The invention relates to a liquid treatment method and apparatus for removing impurities from a liquid stream, comprising forming a zone of micro gas bubbles from a source (3) across substantially the whole surface area of a treatment vessel (12) which is situated above a filter bed (13), passing liquid to be treated into the vessel (12) above the inlet (3) for the air whereby the liquid passes in...

A shoot feeding apparatus includes a pile holder comprising opposed vertical walls (11, 12) between which sheets (14) are piled and a sheet feeder (15) for feeding sheets off the top of the pile in a direction (16) between the walls and parallel with the walls. The container includes a platform (13) for elevating the pile into contact with the sheet feeder, and pusher members (17) in one of the wa...

Fluid from a producing well is accumulated in an accumulator (10) and allowed to separate into free water, a water-continuous phase and an oil-continuous phase; the separated fluid flows through a monitor (30) having electrodes (104-106;152-157) exposed to the fluid; a power source (125) provides an AC voltage and current to the electrodes and provides an injection voltage signal (Vi) and an injec...

A process for coating a solid substrate with a layer of barium metaplumbate includes steps of forming a layer of lead oxide on the substrate, if not already present, and then reacting this layer with a barium salt at an elevated temperature to form a layer of coating of barium metaplumbate. Reaction temperature is a key aspect of this process, along with use of a barium salt which will react at th...

An inductor for drawing one fluid into another (e.g. air into fish-pond water) comprises an insert (12) located in a duct (10) to define narrowing (15, 16) and widening (19, 20) passages on either side. The first fluid, e.g. water, flows along these passages and draws the second fluid, e.g. air, into it via egress holes (24). A valve (25) can be moved in the duct to vary the size of the narrowing ...

A display having an array of matrix addressable pairs of electrodes mounted face up on the same substrate. The pairs of electrodes are derivatized with either electrochromic materials or electroluminescent material to form the pixels of the display. In the electrochromic embodiment of the invention, a layer of a solid polymer electrolyte is included. The air of electrodes may also be left clean of...

A device for correcting fine superficial facial lines which comprises a syringe fitted with a 31-33 gauge needle and an aqueous suspension of noncrosslinked fibrillar atelopeptide collagen contained within the syringe barrel, the concentration of collagen in the suspension being in the range of 10 to 50 mg/ml and the suspension exhibiting an extrusion plot in which there is a smooth substantially ...

Eine Vorrichtung zum Dosieren von in einem Gas/Feststoff-Strom vorliegenden Feststoff aus einer Wirbelbettapparatur (1), in der Gas und Feststoff als vorhomogenisierte, fliessfähige Mischung in einer Wirbelschicht (2) vorliegen, und in der wenigstens eine Auslassöffnung (3) zur Entnahme des Gas/Feststoff-Stroms in eine Auslaufleitung (4) vorgesehen ist, umfasst Mittel zur Einstellung eines zeitkon...

The invention relates to ink-jet printing machines consisting of juxtaposed printing modules. According to the invention, in each printing module the means (33) for generating the ink jets, the means (32) for deflecting the ink drops and the means (34) for recovering the undeflected drops are carried by a one-piece body (29) arranged on one face of a supporting beam (28); the opposite face of the ...

New additives for reducing the shrinkage of building materials containing Portland cement from the group of alkanediols with terminal OH groups of the general formula CnH2n(OH)2 (5

The invention relates to a process for heat recovery during sludge treatment, especially in the hygienisation of sewage sludge, in which raw sludge is maintained at a temperature of about 60 to about 62 DEG C in a reactor 1. It is proposed, for preheating of the raw sludge and for cooling of the hygienised sludge drawn off from the reactor 1, that a heat exchanger 5, which has at least two chamber...

The invention relates to a process for the processing of environmentally harmful industrial waste, particularly mineral residues, for example filter dusts resulting from the purification of flue gases from communal and industrial incinerators, where the dusts, together with binders, are expediently compressed to form stackable shaped bricks, preferably by the process of lime sand brick production,...

PCT No. PCT/SE89/00277 Sec. 371 Date Nov. 1, 1990 Sec. 102(e) Date Nov. 1, 1990 PCT Filed May 18, 1989 PCT Pub. No. WO89/11384 PCT Pub. Date Nov. 30, 1989.A sound absorbing and heat insulating fiber slab containing cellulose fibers which are bonded together with the aid of an inorganic, flame-proof binder is characterized in that the binder belongs to the group of polymeric silicates which dry at ...

A compsn. comprises (a) a resin, consisting of (i) a polyphenylene ether resin, (ii) a styrene resfn, or (iii) mixts. of (i) and (ii); (b) a styrenic grafted propylene polymer; (c) monoalkenyl aromatic hydrocarbon-conjugated diene block copolymers, hydrogenated prods. or mixts.; and (d) a propylene polymer. Amts. of (a), (b), (c) and (d) are 10-65 (pref. 20-60) wt.%, 5-30 (pref. 10-25) wt.%, 1-15 ...

A method of producing a porous ceramic filter, using a cordierite composition including a talc powder component and a silica powder component, such that particles of the talc power component and the silica powder component whose size is not less than 150 mu m constitute not more than 3% by weight of the cordierite composition, while particles of the talc and silica powder components whose size is ...

A disc reproducing apparatus (1) for reproducing a disc (15) on which at least image data in addition to audio data have been recorded. The disc reproducing apparatus comprises: means for forming a video signal on the basis of the image data; reproducing means for reproducing the video signal; input means for inputting control information to control the video signal reproduced; and control means f...

Medical or dental hardening compositions of the present invention comprise calcium phosphate type devitrification glass-ceramics powder containing apatite and/or calcium phosphate ceramics and a liquid component. The second medical or dental hardening compositions of the present invention comprise strontium phosphate type devitrification glass-ceramics powder containing strontium-apatite crystals ...

A neoprene body such as a plug boot (16) is secured to a polyurethane surface such as the jacket of an electrical connector, by etching the polyurethane surface, coating the etched surface (22) with a bonding agent, applying to the coated surface a neoprene film (24) and contacting the neoprene film with a quantity of neoprene (16) under suitable temperature and pressure.

Acid resistant concrete articles, especially sulfur concrete pipes manufactured from a material formulated on the basis of a composition of portland cement concrete suitable for the manufacture of pipes by means of the dry casting method, the volume of portland cement, filler and water being replaced by a substantially equivalent volume of sulfur cement and filler, while the amount of other compon...

Cholesterol and cholesterol esters are removed from egg yolk by a process wherein a) optionally after the addition of an emulsion-breaking agent to the egg yolk, the egg yolk plasma is separated from the LDL-granula fraction, b) cholesterol and cholesterol esters which are contained in the egg yolk plasma are adsorbed on a solid adsorption agent and c) the solid material loaded with cholesterol an...