| CAPACITY |
First system in use: - Treat 2500 gallons of water/min successfully for 6 months |
| COMPANY COUNTRY | USA |
| CLASSIFICATION | CommPat. Market |
| MARKETER'S COUNTRY | USA |
| OBSERVATION'S |
In 1997 regulators detected unsafe levels of perchlorate in groundwater in Southern California. Medical studies indicate that perchlorate, a key ingredient in rocket fuels & explosives, interferes with thyroid normaL functioning. Hence, the State of California imposed a limit of 18 ppb. However, because no commercial technology existed to remove perchlorate, communities whose wells exceeded the limit were forced to shut down the wells & purchase water from other municipalities |
| PATENT ASSIGNEE'S COUNTRY | USA |
| PRODUCER'S COUNTRY | USA |
| STATUS | In 02.00; it became the only technology accepted by the California Dept of Health Services for removal of perchlorate from drinking water |
| TECHNOLOGY | Ion exchange |
| UPDATE | 05.00 |
| COMPANY | This data is not available for free |
| CUSTOMER | This data is not available for free |
| INVENTOR | This data is not available for free |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Concentrating perchlorate anion by adsorption of anion on ion exchange resin - Removing anion from resin with regenerant to create effluent stream - Feeding effluent into bioreactor with microbes for destroying said anion & feeding effluent in tp sulfate removal system - Filtering to remove solids & purify by reverse osmosis |
| PATENT PHOTOCOPY | Available |
| TRADEMARK | This data is not available for free |
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