AROMATICS PLANT & POLYMER PLANT Flashcards
(21 cards)
It is a C6 aromatic liquid that is colorless and has a distinct sweet odor. It is highly flammable, volatile, and insoluble in water. Used primarily as a precursor to various industrially important chemicals such as ethylbenzene, cumene, cyclohexane, and nitrobenzene.
Benzene
_____ is a C7 aromatic liquid that is colorless, water-insoluble and has a sweet to pungent odor. It is also highly flammable and volatile. Typically used as solvent, gasoline additive, and precursors to various industrial chemicals such as polyurethane, benzoic acid, phenol, and benzaldehyde
TOLUENE
_____ is a colorless aromatic liquid. It is a mixture of C8 aromatics consisting of three xylene isomers (o-xylene, m-xylene, and p-xylene) and ethylbenzene. Used primarily as a solvent and precursor to polyethylene terephthalate (PET).
MIXED XYLENES
_____ is a colorless to light yellow liquid consisting of C9 to C10 aromatics. Typically used as a solvent, fuel additive, and precursor to aromatic hydrocarbon resins
EVA-SOL
Our _____ produces benzene, toluene, mixed xylenes and mixed aromatics. It is the first Aromatics Extraction plant in the Philippines to use GT-BTX® technology licensed from Sulzer GTC.
Aromatics Extraction Plant
_____ is an aromatics recovery technology that uses extractive distillation to remove benzene, toluene and xylene (BTX) from refinery, petrochemical or coke oven aromatics streams such as catalytic reformate, pyrolysis gasoline or coke oven light oil (COLO).
GT-BTX®
GT-BTX utilizes the _____ which provides optimum extractive distillation performance.
Techtiv-100® extractive distillation solvent
The flow scheme of the GT-BTX process consists of 2 columns:
• Extractive Distillation Column
• Solvent Recovery Column
Hydrocarbon feed is _____ and fed at a mid-point into the EDC
preheated with hot circulating solvent
_____ is fed at an upper point and selectively extracts thenaromatics into the tower bottoms in a vapor liquid distillation operation.
Lean solvent
The _____ exit from the top of the column. A portion of the overhead stream is returned to then top of the column as reflux, which washes back any entrained solvent.
non-aromatics hydrocarbons
Rich solvent from the bottom of the EDC is _____, where the aromatics are stripped overhead. The SRC is operated under a vacuum to reduce the boiling point at the bottom of the column.
routed to the SRC
_____ is passed through a heat exchanger before returning to the EDC, a small portion of the lean circulating solvent is processed in a solvent regeneration step to remove heavy decomposition products
Lean solvent from the bottom of the SRC
The SRC overhead mixed aromatics product is routed to the purification section, where it is fractionated to produce _____
• chemical-grade benzene
• toluene
• xylenes
_____ grades exhibit excellent chemical resistance and superior balance of stiffness and impact strength, making them ideal for a broad range of applications such as extrusion (blown film, pipe and monofilament) as well as injection compression, and blow molding of consumer, household and industrial products
EVALENE® High Density Polyethylene
_____ grades combine outstanding toughness, stretchability and good processability, making them a good choice for flexible packaging and film extrusion applications
EVALENE Linear Low Density Polyethylene
_____ grades offer excellent sealing properties for mu faster packing rates, which are preferred in the flexible packaging market segment, as well as outstanding tear, dart drop imp and optical properties which are suitable in the agricultural and industrial films market segments.
EVALENE PLUS Unimodal Metallocene Linear Low Density Polyethylene
_____ grades combine the superior mechanical properties of metallocenes with the ease of processing of bimodak, allowing further downgauging and increased incorporation of recycles. These properties am best applied in the design of high performance heavy duty bags as well as bottle caps for carbonated beverages which require outstanding environmental stress crack resistance (ESCR).
EVALENE PLUS Bimodal Metallocene
_____ grades are an excellent choice for a broad range of applications that require rigidity, stress induced tenacity, transparency, moisture barrier and hot-fill property.
EVALENE Homopolymer Polypropylene
_____ grades offer high clarity, light weight and excellent hot-fill property suitable for transparent rigid packaging containers.
EVALENE PLUS Random Copolymer Polypropylene