打式均质器、恒温解冻仪、细胞分类计数器、翻转式振荡器、分液漏斗振荡器、水质硫化物酸化吹气仪、微生物限度检测仪
- 主营：工艺设备、玻璃零配件、配套真空系统、不锈钢精馏设备
- 主营：全自动氮吹仪、薄膜蒸发器、高纯氮气发生器、分子蒸馏仪、分子蒸馏设备、短程分子蒸馏仪、实验室分子蒸馏、薄膜分子蒸馏、刮膜式分子蒸馏仪、氮吹仪、制氮机、全封闭氮吹仪、氮气发生器、空气发生器、氢气发生器、氮吹浓缩仪、定容氮吹仪、氮氢空一体机、玻璃薄膜蒸发器、液质联用氮气发生器、短程蒸馏设备、变压吸附制氮机、PSA制氮机、膜分离制氮机、实验室用氮气发生器
- 主营：玻璃罩、反应瓶、消化管、分子蒸馏、消煮管、蒸发器、反应器、消解管、排气阀、反应釜、旋蒸仪、蒸馏装置、薰衣草油、层析仪器、玻璃仪器、玻璃钟罩、玻璃漏斗、科学仪器、哈氏合金、萃取装置、进料阀门、圆底烧瓶、仪器设备、旋转蒸发仪、短程蒸馏器
- 主营：恒温解冻仪、光化学反应仪、氮吹仪、玻璃分子蒸馏仪、一体化蒸馏仪、脂肪测定仪、喷雾干燥机、培养箱、震荡箱
- 主营：精馏塔、反应器、液液萃取、高压加氢、脱硫脱硝、气体分离、量固定床、生物质热解、催化剂装置、不锈钢精馏、环丝网填料、机物吸收塔、多功能反应、石油切割塔、固定床反应、乙醇回收塔、床反应装置、催化加氢装置、反应实验装置、低温高压精馏、脱硝反应装置、高压反应装置、醋酸裂解装置、树脂加氢装置、定制实验设备
- 主营：喷雾干燥机、薄膜蒸发器、精馏装置/精馏塔、分子蒸馏仪、索氏提取器/脂肪测定、细胞计数器、氮吹仪、多功能蒸馏仪、固相萃取仪、液液萃取仪、微生物限度仪、集菌仪、石墨消解仪、微波消解仪、cod消解仪
- 主营：蒸馏仪、雾干燥机、索氏提取、分子蒸馏仪、集菌仪、氮吹仪、过滤器、均质机、测定仪、匀浆机、浓缩仪、cod回流、cod消解、微波炉、离心机、固相萃取仪、消化炉、振荡器、培养箱、加热cod、真空泵、通风柜、二氧化硫残留测定仪、石墨消解仪、光化学反应仪
- 主营：喷雾干燥机、氮吹仪、全自动氮吹仪、玻璃分子蒸馏设备、石墨消解仪、微波消解仪、二氧化硫蒸馏仪、集菌仪、一体化蒸馏仪、自动液液萃取仪、光化学反应仪、固相萃取仪、索式提取器
- 主营：玻璃冷凝器、玻璃弯头、玻璃三通、短程分子蒸馏、玻璃阀门、四氟胶垫、玻璃反应釜、高温加热设备、高低温一体机、玻璃管道、玻璃容器、玻璃层析柱、玻璃精馏釜、冷热一体机、旋转蒸发器、旋转蒸发仪、单层玻璃反应釜、双层玻璃反应釜
- 主营：双层玻璃、玻璃旋转、玻璃反应釜、短程分子蒸馏器、升降机械密封
- 主营：精馏塔、薄膜蒸发器、降膜蒸发器、分子蒸馏设备、分子蒸馏、单效蒸发器、玻璃反应釜、不锈钢反应釜、反应釜
- 主营：多功能蒸馏仪、氮吹仪系列、摇床、分子蒸馏仪、氮气发生器、培养箱系列、震荡器系列、组织研磨仪、微波消解仪、石墨消解仪、恒温解冻仪、漩涡混合仪、离心机、固相萃取仪系列、喷雾干燥机、高低温恒温槽系列、脂肪测定仪、集菌仪、微生物限度检测仪、薄膜蒸发器、酒精蒸馏仪、光化学反应仪、二氧化硫蒸馏仪、真空平行浓缩仪
- 主营：微波消解仪、三气培养箱、氮吹浓缩仪、分子蒸馏仪、一体化蒸馏仪、喷雾干燥机、二氧化硫蒸馏仪、集菌仪、液液萃取仪、氮气发生器、分液仪、薄膜蒸发器、高温循环、精馏塔、索氏提取、恒温消解、土壤样品、膳食纤维、回流消解、自动消解、生物厌氧、低温恒温、养虫设备、无菌均质
- 主营：玻璃反应釜、旋转蒸发仪、磁力搅拌器、短程分子蒸馏、制冷加热循环一体机、低温冷却液循环泵、高温恒温油浴锅、循环水真空泵、水热合成反应釜、玻璃仪器气流烘干器、恒温油水浴锅、四氟搅拌桨