RO81230B1 - Procedeu de purificare a solutiilor de uree - Google Patents

Procedeu de purificare a solutiilor de uree

Info

Publication number
RO81230B1
RO81230B1 RO101835A RO10183580A RO81230B1 RO 81230 B1 RO81230 B1 RO 81230B1 RO 101835 A RO101835 A RO 101835A RO 10183580 A RO10183580 A RO 10183580A RO 81230 B1 RO81230 B1 RO 81230B1
Authority
RO
Romania
Prior art keywords
solutions
purifying
carbamide
purifying carbamide
diatomite
Prior art date
Application number
RO101835A
Other languages
English (en)
Other versions
RO81230A2 (ro
Inventor
Ioan Iosif
Original Assignee
Ioan Iosif
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 Ioan Iosif filed Critical Ioan Iosif
Priority to RO80101835A priority Critical patent/RO81230A2/ro
Publication of RO81230B1 publication Critical patent/RO81230B1/ro
Publication of RO81230A2 publication Critical patent/RO81230A2/ro

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedeul de purificare a solutiilor de uree consta în faptul ca se trateaza cu 0,5...20 g diatomita la un kg solutie sub agitare la temperatura camerei, dupa care solutia purificata se separa prin filtrare.
RO80101835A 1980-07-30 1980-07-30 Procedeu de purificare a solutiilor de uree RO81230A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO80101835A RO81230A2 (ro) 1980-07-30 1980-07-30 Procedeu de purificare a solutiilor de uree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO80101835A RO81230A2 (ro) 1980-07-30 1980-07-30 Procedeu de purificare a solutiilor de uree

Publications (2)

Publication Number Publication Date
RO81230B1 true RO81230B1 (ro) 1983-01-30
RO81230A2 RO81230A2 (ro) 1983-02-01

Family

ID=20108837

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80101835A RO81230A2 (ro) 1980-07-30 1980-07-30 Procedeu de purificare a solutiilor de uree

Country Status (1)

Country Link
RO (1) RO81230A2 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976977A (zh) * 2012-11-22 2013-03-20 安徽新陇海药业有限公司 一种尿素纯化的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976977A (zh) * 2012-11-22 2013-03-20 安徽新陇海药业有限公司 一种尿素纯化的方法

Also Published As

Publication number Publication date
RO81230A2 (ro) 1983-02-01

Similar Documents

Publication Publication Date Title
BE863227A (fr) Procede de purification d'eaux fluorees, notamment d'eaux residuaires fluorees
BE810311A (fr) Procede de purification des gaz contenant de l'anhydride sulfurique
BE872622A (fr) Procede de purification de plyethers bruts
BE843705A (fr) Procede pour purifier l'eau residuaire de la production d'hydrazine
BE833271A (fr) Procede de purification d'actinides presentant un faible degre d'oxydation
BE881827A (fr) Procede pour la purification de solutions acides contenant des metaux
MA19258A1 (fr) Procede de separation selective de cobalt (ii) de solutions aqueuses .
FR2353491A1 (fr) Procede de purification d'eau contenant des sulfures a l'aide de peroxyde de chlore
BE848255A (fr) Procede de purification des eaux residuaires industrielles,
BE856961A (fr) Procede perfectionne pour purifier les sels contenant des impuretes organiques
RO81230B1 (ro) Procedeu de purificare a solutiilor de uree
BE890027A (fr) Procede pour purifier l'hexamethylenediamine
BE864305A (fr) Procede de purification d'olefines fort cristallines
FR2322842A1 (fr) Procede de purification d'un alkylene-glycol
FR2536898B1 (fr) Procede pour la denitrification de solutions residuaires d'acide nitrique contenant des actinides, a rejeter avec separation simultanee des actinides
RO63769A (fr) Procede de purification des ethylphenols
BE828570A (fr) Procede de purification des eaux residuaires contenant des metaux lourds
FR2361360A1 (fr) Sels de bis-guanylhydrazonium, leur procede de preparation et leur utilisation pour la purification d'eaux residuaires contenant des composes organiques de caractere anionique
FR2352004A1 (fr) Procede de purification de copolymeres contenant de l'acide crotonique
BE770143A (fr) Procede de purification d'hexahydro-1,4-diazepine-3- et 5-ones 1-n-substituees
BE838173A (fr) Procede de purification d'eaux residuaires contenant des composes organiques du type anionique
BE825056A (fr) Procede de purification de l'acide 11-cyano-undecanoique
FR2334689A1 (fr) Procede d'extraction et de purification de la kallidinogenase
RO94222B1 (ro) Procedeu pentru purificarea 2-etilantrachinonei
RO89002A2 (ro) Procedeu de epurare a apelor reziduale provenite din intreprinderile de tricotaje de tip bumbac