Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft

Man Technologie Gmbh

Wolfgang Bulang

Ernst-Michael Reichle

Helmut Michel

In the case of an electrostatic diesel exhaust filter the corona electrode and the collecting electrode are supplied with direct voltage with an AC component so as to obtain and even discharge. A catalyst, preferably in a noble metal catalyst, may placed upstream from the electrostatic filter in the exhaust gas pipe so that the hydrocarbons also contained in the exhaust gas may be oxidized.

Electrostatic filter for removing particles from diesel exhaust

A method of recovering water from atmospheric air wherein during an adsorption phase, cool, humid air is transported through a water-adsorbent material for adsorption of water vapor therefrom and wherein during a desorption phase warmer, drier air is transported through the adsorbent material for pickup of water from said adsorbent material, said desorption phase comprising the steps of generating a first air stream in a closed-loop path through a heater for heating the first air stream and thence to the adsorber material and back through heater, continuing step (a) for a predetermined time, generating a second air stream by divering a portion of the first air stream for circulation from the adsorber material through a condenser for yielding water therefrom by condensation, and joining the second air stream to the first air stream after passage of the second air stream through the condenser, whereby the second air stream may be heated by the heater and passed through the adsorbent material.

Method and apparatus for the recovery of water from atmospheric air

A process and a plant for the recovery of water from humid air are disclosed. Humid ambient air flows through an adsorber in which an adsorbing agent removes moisture from the air by adsorption. Subsequently, air heated by an air heater and delivered by a fan flows through the adsorber in order to recover by desorption the moisture from the moistened adsorbing agent. Thereafter, the water vapor-containing air is precooled in a counterflow heat exchanger and subsequently conducted into a condenser in which heat is extracted from it by means of a heat pump so that the water vapor condenses and is available in the form of liquid water. The air cooled and dried in the condenser is utilized in the counterflow heat exchanger for precooling the air fed into the condenser. The heat given off by the heat pump is supplied to the air heater in order to be utilized therein for heating the air flowing through the air heater.

Process and plant for the recovery of water from humid air

A process and an apparatus for recovering water from moist gas, e.g., humid air, are disclosed. The apparatus comprises fans, solar energy collectors, moisture absorber beds, and heat-accumulators which are connected by conduit means in such a manner that in a first reaction stage, e.g., at night time, moist gas, e.g., humid air, is sucked into the apparatus, is divided into two partial flows, the first of which is passed through the absorber beds in parallel or in series, whereby water is absorbed in the absorber beds, and then discharged and the second of which is passed through the heat-accumulators in series and then discharged, and that in a second reaction stage, e.g., during the daytime, a flow of gas is, preferably repeatedly, circulated in series from the fan through the solar energy collectors and absorber beds which are connected in alternating sequence and then through the heat-accumulators in series and back to the fan, whereby water is re-desorbed from the absorber beds and condensed on the surfaces of the heat-accumulators.

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Eichenau, Germany

Wolfgang Bulang