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Supercritical Making Nanoparticle System (RESS)

Nanoparticles with Supercritical Fluids, Co2 extraction system

co2 extraction system


The development of ultrafine particles, especially nano-sized particles, has become a hot field in the current high-tech, and is widely used in materials, chemical, light industry, metallurgy, electronics, and biomedical fields, using fine supercritical fluids to prepare fine The technology of microparticles allows processing and preparation of particles, microspheres, microcapsules, porous materials, liposomes and other fine materials.

Supercritical Making Nanoparticle System
Supercritical Making Nanoparticle System

There are many methods for the preparation of ultrafine particles. As a high-tech, supercritical fluid deposition technology can more accurately control the crystallization process, can produce fine particles with a small average particle size, and can also control the distribution of particle size. Therefore, deposition from supercritical solutions is a promising new technology.

The most widely used supercritical fluid deposition technology is the following two methods: RESS (supercritical solution rapid expansion) method and GAS (gas antisolvent crystallization) method.

This device mainly adopts the RESS (Supercritical Solution Rapid Expansion) method, but can take into consideration the GAS (Gas Antisolvent Crystallization) method.

1, the maximum working pressure of the supercritical crystallization kettle is 33 MPa.

2, working temperature: room temperature 100 ° C soil 1 ° C

3, crystallizer volume: 500mL material 316 (resistant, CO2 solution corrosion)

4, separation kettle: maximum working pressure: 30MPa. Volume 200 ml Temperature: room temperature -80 ° C soil 1 ° C Material: 316

5, CO2 plunger pump: maximum working pressure 40MP flow 1-8L / h maximum power: 1.1KW (to meet the maximum displacement of the process)

6, preheater: heating power: 1KW, heating temperature: normal temperature ~ 100 ° C, temperature control accuracy: ± 1 ° C

7, advection pump (solution pump): maximum working pressure 40MP flow 0.01~9.99 ml / min (pump head material: 316L)

8, low temperature cooling water bath: cooling capacity: 4446ksal / h 50HZ minimum temperature control -5 °C precision soil 1 °C maximum power: 2.5KW cooling air cooling, sealing cycle (meeting the process requirements)

9, metal rotameter: when the range is 0-25L / h, the withstand voltage is 10MPa, which can display instantaneous and cumulative flow

10, incubator (air bath): temperature: room temperature -100 ° C soil 0.5 ° C working size: 600 × 500 × 750 (length, width and height) maximum power: 2 KW

11, CO2 storage tank: volume: 1500ml coil diameter 8mm maximum pressure 30 MPa

12, power supply: three-phase five-wire system 380V / 50HZ maximum total power 8Kw 13, CO2: single bottle net weight ≥ 22Kg user-owned

14, installation size: 1700 × 800 × 1730 m / m, (length, width and height) plus operating space.

supercritical fluid extraction system

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