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公开(公告)号:SE7807181A
公开(公告)日:1978-12-26
申请号:SE7807181
申请日:1978-06-22
Applicant: HOECHST AG
Inventor: GLEISBERG D , ULRICH H , HUNDGEN P
CPC classification number: G01N33/182
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公开(公告)号:DK224580A
公开(公告)日:1980-11-24
申请号:DK224580
申请日:1980-05-22
Applicant: HOECHST AG
Inventor: DANY F J , ULRICH H , GLEISBERG D , KALTEYER G
Abstract: 1. Use of calcium sulfate for dehydrating waste water sludge, characterized in that acid waste gypsum such as that which is obtained by subjecting phosphate ores to processing treatment with sulfuric acid for the preparation of phosphoric acid, is used.
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公开(公告)号:SE7807181L
公开(公告)日:1978-12-26
申请号:SE7807181
申请日:1978-06-22
Applicant: HOECHST AG
Inventor: GLEISBERG D , ULRICH H , HUNDGEN P
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