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1.Process for the recovery of free sulfuric acid from ammonium bisulfate 失效
Title translation: 从硫酸氢铵中回收游离硫酸的方法公开(公告)号:US3364202A
公开(公告)日:1968-01-16
申请号:US44541565
申请日:1965-04-05
Applicant: STAMICARBON
Inventor: DE ROOIJ ABRAHAM H , JAN ELMENDORP
IPC: C01B17/90
CPC classification number: C01B17/903
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2.Process for recovering phosphoric acid from aqueous solutions containing nitric acid and phosphoric acid 失效
Title translation: 从含有硝酸和磷酸的水溶液中回收磷酸的方法公开(公告)号:US3363978A
公开(公告)日:1968-01-16
申请号:US40186564
申请日:1964-10-06
Applicant: STAMICARBON
Inventor: DE ROOIJ ABRAHAM H , JAN ELMENDORP
IPC: C01B21/46 , C01B25/22 , C01B25/234
CPC classification number: C01B25/22 , C01B21/46 , C01B25/234
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