Patents by Inventor Arend-Jan Zeeuw
Arend-Jan Zeeuw has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220290370Abstract: The present invention relates to a process for manufacturing an upgraded bio-oil derived from black liquor, comprising the following steps: —Providing black liquor, which comes from the pulp and paper manufacturing industry; —Subjecting black liquor to a pyrolysis treatment with formation of a pyrolyzed black liquor gas and a solid mass, which comprises char and salts; —Catalytic conversion of said pyrolyzed black liquor gas by contacting at least part of the latter with a bi-metallic modified zeolite catalyst with formation of the upgraded bio-oil, which comprises benzene, toluene, xylene (BTX), naphthalene and non-BTX products.Type: ApplicationFiled: August 27, 2020Publication date: September 15, 2022Inventors: Johan Martens, Sambu Radhakrishnan, Loes Verheyden, Arend Jan Zeeuw, Bart De Waele, Robert Henry Carr, Nathalie Meyer
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Patent number: 10927498Abstract: A process for the preparation of small aromatic compounds from black liquor comprising: providing black liquor that derives from alkaline treatment of wood chips; subjecting the black liquor to a pyrolysis treatment to yield a pyrolysed black liquor gas and a solid mass comprising char and salts in a first reactor, wherein the salts substantially derive from the treatment of black liquor; contacting at least part of the pyrolysed black liquor gas with a catalyst in a second reactor, which is different from the first reactor to provide a conversion treatment to yield a conversion product; and recovering small aromatic compounds from the conversion product.Type: GrantFiled: September 22, 2015Date of Patent: February 23, 2021Assignee: HUNTSMAN INTERNATIONAL LLCInventors: André Heeres, Niels Jan Schenk, Arend-Jan Zeeuw, Bart De Waele, Kornelis Jan Kamminga
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Publication number: 20190241507Abstract: A process for manufacturing isocyanates or polycarbonates comprising the steps of: providing a chlorine stream and carbon monoxide stream; reacting said chlorine stream and said carbon monoxide stream for providing a phosgene stream; cooling the phosgene stream to a temperature at which the phosgene in the phosgene stream is liquid, preferably, to a temperature that is 4° C. less or more than 4° C. less than the boiling point of phosgene, to form a liquid phosgene stream and a gas stream; separating the gas stream and the liquid phosgene stream; removing residual chlorine from the liquid phosgene stream to form a chlorine depleted phosgene stream and reacting the chlorine depleted phosgene stream to form an isocyanate or a polycarbonate.Type: ApplicationFiled: April 24, 2017Publication date: August 8, 2019Inventors: Jaco Meindert Van Der Leeden, Peter Muller, Robert Henry Carr, Arend Jan Zeeuw
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Patent number: 10184213Abstract: The invention discloses a process for treating black liquor comprising pyrolyzing black liquor in a fluidized bed reactor to obtain solid particles and pyrolyzed black liquor gas, heating the solid mass, returning the heated solid mass to the fluidized bed reactor for use in the pyrolysis reaction; condensing the pyrolyzed black liquor gas to obtain a condensate and recover heat and a residual gas released during condensation for heating the solid mass to a predetermined temperature for that is required for the pyrolysis.Type: GrantFiled: September 22, 2015Date of Patent: January 22, 2019Assignee: HUNTSMAN INTERNATIONAL LLCInventors: Arend-Jan Zeeuw, James Theodore Wearing, David Anthony Boyd, Clive Brereton, Brian Blackwell
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Publication number: 20180237989Abstract: A process for the preparation of small aromatic compounds from black liquor comprising: providing black liquor that derives from alkaline treatment of wood chips; subjecting the black liquor to a pyrolysis treatment to yield a pyrolysed black liquor gas and a solid mass comprising char and salts in a first reactor, wherein the salts substantially derive from the treatment of black liquor; contacting at least part of the pyrolysed black liquor gas with a catalyst in a second reactor, which is different from the first reactor to provide a conversion treatment to yield a conversion product; and recovering small aromatic compounds from the conversion product.Type: ApplicationFiled: September 22, 2015Publication date: August 23, 2018Inventors: André Heeres, Niels Jan Scherk, Arend-Jan Zeeuw, Bart De Waele, Kornelis Jan Kamminga
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Publication number: 20170306558Abstract: The invention discloses a process for treating black liquor comprising pyrolysing black liquor in a fluidized bed reactor to obtain solid particles and pyrolysed black liquor gas, heating the solid mass, returning the heated solid mass to the fluidized bed reactor for use in the pyrolysis reaction; condensing the pyrolysed black liquor gas to obtain a condensate and recover heat and a residual gas released during condensation for heating the solid mass to a predetermined temperature for that is required for the pyrolysis.Type: ApplicationFiled: September 22, 2015Publication date: October 26, 2017Inventors: Arend-Jan Zeeuw, James Theodore Wearing, David Anthony Boyd, Clive Brereton, Brian Blackwell
