Invention Grant
- Patent Title: Effluent treatment process for sulphate removal
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Application No.: US15746587Application Date: 2016-07-22
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Publication No.: US10676381B2Publication Date: 2020-06-09
- Inventor: Martha Hendriette Kotze
- Applicant: MINTEK
- Applicant Address: ZA Randburg
- Assignee: MINTEK
- Current Assignee: MINTEK
- Current Assignee Address: ZA Randburg
- Agency: Young & Thompson
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@17899890
- International Application: PCT/ZA2016/050025 WO 20160722
- International Announcement: WO2017/015678 WO 20170126
- Main IPC: C02F1/52
- IPC: C02F1/52 ; C02F1/66 ; C02F101/10 ; C02F101/20 ; C02F103/10
Abstract:
Disclosed is an acid waste water treatment and method wherein heavy metal hydroxides and gypsum are precipitated in a single operation and wherein amorphous aluminium trihydroxide and gypsum are separated in a single solid-solid separation unit.
Public/Granted literature
- US20190002312A1 IMPROVED EFFLUENT TREATMENT PROCESS FOR SULPHATE REMOVAL Public/Granted day:2019-01-03
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