http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103881090-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5bcc2ca068d35be21a013517537b733c |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-04 |
| filingDate | 2012-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_67eaa39bc66ae1a00ec4766444bb8da0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5945c73bd23ae809a59b32f927bfbb79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_faac681301151af8ceb8c0a09790f548 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c3e33d75e7b62a5aa23e094873331527 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_645a43e212017ec4485b7f0c110d59d4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d9f51759a99df2b1ac613a3b12d13999 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b4f7d976fc0fb9e8906d4480dc97af65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4a6d54211c472c175b7c42a8a579999a |
| publicationDate | 2014-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103881090-A |
| titleOfInvention | Production technology for high-molecular cation flocculating agent |
| abstract | A disclosed production technology for a high-molecular cation flocculating agent comprises: reacting ethanolamine with hydrogen chloride gas in a spray absorption tower to generate ethanolamine hydrochloride; enabling ethanolamine hydrochloride to enter a fluidized bed reaction tower, under 20 DEG C, reacting with thionyl chloride; sending the products to a decomposition tank, so as to decompose the products under the condition of strong heat of 30 DEG C or more and release sulfur dichloride and chloroethylamine hydrochloride; adding sodium hydroxide into chloroethylamine hydrochloride, stirring for 1 h with cooling, so as to obtain an alkaline ethyleneimine solution; enabling the alkaline ethyleneimine solution to enter a distillation still for distillation and distilling out ethyleneimine; enabling ethyleneimine to enter a polymerization kettle, adding water and hydrochloric acid, introducing a proper amount of carbon dioxide, so as to perform a ring-opening polymerization reaction on the ethyleneimine solution and generate an aqueous solution of polyethylenimine; and after the polymerization reaction is finished, adjusting the pH value to 10 with sodium hydroxide, so as to obtain a finished product. The produced high-molecular cation flocculating agent is wide is applicable pH value scope (with best effect when pH is 4-10), can generate good effect both with a high concentration and at a low temperature, and is less in usage amount and low in price. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104829782-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114479069-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108003036-A |
| priorityDate | 2012-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 51.