DE2321453A1 - Verfahren zur behandlung von harnstoffkoernern - Google Patents
Verfahren zur behandlung von harnstoffkoernernInfo
- Publication number
- DE2321453A1 DE2321453A1 DE2321453A DE2321453A DE2321453A1 DE 2321453 A1 DE2321453 A1 DE 2321453A1 DE 2321453 A DE2321453 A DE 2321453A DE 2321453 A DE2321453 A DE 2321453A DE 2321453 A1 DE2321453 A1 DE 2321453A1
- Authority
- DE
- Germany
- Prior art keywords
- grains
- paraffin
- urea
- temperature
- coating agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 16
- 239000004202 carbamide Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 13
- 239000012188 paraffin wax Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000010775 animal oil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000002011 dioses Chemical class 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/40—Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Fertilizers (AREA)
- Fodder In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1964972A GB1385697A (en) | 1972-04-27 | 1972-04-27 | Process for treating urea granules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2321453A1 true DE2321453A1 (de) | 1973-11-15 |
Family
ID=10132861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2321453A Withdrawn DE2321453A1 (de) | 1972-04-27 | 1973-04-27 | Verfahren zur behandlung von harnstoffkoernern |
Country Status (18)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52106053A (en) * | 1976-03-01 | 1977-09-06 | Ebara Corp | Corrosion prevention sealing method for spigot joint section |
| JPS539503U (enrdf_load_stackoverflow) * | 1976-07-09 | 1978-01-26 | ||
| JPS5457601U (enrdf_load_stackoverflow) * | 1977-09-30 | 1979-04-20 | ||
| JPS5526102U (enrdf_load_stackoverflow) * | 1978-07-11 | 1980-02-20 | ||
| JPS5891399A (ja) * | 1981-11-26 | 1983-05-31 | Ebara Corp | 流体機械のケ−シング |
| JPS5893995A (ja) * | 1981-11-27 | 1983-06-03 | Ebara Corp | 流体機械のケ−シング |
| JPS6081296U (ja) * | 1983-11-09 | 1985-06-05 | 株式会社川本製作所 | ポンプ装置における嵌合部の防食構造 |
| JPS62162392U (enrdf_load_stackoverflow) * | 1986-04-04 | 1987-10-15 | ||
| US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
| GB2330093B (en) * | 1997-10-10 | 2001-09-12 | Foster Clarke Robin Adrian | Coating fibrous or particulate animal litter |
| JP6430286B2 (ja) * | 2015-02-25 | 2018-11-28 | 三菱重工業株式会社 | 流体機械およびその製造方法 |
| RU2688816C1 (ru) * | 2018-04-25 | 2019-05-22 | Общество с ограниченной ответственностью "Роса-1" | Состав для предотвращения пыления минеральных удобрений |
-
1972
- 1972-04-27 GB GB1964972A patent/GB1385697A/en not_active Expired
-
1973
- 1973-04-24 ZA ZA732768A patent/ZA732768B/xx unknown
- 1973-04-25 NO NO1706/73A patent/NO139035C/no unknown
- 1973-04-25 SU SU731922329A patent/SU631075A3/ru active
- 1973-04-26 FI FI1345/73A patent/FI54468C/fi active
- 1973-04-26 IT IT49678/73A patent/IT1045947B/it active
- 1973-04-26 AT AT373173A patent/AT324366B/de not_active IP Right Cessation
- 1973-04-26 BR BR3039/73A patent/BR7303039D0/pt unknown
- 1973-04-26 JP JP48048269A patent/JPS4947323A/ja active Pending
- 1973-04-26 CA CA169,674A patent/CA981989A/en not_active Expired
- 1973-04-26 ES ES414114A patent/ES414114A2/es not_active Expired
- 1973-04-26 FR FR7315168A patent/FR2182142B2/fr not_active Expired
- 1973-04-27 AU AU54931/73A patent/AU470519B2/en not_active Expired
- 1973-04-27 BE BE130529A patent/BE798851R/xx active
- 1973-04-27 RO RO74643A patent/RO62277A/ro unknown
- 1973-04-27 NL NL7305895A patent/NL7305895A/xx not_active Application Discontinuation
- 1973-04-27 DD DD170601A patent/DD107266A6/xx unknown
- 1973-04-27 DE DE2321453A patent/DE2321453A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU5493173A (en) | 1974-10-31 |
| JPS4947323A (enrdf_load_stackoverflow) | 1974-05-08 |
| GB1385697A (en) | 1975-02-26 |
| NO139035B (no) | 1978-09-18 |
| ZA732768B (en) | 1974-04-24 |
| DD107266A6 (enrdf_load_stackoverflow) | 1974-07-20 |
| NO139035C (no) | 1978-12-27 |
| CA981989A (en) | 1976-01-20 |
| FR2182142B2 (enrdf_load_stackoverflow) | 1976-09-10 |
| BE798851R (fr) | 1973-10-29 |
| SU631075A3 (ru) | 1978-10-30 |
| FI54468C (fi) | 1978-12-11 |
| ES414114A2 (es) | 1976-02-01 |
| AT324366B (de) | 1975-08-25 |
| FI54468B (fi) | 1978-08-31 |
| RO62277A (enrdf_load_stackoverflow) | 1977-09-15 |
| IT1045947B (it) | 1980-06-10 |
| BR7303039D0 (pt) | 1974-07-18 |
| FR2182142A2 (enrdf_load_stackoverflow) | 1973-12-07 |
| NL7305895A (enrdf_load_stackoverflow) | 1973-10-30 |
| AU470519B2 (en) | 1976-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8125 | Change of the main classification |
Ipc: C07C126/08 |
|
| 8136 | Disposal/non-payment of the fee for publication/grant |