Abstract: The present invention concerns a method for the removal of radionuclides from water, wherein at least one absorption additive that has an absorptive effect on the nuclides and at least one filter device that is impermeable to the adsorption additive and the nuclides absorbed thereon are used. An improved removal rate is achieved with reduced equipment expenditure when an adsorption layer is formed from the adsorption additive on an inflow-side surface of the respective filter device.

Abstract: A description is given of a sewage treatment plant, in particular a small sewage treatment plant, having at least one activation tank for wastewater and/or having at least one secondary clarification tank for wastewater, wherein the activation tank and/or the secondary clarification tank are charged with shaped bodies which are freely floating in the wastewater, which is distinguished in that it has at least one filtration appliance for wastewater purification, which filtration appliance comprises at least one ceramic-based membrane for separating off microorganisms.

Abstract: A description is given of a sewage treatment plant, in particular a small sewage treatment plant, having at least one activation tank for wastewater and/or having at least one secondary clarification tank for wastewater, wherein the activation tank and/or the secondary clarification tank are charged with shaped bodies which are freely floating in the wastewater, which is distinguished in that it has at least one filtration appliance for wastewater purification, which filtration appliance comprises at least one ceramic-based membrane for separating off microorganisms.

Abstract: A filter unit includes at least one ceramic filter and at least one mounting that liquid-tightly secures the filter in the mounting in such a way that a filtrate outflow via an interior portion of the filter through the mounting is provided, the filter being secured in the mounting by adhesive bonding with an adhesive.

Abstract: The invention relates to a method for carrying out the functional check and a functional checking of a technical unit, comprising the following steps, creation of a check program, by selection and storage of control commands from a number of control commands held in a data bank, depending upon the unit for checking, input of the check program which defines a number of control commands and the sequence thereof into a controller, output of the control commands to the unit in the defined sequence and receiving and displaying of returned information from the unit. The invention further relates to a corresponding device.

Abstract: A carabiner consisting of a C-shaped, elongated body member and an elongated closure member pivotally movable on one longitudinally terminal portion of the body member toward and away from a closing position in which both members jointly constitute a closed loop. The body portion is made from a tubular blank whose relatively heavy-walled end portions are of smaller diameter than the thinner-walled central portion. The longitudinally terminal portions of the body member are shaped by flattening the reduced end portions of the blank so that these terminal portions need not be machined to provide the necessary smooth internal contour of the closed carabiner.