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Next, the custom manufacturer of extraction tanks will discuss some features of low-temperature extraction equipment.

Release time:

2021-12-06 11:54

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　　Next, the custom manufacturer of extraction tanks will discuss some features of low-temperature extraction equipment.

　　Custom Manufacturer of Extraction Tanks: What are the applications of extraction in wastewater treatment?

　　The phenol-containing wastewater is fed into a centrifugal extractor, while the extractant is simultaneously introduced into the centrifugal extractor in proportion. After three-stage extraction, the phenol-removed wastewater is discharged from the centrifugal extractor. The phenol-containing extractant is then sent to a back-extraction unit in a specific proportion, where liquid alkali is added to perform a three-stage back-extraction and alkaline washing operation on the phenol-containing extractant. Following the three-stage alkaline washing, the extractant can be recycled for further use. The phenol-sodium solution generated after back-extraction is discharged from the back-extraction unit for recovery of phenol sodium, thereby creating economic benefits.

Custom extraction tank

　　Custom Manufacturer of Extraction Tanks: What are the common facilities used in extraction methods?

　　The commonly used extraction method is continuous countercurrent extraction, as centrifugal extractors facilitate continuous extraction and enable automated operations in the extraction, back-extraction, and washing stages, while also occupying a small footprint. This method is now widely applied in fields such as petrochemicals, hydrometallurgy, oil-water separation, and wastewater treatment.

　　Custom Manufacturer of Extraction Tanks: Introducing Some Features of Low-Temperature Extraction Equipment for Extraction Processes

　　1. Introduction to manufacturers of low-temperature extraction equipment: The fundamental principle behind extraction separation lies in the differing solubilities of various components in the solvent—some components exhibit significant solubility in the solvent, while others may be virtually insoluble or only partially miscible. Similar to extraction and absorption processes, components in homogeneous mixtures are separated based on their differences in solubility within the solvent. However, the key distinction is that gaseous mixtures are separated via absorption, whereas liquid mixtures are separated through extraction.

　　2. After extraction is complete, two liquid phases are formed (in supercritical extraction, these phases are in a supercritical state). These phases have a certain density difference, making separation easy.

　　3. During the extraction process, the solute transfers from the feed material into the extractant across the phase interface. Like other mass-transfer processes, phase equilibrium represents the ultimate limit of the process.

　　4. The extraction process involves the use of large quantities of solvents. To obtain the solute and recover the solvent, the solvent used should be easy to recover and low in cost.

　　5. Both extraction and distillation are methods for separating liquid-phase mixtures. However, extraction alone cannot directly accomplish the separation task. To recover the solvent used in the process, the extract phase and the raffinate phase must be further separated.

　　Custom Manufacturer of Extraction Tanks: Applications of Low-Temperature Extraction Equipment

　　The manufacturer of low-temperature extraction equipment introduces that such equipment is primarily used in fields including food fats and oils, vegetable oils, pharmaceuticals, and food processing. The widespread adoption of low-temperature extraction technology is due to its ability to largely preserve heat-sensitive substances in materials without causing their degradation, while also avoiding the formation of hazardous byproducts.

　　Low-temperature extraction technology has many advantages. The quality of the extracted product is excellent. The rate of denaturation of water-soluble proteins in the residue exceeds 95%, and the residual oil content is less than 1%. Solvent consumption is low—typically less than 6 kilograms per ton of material. According to manufacturers of low-temperature extraction equipment, this technology does not generate any pollution during the production process and is highly environmentally friendly. The extracted oil has a light color and a low lecithin content. It requires relatively little investment and has low production costs, making it easier for investors to get involved. Moreover, the extraction solvent is widely available and inexpensive.


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