JP2002114753A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002114753A5 JP2002114753A5 JP2000303021A JP2000303021A JP2002114753A5 JP 2002114753 A5 JP2002114753 A5 JP 2002114753A5 JP 2000303021 A JP2000303021 A JP 2000303021A JP 2000303021 A JP2000303021 A JP 2000303021A JP 2002114753 A5 JP2002114753 A5 JP 2002114753A5
- Authority
- JP
- Japan
- Prior art keywords
- ammonia
- triazine compound
- wastewater
- weight
- carbon dioxide
- 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.)
- Granted
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- -1 triazine compound Chemical class 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000004202 carbamide Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 3
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 3
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 150000003918 triazines Chemical class 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000303021A JP4632008B2 (ja) | 2000-10-03 | 2000-10-03 | トリアジン化合物含有廃水の処理による尿素合成方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000303021A JP4632008B2 (ja) | 2000-10-03 | 2000-10-03 | トリアジン化合物含有廃水の処理による尿素合成方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002114753A JP2002114753A (ja) | 2002-04-16 |
| JP2002114753A5 true JP2002114753A5 (enrdf_load_html_response) | 2007-09-20 |
| JP4632008B2 JP4632008B2 (ja) | 2011-02-16 |
Family
ID=18784280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000303021A Expired - Lifetime JP4632008B2 (ja) | 2000-10-03 | 2000-10-03 | トリアジン化合物含有廃水の処理による尿素合成方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4632008B2 (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030085856A (ko) * | 2002-05-02 | 2003-11-07 | 삼성정밀화학 주식회사 | 암모니아 회수기법에 의한 요소 함유 질소 폐수의 처리방법 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4013757A (en) * | 1975-04-17 | 1977-03-22 | Fmc Corporation | High pressure thermal hydrolysis process to decompose triazines in acid waste streams |
| DE3041324A1 (de) * | 1980-11-03 | 1982-06-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zum gleichzeitigen abbau von spurenbestandteilen in den reaktionsabgasen der melaminsynthese |
| JPH08333351A (ja) * | 1995-06-09 | 1996-12-17 | Mitsui Toatsu Chem Inc | メラミンの精製方法 |
| JPH11209353A (ja) * | 1998-01-23 | 1999-08-03 | Nissan Chem Ind Ltd | メラミン工程廃液からのメラミン、アンメリン及びアンメリドの回収方法 |
| AT411830B (de) * | 1998-12-03 | 2004-06-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von harnstoff unter einbindung der melamin-offgase in eine harnstoffanlage |
-
2000
- 2000-10-03 JP JP2000303021A patent/JP4632008B2/ja not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2400431C2 (ru) | Способ очистки сточных вод меламинных установок | |
| CN108602784B (zh) | 改造高压三聚氰胺设备的方法 | |
| NZ286590A (en) | Purification of melamine by mixing with ammonia under pressure | |
| CN1326448A (zh) | 生产纯三聚氰胺的方法 | |
| CA2720180A1 (en) | Process for increasing the capacity of an existing urea plant | |
| RU2304579C2 (ru) | Способ получения свободного от мелема меламина и устройство гасителя | |
| JP2002114753A5 (enrdf_load_html_response) | ||
| US6858730B2 (en) | Process for the production of high purity melamine from urea | |
| JP4903697B2 (ja) | 尿素の調製方法 | |
| US7741481B2 (en) | Method for producing pure melamine | |
| MY123710A (en) | Melamine purification process | |
| US2768167A (en) | Cyanuric acid preparation | |
| NZ210148A (en) | A process for the preparation of urea | |
| WO2015065247A1 (ru) | Способ очистки сточных вод производства меламина | |
| SU895284A3 (ru) | Способ выделени гуанидинкарбоната из разбавленных водных растворов | |
| AU2001234239B2 (en) | Process for preparing melamine from urea | |
| JP4632008B2 (ja) | トリアジン化合物含有廃水の処理による尿素合成方法 | |
| US20030028020A1 (en) | Process for the synthesis of high purity melamine | |
| CN101455937A (zh) | 用于净化氰尿酰氯制备中所获得的尾气的方法 | |
| AU780442B2 (en) | Process for the preparation of melamine | |
| US7534883B2 (en) | Process for the preparation of melamine | |
| JP2004010407A (ja) | リン酸アンモニウムマグネシウム一水和物の製造方法 | |
| SU345103A1 (ru) | СПОСОБ ОЧИСТКИ СТОЧНЫХ вод, СОДЕРЖАЩИХ ПРОИЗВОДНЫЕ S-ТРИАЗИНА | |
| JPS60340B2 (ja) | スルファミン酸グアニジンの製造法 | |
| MXPA00011109A (en) | Method for preparing melamine |