What is meant by flocculation
The process by which individual particles of clay aggregate into clotlike masses or precipitate into small lumps.
Flocculation occurs as a result of a chemical reaction between the clay particles and another substance, usually salt water.
What is the difference between coagulation and flocculation
Flocculation is synonymous with agglomeration and coagulation / coalescence. Basically, coagulation is a process of addition of coagulant to destabilize a stabilized charged particle. Meanwhile, flocculation is a mixing technique that promotes agglomeration and assists in the settling of particles.
What is the purpose of flocculation in water treatment
Flocculation: A process wherein colloids come out of suspension in the form of floc, either spontaneously or due to the addition of a clarifying agent. It is used in applications like water purification, sewage treatment, cheese production and brewing, for example.
What is flocculated and Deflocculated
There are suspensions that can be either flocculated or deflocculated. The main difference between flocculated and deflocculated suspension is that the rate of sedimentation in a flocculated suspension is rapid whereas the rate of sedimentation in a deflocculated suspension is slow.12 Dec 2017
What chemicals are used in flocculation
Examples of ChemTreat coagulants include aluminum salts, iron salts, and polyelectrolytes. Flocculants gather the destabilized particles together and cause them to agglomerate and drop out of solution. Examples of ChemTreat flocculants include low-, medium-, and high-molecular weight polymers.
What causes flocculation
Flocculants, or flocculating agents (also known as flocking agents), are chemicals that promote flocculation by causing colloids and other suspended particles in liquids to aggregate, forming a floc. Flocculants are used in water treatment processes to improve the sedimentation or filterability of small particles.
Why is flocculation important
The efficiency of coagulation and flocculation will greatly determine the success of your entire treatment process. Flocculation is the accumulation of destabilized particles into microfloc and later into bulky floccules. During this process, slow stirring and particle contact aid the formation of the floc particles.
What is flocculation value
Flocculation value: The coagulating power of an electrolyte is usually expressed in terms of its flocculation value which may be defined as the minimum concentration (in millimoles per litre) of an electrolyte required to cause the coagulation of a sol.
What is the purpose of coagulation and flocculation
Coagulation-flocculation is a chemical water treatment technique typically applied prior to sedimentation and filtration (e.g. rapid sand filtration) to enhance the ability of a treatment process to remove particles.
Where is flocculation used
It occurs naturally or artificially in water as well as other solutions. Flocculation is used in applications such as water purification, sewage treatment, cheese production, and brewing. It is also used in surface and physical chemistry, biology, and civil engineering.
Why is alum added to the water
Aluminium Sulfate, Shortly known as Alum, when added to raw water reacts with the bicarbonate alkalinities present in water and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water, and settles down at the bottom of the container.
What is flocculation and why is it important for clean water
In conventional coagulation-flocculation-sedimentation, a coagulant is added to the source water to create an attraction among the suspended particles. The mixture is slowly stirred to induce particles to clump together into “flocs.” The water is then moved into a quiet sedimentation basin to settle out the solids.
How does a flocculant work
Flocculant, or pool floc as it’s sometimes called, is a chemical that you add to your pool when other methods of clearing it up aren’t working. The flocculants clump together floating particles in the water that are too small and light to sink to the bottom to be vacuumed up.
How do you find the degree of flocculation
The degree of flocculation was determined 8, 9 following the equation β= F/Fα, where F is the ultimate sedimentation volume in the flocculated suspension and Fα is the ultimate sedimentation volume in the deflocculated suspension.
What is flocculation in immunology
flocculation. [flok″u-la´shun] the formation of a precipitate or agglomerate in the form of downy tufts or floccules. flocculation test any serologic test in which flocculation takes place; usually applied to a variant form of the precipitin reaction.