DE2321453A1 - Verfahren zur behandlung von harnstoffkoernern - Google Patents

Verfahren zur behandlung von harnstoffkoernern

Info

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Withdrawn
Application number
DE2321453A
Other languages
German (de)
English (en)
Inventor
Michael Hendrik Willems
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Publication of DE2321453A1 publication Critical patent/DE2321453A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30Processes 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
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G73/00Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/40Physical 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)
DE2321453A 1972-04-27 1973-04-27 Verfahren zur behandlung von harnstoffkoernern Withdrawn DE2321453A1 (de)

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)

Country Link
JP (1) JPS4947323A (it)
AT (1) AT324366B (it)
AU (1) AU470519B2 (it)
BE (1) BE798851R (it)
BR (1) BR7303039D0 (it)
CA (1) CA981989A (it)
DD (1) DD107266A6 (it)
DE (1) DE2321453A1 (it)
ES (1) ES414114A2 (it)
FI (1) FI54468C (it)
FR (1) FR2182142B2 (it)
GB (1) GB1385697A (it)
IT (1) IT1045947B (it)
NL (1) NL7305895A (it)
NO (1) NO139035C (it)
RO (1) RO62277A (it)
SU (1) SU631075A3 (it)
ZA (1) ZA732768B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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 (it) * 1976-07-09 1978-01-26
JPS5457601U (it) * 1977-09-30 1979-04-20
JPS5526102U (it) * 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 (it) * 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

Also Published As

Publication number Publication date
AT324366B (de) 1975-08-25
DD107266A6 (it) 1974-07-20
AU5493173A (en) 1974-10-31
ES414114A2 (es) 1976-02-01
SU631075A3 (ru) 1978-10-30
GB1385697A (en) 1975-02-26
IT1045947B (it) 1980-06-10
JPS4947323A (it) 1974-05-08
FI54468B (fi) 1978-08-31
NO139035B (no) 1978-09-18
NO139035C (no) 1978-12-27
RO62277A (it) 1977-09-15
FI54468C (fi) 1978-12-11
ZA732768B (en) 1974-04-24
BE798851R (fr) 1973-10-29
AU470519B2 (en) 1976-03-18
FR2182142B2 (it) 1976-09-10
FR2182142A2 (it) 1973-12-07
BR7303039D0 (pt) 1974-07-18
CA981989A (en) 1976-01-20
NL7305895A (it) 1973-10-30

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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