摘要:
The present invention relates to a process for the production of a filamentous fungus whole broth enzyme composition with low biomass formation and high protein yield, a genetically modified filamentous fungus cell for production of the whole broth enzyme composition, the use of such a genetically modified filamentous fungus cell for the production of the filamentous fungus whole broth enzyme composition with low biomass formation and high protein yield and a filamentous fungus whole broth enzyme composition produced by such a method.
摘要:
The present invention is directed to a polysaccharide foil comprising a polysaccharide polymer and a plasticizer, wherein the polysaccharide polymer originates from fermentation of a bacterium or a fungus such as Ascomycota. The invention further relates to the use of the polysaccharide foil and a method for its production.
摘要:
A novel mixed oxide material is disclosed which comprises molybdenum, vanadium, tellurium and niobium and the use of the mixed oxide material as catalyst for the oxidative dehydrogenation of ethane to ethene or the oxidation of propane to acrylic acid and a process for producing the mixed oxide material.
摘要:
The invention relates to a catalyst for the methanation of carbon monoxide and/or carbon dioxide, said catalyst comprising aluminium oxide, an Ni-active substance and Mn and being characterised in that the molar Ni/Mn ratio in the catalyst is 3.0 to 10.0, preferably 4.0 to 9.0 and especially preferably 5.5 to 6.5. The catalyst is characterised by an increased activity with high selectivity and stability. The invention also relates to a method for producing a catalyst according to the invention, comprising the steps: a) co-precipitation from a solution containing Al, Ni and Mn in dissolved form in order to obtain a precipitate; b) isolation of the precipitate from step a); c) drying the isolated precipitate from step b); and d) calcination of the dried precipitate from step c).
摘要:
The invention relates to a method for producing a bimetallic catalyst containing palladium and platinum on a zeolitic carrier material, to a bimetallic catalyst that can be obtained by means of the method, and to the use of the catalyst in oxidation catalysis.
摘要:
The invention relates to a method for producing a catalytic composition, wherein the catalytic composition has a high activity and selectivity with regard to the oxidation of CO and a reduced activity with regard to the oxidation of NO. The invention also relates to the catalyst produced using the method according to the invention. Finally, the invention is directed towards an exhaust-gas cleaning system which comprises the catalyst according to the invention.
摘要:
A pyroglutamic acid ester of formula (1) in which A represents a C2 to C4 alkylene group; x represents a number from 1 to 100; R′ represents an aliphatic, cycloaliphatic or aromatic radical that contains at least one structural unit of formula 2, and; y represents a number from 1 to 100. The use of these pyroglutamic acid esters in quantities of 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases that are connected to a gaseous, liquid or solid organic phase.
摘要:
The invention relates to a method for producing a bimetallic catalyst containing palladium and platinum on a zeolitic carrier material, to a bimetallic catalyst that can be obtained by means of the method, and to the use of the catalyst in oxidation catalysis.
摘要:
A device for adsorption treatment of a fluid or fluid stream, comprising a container for receiving adsorber material, wherein the container has a fluid inlet opening and a fluid outlet opening, and two fluid connection devices, wherein one of the fluid connection devices is provided at the fluid inlet opening and the other one of the fluid connection devices is provided at the fluid outlet opening, wherein the fluid connection devices are locked in a fluid-tight manner and are designed in such a way that they can each be connected to a fluid line connector and unlocked and, if they are connected to the respective fluid line connector they can be unlocked or are unlocked.
摘要:
The present invention relates to alkylphenol-aldehyde resins containing oligo- or polymers having a repeat structural unit of the formula where R1 is a branched alkyl or alkenyl radical which has from 10 to 40 carbon atoms and bears at least one carboxyl, carboxylate and/or ester group, R2 is hydrogen or R1 R3 is hydrogen or an alkoxy group of the formula -(A-O)m—H, A is a C2- to C4-alkylene group, m is from 1 to 100, R4 is hydrogen, a C1- to C11-alkyl radicals or a carboxyl group, R5 is C1-C200-alkyl or -alkenyl, O—R6 or O—C(O)—R6, R6 is C1-C200-alkyl or -alkenyl, n is from 1 to 100 and k is 1 or 2.