1. A host computer connected to a printing apparatus having a unit for sending medium information indicating a type of a printing medium acquired in response to a medium type acquisition request from the host computer, and a unit for generating binary print data using a printing parameter that has been associated with multi-valued print data that has been received, and performing printing based upon the binary print data generated, said host computer comprising:
a storage unit configured to store a plurality of printing parameters conforming to types of printing media;
a reception unit configured to receive medium information indicative of a type of printing medium from the printing apparatus;
an acquisition unit configured to acquire a printing parameter from the storage unit, wherein the printing parameter is associated with the medium information received by the reception unit; and
a transmission unit configured to determine whether the printing apparatus holds the printing parameter acquired by the acquisition unit,
wherein the transmission unit transmits multi valued print data and the printing parameter which is acquired by the acquisition unit to the printing apparatus in a case where it is determined that the printing parameter is not held by the printing apparatus,
wherein the transmission unit transmits the multi valued print data without the printing parameter to the printing apparatus in a case where it is determined that the printing parameter is held by the printing apparatus,
wherein said storage unit further stores information indicating printing parameters being held by the printing apparatus, and
said transmission unit refers to the information indicating the printing parameters and, if a selected printing parameter corresponds to a printing parameter being held by the printing apparatus, transmits the print data to the printing apparatus without this printing parameter, and
wherein said transmission unit transmits the selected printing parameter to the printing apparatus in association with the multi-valued print data even when a printing parameter corresponding to the selected printing parameter is held by the printing apparatus, if the type of printing medium received from the printing apparatus is indicative of a printing medium for which a high quality is requested and a high quality has been selected as the print quality.
2. The host computer according to claim 1, wherein said storage unit stores a plurality of printing parameters conforming also to print qualities in addition to types of printing media; and
the acquisition unit selects a printing parameter, which conforms also to a designated print quality in addition to the type of printing medium indicated by the medium information, from the plurality of printing parameters that have been stored in said storage unit.
3. The host computer according to claim 1, wherein in a case where the medium information could not be received, the acquisition unit selects a printing parameter conforming to a default type of printing medium from the plurality of printing parameters that have been stored in said storage unit.
4. The host computer according to claim 1, wherein the printing parameters include at least one among a first color correction table for applying a color correction to first image data, a color conversion table for converting the colorimetric system of the first image data to obtain second image data, a second color correction table for applying a color correction to the second image data, and a quantization table for quantizing the second image data.
5. The host computer according to claim 1, wherein when existence of print data of a succeeding page is sensed, the type information indicating the type of printing medium is acquired by issuing a command for feeding the printing medium in advance.
6. A non-transitory computer-readable storage medium on which has been stored a program for causing a computer to function as the units with which the host computer set forth in claim 1 is provided.
7. A method of controlling a host computer connected to a printing apparatus having a unit for sending medium information indicating a type of a printing medium acquired in response to a medium type acquisition request from the host computer, and a unit for generating binary print data using a printing parameter that has been associated with multi-valued print data that has been received, and performing printing based upon the binary print data generated, wherein the host computer has a storage unit for storing a plurality of printing parameters conforming to types of printing media, said method comprising:
a reception step of receiving medium information indicative of a type of printing medium from the printing apparatus;
an acquisition step of acquiring a printing parameter from the storage unit, wherein the printing parameter is associated with the medium information received in the reception step;
a determining step of determining whether the printing apparatus holds the printing parameter acquired in the acquisition step; and
a transmission step of transmitting multi valued print data and the printing parameter which is acquired in the acquisition step to the printing apparatus in a case where it is determined that the printing parameter is not held by the printing apparatus, and transmitting the multi valued print data without the printing parameter to the printing apparatus in a case where it is determined that the printing parameter is held by the printing apparatus,
wherein said storage unit further stores information indicating printing parameters being held by the printing apparatus, and
at said determining step, reference is had to the information indicating the printing parameters and, if a selected printing parameter corresponds to a printing parameter being held by the printing apparatus, the print data is transmitted to the printing apparatus without this printing parameter, and
wherein in the transmission step, the selected printing parameter is transmitted to the printing apparatus in association with the multi-valued print data even when a printing parameter corresponding to the selected printing parameter is held by the printing apparatus, if the type of printing medium received from the printing apparatus is indicative of a printing medium for which a high quality is requested and a high quality has been selected as the print quality.
