There are various kind of wastewater treatment method though, this article is about coagulating sedimentation. This is a method which is based on flocculation treatment. Coagulating sedimentation method This . Skip to the content Skip to the Navigation.
| Coagulating Sedimentation Treatment Equipment 2 1-1. Elepon E.C.A.P. Corporation - Coagulation Sedimentation Treatment Unit - Features - Suspended Solid can be efficiently removed with original coagulation sedimentation method. - Drainage volume and time of sl udge can be set up as you like by adoption of automatic sludge drainage system.
The invention relates to the treatment of waste water containing a harmful ion such as a heavy metal ion or fluorine ion by the coagulating sedimentation method using an inorganic coagulant such as an iron compound or an aluminum compound. After separating treated water from the sediment (sludge) in which the harmful ion is incorporated in insoluble form, the pH of a mixture of the sediment ...
The invention relates to the treatment of waste water containing a harmful ion such as a heavy metal ion or fluorine ion by the coagulating sedimentation method using an inorganic coagulant such as an iron compound or an aluminum compound. After separating treated water from the sediment (sludge) in which the harmful ion is incorporated in insoluble form, the pH of a mixture of the sediment ...
EP0802165B1 - Method of treating waste water to remove fluorine ion by coagulating sedimentation - Google Patents
Sedimentation is one of several methods for application prior to filtration: other options include dissolved air flotation and some methods of filtration. Generically, such solids-liquid separation processes are sometimes referred to as clarification processes. There is a variety of methods for applying sedimentation and include: horizontal flow, radial flow, inclined plate,
The unit has a built-in coagulating mechanism, which allows effective flock forming, contributing to good sedimentation and extremely pure treated water. In the submerged part there are few movable parts, allowing easy maintenance and long life of the unit.
The invention relates to the treatment of waste water containing a harmful ion such as a heavy metal ion or fluorine ion by the coagulating sedimentation method using an inorganic coagulant such as an iron compound or an aluminum compound. After separating treated water from the sediment (sludge) in which the harmful ion is incorporated in insoluble form, the pH of a mixture of the sediment ...
Coagulating Sedimentation Outline of the System. Coagulant/coagulant aid are added in the raw water to form flocks and apply sedimentation treatment, removing suspended solids in the raw water. Sludge is drawn out periodically as slurry.
May 12, 1998 · The principal feature of the invention is reusing the sludge produced by a coagulating sedimentation method as inorganic coagulant after eluting the harmful ion from the sludge. By this method the treatment of waste water can be accomplished without producing a large quantity of sludge since the sludge is mostly reused after restoring ...
Super High-Speed Coagulating Sedimentation Equipment. Capable of processing approx. 20 times faster compared with conventional coagulating sedimentation processing system. Super High-Speed Coagulating Sedimentation Equipment. There are increasing user's needs for space saving and power saving for separation and removal of SS.
Coagulation and flocculation are essential processes in various disciplines. In potable water treatment, clarification of water using coagulating agents has been practiced from ancient times. As early as 2000 BC the Egyptians used almonds smeared around vessels to clarify river water.
The invention relates to the treatment of waste water containing a harmful ion such as a heavy metal ion or fluorine ion by the coagulating sedimentation method using an inorganic coagulant such as an iron compound or an aluminum compound. After separating treated water from the sediment (sludge) in which the harmful ion is incorporated in insoluble form, the pH of a mixture of the sediment ...
method conventionally used was the coagulating sediment method*1 which uses calcium hydroxide {Ca (OH) 2} as the treatment agent. Figure 1 shows the treatment flow. *1 Coagulating sedimentation method is a method to sedimentate solid matter in the solution utilizing specific gravity differences.
In addition , the result of comparing the coagulating filtration method with the coagulating sedimentation method shows that the former method is superior to the latter one when other conditions are fined . finally , a primary estimation of operation cost for defluorination using pac as coagulant is
Jan 05, 1999 · It is an object of the present invention to provide an improved method for treating waste water containing a harmful ion such as a heavy metal ion or fluorine ion by coagulating sedimentation using an inorganic coagulant, which method can greatly decrease both the quantity of produced sludge and the consumption of the inorganic coagulant and ...
