Abstract: A process for mechanochemically activating treatment of crude oil from petroleum and of hydrocarbon mixtures like crude oil but of different, e.g. synthetic origins, is characterized in that the crude oil or similar, if need be after separation of the usual additional water, salts, insoluble impurities, washable acids or compounds with acid reactions, and expulsion of dissolved gaseous components, is treated in a pinned-disk or cage mill known as a "disintegrator" such that every single droplet of oil is exposed on a statistical average to 3 to 12 beats during a period of 0.001 to 0.01 seconds. Improved properties are thus imparted to the products, affecting both processing and the use of the processed products.

Abstract: A method of regenerating and reactivating inactive cement is disclosed. The method is performed in a disintegrator which includes a pin mill having beating pins arranged on two parallel counterrotating grinding disks in concentric alternating rings of increasing diameter. Inactive cement particles of a grain size of 7 to 10 mm are subjected to 3 to 8 mechanical beats within a time period of 0.01 to 0.001 seconds in the disintegrator and broken into separate particles of the original fineness or finer. In this manner, the separate particles are released from hydrated surface layers the cement particles thereby liberating non-hydrated layers.

Abstract: There is disclosed a process for preparing fertilizers containing dicalcium phosphate from phosphates of mineral origin by mechanical activation. According to the invention grains larger than 5 mm of the sized or unsized starting phosphate compound of mineral origin are granulated up to a grain size of 1 to 4 mm, the granulated phosphate obtained is admixed with monocalcium phosphate and the phosphate crystals are activated by colliding the grains of the mixture at a speed of 70 to 120 m/sec.The fertilizer prepared according to the invention possesses numerous advantages over the known phosphate fertilizers from technological and applicational point of view as well.

Abstract: An argillaceous and/or calcareous material, such as a fuel shale, for example an oil shale, which is capable of yielding a cement clinker, is subjected to mechanical disintegration by the particles formed thereby to repeated acceleration and retardation within a period of less than about 0.05 second, thereby homogenizing and activating them, and then sintering the disintegrated material at a temperature between about 900.degree. and about 1300.degree. C for a period between about 3 and about 10 minutes, to form a cement clinker. Other materials such as SiO.sub.2, CaO and R.sub.2 O.sub.3 (Al.sub.2 O.sub.3 or Fe.sub.2 O.sub.3) may be admixed to improve clinker properties. The sintered clinker may be further subjected to mechanical disintegration in an impact-type disintegration.

Abstract: The invention concerns a process for solubilizing alumina in minerals, rocks or industrial waste products, in which the starting material in finely divided form is mixed with lime in an amount 1 to 3 moles or more of lime (CaO or Ca(OH).sub.2) for each mole of alumina and optionally 1 mole for each mole of any silica present in the starting material, and at the same time or thereafter with water, the resulting mix is maintained under hydrothermal conditions until the alumina has become solubilized by reaction with the lime, and the product is if necessary comminuted to bring it to a form suitable for leaching out of the solubilized alumina.

Abstract: In a method of processing fuel shale to produce energy and cement clinker at the same time, oil shale and/or coal shale are disintegrated, homogenized and activated in a pin beater mill or vibrating mill. The effect of the treatment is monitored by X-ray microanalysis and the treatment is automatically controlled. The admixtures required for the production of a cement having the desired quality are added simultaneously at controlled rates. The thus treated material is then burnt in a boiler plant, preferably at combustion temperatures up to 1400.degree.C and with simultaneous sintering, whereby ash and/or slag is formed which contains at least 60% cement clinker. Said cement clinker is separated from the residual ash and slag and in an impact-type mill is disintegrated in such a manner that each clinker particle is subjected to 3-8 impacts within a time of preferably less than 0.