Abstract: The present invention relates to a hydrated-lime-based composition, to a method for producing such a composition and to the use thereof for treating fumes or flue gases (by means of a dry or substantially dry treatment process), in particular to reduce the chlorine, sulphur and halogen compounds in exhaust gases or flue gases, especially acid flue gases. Said composition comprise a high surface area hydrated lime, a first additive selected from NaCl, Na2SO4 and CaCl2, a sodium compound selected from NaOH, Na2CO3 and NaI— and less than 5% by weight water.

Abstract: A pierce and fill connector cap for a vial sealed by an elastomeric septum includes a vial collar and a needle holder. The vial collar body defines a collar aperture to be positioned in overlying registry with the septum of the vial, and the needle holder includes a needle holder body providing a means for holding an elongate needle in registry with the collar aperture. The needle holder body being moveable with respect to said vial collar between a first position spaced from the vial collar and a second position proximate the vial collar, such that a needle held by the needle holder will puncture through the vial septum.

Abstract: Disposable components for a separation and purification system include a flow cell, an end cap for a chromatography column, and a chromatography column useful for medium-pressure liquid chromatography (MPLC).

Abstract: Calcium hydroxide particles with very high reactivity exhibiting an X-ray diffraction line at d=0.49 nm obtained by the Debye-Scherrer powder method with an intensity below 50% of the intensity of a traditional hydrated lime with a specific surface area of 15.8 m2/g.

Abstract: Process for recycling a plastic, according to which the plastic is brought into contact with a solvent capable of dissolving the same and the plastic dissolved in the solvent is precipitated using a non-solvent in the presence of a phase-separating agent, in which the phase-separating agent is compatible with the solvent and incompatible with the non-solvent, and is also present when the plastic is brought into contact with the solvent, and improves the dissolution of the plastic by the solvent.

Abstract: Process for manufacturing a mixture based on a plastic and on at least one additive, according to which: 1. the plastic in the form of powder or of pellets is dissolved in a solvent; 2. the additive(s) is/are introduced into the solution after or during the dissolution; 3. the precipitation of the plastic in solution is brought about by injecting a non-solvent.

Abstract: A method of and a device for controlling the orientation and the alignment of individual sheets of paper travelling on a sheet conveyor are provided. Each sheet passes over a pair of closely spaced rotating disks inserted between upstream and downstream sheet conveyor sections. Each sheet is locally engaged with each disk in a limited contact area. The contact areas between the sheet and each disk are varied so as to achieve a target orientation or alignment of the sheet.

Abstract: A method of and a device for controlling the orientation and the alignment of individual sheets of paper travelling on a sheet conveyor are provided. Each sheet passes over a pair of closely spaced rotating disks inserted between upstream and downstream sheet conveyor sections. Each sheet is locally engaged with each disk in a limited contact area. The contact areas between the sheet and each disk are varied so as to achieve a target orientation or alignment of the sheet.

Abstract: Process for recycling a plastic, according to which the plastic is brought into contact with a solvent capable of dissolving the same and the plastic dissolved in the solvent is precipitated using a non-solvent in the presence of a phase-separating agent, in which the phase-separating agent is compatible with the solvent and incompatible with the non-solvent, and is also present when the plastic is brought into contact with the solvent, and improves the dissolution of the plastic by the solvent.

Abstract: The invention relates to a method for the preparation of a special calcium and/or magnesium hydroxide in which CaO and/or MgO is reacted with water in the presence of an additive selected among ethylene glycol, diethylene glycol, triethylene glycol, monoethanolamine, diethanolamine, triethanolamine and mixtures thereof, the weight ratio additive to CaO and/or MgO being greater than 0.002:1.

Abstract: A conglomerated material based on metallurgical by-products and characterized in that it contains 2-10% of fibers, 9-25% wt of an alkaline earth metal hydroxide, and % wt of water.

Abstract: A process is shown for treating flue or exhaust gases in order to remove sulfur oxides and hydrochloric acids in which calcium hydroxide having a surface area of at least 25 m.sup.

Abstract: A process is shown for treating flue or exhaust gases in order to remove sulfur oxides and hydrochloric acids in which calcium hydroxide having a surface area of at least 25 m.sup.2 /g and a moisture content lower than 50% is injected in the gases to be treated either alone, or in a mixture with magnesium hydroxide. The calcium hydroxide used in the process is prepared by reacting quicklime or dolomitic quicklime with water in the presence of a glycol or an amine companion additive.

Abstract: An oven with air convection combustion, particularly for bakehouses (bread, pastries, cakes), to achieve considerable economy of energy and to improve efficiency has primary and secondary air circuits sealed and closed, the secondary air being heated in ducts surrounding the fire-box and exhaust conduits and admitted into the baking chamber through adjustable nozzles. The cooled secondary air leaving oven is recycled by the a turbine. A vapor generator is formed from metal tubes extending into the exhaust gas conduit and the vapor is fed to a ramp pierced with calibrated holes disposed vertically in the baking chamber through which it is disposed into the chamber after being saturated by a water injector.

Abstract: Natural or synthetic gypsum is reacted with quicklime in any desired proportions, the heat needed for the complete conversion of gypsum in plaster being supplied, on the one hand, by the exothermic reaction of hydration of the quicklime and, on the other hand, by an external supply of calories obtained by indirect heating of the reaction mixture. This indirect heating may be effected by convection and conduction or by radiation from a metallic wall.

Abstract: In a process and apparatus for measuring qualitatively and quantitatively at least one volatile fraction contained in a solid, a sample of a given weight of the solid is introduced in a first enclosure having a known internal capacity, the sample is then brought up to a temperature beyond the temperature at which said volatile fraction becomes gaseous in the first enclosure, the gasified volatile fraction is allowed to become distributed both in said first enclosure and in a second enclosure connected to the first enclosure, the second closed enclosure having previously been brought to a constant temperature having a known value which is higher than the temperature at which the gasified volatile fraction becomes liquid, and the pressure increase which occurs in the whole system due to the gasification of said volatile fraction is measured.