1
Lothar Reh, Martin Hirsch, Per H Collin, Sune N Flink: Process for burning carbonaceous materials. Metallgesellschaft Aktiengesellschaft, Karl F Ross, August 28, 1979: US04165717 (91 worldwide citation)

Carbonaceous material, preferably coal or like finely divided solids with a mean particle diameter of 30 to 250 microns, is burned to produce steam in a fluid-bed furnace having a lower free space without internal fixtures and provided above this free space with internal cooling surfaces. A secondar ...


2
Erik Aalrust, Wolfgang Beyer, Hans Ottofrickenstein, Georg Penk, Hermann Plainer, Roland Reiner: Enzymatic treatment of edible oils. Rohm, Metallgesellschaft, November 23, 1993: US05264367 (80 worldwide citation)

The content of phosphorus-containing components and the iron content of an edible vegetable or animal oil, preferably an oil such as soybean oil which has been wet-refined to remove mucilage, are reduced by enzymatic decomposition by contacting the oil with an aqueous solution of phospholipases A.su ...


3
Lothar Reh, Martin Hirsch, Ludolf Plass: Method of and apparatus for carrying out an exothermic process. Metallgesellschaft Aktiengesellschaft, Karl F Ross, September 5, 1978: US04111158 (68 worldwide citation)

A method of and apparatus for carrying out an exothermic process in which a combustible-containing solid (e.g. coal shale, pyrite or limestone in combination with fuel oil) are burned in a fluidized-bed reactor with primary and secondary streams of oxygen-containing combustion-sustaining gas (in a v ...


4
Rudolph Paul, Kapp Ernst: Open-cycle gas turbine plant. Metallgesellschaft Aktiengesellschaft, May 8, 1973: US3731485 (62 worldwide citation)

In a process of operating an open-cycle gas turbine plant supplied with gaseous fuels and combustion air, wherein the gas turbine is immediately supplied with the gases departing from the combustion chamber and the gaseous fuels and/or the combustion air are enriched with water vapor lowering the te ...


5
Aalrust Erik, Beyer Wolfgang, Ottofrickenstein Hans, Penk Georg, Plainer Hermann Dr, Reiner Roland Dr: Enzymatic method for reducing the amount of phosphorous-contaning components in vegetable and animal oils.. Roehm, Metallgesellschaft, November 19, 1992: EP0513709-A2 (59 worldwide citation)

Der Gehalt an phosphorhaltigen Bestandteilen, inbesondere Phosphatiden, wie Lecithin, sowie der Eisengehalt in pflanzlichen und tierischen, vorzugsweise vorentschleimten Ölen, z.B. Sojaöl, werden erfindungsgemäss durch enzymatischen Abbau mittels Phospholipase A1, A2 oder B vermindert.


6
Ekkehard Weber: Apparatus for dedusting a gas at high temperature. Metallgesellschaft Aktiengesellschaft, Michael J Striker, September 20, 1994: US05348571 (58 worldwide citation)

The apparatus for dedusting a gas by electrostatic precipitation includes an advantageously steel housing and a plurality of discharge electrodes and collecting electrodes arranged in the housing. Each of the electrodes is made of a ceramic material and has an electrically conducting layer on at lea ...


7
Hans Martin Stonner, Paul Wiesner: Process for removing monohydric and polyhydric phenols from waste water. Metallgesellschaft Aktiengesellschaft, Burgess Dinklage & Sprung, May 24, 1977: US04025423 (58 worldwide citation)

Monohydric and polyhydric phenols are removed from waste water together with hydrogen sulfide, free and combined ammonia, by extraction and distillation. The waste water is formed during the degasification or gasification of coal and is subsequently subjected to biological purification.


8
Hermann Mickal, Hartmut Gaul, Walter Schmidt, Franz Neulinger, Helmut Schummer: Power supply for an electrostatic filter. Metallgesellschaft, Siemens, Kenyon & Kenyon, October 18, 1988: US04779182 (57 worldwide citation)

In order to scrub a waste gas, for example, of foreign matter by means of an electrostatic filter, a power supply is provided which contains a converter whose output feeds the primary winding of a high-voltage transformer. The secondary winding is connected to the electrostatic filter via a high-vol ...


9
Hans Beisswenger, Georg Daradimos, Martin Hirsch, Ludolf Plass, Harry Serbent: Method of producing fuel gas and process heat fron carbonaceous materials. Metallgesellschaft Aktiengesellschaft, Felfe & Lynch, April 24, 1984: US04444568 (56 worldwide citation)

In a process of simultaneously producing fuel gas and process heat from carbonaceous materials wherein the carbonaceous materials are gasified in a first fluidized bed stage and the combustible constituents left after the gasification are subsequently burnt in a second fluidized bed stage the throug ...


10
Hans Beisswenger, Wolfgang P Frank, Alexander T Wechsler: Integral fluidized bed heat exchanger in an energy producing plant. Metallgesellschaft, Felfe & Lynch, January 5, 1988: US04716856 (55 worldwide citation)

Disclosed is an apparatus and process for an energy producing plant utilizing a circulating fluidized bed system having an integral fluidized bed heat exchanger, the fluidized bed reactor and integral heat exchanger having a common wall with at least one perforation for fluid communication therebetw ...