Start a Sorbitan Ester Making Business

Start a Sorbitan Ester Making

What is a sorbitan?

Sorbitan is a mixture of isomeric organic compounds derived from the dehydration of sorbitol. The mixture can vary, but usually consists of 1,4-anhydrosorbitol, 1,5-anhydrosorbitol and 1,4,3,6-dianhydrosorbitol. Sorbitan is primarily used in the production of surfactants such aspolysorbates. Sorbitan is an intermediate in the conversion of sorbitol to isosorbide.

What do you means by Sorbitan Ester Making?

Sorbitan esters (also known as Spans) are lipophilic nonionic surfactants that are used as emulsifying agents in the preparation of emulsions, creams, and ointments for pharmaceutical and cosmetic use. When used alone they produce stable water-in-oil emulsions but they are frequently used with a polysorbate in varying proportions to produce water-in-oil or oil-in-water emulsions or creams with a variety of different textures and consistencies. Sorbitan esters are also used as emulsifiers and stabilisers in food.

Process of sorbitan ester making plant

The Sorbitan Plant is a highly automated and flexible batch plant. Sorbitol and

fatty acids are prepared and heated in a pre-reactor before being transferred to the main reactor vessel. Carbon black is also added to the batch to control color. Both reactors are agitated and steam heated with jackets. Recirculation is used during the reaction step to achieve additional mixing. When the reaction is completed the batch is cooled though an external cooler before being transferred to filter tank. The batch is then filtered through two Boulton plate and frame filter presses prior to storage.

Three types of fatty acid are used for sorbitan ester manufacture: captive tallow-based oleine, vegetable-based oleine, and coconut fatty acid. The poly-functional alcohol sorbitol is used to produce bleached and non-bleached sorbitan esters. The sorbitol is received in the form of sorbidex, a 70% solution of sorbitol in water. To assist in the reaction process, a homogeneous catalyst mixture is used. There are two types of catalysts: Standard Catalyst is 50% phosphoric acid and 28% sodium hydroxide and Lite Catalyst is 70% phosphorous acid and 28% sodium hydroxide. Carbon black is used to prevent color formation and hydrogen peroxide is used for bleaching.

Major Equipment of Sorbitan Ester Making Plant

 Adamson and Hatchett Pre-weigh reactor (item 730-V0470):

25 m3 316L stainless steel vertical agitated pressure vessel with internal vertical coils, weld dished top and bottom, 2.4 m (dia.) x 5.4 m (straight side), internal design pressure 450 psig (31 bar) @ 450°F (232°C), coils 230 psig (15.9 bar) @ 500°F (260°C), seven sets of vertical internal coils, two 4-blade pitched paddles driven by 15 kw, 415 volt, 1,460 rpm motor via type SCF548 gearbox with mechanical seal.

 Portobello Fabrications Ltd. Reactor (item 730-V0200):

15 m3 321 SS vertical agitated pressure vessel with internal 904LSS vertical coils,weld dished top and bottom, 2.3 m (dia.) x 3.5 m (straight side), design pressure internal 3.5 bar/FV @ 260°C, coils 41 bar @ 30°C, six sets of 904LSS vertical internal coils, Chemineer agitator drive, driven by 14.5 kw, 415 volt, 1,460/145 rpm motor, two 4-blade pitched paddles with mechanical seal.

Market Overview of Sorbitan Ester Making Plant

· Capacity: 9,500 metric tons/year

· Technology: Free and Clear to Practice Worldwide†

· Utilities: Electricity, Steam, Water and Fuel Gas†

· Year Built: 1980s†

· Shutdown: 2009†

· Product: Sorbitan Ester†

· Raw Materials: Fatty Acids, Sorbitol†

· Process control systems are Siemens PCS7 and Fisher-Provox systems, completely†

· up-to-date and for sale with the facility

· Highly automated flexible batch plant†

Manufactures of Sorbitan Ester Making Plant in India

Kavya International, Delhi
H. K. Finechem Limited, Ahmedabad
Pranav Agro, Mumbai
Mohini Organics Pvt. Ltd.,Mumbai

FOR MORE INFORMATION:-

http://en.wikipedia.org/wiki/Sorbitan
http://www.ippe.com/plants/600495/sorbitan.pdf

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