http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102807238-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fe7fb9142420bc59c6278bb030df3b78 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F5-20 |
| filingDate | 2012-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2014-04-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_09cf6610a9137b39aef23789889b6976 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0786ca3673f9661bdf7478f249c5912b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1d750f6e227fcd067e1d20d99ac4fbf6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_65211e8244f7f90ca125dc02900b0849 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eb60f0fef90b7977b1ffc6f934824424 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cb188148a5de734341810297e027bf9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a26a81f5d24362e4eb1a39ab16c28882 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ec72d0f26e21638469d7df10df41665e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b4513303cc4c51e6f5aa855b581a5d4d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_87dbb9cc6c2a6eb154065a85da590ac1 |
| publicationDate | 2014-04-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102807238-B |
| titleOfInvention | Method for preparing spherical magnesium hydroxide |
| abstract | The invention relates to a method for preparing spherical magnesium hydroxide. The method comprises the following steps of: (1) adding magnesium salt into an open container A with water and stirring to completely dissolve the magnesium salt to obtain magnesium ion solution with the magnesium ion concentration of less than or equal to 3mol/L; (2) adding ammonia water into an open container B; and (3) simultaneously placing the open container A and the open container B into a sealed container C, standing for 30 to 72,000min under the condition of the temperature of 20 to 100 DEG C to obtain white precipitate in the open container A, filtering the white precipitate, washing the white precipitate by deionized water until no sulphate ions exist in filtrate, obtaining white solids and drying the white solids to the constant weight so as to obtain the spherical magnesium hydroxide. According to the invention, by utilizing the effumability and the solubility of ammonia, ammonia gas in the ammonia water is dissolved in the magnesium ion solution again after being volatilized and is used as a precipitator for precipitate magnesium ions and then the precipitate is washed and dried to obtain the spherical magnesium hydroxide with regular morphology. According to the invention, raw materials are easy to obtain; the cost is low; the process flow is short; and the method is simple to operate. |
| priorityDate | 2012-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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