Abstract:
Disclosed are a process and an apparatus for concentrating an organic acid by using a nitroalkane as an entrainer for the azeotropic removal of water from an aqueous organic acid solution. The nitroalkane may be the same as a nitroalkane that is the product of a high pressure nitration process that produces nitroalkanes and aqueous organic acid.
Abstract:
Disclosed are a process and apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by using a dividing wall column.
Abstract:
Monoalkyl glycol ether is separated from dialkyl glycol ether by phase separation using a hydrocarbon solvent, preferably with the addition also of water.
Abstract:
Disclosed are a process and apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by using a dividing wall column.
Abstract:
Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. By using an isothermal reactor with multiple input ports for aqueous nitric acid, a hydrocarbon feedstock may be sequentially exposed to a plurality of flows of aqueous nitric acid as it flows through the reactor.
Abstract:
Disclosed is an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. The apparatus may be designed such that it can synthesize more than one nitroalkane using the same equipment.
Abstract:
A tertiary alkanol such as tertiary butyl alcohol is converted in one step to an oligomer of the olefin corresponding to the alkanol by reacting a homogeneous solution of the alkanol and an acid catalyst at conditions effective to form the oligomer.
Abstract:
Disclosed is an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. The apparatus may be designed such that it can synthesize more than one nitroalkane using the same equipment.