Techno Force Solutions (I) Pvt. Ltd

Liquid-Liquid Extraction unit

Product Specifications

Rotating Disc Extractors:

Reference Case

Volume handled	:	14,000 lit/hr
Diameter.	:	1 m
Design code	:	ASME Sec VIII Div I, EU ATEX
Material of construction	:	SS316L

Annular Centrifugal Extractors:

Reference Case

Volume handled	:	24,000 lit/hr
Bowl diameter.	:	0.5 m
Design code	:	ASME Sec VIII Div I,
Material of construction	:	SS316L

Product Description

Rotating Disc Extractors:

This mechanically agitated continuous extractor gives excellent performance over conventional batch kettles. It saves use of solvent, power and manpower.

How they work : The continuous liquid-liquid extractor (Rotating Disc Extractor) consists of a vertical stack of mixers and settlers. The settling zone is at one end of the mixing zone. It is protected by a vertical baffle. Each mixing section is provided with an agitator. The counter current flow is achieved by introducing the heavy phase at the top and the light phase at the bottom of the column. One of the phases is continuous while the other is dispersed. As the two phases pass in the opposite directions, they are subjected to repeated mixing and settling at each stage. The extract and raffinate flows out through respective nozzles.
The extraction of the desired component takes place in the mixing zone where the agitator promotes uniform droplet formation and dispersion. The repeated mixing and settling at each stage creates an extraction capability that is equivalent of several washings in a batch kettle.

Features :

	Single equipment can replace many extraction kettles
	Converts batch operation to continuous mode, thus brings consistency in results
	Single pass operation is equivalent of several washings in a batch kettle
	The variable speed of the agitator gives an additional control parameter to handle applications with various density differences
	Compact system, requires less floor space
	Up to 50 % reduction in solvent usage and 70% reduction in power usage over the batch extraction system
	Can be connected to solvent recovery system at downstream thus forming a close loop system

Applications :

	Separation of close boiling components, which are otherwise difficult to separate by distillation
	Breaking of azeotropes
	COD, BOD reduction in wastewater
	Purification of fine chemicals and pharmaceuticals
	Change in pH by washing
	Extraction of bulk drugs from reaction mass
	Reactive extraction

Annular Centrifugal Extractors:

This extractor with high speed spinning basket, is an excellent tool for the extraction having phases with a narrow density difference.

How they work :

It has a rotor basket spinning at high speed in a cylindrical shell. This promotes intense mixing of two phases in the annular space formed between stationary shell and rotating basket where the two immiscible liquids reach equilibrium. When the mixture enters the inner volume of the rotating basket, the high centrifugal force separates the two phases. Heavy and light phases are discharged from different outlets.

Features :

	Ideal for materials with low density difference
	Good for the processing of material having emulsifying tendency
	Very small holdups, ideal for pharmaceutical and hazardous applications
	Requires less space
	Continuous operation, consistent results

About Us:

Techno Force Solutions was started in 1990 to manufacture process equipment based on Thin-Film technology, mainly Evaporators, Dryers and high vacuum Short Path Distillation Units. A pilot plant (test center) was also started simultaneously. The Extractors, Scraped Surface Heat Exchanger and Waste Water-Zero Discharge Systems were added subsequently to the product range in response to the demand from customers.

We supplied several hundred systems to the process industry for a wide variety of applications in pharmaceutical, bulk drug, natural product, polymer, petrochemical, dye and dye intermediate, agrochemical, pesticide, oleoresin, speciality chemicals. We have satisfied customers in India, North America, Europe, Middle East, Africa and South East Asia.

Our emphasis is on single point solution to the customers starting from lab scale study, pilot plant trials, scale-up, mechanical and process design, manufacturing, project execution, erection, commissioning and after sales services.

The supply can be in the form of bare equipment or as a skid unit i.e. with equipment, piping, structural frame and instrumentation. The skids are pre-erected at our factory for inspection before dispatch.

Our shops meet requirement under ASME `U stamp, European PED `CE mark` and China Special Equipment Manufacturing License. In-house facilities of manufacturing and testing ensures quality and reliable delivery.

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