| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b81c932bf749f0765e65a54c5043ed96 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5236 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-52 |
| filingDate |
1975-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1977-06-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce650382df2e19e051ccd76e65113bae |
| publicationDate |
1977-06-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4028238-A |
| titleOfInvention |
Treatment of municipal waste sludges |
| abstract |
A highly concentrated municipal waste sludge is recovered in a process which involves adding alum and a flocculating agent under alkaline conditions to a dilute waste sludge, adding calcium oxide or hydroxide and filtering the resultant mixture under pressure. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6027649-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4160731-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4174278-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5961968-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2012152854-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007278161-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011042319-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2001011646-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6530343-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2006144799-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5928403-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7011824-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2914053-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2017190600-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5914104-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5194583-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7628925-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8147703-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6346240-B1 |
| priorityDate |
1975-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |