coagulation flocculation theory

Polyamphoteric polymers for raw water treatment - Google Patents

Polyamphoteric polymers for raw water treatment Abstract Methods for treating raw water using polyamphoteric polymer coagulants are provided. The amphoteric polymers can be...

The amphoteric polymer coagulants can be added to the raw water, before and after the clarification unit operation, prior to filtration. The methods of the present invention can be used in a variety of different raw water treatment applications, such as raw water used in municipal drinking water treatment facilities.

Methods for the treatment of raw water using polyanfoteric polymeric coagulants are described. Amphoteric polymers can be added to the raw water separately or in conjunction with metal salt-based coagulants. Amphoteric polymeric coagulants can be added to the raw water, before and after the unit clarification operation, before filtration.

US5961838A - Amphoteric polymer/polyamine - Google Patents

raw water coagulant metal salt ppm polymer Prior art date 2001-03-23 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US09/815,790 Other languages English (en) Inventor Brian

Polyamphoteric polymers for raw water treatment - JOHNSON

US-2002179538-A1 chemical patent summary.

WO2002076892A8 - Polymeres polyamphoteriques - Google Patents

raw water water treatment polyamphoteric polymers coagulants Prior art date 2001-03-23 Application number PCT/US2002/000576 Other languages English (en) Other versions WO2002076892A1 (fr Inventor Brian S Johnson Christine A Staples Michael L Braden Original Assignee Ondeo Nalco Co Priority date (The priority date is an assumption and is not a

WO2004099092A1 - Polymer for water treatment - Google Patents

The invention concerns (meth)acrylic acid copolymers comprising methacrylic acid units and isopropanol units, the polymer being functionalized with aminoalkylsulphonic acid. The invention also concerns a method for producing said copolymers and their use for water treatment, for scale inhibition in oil drilling and for corrosion inhibition in

POLYAMPHOTERIC POLYMERS FOR RAW WATER TREATMENT - PatentGuru

Methods for treating raw water using polyamphoteric polymer coagulants are provided. The amphoteric polymers can be added to the raw water separately or together with metal salt based coagulants. The amphoteric polymer coagulants can be added to the raw water, before and after the clarification unit operation, prior to filtration.

Christine A. Staples Inventions, Patents and Patent

Abstract: Methods for treating raw water using polyamphoteric polymer coagulants are provided. The amphoteric polymers can be added to the raw water separately or together with metal salt based coagulants. The amphoteric polymer coagulants can be added to the raw water, before and after the clarification unit operation, prior to filtration.

Thermoresponsive Polymers for Water Treatment and Collection

Polyamines will generally treat higher-turbidity raw water (approximately >20 NTU) effectively. Polyamines are also effective in treating many types of wastewater. PolyDADMACs are a specific class of polyamines that fit in this category.

Synthetic polymers for water treatment - Nouryon

Scale inhibitors: our AquaTreat ?, Versa-TL ?, and Versaflex ? scale inhibitors control scale in the varying water conditions of cooling waters, boilers, geothermal and other applications where scale control is critical. We offer a full line of synthetic, biodegradable, and renewable polymers to fit your needs.

Thermoresponsive Polymers for Water Treatment and Collection

The raw water treatment plant at Narora Atomic Power Station (NAPS) handles 70-120 million litres per day (MLD) of raw water contaminated with suspended material resulting from colloidal clay, soil, organic matter, decaying vegetation etc. Such large quantities of water are treated by two clariflocculators. Clarification of raw water by the use

Water | Free Full-Text | Application of Waste Polymers as

Scale inhibitors: our AquaTreat ?, Versa-TL ?, and Versaflex ? scale inhibitors control scale in the varying water conditions of cooling waters, boilers, geothermal and other applications where scale control is critical. We offer a full line of synthetic, biodegradable, and renewable polymers to fit your needs.

Raw water - Wikipedia

Raw water. Raw water is water found in the environment that has not been treated and does not have any of its minerals, ions, particles, bacteria, or parasites removed. Raw water includes rainwater, ground water, water from infiltration wells, and water from bodies like lakes and rivers . Raw water is generally unsafe for human consumption due