An untreated flow of waste water is normally introduced into a plain sedimentation unit during plain sedimentation periods to separate it into sand and a flow treated by plain sedimentation. During other periods, for example periods of heavy rain, a coagulating agent, ballast sand and a flocculating agent are introduced. The coagulated flow is passed into a maturation intermediate area and ...
The coagulation–sedimentation kinetics in a spatially heterogeneous disperse system is theoretically analyzed. The expression for the suspension concentration c as a function of time t and depth ...
Coagulation Sedimentation Method. This is a method for forming flocks, coagulating and settling out by adding inorganic coagulants or organic polymer coagulants to the particles that are relatively large or have large specific gravity differences.
Coagulation Sedimentation Method. This is a method for forming flocks, coagulating and settling out by adding inorganic coagulants or organic polymer coagulants to the particles that are relatively large or have large specific gravity differences.
If sedimentation basins have sufficient sunlight, algae will grow on the walls of the basin. These algae can break loose and clog the filter. Algae are best treated with shock chlorination, a method of feeding 5-10 ppm of chlorine into the raw water or of sprinkling HTH around the basin walls just before the plant is shut down for a few hours ...
When two-stage coagulating sedimentation method, apply fluoride concentration of below 10 milligram/lit. in the treated water is achievable. In conventional process, sodium carbonate is added in the coagulating sedimentation tank on the second stage, causing scaling of calcium carbonate.
A method for determining the critical coagulation concentration (C c) from the change in the transmittance of the sol with stand time after adding a coagulating agent is discussed. Potassium nitrate was used as the coagulating agent because the specific adsorption of electrolyte ions on the particle and the hydrolysis of electrolyte ions are negligible.
Studies on the Effect of Al~(3+) Sedimentation Method on the Result of Preparing Tea -polyphenol Al~(3+)沉淀法对茶多酚制备效果的影响研究 短句来源 It's shown that the content of MgO has notable impact to catalysts, The catalysts made in different methods have the highest activities between the content of MgO 20% and 30% (mole percentage ), The suitable way was sedimentation ...
Sedimentation Removal of suspended solid particles from a uid (liquid or gas) stream by gravitational settling. Most common to use a liquid rather than gas phase. Some semantics: I Thickening: generally aims to increase the solids to higher concentration; higher throughput processes I Clari cation: remove solids from a relatively dilute stream,
For the coagulating agent, i.e., ferric chloride, the highest efficiency over 5 min of sedimentation was more than 60% achieved at 500 mg/l concentration (Fig. 3a). However, note that this is a very high concentration, so it may have unfavorable effects on subsequent biomass processing.
Sedimentation is a simple, low cost pre-treatment technology to reduce settable solids and some microbes from water under the influence of gravity prior to application of other purification methods. It also improves the visual qualities of the water and increases its acceptance by consumers.
Feb 24, 2008 · cost effectiveness and low energy consumption are the main advantages of sedimentation process. the gravity or gravitational force of earth is the only factor o sedimentation. even though if v do the sedimentation process for long time, some smaller and micro level particles called colloids will have brownian movement in d solution so v cannot have clear solution in order to obtain coagulating ...
After treating the sewage of spinning,boiled bleach and air conditioner respectively which are included in linen wet spinning waste water,we adopt the combined treating technological method,in which the core is coagulating sedimentation,to the waste water After that,the elimination rate of COD,SS and chromaticity in the treated waste is 87.0% ...
The treatment method of ion-exchange resin regeneration waste liquid removes organic substances and sulfates from the ion-exchange resin regeneration waste liquid generated when the ion-exchange resin used for removing the impurities in the raw water is regenerated with the regenerant, by the coagulating sedimentation method using polyaluminum ...
Coagulation-sedimentation Method Using Aluminum Sulfate and Calcium Hydroxide for Removal of Boric Acid from Wastewater. Improvement of Removal Rate of
Sep 10, 2002 · What is claimed is: 1. A method for treating waste water based on high speed coagulation-flocculation and sedimentation which method is conducted in an arrangement for treating waste water based on a high speed aggregation and sedimentation, comprising a mixing tank, an agitating tank, a polymer aggregation tank and a sedimentation tank successively connected, said
The method of coagulating sedimentation was used in the process of concentration of HIMS tailings, flotation concentrate and flotation tailings, and treatment
