Pelleted form

Calcium chloride cannot be used to dry the ethereal solution because it combines with aniline (and other amines) to form molecular compounds. The best drying agent is sodium or potassium hydroxide (pellet form). 

Coloring and Decorating. Commercial pigments that are thermally stable at the resin processing temperature maybe used. Pigments maybe dry-blended with the resin, or ETFE pellets may be blended with color concentrates, which are available ia pellet form. 

Ionomers are generally shipped in pellet form in the standard containers developed for large-volume polyolefins, eg, 500-kg boxes. Water-resistant liners are used to keep the products dry during shipment and storage. 

Sodium selenite has also been incorporated into styrene—butadiene mbber and used in a pellet form which results in the slow release of selenium into water. These pellets have been placed in lakes in Sweden which have fish contaminated with mercury owing to high levels of that element in the water. The selenium released by the pellets reacts with mercury to form insoluble, heavy mercury selenide which setties to the lake bottom and removes mercury from the ecosystem (126). 

This stock is discharged from the mixer to equipment that allows cooling and a convenient storage form, such as a mill or an extmder/die plate that yields a sheet or pelletized form. Usually the material is coated with a slurry of clay, calcium carbonate, or zinc stearate to prevent self-adhesion. 

Manufacturing of the flake and pellet forms requires melting of the various components. The mass solidifies upon cooling and can be flaked or pelletized according to need. 

Applications have largeU been for plastics in powder and pellet forms. By modifications, needed coohng operations have been simultaneously effected with transport to stock storage [Plost. Des. Process., 28 (December 1968)]. 

Activated carbon is an amorphous solid with a large internal surface area/pore strucmre that adsorbs molecules from both the liquid and gas phase [11]. It has been manufactured from a number of raw materials mcluding wood, coconut shell, and coal [11,12]. Specific processes have been developed to produce activated carbon in powdered, granular, and specially shaped (pellet) forms. The key to development of activated carbon products has been the selection of the manufacturing process, raw material, and an understanding of the basic adsorption process to tailor the product to a specific adsorption application. 

Toxic chemicals received in the form of pellets are not articles because the pellet form is simply a convenient form for further processing of the material. 

Solutions. Two substances on the list, ammonium nitrate and ammonium sulfate, are qualified by the term solution," which refers to the physical state of these chemicals. Solid, molten, and pelletized forms of these chemicals are exempt from threshold and release determinations. Only facilities that manufacture, process, or otherwise use these chemicals in the form of a solution are required to report. Supplier notification applies only if the chemical is distributed as a solution. 

Sodium hypochlorite is one of the best disinfectants known, capable of killing bacteria, yeasts, fungus, spores, and even viruses. Because it is an excellent disinfectant as well as a bleaching agent, it is used in many household cleaners. Sodium hypochlorite is also used to disinfect water supplies and swimming pools (although calcium hypochlorite in powder or pellet form is often used as a substitute, due to the convenience of its solid form). 

While the discovery of the catalytic properties of zeolites was driven by the desire to improve industrial prcKessing, the development of emission control catalysts was necessitated by governmental fiat. The first requirement was for 90+% removal of CO and of hydrocarbons, a goal which could not be met by oxidation with base metal oxides. To achieve the required spedfications during automobile operations, it was necessary to develop supported platinum catalysts. Originally the support was alumina in pellet form. Later platinum on cordierite was used in honeycomb form, containing 200-400 square channels per square inch. 

Synthesis of Polyethylene-tethered Phthalonitrile. Polyethylene monoalcohol ( 700 Daltons, 80% functionalized) in pellet form (6.0 g, 8.0 mmol) and anhydrous THF (62 mL) were added to a flask equipped with a magnetic stirring bar. This was allowed to stir for 2 hours before 4-nitrophthalonitrile (2.25 g, 13.0 mmol) was added to the mixture and the suspension heated to reflux. After the polymer had dissolved the CS2CO3 (4.22 g, 13.0 mmol) was added in three equal portions over 3 hours. After 24 hours the reaction was cooled to 60°C then poured into 500 mL of water with stirring. The precipitate was filtered and washed thoroughly with water until pH neutral. The product was then rinsed with A, V-DMF, THF and then dried under vacuum to yield 5.03 g of material. H NMR (toluene-dg, 100°C, 71% conversion) 5 6.86 (d), 6.59 (s), 6.41 (m), 3.41 (t), 3.37 (t), 1.31 (s), 0.88 (t). 

Gunpowder was supplied in pellet form as a propellant and the substitutes were similarly manufactured. They were therefore called powders. Subsequent developments have led to the provision of propellent explosives in special and often massive form. Nevertheless, the term powder is still retained for their nomenclature, and the individual unit of the charge, no matter how large, is still called a grain. 

Similar to blowing agent but generally applied only to those gas producing substances used, in pellet form, in moulding hollow balls and toys. Infrared Radiation... 

A machine for converting masticated rubber or mixed compound into pellet form. It consists of an extruder screw which forces the rubber through a drilled plate, the rods so formed being cut into small lengths and treated with a lubricant to prevent sticking. In some arrangements the cutting is performed underwater to improve partition. 

This section treats batch and fixed-bed operations and reviews process cycles and equipment. As the processes indicate, fixed-bed operation with the sorbent in granule, bead, or pellet form is the predominant way of conducting sorption separations and purifications. Although the fixed-bed mode is highly useful, its analysis is complex. Therefore, fixed beds including chromatographic separations are given primary attention here with respect to both interpretation and prediction. 

The solid 4-cyanopyridine N-oxide was burned in pellet form. To avoid incomplete combustion, it was necessary to burn the compound in conjunction with n-hexadccanc. The bomb of 340 cm3 internal volume was charged... 

Some PBT resins are sold in pelletized form directly from the resin polymerization reactor. These grades are produced as white, opaque pellets due to the presence of spherulites. Since all of the commercial methods for resin polymerization involve melt processes, PBT powder is only available by grinding the pellets. 

The desire to have catalysts that were uniform in composition and catalytic performance led to the development of synthetic catalysts. The first synthetic cracking catalyst, consisting of 87% silica (Si02) and 13% alumina (AI2O3), was used in pellet form and used in fixed-bed units in 1940. Catalysts of this composition were ground and sized for use in fluid catalytic cracking units. In 1944, catalysts in the form of beads about 2.5 to 5.0 mm in diameter were introduced and comprised about 90% silica and 10% alumina and were extremely durable. One version of these catalysts contained a minor amount of chromia (Cr203) to act as an oxidation promoter. 

Twintex G PP is based on commingled E-glass and polypropylene rovings. Delivered in pellet form, it is suitable for injection or extrusion-compression. Consolidation is again achieved by heating (180-230°C) under pressure. 

Decomposition of hydrogen sulfide. M0S2 catalyst either in layer form (see inner layer in previous column) or in pellet form (see alternative systems 1 and 2, below)... 

Figure 4.4 Bulk density as a function of temperature and pressure for an LORE resin in the pellet form. This is the same LORE resin used in the solids-conveying studies of Section 5.3.2...

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