Abstract: A method and flare burner apparatus for flaring inert vitiated waste gases in an efficient stable manner are provided. The apparatus is comprised of a first tubular member for discharging waste gases having an inlet end and a discharge end and a second tubular member positioned around at least the discharge end portion of the first tubular member whereby a discharge space is provided between the first and second tubular members around and adjacent the discharge end of the first tubular member. Burner means are disposed within the discharge space for discharging and igniting fuel gas therein and fuel gas conduit means are sealingly connected to the burner means for connecting the burner means to a source of fuel gas. Air conduit means are sealingly connected to the discharge space for connecting such space to a source of combustion air.

Abstract: An antifungal agent produced by cultivation of Zalerion arboricola is a cyclic lipopeptide with very high activity against human pathogens and of very low mammalian toxicity. Its production and isolation are also described.

Abstract: A flare gas burner is provided which is less susceptible to damage caused by internal and/or external burning. An internal protective liner is attached within the burner and an external protective covering is attached over the exterior of the burner and conduits associated therewith whereby the burner is shielded from flame impingement and excessive heat and an aerodynamically improved exterior surface is provided on the burner.

Abstract: Pyranyl ester compounds isolated from the fermentation of the species Penicillium are described. The compounds are useful as antifungal agents.

Abstract: A novel dioxa-diazacyclohexadecenetetrone isolated from the fermentation of a cyanobacterium (Nostoc sp.) is described. The compound is a new antifungal agent with a specificity generally toward filamentous fungi but also effective against Cryptococcus sp.

Abstract: An antifungal agent produced by cultivation of a yet unidentified microorganism is a cyclic lipopeptide with very high activity against human pathogens and of very low mammalian toxicity. Its production and isolation are also described.

Abstract: A novel pyrrolidinol isolated from the fermentation of Aspergillus ochraceus and certain derivatives thereof are described. The compounds are broad spectrum antifungal agents.

Abstract: The invention relates to a novel tri-yne carbonate of formula I. Such compound can be produced by isolating it from the fermentation broth of ATCC-53614, ATCC-53615 OR ATCC-53616. The tri-yne carbonate has antifungal activity.

Abstract: Hapalindolinone compounds are produced by the controlled aerobic fermentation of a cyanobacterium of the genus Fischerella, ATCC No. 53558.

Abstract: Apparatus for handling ash. A tank is filled with water and has the lower end thereof located at a substantial angle from horizontal. The tank is positioned beneath an incinerator to receive ash therefrom. An ash wheel having sectors defined by upright paddle elements has a portion thereof received beneath the water into which the ash falls and a portion thereof which extends over one edge of the tank. As the wheel rotates, ash is swept over the edge of the tank and onto a conveyor for disposal.

Abstract: A method and flare burner apparatus for flaring inert vitiated waste gases in an efficient stable manner are provided. The apparatus is comprised of a first tubular member for discharging waste gases having an inlet end and a discharge end and a second tubular member positioned around at least the discharge end portion of the first tubular member whereby a discharge space is provided between the first and second tubular members around and adjacent the discharge end of the first tubular member. Burner means are disposed within the discharge space for discharging and igniting fuel gas therein and fuel gas conduit means are sealingly connected to the burner means for connecting the burner means to a source of fuel gas. Air conduit means are sealingly connected to the discharge space for connecting such space to a source of combustion air.

Abstract: A flre for burning low pressure waste gas wherein kinetic energy is imparted to the gas in a device having a central conduit for the low pressure waste gas and a plurality of radial arms surrounding the central conduit to which are supplied high pressure fluids at a steep upward angle to impart time-turbulence and temperature for creating `stand-up` flare burning substantially unaffected by wind.

Abstract: Methods and apparatus for combusting fuel-air mixtures while inhibiting the formation of nitrogen oxides are provided. The fuel is discharged from one or more nozzles disposed within a housing, air is caused to flow into the housing whereby it mixes with the fuel and the resulting fuel-air mixture is ignited and combusted. The nozzle or nozzles each include one or more ignition orifices for discharging a first portion of fuel in an ignition zone, one or more primary combustion orifices for discharging a second portion of fuel in a primary combustion zone containing excess air and one or more secondary combustion orifices arranged for discharging the remaining portion of fuel in the form of high velocity jets shielded by slower moving fuel within and downstream of the primary combustion zone whereby the fuel is burned in a secondary combustion zone substantially isolated from direct contact with incoming air by the primary combustion zone.

Abstract: A flare gas burner is provided which is less susceptible to damage caused by internal and/or external burning. An internal protective liner is attached within the burner and an external protective covering is attached over the exterior of the burner and conduits associated therewith whereby the burner is shielded from flame impingement and excessive heat and an aerodynamically improved exterior surface is provided on the burner.

Abstract: Methods and apparatus for combusting fuel-air mixtures while inhibiting the formation of nitrogen oxides are provided. The fuel is discharged from one or more nozzles disposed within a housing, air is caused to flow into the housing whereby it mixes with the fuel and the resulting fuel-air mixture is ignited and combusted. The nozzle or nozzles each include one or more ignition orifices for discharging a first portion of fuel in an ignition zone, one or more primary combustion orifices for discharging a second portion of fuel in a primary combustion zone containing excess air and one or more secondary combustion orifices arranged for discharging the remaining portion of fuel in the form of high velocity jets shielded by slower moving fuel within the downstream of the primary combustion zone whereby the fuel is burned in a secondary combustion zone substantially isolated from direct contact with incoming air by the primary combustion zone.

Abstract: A flare gas burner is provided which is less susceptible to damage caused by internal and/or external burning. An internal protective liner is attached within the burner and an external protective covering is attached over the exterior of the burner and conduits associated therewith whereby the burner is shielded from flame impingement and excessive heat and an aerodynamically improved exterior surface is provided on the burner.

Abstract: A smoke suppressing flare gas burner is provided which is less susceptible to damage caused by internal and/or external burning. An external protective covering is attached over the exterior of the burner as well as smoke suppressant and pilot flame conduits associated therewith whereby the burner is shielded from flame impingement and excessive heat and an aerodynamically improved exterior surface is provided on the burner.

Abstract: A flare gas burner is provided which is less susceptible to damage caused by internal and/or external burning. An external protective covering is attached over the exterior wall surfaces of the burner and an internal protective covering is attached within the interior of the burner. Conduits associated with pilot flame burners and ignitors are disposed within the flare gas burner and within the internal covering therein whereby they are shielded from flame impingement and excessive heat.

Abstract: Flare stack burning of waste gases utilizes available low pressure steam by sequential steam injection as a function of the demand for smokeless combustion.

Abstract: A large capacity air-powered flare for smokeless combustion of very large volumes of vented waste gases, comprises a first inner vertical conduit of diameter D1, for the flow of waste gas, and a second larger coaxial conduit of diameter D2, for the flow of primary combustion air, at a selected velocity in the annular space therebetween. Above the top the inner conduit there is a cylindrical obstruction of diameter D3 which is greater than D1, but less than D2. This forces the upwardly flowing gases to be deflected outwardly and upwardly into the second annular space between the obstruction and the outer conduit. The velocity of primary combustion air in the second annular space is at least 50 f.p.s., which serves to thoroughly mix with the inflowing gases so that as they rise through the second annular space they continue flowing above the top of the flare as an annular wall of high velocity gas, air and flame. This high velocity annular flow has large surface area on the outside and inside.