Systems and methods for dosing slurries to remove suspended solids from the slurry are disclosed. The systems and methods may be used to dewater slurries having relatively high solids content such as earthen slurries. In some embodiments, the solids content of the slurry is monitored to determine the amount of dilution water and/or additive added to the slurry.

Systems and methods for dosing slurries to remove suspended solids from the slurry are disclosed. The systems and methods may be used to dewater slurries having relatively high solids content such as earthen slurries. In some embodiments, the zeta potential of the slurry is monitored by an electroacoustic zeta potential sensor to control coagulant addition.

A method for continuous supply of peracetate oxidant solution with activity to generate to generate reactive oxygen species includes production processing in a liquid stream starting with a feed water and sequentially adding alkali concentrate, hydrogen peroxide solution and acetyl donor and introducing a resulting peracetate oxidant solution into a product buffer tank from which the peracetate oxidant solution is dispensed for use as a reactive oxygen species-generating oxidant, In the product buffer tank peracetate oxidant solution has a pH in a range of from pH 10 to pH 12, a molar ratio of peracetate anions to peracid in a range of from 60:1 to 6000:1 and a molar ratio of peracetate anions to hydrogen peroxide of greater than 16:1.

A process of dewatering any liquid/solid materials, primary-treated or non-treated sewage which includes mixing the sludge with a coagulant or flocculant aid, usually activated polymer. The sludge is then mixed and flocculated at conditions which involve extensive mixing turbulence of the sludge and whereby part of the sludge is recycled so as to be again subjected to such mixing and flocculating. Flocks form the solid particles in the sludge. The pH of the sludge is chemically adjusted into the basic pH range or to a higher basic pH. The flocked material is applied to any mechanical or non-mechanical device or a sand bed whereby the flocculated solids in the sludge are separated from the liquid in the sludge, by collecting on the top of the sand bed. The flocculated solids located on the top of the sand bed are air dried. The dried flocculated solids are removed from the top of the sand bed.

Provided herein are solids removal systems for dehydrator systems comprising a large rotating paddle, a small rotating paddle, and a drive shaft. The dehydrator system also includes a core dehydrator and a mixing unit. The core dehydrator comprises a plurality of small deflector plaques in fluidic communication with a plurality of large deflector plaques. The mixing unit includes a rapid mixing manifold in fluidic communication with a plurality of vertical flocculators and the core dehydrator. The large rotating paddle and the small rotating paddle of the solids removal system are connected to the drive shaft and configured to remove solids from the core dehydrator.

The present invention is directed to materials and method of encapsulating chemical agents. In particular, the present invention is directed to compositions and methods of encapsulating a coagulant or flocculant in a water soluble polymer encapsulant.

A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode end plates held apart from each other by a pair of supports such that the supports enclose opposing sides of the end plates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.

A mixing and dissolving system includes a tank where a polymer flocculant in a solid state is mixed with water, a liquid feed unit for feeding an aqueous solution containing the mixed polymer flocculant from the tank, one regenerative mixer comprising a casing arranged at an intermediate position of a channel for the aqueous solution discharged from the liquid feed unit, and a bladed wheel where grooves are formed in a radial pattern on an outer circumference, and is used to mix and dissolve the polymer flocculant through pressure application by rotating the bladed wheel in the casing and forming a vortex flow of the aqueous solution along an inner circumferential wall of the casing, and an adjusting unit arranged at an intermediate position of a channel for the aqueous solution that has passed through the regenerative mixer, and controls pressure on a discharge side of the regenerative mixer.

A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.

Dehydrator systems having a core dehydrator and a mixing unit are described herein and methods of using the same. The core dehydrator comprises a turbulent flow mixing compartment the turbulent flow mixing compartment with plate openings having a turbulent flow transition zone where linear speed of fluid flow is reduced, a clarifying sediment chamber, where fluid flow is substantially laminar) comprising a plurality of small deflector plaques and a plurality of large deflector plaques and a flocculation pipe. In the turbulent flow transition zone, fluid flow transitions from turbulent flow to laminar flow. The mixing unit comprises a plurality of vertical flocculators. The mixing unit further comprises a rapid mixing manifold. The rapid mixing manifold contains drilling fluids and flocculant polymers.