Abstract: Processes and devices for reducing impurities in halogen salts, where the halogen salt is brought into contact with an active metal. The halogen salts purified in this way are suitable for use as high-temperature storage materials in thermal power plants and for industrial process heat, or as electrolytes in batteries.

Abstract: A sowing device changes a depth of wheat sowing includes an external skeleton, where one side of the external skeleton is fixedly connected with a connection part for articulated with a tractor; a main board slidably connected to an interior of the external skeleton and a seeding unit below the main board; a support frame fixedly connected to the main board; a plow blade for slotting land rotatably connected to a bottom of the support frame; a rotary roller below the external skeleton and rotationally connected thereto. The main board is moved downwards to drive a straight toothed plate fixedly connected to the main board to move downwards; the straight toothed plate is moved upwards through a meshing effect of a gear to cause L-shaped toothed plate to move upwards to squeeze a horizontal plate to move upwards.

Abstract: Provided are a method for processing titanium extraction slag and a carbon extraction and dechlorination tailing. The method comprises the following steps that a titanium extraction slag raw material is ground to obtain a treated material with a particle size being 0.3˜120 ?m and d90?90 ?m; a first solvent and a treated material are mixed with a liquid-solid ratio of (3.5˜4.

Abstract: The invention relates to a process and devices for reducing impurities in molten salts, a molten salt being purified in an electrochemical process by applying a voltage between two electrodes. According to the invention, the voltage is varied so that in different phases different electrodes act as cathode or anode.

Abstract: Provided are a method for processing titanium extraction slag and a carbon extraction and dechlorination tailing. The method comprises the following steps that a titanium extraction slag raw material is ground to obtain a treated material with a particle size being 0.3˜120 ?m and d90?90 ?m; a first solvent and a treated material are mixed with a liquid-solid ratio of (3.5˜4.

Abstract: The present application refers to a method for the reduction of the corrosiveness of a heat storage or heat transfer fluid material for the high-temperature range and a device for said method. The respective heat storage or heat transfer fluid material obtained by the method may be used in solar thermal power plants, conventional fossil power plants with higher flexibility, pumped thermal energy storage, combined heat and power plants, intermediate storage of high-temperature process heat, or in sensible heat storage with molten salts.