Gas Adsorption Process

Polymer Companies in the Philippines

• JG Summit Petrochemical Corporation produces a full range of premium fuels and petrochemicals with a capacity of nearly 270,000 barrels per day.
• Philippine Polypropylene, Inc. (PPI) produces polypropylene and polyethylene in Batangas.
• NPC Alliance produces polyethylene in Bataan.
• Philippine Resins Industries, Inc. produces polyvinyl chloride in Bataan.
• Chemrez Technologies, Inc. produces unsaturated polyester (UPH) in Quezon City.

Alphatec Chemical Corporation

• The country's leader in polymer technology, manufacturing premium quality polymer and cementitious grouts and adhesives.
• Exclusive manufacturer/distributor and applicator of all Aphatec brands, sharing technology and product innovation with Alpha Kogyo KK.

Other Polymer Companies

• Polymaster: Australia's most trusted poly tank manufacturer since 1994, manufacturing innovative products for industrial, residential, and agricultural applications.
• Polymer: Pioneer and leading supplier of polyester resin and auxiliaries to the Philippines' Fiberglass Reinforced Plastic (FRP) Industry.

JGSOC

• The largest manufacturer of polyolefins in the Philippines, producing polyethylene and polypropylene resins.
• The first and only integrated PE and PP resin manufacturer in the country.

Petrochemical Production

• Naphtha cracking is a pivotal process in petrochemical production, yielding essential olefins used in manufacturing plastics and other materials.
• Feedstock selection: Naphtha, a mixture of hydrocarbons, is chosen for its high content of paraffin and lower boiling range.
• Thermal cracking: Conducted in a tube-still furnace at temperatures above 800°C.
• Process optimization: Short residence time and high-speed passage through heater tubes prevent the formation of undesirable heavy products and coke.

Stages of Petrochemical Production

• Feedstock (First-generation Petrochemicals): Obtained from crude oil refining and catalytic processes, including hydrocarbon gases, naphtha, benzene, toluene, and xylene.
• Catalytic reforming: Generates a variety of products, including olefins, branched or isoparaffins, and aromatics.

Techniques for Pressureless Processing

• Casting: Used to produce thick-walled articles, embeddings, sheets, and blocks made of polystyrene, polyamides, and polymethylmetacrylate.
• Dipping
• Coating
• Foaming

Bulk Polymerization

• A method that employs only the monomer molecule, an initiator, and a chain transfer agent (if necessary) to obtain the purest form of polymer.
• Can be used for casting objects of various shapes.

Solution Polymerization

• Involves adding an inert solvent to the reacting components, enhancing heat capacity and facilitating heat transfer.
• Reduces reaction rate and molecular weight of compounds compared to Bulk Polymerization.

Suspension Polymerization

• Developed to control the enormous amount of heat release in Bulk Polymerization.
• Involves adding a solvent to the reaction mixture, which is then dispersed in the form of droplets.

Physical Adsorption

• Molecular sieves (zeolites) are widely used to adsorb large amounts of gases.
• Can be regenerated by passing hot dry fuel gas through the bed.

Chemical Absorption (Chemisorption)

• Characterized by a high capability of absorbing large amounts of acid gases.
• Diethanolamine is a favored absorbent due to its lower corrosion rate, smaller amine loss potential, and minimal reclaiming needs.

Water Removal

• Various techniques are employed, including glycol dehydration, solid adsorbents, and others.

This quiz covers the physical adsorption process, including the use of molecular sieves and regeneration techniques. It explains how gas adsorption works and its applications.