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Patent number: 9751768Abstract: A process for extracting a phosgene compound, comprising providing a membrane extracting unit comprising at least one extracting cell that comprises at least one membrane contactor module having at least two sides, a gas side and a liquid side; letting an initial gas stream comprising a phosgene compound flow on the gas side of the membrane contactor module; and letting an extractant liquid stream, suitable for dissolving a phosgene compound, flow on the liquid side of the membrane contactor module so that the extractant liquid stream absorbs the phosgene compound from the initial gas stream and provides a second extractant liquid stream enriched with the phosgene compound.Type: GrantFiled: February 10, 2015Date of Patent: September 5, 2017Assignee: HUNTSMAN INTERNATIONAL LLCInventors: Rabah Mouazer, Arend-Jan Zeeuw, Robert Henry Carr
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Publication number: 20170008771Abstract: A process for extracting a phosgene compound, comprising providing a membrane extracting unit comprising at least one extracting cell that comprises at least one membrane contactor module having at least two sides, a gas side and a liquid side; letting an initial gas stream comprising a phosgene compound flow on the gas side of the membrane contactor module; and letting an extractant liquid stream, suitable for dissolving a phosgene compound, flow on the liquid side of the membrane contactor module so that the extractant liquid stream absorbs the phosgene compound from the initial gas stream and provides a second extractant liquid stream enriched with the phosgene compound.Type: ApplicationFiled: February 10, 2015Publication date: January 12, 2017Inventors: Rabah Mouazer, Arend-Jan Zeeuw, Robert Henry Carr
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Patent number: 9102586Abstract: According to the present invention, a method of producing DADPM is provided. The method comprises: converting benzene into nitrobenzene thereby providing a nitrobenzene stream and a first aqueous waste stream comprising nitrobenzene; converting said nitrobenzene from said nitrobenzene stream into aniline, thereby providing an aniline stream and a first part of a second aqueous waste stream comprising aniline; removing nitrobenzene from said aniline prior to converting said aniline from said aniline stream into DADPM; converting said aniline from said aniline stream into DADPM thereby providing a second part of said second aqueous waste stream comprising aniline; stripping aniline and nitrobenzene from said first and second aqueous waste stream by means of a stripping column; providing the stripped aniline and nitrobenzene to said aniline cleaning apparatus or to said nitrobenzene stream.Type: GrantFiled: January 21, 2014Date of Patent: August 11, 2015Assignee: Huntsman International LLCInventors: Arend-Jan Zeeuw, Mark Geoffrey Bent
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Publication number: 20140135528Abstract: According to the present invention, a chemical installation is provided. The chemical installation comprises A first unit for providing a first aqueous waste stream comprising nitrobenzene; At least a second unit for providing a second aqueous waste stream comprising aniline. The chemical installation comprises an aniline cleaning apparatus for removing nitrobenzene from aniline, and further comprising a stripping column for stripping aniline from an aqueous stream. The first and second aqueous waste stream are provided to the stripping column, stripping aniline and nitrobenzene from the first and the aqueous waste stream, and the stripped aniline and nitrobenzene is provided to the aniline cleaning apparatus.Type: ApplicationFiled: January 21, 2014Publication date: May 15, 2014Applicant: Huntsman International LLCInventors: Arend-Jan Zeeuw, Mark Geoffrey Bent
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Patent number: 8697913Abstract: According to the present invention, a chemical installation is provided. The chemical installation comprises A first unit for providing a first aqueous waste stream comprising nitrobenzene; At least a second unit for providing a second aqueous waste stream comprising aniline. The chemical installation comprises an aniline cleaning apparatus for removing nitrobenzene from aniline, and further comprising a stripping column for stripping aniline from an aqueous stream. The first and second aqueous waste stream are provided to the stripping column, stripping aniline and nitrobenzene from the first and the aqueous waste stream, and the stripped aniline and nitrobenzene is provided to the aniline cleaning apparatus.Type: GrantFiled: May 21, 2010Date of Patent: April 15, 2014Assignee: Huntsman International LLCInventors: Arend-Jan Zeeuw, Mark Geoffrey Bent
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Publication number: 20120078015Abstract: According to the present invention, a chemical installation is provided. The chemical installation comprises A first unit for providing a first aqueous waste stream comprising nitrobenzene; At least a second unit for providing a second aqueous waste stream comprising aniline. The chemical installation comprises an aniline cleaning apparatus for removing nitrobenzene from aniline, and further comprising a stripping column for stripping aniline from an aqueous stream. The first and second aqueous waste stream are provided to the stripping column, stripping aniline and nitrobenzene from the first and the aqueous waste stream, and the stripped aniline and nitrobenzene is provided to the aniline cleaning apparatus.Type: ApplicationFiled: May 21, 2010Publication date: March 29, 2012Applicant: Huntsman International LLCInventors: Arend-Jan Zeeuw, Mark Geoffrey Bent