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The Effluent Treatment plant or Sewage Treatment Plant once constructed needs to have operation & maintenance through qualified & experienced persons to serve efficient & effective operation of ETP/STP, Kohsa Analytics's provides a qualified operator & supervisor who maintains all the records of the operation and attends the day to day supervision.
Kohsa Analytics's offers its clients well-trained, qualified and experienced operators with expert supervisors to facilitate smooth day-to-day troubleshooting at operations and maintenance of ETP and STP. Operators are also trained to maintain all records so that it becomes easier to early signs of irregularity. Kohsa Analytics's also helps its clients in achieving outlet norms as per the pollution control board, it also provides preventive maintenance to avoid major breakdowns.

Wastewater contains around 99.9% water by weight with the remaining 0.1% representing dissolved solids or other suspended materials. This material includes excrement, detergents from washing clothes and dishes, food scraps, grease, oils, plastics, salts, sand, grit, and heavy metals. Some wastewater from industrial or agricultural processes may also contain chemicals that may be hazardous to the environment or to public health and which need to be neutralized or removed from the water before it can be safely reintroduced into the environment. The primary objective of wastewater treatment processes is to purify the water and make certain that it is safe for subsequent use once it has been returned to the environment as part of the water cycle. Kohsa Analytics's provides chemical treatment of wastewater, In chemical treatment, chemical reactants break down pollutants. It is ideal for wastewater with high chemical toxin contents, such as the wastewater from chemical or pharmaceutical manufacturing, pump and paper mills, laboratories, and textile manufacturers. It is also optimal for removing the heavy metals found in mining wastewater. The chemical effluent treatment plants (ETPs) that treat these wastes use chemical treatment methods.

Most wastewater chemical treatment involves the following steps:

1. Precipitation: During precipitation, chemical wastewater treatment facilities cause metals to precipitate out of the wastewater. Chemical treatment often adds charged ions to the water that the existing metallic ions can react with to form new, harmless substances.

2. Coagulation and flocculation: Coagulation in chemical wastewater treatment means adding chemical substances that combine with the smaller waste particles to form larger, heavier particles. The chemical coagulants are often aluminum-based substances such as alum and poly-aluminum chloride. Flocculation occurs when the smaller, suspended particles come out of suspension to form large, solid clumps the plant can easily remove.

3. Ion exchange: During ion exchange, treatment plants use ion-containing resins to cause harmless ions to trade places with the toxic ions in the wastewater. In chemical water treatment, ion exchange is a common step for processes intended to produce pristine water, such as drinking water or water for industrial processes.

4. Disinfection: Disinfection, which kills or sterilizes harmful microorganisms like viruses and bacteria, is sometimes the final stage for wastewater that requires a stringent level of treatment before reuse. Chlorine is a common and economical disinfectant. Other options include ozone treatment and ultraviolet (UV) light sterilization.

Depending on the contaminants, the wastewater may undergo intermediate steps, such as pH adjustments to enhance coagulation or temperature adjustments to optimize chemical reactions.

The scaled-down version of full wastewater treatment processes that are conducted on-site are Pilot Plant Studies. They are structured to simulate processes developed during the treatability studies, which are, in most cases, previously conducted in the laboratory. They are temporary systems typically built with manual or semi-automated controls that run for a prescribed period of time before the full-scale system is proposed.

Pilot plants are typically constructed with equipment comprising off-the-shelf components or may consist of state‑of‑the‑art components and can be used to:

1. Quickly correct wastewater treatment problems in the event of an effluent contamination emergency or remedial event

2. Ensure the technologies designated as a result of the treatability study are effective

3. Help determine the most efficient arrangement of technologies used in the design of the recommended full-scale system

Once the pilot study is successful, Kohsa Analytics offers a proposal to the facility to design, fabricate, install, and commission the unit.