8. The method according to claim 7, wherein said storage unit stores a plurality of printing parameters conforming also to print qualities in addition to types of printing media; and
at said acquisition step, a printing parameter, which conforms also to a designated print quality in addition to the type of printing medium indicated by the medium information, is selected from the plurality of printing parameters that have been stored in said storage unit.
9. The method according to claim 7, wherein in a case where the medium information could not be received, a printing parameter conforming to a default type of printing medium is selected from the plurality of printing parameters that have been stored in said storage unit.
10. The method according to claim 7, wherein the printing parameters include at least one among a first color correction table for applying a color correction to first image data, a color conversion table for converting the colorimetric system of the first image data to obtain second image data, a second color correction table for applying a color correction to the second image data, and a quantization table for quantizing the second image data.
11. The method according to claim 7, wherein when existence of print data of a succeeding page is sensed, the type information indicating the type of printing medium is received by issuing a command for feeding the printing medium in advance.
12. A printing control system comprising a host computer and a printing apparatus, wherein said printing apparatus comprises:
a notification unit configured to send medium information indicating a type of a printing medium in response to a medium type request from said host computer; and
a printing unit configured to generate binary print data using a printing parameter that has been associated with multi-valued print data that has been received, and to perform printing based upon the binary print data generated; and
said host computer comprises:
a storage unit, configured to store a plurality of printing parameters conforming to types of printing media;
a reception unit configured to request the medium type from the printing apparatus to receive medium information indicative of a type of printing medium from the printing apparatus;
an acquisition unit configured to acquire a printing parameter from the storage unit, wherein the printing parameter is associated with the medium information received by the reception unit; and
a transmission unit configured to determine whether the printing apparatus holds the printing parameter acquired by the acquisition unit,
wherein the transmission unit transmits multi valued print data and the printing parameter which is acquired by the acquisition unit to the printing apparatus in a case where it is determined that the printing parameter is not held by the printing apparatus,
wherein the transmission unit transmits the multi valued print data without the printing parameter to the printing apparatus in a case where it is determined that the printing parameter is held by the printing apparatus,
wherein said storage unit further stores information indicating printing parameters being held by the printing apparatus, and
said transmission unit refers to the information indicating the printing parameters and, if a selected printing parameter corresponds to a printing parameter being held by the printing apparatus, transmits the print data to the printing apparatus without this printing parameter, and
wherein said transmission unit transmits the selected printing parameter to the printing apparatus in association with the multi-valued print data even when a printing parameter corresponding to the selected printing parameter is held by the printing apparatus, if the type of printing medium received from the printing apparatus is indicative of a printing medium for which a high quality is requested and a high quality has been selected as the print quality.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A process for oligomerizing isoolefins, the process comprising:
feeding an isoolefin to an oligomerization reaction zone;
feeding an oxygen-containing reaction moderator to the oligomerization reaction zone;
concurrently in the oligomerization reaction zone:
contacting the isoolefin with an oligomerization catalyst to convert at least a portion of the isoolefin to oligomers comprising dimers and trimers of the isoolefin;
reacting a portion of the moderator with a portion of at least one of the isoolefin and the oligomers to form an oxygenated oligomerization byproduct;
recovering an effluent from the oligomerization reaction zone comprising the oligomers and the oxygenated oligomerization byproduct;
fractionating at least a portion of the effluent to recover a fraction comprising the oxygenated oligomerization byproduct and the trimers and a fraction comprising the dimers.
2. The process of claim 1, wherein the effluent further comprises oxygen-containing moderator, the fractionating further comprising recovering a fraction comprising the oxygen-containing moderator.
3. The process according to claim 2, further comprising recycling at least a portion of the fraction comprising the oxygen-containing moderator to the oligomerization reaction zone.
4. The process according to claim 3, wherein the fraction comprising the oxygen-containing moderated further comprises unreacted isoolefin.
5. The process according to claim 1, wherein the moderator is at least one of: water, tertiary butyl alcohol, methanol, methyl tertiary butyl ether, ethanol, and ethyl tertiary butyl ether.
6. The process according to claim 1, wherein the oxygenated oligomerization byproduct comprises at least one of a C8-C16 ether and a C8-C12 alcohol.
