CA1279641C - Lignine a l'azote et au soufre - Google Patents

Lignine a l'azote et au soufre

Info

Publication number
CA1279641C
CA1279641C CA000557893A CA557893A CA1279641C CA 1279641 C CA1279641 C CA 1279641C CA 000557893 A CA000557893 A CA 000557893A CA 557893 A CA557893 A CA 557893A CA 1279641 C CA1279641 C CA 1279641C
Authority
CA
Canada
Prior art keywords
product
lignin
thiourea
reaction product
weight
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.)
Expired - Fee Related
Application number
CA000557893A
Other languages
English (en)
Inventor
Manssur Yalpani
Leon Magdzinski
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.)
Domtar Inc
Original Assignee
Domtar Inc
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 Domtar Inc filed Critical Domtar Inc
Priority to CA000557893A priority Critical patent/CA1279641C/fr
Application granted granted Critical
Publication of CA1279641C publication Critical patent/CA1279641C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Compounds Of Unknown Constitution (AREA)
CA000557893A 1988-02-01 1988-02-01 Lignine a l'azote et au soufre Expired - Fee Related CA1279641C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000557893A CA1279641C (fr) 1988-02-01 1988-02-01 Lignine a l'azote et au soufre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000557893A CA1279641C (fr) 1988-02-01 1988-02-01 Lignine a l'azote et au soufre

Publications (1)

Publication Number Publication Date
CA1279641C true CA1279641C (fr) 1991-01-29

Family

ID=4137363

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000557893A Expired - Fee Related CA1279641C (fr) 1988-02-01 1988-02-01 Lignine a l'azote et au soufre

Country Status (1)

Country Link
CA (1) CA1279641C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109589953A (zh) * 2018-12-03 2019-04-09 昆明理工大学 一种用于回收金的改性活性炭的制备方法及应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109589953A (zh) * 2018-12-03 2019-04-09 昆明理工大学 一种用于回收金的改性活性炭的制备方法及应用
CN109589953B (zh) * 2018-12-03 2021-09-07 昆明理工大学 一种用于回收金的改性活性炭的制备方法及应用

Similar Documents

Publication Publication Date Title
US4857638A (en) Lignin having nitrogen and sulfur and process therefor employing thiourea
US4031038A (en) Water insoluble chelate exchange resins having a crosslinked polymer matrix and pendant thereto a plurality of methyleneaminopyridine groups
RU1831508C (ru) Способ извлечени благородных металлов из щелочных цианистых растворов
CA1086963A (fr) Procede de recuperation de metaux non ferreux a partir de solutions acides de lixiviation de procedes hydrometallurgiques, sur une resine a chelates
CA1149797A (fr) Adsorbants hautement selectifs de metaux lourds, leur production, et methode d'adsorption connexe
US3715339A (en) Chelation polymer from nitrilo compound and ethyleneimine compound
US5340380A (en) Recovery of precious metal
US4925923A (en) Lignin having chemically bound sulfur and phosphorus groups mainly as thiophosphate, using phosphorus pentasulfide
CA1336748C (fr) Resines reactives pour la recuperation des metaux precieux
CA1279641C (fr) Lignine a l'azote et au soufre
EP1186677A2 (fr) Procédé pour séparer et éliminer des ions de fer de solution d'oxyde de zinc et de solution basique de zinc
US20050040108A1 (en) Metal ion recovery
US3172898A (en) Process for preparation of metal chelates of aminopolycarboxylic acid compounds
JPH06227813A (ja) 貴金属イオン捕集剤及びその製法
Chanda et al. Polybenzimidazole resin-based new chelating agents. Uranyl and ferric ion selectivity of resins with anchored dimethylglyoxime
CN114736382B (zh) 一种直链多胺型聚苯乙烯吸附树脂及其制备方法和应用
WO1991017274A1 (fr) Extraction metallique par echange ionique
Hodgkin et al. Gold extraction with poly (diallylamine) resins
CA1288765C (fr) Lignine presentant des groupements a base de soufre et de phosphore
Hodgkin et al. Copper selective chelating resins
Perlepes et al. The vibrational spectra of complexes with planar monothio-oxamides—II. Complexes of N (s)-methylmonothio-oxamide
JPH01308432A (ja) 硫黄およびリン基を有するリグニン
EP0326233A1 (fr) Résines échangeuses d'ions et leur procédé de préparation
CA1158018A (fr) Methode d'obtention de solution de coc1.sub.2 a partir d'oxyde cobaltique hydrate
JPS58161926A (ja) ウランの回収方法

Legal Events

Date Code Title Description
MKLA Lapsed