Title:
FERTILIZER PRODUCTION PLANT AND FERTILIZER PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/144726
Kind Code:
A1
Abstract:
A fertilizer production plant for producing a fertilizer from a raw material gas containing methane comprises: a reforming unit that reforms a first raw material gas, which is a part of the raw material gas, to obtain a reformed gas; an ammonia production unit that produces ammonia by using nitrogen and hydrogen contained in the reformed gas; a urea production unit that produces urea by using the ammonia; a urea-formaldehyde aggregate production unit that produces an urea-formaldehyde aggregate; and a fertilizer production unit that produces fertilizer using the urea-formaldehyde aggregate, wherein the urea-formaldehyde aggregate production unit includes a formaldehyde production device that produces formaldehyde by using a second raw material gas which is a part of the raw material gas, and a urea-formaldehyde aggregate production device that produces the urea-formaldehyde aggregate by using the formaldehyde and urea.
Inventors:
TACHIBANA SHINYA (JP)
HAGIMOTO AKIYORI (JP)
HAGIMOTO AKIYORI (JP)
Application Number:
PCT/JP2019/000055
Publication Date:
July 16, 2020
Filing Date:
January 07, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENG LTD (JP)
International Classes:
C05C9/02; C01B3/24; C01C1/04; C07C45/28; C07C47/048; C07C273/04
Domestic Patent References:
| WO2018166873A1 | 2018-09-20 | |||
| WO2018078318A1 | 2018-05-03 | |||
| WO2016132091A1 | 2016-08-25 |
Foreign References:
| US5856585A | 1999-01-05 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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