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Waterdrop Official - All reviews

https://customerreviews.google.com/v/merchant?q=waterdropfilter.com&c=US&v=19&hl=en_US
✓ 5-stage filtration removes chlorine, lead, and fluoride for pure, fresh water Instant heating for tea, baby bottles, and more—no waiting! Child ...

CN104276646A - Method for quickly and efficiently removing heavy ...

https://patents.google.com/patent/CN104276646A/en
The invention relates to a method for removing heavy metals in a water body, which is characterized in that common oxidizers for water treatment, ...

US20190225521A1 - Systems, apparatus, and/or methods for ...

https://patents.google.com/patent/US20190225521A1/en
Water disinfection, filtration and purification systems is the process of removing ... “Impaired Water” is any water that does not meet potable water quality ...

US8366936B1 - Water treatment system with water filter having ...

https://patents.google.com/patent/US8366936B1/en
... Chlorine may be added to the filtered water. Specialized water filters for reducing fluoride and arsenic concentrations and taste aesthetics are also disclosed.

CN118908506B - Treatment process of potassium fluoride ...

https://patents.google.com/patent/CN118908506B/en
The invention discloses a treatment process of circulating water in a potassium fluoride concentration section and an internal filtering reaction kettle, ...

US7638047B1 - Water filter having zeolite layers and activated ...

https://patents.google.com/patent/US7638047B1/en
Dec 29, 2009 ... ... water. The FLCS layer provides for the removal of fluoride as well as limited reactive dechlorination of halogenated organics. The next ...

US5368832A - Zero discharge process for manufacturing of ...

https://patents.google.com/patent/US5368832A/en
Sodium hydroxide is then passed through line 17 to replace the chloride or hypophosphite ions on the anion exchange column with hydroxyl ions. The water and ...

CN103170302A - Active aluminum oxide fluoride-removal ...

https://patents.google.com/patent/CN103170302A/en
... remove the defluorination absorbing material of fluorine in drinking water, be ... chloride solution, calcium chloride water, magnesium chloride brine etc.

US9737827B2 - System for removing high purity salt from a brine ...

https://patents.google.com/patent/US9737827B2/en
In particular, inland brackish water and seawater may be rich in sodium chloride, sulfates, magnesium, calcium, and other minerals. Membrane-based desalination ...

US8404210B2 - Iron composition based water filtration system for ...

https://patents.google.com/patent/US8404210B2/en
Iron composition based water filtration system for the removal of chemical species containing arsenic and other metal cations and anions. Abstract. translated ...

US6066257A - Process for the removal and destruction of ...

https://patents.google.com/patent/US6066257A/fr
C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds ... Zero brine, zero ...

US7520993B1 - Water treatment process for oilfield produced water ...

https://patents.google.com/patent/US7520993B1/en
... Removal of boron and fluoride from water. US6054050A 1998-07-21 2000-04-25 ... Abdel-Wahab and Batchelor, "Chloride Removal from Recycled Cooling Water ...

CA2767234C - Dual polymer system for water recovery and ...

https://patents.google.com/patent/CA2767234C/en
... chloride. The addition of lanthanum ... Rice 2020 Enhanced Fluoride Removal in Biosand Filters Using Aluminum Oxide Coated Media and Modified Filter Design.

CN101016175A - Method of eliminating magnesium sulfate from ...

https://patents.google.com/patent/CN101016175A/en
... water solution with magnesium sulfate; transmitting the solution into micro-filter film device to remove micro-particle impurity; transmitting the solution ...

US6416668B1 - Water treatment process for membranes - Google ...

https://patents.google.com/patent/US6416668B1/en
Since some of these pathogens can not be destroyed by chlorination and must be removed by physical separation, membrane filtration provides the most effective, ...

US4695290A - Integrated coal cleaning process with mixed acid ...

https://patents.google.com/patent/US4695290A/en
The Chevron patent does not disclose the use of finely-ground, hydrogen fluoride/hydrogen chloride-purged coal as a substitute for fluid fuels or other forms of ...

US20200261836A1 - Granular filtration media mixture and uses in ...

https://patents.google.com/patent/US20200261836A1/en
... filter bed to remove the contaminants for the purpose of water purification. ... Zero Technologies, Llc Systems, devices, and methods of water filtration.

US11639302B2 - Process for reducing the concentration of arsenic ...

https://patents.google.com/patent/US11639302B2/en
... chloride from fluorine-containing solid waste. KR102116420B1 2020-05-28 Waste water treatment method of removing fluorine and cyanides. JP6807209B2 2021-01-06 ...

JP2016168530A - Method of separating fluorine-containing solvent ...

https://patents.google.com/patent/JP2016168530A/en
Moreover, although the method of removing the alcohol melt | dissolved in water from the fluorine-containing solvent using the oil-water separation filter which ...

CN106687189B - Granular filter medium mixture and use in water ...

https://patents.google.com/patent/CN106687189B/en
... filter column to remove contaminants from water for water purification applications. ... Zero Technologies, Llc Systems, devices, and methods of water filtration.