Image -Oil Skimming tank What is Skimming tank? The tank in which scum formation is created by air diffusion through the sewage is called Skimming tanks. Skimming Tank Design Skimming tank Diagram Skimming tanks are narrow rectangular tanks which is having at least two longitudinal baffle walls interconnected. Skimming tank are used to remove grease and fatty oils … Read more
What is Activated Sludge Process (ASP)? Activated sludge process is a type of wastewater treatment, Which can be referred or defined as a biological treatment processes that use a suspended growth of organisms to remove BOD and suspended solids and process requires an aeration tank and a settling tank. History The activated sludge process was developed … Read more
Image-Trickling filters system What is Trickling filters? Trickling filters are adopted for giving secondary treatment to sewage in wastewater treatment process. trickling filters consists of tanks of coarser filtering medium, over which the sewage is allowed to sprinkle or trickled down by means of spray nozzles or rotary distributors. The percolating sewage is collected at the … Read more
Grit chamber for wastewater treatment plant What is Grit Chamber? Grit chamber is the second unit operation which is used in the primary treatment of wastewater. Grit chamber is used to remove sand and other heavy matters(grit) which are inert inorganic such as metal fragments, rags etc. If not removed in preliminary treatments, grit in primary settling tank … Read more
Screening: Screening process is the first and essential step in the treatment of sewage. It consists of passing sewage through different sized screens to trap and remove comparatively large size of floating matters. If such floating matters are not removed, they may damage pumps and mechanical equipment’s, and it will interfere with the satisfactory operation … Read more
What is Wastewater? Wastewater is nothing but any normal or fresh water which is contaminated with waste’s from domestic, humans or any industrial. Which are basically not suitable for any kind of usage unless they are treated at wastewater treatment plant’s or units. Also Read: What is sanitary engineering?| Definitions of some common terms Characteristics of … Read more
Wastewater Treatment Plant Before you jump to treatment process, read a quick brief about the purpose of wastewater treatment. Why Wastewater Treatment process is Important? Wastewater is nothing but normal water which is contaminated with domestic or industries wastes. The main purpose of this treatment is too ensure reducing health risks and environmental pollution. And some other purpose like … Read more
What is Sewerage? Sewerage is the system or infrastructure by which waste matter or sewage is carried away in sewers. There are 3 different types of sewerage systems, As explained below Types of Sewerage Systems: 1. Separate System of Sewage 2. Combined System of Sewage 3. Partially Combined or Partially Separate System Separate System of … Read more
METHODS TO CONTROL EVAPORATION FROM LAKES the below recommended measures can be effective to reduce evaporation from water surfaces. 1) The storage reservoirs should have more depth and less surface area. The area or site for construction of a dam should be so chosen that a deep reservoir with minimum surface area exposed to atmosphere is … Read more
Definition Ready Mix Concrete (RMC) is defined as per IS 4926 :1976 as ― concrete delivered at the site or in to the purchasers vehicle in a plastic condition and requiring no further treatment before being placed in position in which it is said to be harden. Advantages of Ready Mix Concrete(RMC) 1. Uniform quality of concrete is … Read more