7. The process according to claim 1, wherein the oligomerization reaction zone comprises a catalytic distillation reaction zone, the concurrently further comprising:
separating the oligomers and the oxygenated oligomerization byproduct from unreacted isoolefins by fractionation;
recovering the unreacted isoolefins from the catalytic distillation reaction zone as an overheads fraction;
recovering the oligomers and the oxygenated oligomerization byproduct from the catalytic distillation reaction zone as the oligomerization reaction zone effluent.
8. The process according to claim 7, further comprising recycling at least a portion of the overheads fraction to the catalytic distillation reaction zone as reflux.
9. The process of claim 1, wherein the isoolefin comprises at least one of propylene, isobutene, and isopentene.
10. The process of claim 1, wherein the isoolefin comprises isobutene.
11. The process of claim 1, further comprising blending at least a portion of the fraction comprising oxygenated oligomerization byproduct and trimers with additional hydrocarbons to form a diesel fuel.
12. The process of claim 1, further comprising at least one of alkylating at least a portion of the dimers, hydrogenating at least a portion of the dimers, and blending at least a portion of the dimers to form a gasoline-range hydrocarbon blendstock.
13. The process of claim 1, wherein the oligomerization reaction zone comprises at least one of a distillation column reactor, a divided wall distillation column reactor, a fixed bed reactor, a bubble column reactor, a slurry reactor equipped with or without a distillation column, pulsed flow reactor, a catalytic distillation column wherein slurry solid catalysts flow down the column, and combinations thereof.
14. A process for oligomerizing isobutene, the process comprising:
feeding isobutene to an oligomerization reaction zone;
feeding an oxygen-containing reaction moderator to the oligomerization reaction zone;
concurrently in the oligomerization reaction zone:
contacting the isobutene with an oligomerization catalyst to convert at least a portion of the isobutene to oligomers comprising dimers and trimers of isobutene;
reacting a portion of the moderator with a portion of at least one of the isobutene and the oligomers to form an oxygenated oligomerization byproduct;
recovering an effluent from the oligomerization reaction zone comprising the oligomers and the oxygenated oligomerization byproduct;
fractionating at least a portion of the effluent to recover a fraction comprising the oxygenated oligomerization byproduct and the trimers and a fraction comprising the isobutene dimers.
15. The process of claim 14, wherein the effluent further comprises oxygen-containing moderator, the fractionating further comprising recovering a fraction comprising the oxygen-containing moderator.
16. The process according to claim 15, further comprising recycling at least a portion of the fraction comprising the oxygen-containing moderator to the oligomerization reaction zone.
17. The process according to claim 16, wherein the fraction comprising the oxygen-containing moderated further comprises unreacted isobutene.
18. The process according to claim 14, wherein the moderator is at least one of: water, tertiary butyl alcohol, methanol, methyl tertiary butyl ether, ethanol, and ethyl tertiary butyl ether.
19. The process according to claim 14, wherein the oxygenated oligomerization byproduct comprises at least one of a C8-C16 ether and a C8-C12 alcohol.
20. The process according to claim 14, wherein the oligomerization reaction zone comprises a catalytic distillation reaction zone, the concurrently further comprising:
separating the oligomers and the oxygenated oligomerization byproduct from unreacted isobutene by fractionation;
recovering the unreacted isobutene from the catalytic distillation reaction zone as an overheads fraction;
recovering the oligomers and the oxygenated oligomerization byproduct from the catalytic distillation reaction zone as the oligomerization reaction zone effluent.
21. The process according to claim 20, further comprising recycling at least a portion of the overheads fraction to the catalytic distillation reaction zone as reflux.
22. The process of claim 14, further comprising blending at least a portion of the fraction comprising oxygenated oligomerization byproduct and trimers with additional hydrocarbons to form a diesel fuel.
23. The process of claim 14, further comprising at least one of alkylating at least a portion of the dimers, hydrogenating at least a portion of the dimers, and blending at least a portion of the dimers to form a gasoline-range hydrocarbon blendstock.
24. The process of claim 14, wherein the oligomerization reaction zone comprises at least one of a distillation column reactor, a divided wall distillation column reactor, a fixed bed reactor, a bubble column reactor, a slurry reactor equipped with or without a distillation column, pulsed flow reactor, a catalytic distillation column wherein slurry solid catalysts flow down the column, and combinations thereof.