Invention Grant
- Patent Title: Preventing or reducing scale in wet-process phosphoric acid production
- Patent Title (中): 预防或减少湿法磷酸生产的规模
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Application No.: US12888861Application Date: 2010-09-23
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Publication No.: US09028787B2Publication Date: 2015-05-12
- Inventor: Sathanjheri A. Ravishankar , Bing Wang
- Applicant: Sathanjheri A. Ravishankar , Bing Wang
- Applicant Address: US DE Wilmington
- Assignee: Cytec Technology Corp.
- Current Assignee: Cytec Technology Corp.
- Current Assignee Address: US DE Wilmington
- Agent Charles E. Bell
- Main IPC: C01B25/16
- IPC: C01B25/16 ; B03D3/06 ; C01F1/00 ; C01B25/22
Abstract:
Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.
Public/Granted literature
- US20110076219A1 PREVENTING OR REDUCING SCALE IN WET-PROCESS PHOSPHORIC ACID PRODUCTION Public/Granted day:2011-03-31
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