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Chemical Manufacturing

We manufacture and export specialty chemicals and drug intermediates, specialty chemical intermediate, drug intermediate, intermediate and speciality chemicals, chemical drug intermediate with are formulated with the exact chemical composition keeping in mind their application and the requirements of the customer.

The Chemicals business sector focuses on high-quality chemical products for technically demanding applications in R&D and industry. Many years of experience and innovative product solutions make us a preferred partner for laboratories and production.

Let us take you on a journey into our world of research to discover new approaches that could prove useful in your work. In regular intervals we'll be introducing you to interesting topics, this week "On the way to a bright future"


Chemicals Case No
Phenyl acetic acid, its esters, and its salts  [ CAS NO.103-82-2 ]
3,4-methylenedioxyphenyl-2-propanone  [ CAS NO.4676-39-5 ]
Pseudoephedrine, its salts, optical isomers, and salts of optical isomers  [ CAS NO.90-82-4 ]
Piperidine and its salts  [ CAS NO.110-89-4 ]
Methylamine  [ CAS NO. 74-89-5 ]
Propionic anhydride  [ CAS NO.123-62-6 ]
Para Methoxy Phenyl Acetone  [ CAS NO.122-84-9 ]
Para Methoxy Phenyl Acetic Acid  [ CAS NO.104-01-8 ]
Raspberry Ketone  [ CAS NO.5471-51-2 ]
Benzyl Acetone  [ CAS NO.2550-26-7 ]
Tyramine  [ CAS NO.51-67-2 ]
Biphenyl (Phenyl benzene)  [ CASNO.92-52-4 ]
1-phenyl-1-hexanone  [ CASNO.942-92-7 ]
Benzene  [ CASNO.71-43-2 ]
Benzyl methyl ketone  [ CAS NO.103-79-7]
Bromo phenyl acetone (1-Bromo-1-phenyl-2-propanone)  [ CAS NO.23022-83-5 ]
3'-Aminoacetophenone  [ CAS NO.99-03-6 ]
3'-Chloroacetophenone  [ CAS NO. 99-02-5 ]
Toluene  [ CAS NO. 108-88-3 ]

* **The following chemicals or the salt, optical isomer, or salt of an optical isomer of the following chemicals

o Ethylamine
o Propionic anhydride
o Isosafrole
o Safrole
o Piperonal
o N-methylephedrine
o N-methylpseudoephedrine
o Acetic anhydride
o Acetone
o Benzyl chloride
o Diethyl ether
o Potassium permanganate
o 2-butanone (or methyl ethyl ketone)
o Toluene
o Hydrochloric acid (including anhydrous hydrogen chloride)
o Methyl isobutyl ketone
o Petroleum Products

Petrochemical plants (plants using petroleum as a raw material) are usually located adjacent to an oil refinery to minimize transportation costs for the feedstocks produced by the refinery. Specialty chemical plants are usually much smaller and not as sensitive to location.

 Chemical processes

Chemical plants typically use chemical processes, which are detailed industrial-scale methods, to produce the chemicals. The same chemical process can be used at more than one chemical plant, with possibly differently scaled capacities at each plant. Also, a chemical plant at a site may be constructed to utilize more than one chemical process.

A chemical plant commonly has usually large vessels or sections called units that are interconnected by piping or other material-moving equipment which can carry streams of material. Such material streams can include fluids (gas or liquid carried in piping) or sometimes solids or mixtures such as slurries. An overall chemical process is commonly made up of steps called unit operations which occur in the individual units. A raw material going into a chemical process or plant as input to be converted into a product is commonly called a feedstock, or simply feed. In addition to feedstocks for the plant as a whole, an input stream of material to be processed in a particular unit can similarly be considered feed for that unit. Output streams from the plant as a whole are final products and output streams from individual units may be considered intermediate proChemicalducts for their units. However, final products from one plant may be intermediate chemicals used as feedstock in another plant for further processing. For example, some products from an oil refinery may used as feedstock in petrochemical plants.

