Item description: design, drawing, construction, installation, testing and commissioning of 2.00 mld capacity unconventional water treatment plant consisting of static mixture, flocculation
tank, chemical dosing system for alum, lime, polymer & sodium hypochloride, plate type clarifier with facility of sludge recirculation, multi-grade filter with best quality filter charging materials including all fittings like valve and other special fittings, filter feed pumps, clarified water tank, mcc, cabling, laboratory items, foundation, pipeline from inlet of clarifier to outlet of filter, including cost of providing and applying epoxy paint on the equipment, including necessary testing and free trail run of 06 months after successful commissioning of the whole plants & works.
The process makes use of a flocculation
tank channel, which mixes chemicals with the water to enhance the formation of larger particles or flocs that could be easily be separated from the water.
contributes to cell formation and flooding/floating because it encourages separation of pigments that are flocculated from those that are not, particularly if the latter has small particles that are more easily trapped at the surface.
Among his topics are the origin of charge at interfaces and structure of the electrical double layer, Van der Waals attraction, the adsorption of surfactants at the liquid/liquid interface, polymers and polymeric surfactants and their association, and the flocculation
of sterically stabilized dispersions.
Recently, many investigations such as membrane , electrochemical oxidation , and flocculation
 have been explored for the purpose of reducing the quantity of kaolin produced by wastewater and improve the quality of the treated effluents.
The dye was removed due to the interaction with the polysaccharide starch and flocculation
B4 (B4-EPS) had high flocculation
and reduction activity [23, 24].
Such methods include flocculation
, flotation, electro-flocculation, membrane filtration, coagulation, electrochemistry, ion exchange, precipitation, radiation, ozonisation, among others (Srinivasan & Viraraghavan, 2010).
The surface water received at the Simly and Khanpur treatment plants, passes through flocculation
, sedimentation, filtration, disinfection before reaching the consumers, he added.
There are several methods available for COD removal from wastewater i.e., electrochemical Fenton process, flocculation
and advanced oxidation processes, activated carbon and low cost adsorbent (Eslami et al., 2013; Lakdawala and Lakdawala, 2013; Hussain et al., 2013; Rakholiya and Puranik, 2012; Aluyor and Badmus, 2008; Zayas et al., 2007).
comes into being, and then network structures are formed in the entire liquid.
This leads to the loss of pigment stabilization and flocculation
of the colorant or paint pigments leading to an immediate or gradual change in color (Figure 1).