Either the feedstock(s), the product(s), or both may be individual compounds or mixtures. It is often not worthwhile separating the components in these mixtures completely based on product requirements and economics. Continuous and batch operation

Chemical processes may be run in continuous or batch operation. In batch operation, production occurs in time-sequential steps in batches. A batch of feedstock(s) is fed into a process or unit, then the chemical process takes place, then the product(s) and any other outputs are removed. Such batch production may be repeated over again and again with new batches of feedstock. Batch operation is commonly used in smaller scale plants such as pharmaceutical or specialty chemicals production.

In continuous operation, all steps are ongoing continuously in time. During usual continuous operation, the feeding and product removal are ongoing streams of moving material, which together with the process itself, all take place simultaneously and continuously. Chemical plants or units in continuous operation are usually in a steady state or approximate steady state. Steady state means that quantities related to the process do not change as time passes during operation. Such constant quantities include stream flow rates, heating or cooling rates, temperatures, pressures, and chemical compositions at every point (location). Continuous operation is more efficient in many large scale operations like petroleum refineries. It is possible for some units to operate continuously and others be in batch operation in a chemical plant; for example, see Continuous distillation and Batch distillation. The amount of primary feedstock or product per unit of time which a plant or unit can process is referred to as the capacity of that plant or unit. For examples: the capacity of an oil refinery may be given in terms of barrels of crude oil refined per day; alternatively chemical plant capacity may be given in tons of product produced per day. In actual daily operation, a plant (or unit) will operate at a percentage of its full capacity.


Plant operation >>

Process control

In process control, information gathered automatically from various sensors or other Taj Chemical Manufacturingdevices in the plant is used to control various equipment for running the plant, thereby controlling operation of the plant. Instruments receiving such information signals and sending out control signals to perform this function automatically are process controllers. Previously, pneumatic controls were sometimes used. Electrical controls are now common. A plant often has a control room with displays of parameters such as key temperatures, pressures, fluid flow rates and levels, operating positions of key valves, pumps and other equipment, etc. In addition, operators in the control room can control various aspects of the plant operation, often including overriding automatic control. Process control with a computer represents more modern technology. Based on possible changing feedstock composition, changing products requirements or economics, or other changes in constraints, operating conditions may be re-optimized to maximize profit.

As in any industrial setting, there are a variety of workers working throughout a chemical plant facility, often organized into departments, sections, or other work groups. Such workers typically include engineers, plant operators, and maintenance technicians. Other personnel at the site could include chemists, management/administration and office workers. Types of engineers involved in operations or maintenance may include chemical process engineers, mechanical engineers for maintaining mechanical equipment, and electrical/computer engineers for electrical or computer equipment.

Large quantities of fluid feedstock or product may enter or leave a plant by pipeline, railroad tank car, or tanker truck. For example, petroleum commonly comes to a refinery by pipeline. Pipelines can also carry petrochemical feedstock from a refinery to a nearby petrochemical plant. Natural gas is a product which comes all the way from a natural gas processing plant to final consumers by pipeline or tubing. Large quantities of liquid feedstock are typically pumped into process units. Smaller quantities of feedstock or product may be shipped to or from a plant in drums. Use of drums about 55 gallons in capacity is common for packaging industrial quantities of chemicals. Smaller batches of feedstock may be added from drums or other containers to process units by workers.

  Manufacturing (Capacity)    
Tablet Taj Capsule Machine Capsule machine
Dry Injection
Syrups & Suspensions
Small Volume Parenterals
Dry Syrups
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Taj Pharmaceuticals Ltd.
Plot No. - 1019, Vill. - Sarigam,
G.I.D.C. , Road No. 10,
Dist. - Valsad,
State of Gujrat.
Pin Code - 396142

Phone : General EPA BX :
             91 - (0)22 - 26374592/92
             91 - (0)22 - 26374592/93

Fax :  91-(0)22-26341274

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