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What is STP?

  •        STP receives the waste from domestic, commercial and industrial sources and filters it to remove the harmful substances that deteriorate water quality and affect public health and safety when discharged into rivers, canals, and other water bodies.   

We provide various chemical, physical and biological interaction to take out wastewater and to deliver an earth safe liquid waste stream.

          The objective behind supplying the commercial Sewage Treatment(STP) in the country is to create a disposable effluent without carrying any harm to the surrounding environment.

1.     What is Sewage?

Wastewater produced by a community is referred to as sewage
a) Domestic wastewater from sinks, toilets, and other plumbing fixtures
b) Discharges of untreated or treated industrial effluent into the stp.
c) Runoff from cities and rainwater.


The primary component of sewage is domestic wastewater. Sewage flow rates and composition vary from location to location based on economic factors, social behavior, the type and number of industries present, climatic conditions, water usage, type of sewer systems, etc. Suspended particles, soluble organic compounds, and faucal pathogenic bacteria are the three primary contaminants in sewage. In addition to human waste and water, sewage also contains a wide range of chemicals, including pesticides, heavy metals, trace elements, detergents, solvents, and other odd substances including medicines, antibiotics, and hormones, as well. hazardous substances, such as pesticides and vehicle oil, are carried out by urban runoff.

COMPOSITION OF SEWAGE
1. CLASSIFICATION OF SEWAGE

Domestic sewage, industrial sewage, and storm sewage are the three main categories of sewage.

  •  Household or sanitary sewage

Domestic sewage is made up of liquid wastes that are discharged from urinals, latrines, bathrooms, kitchen sinks, wash basins, and other plumbing devices in residential, commercial, or institutional structures. The extremely offensive odour of this sewage is caused by the inclusion of human excreta.

  •  Wastewater or Industrial Sewage

Industrial sewage is made up of liquid wastes from various industrial operations, such as dyeing, paper manufacture, brewing, etc. Industrial sewage quality depends on the type of industry and the chemicals used in their process waters. Before being disposed of in public drains, they may occasionally be exceedingly foul and require extensive treatment.

WHY  TO TREAT WASTE WATER?
  • It is important to take care of both the environment and our personal health.
  • To prevent groundwater pollution
  • To prevent sea shore
  • To prevent marine life
  • Protection of public life
  • To reuse the treated effluent, for agriculture,  groundwater recharge,  industrial recycle
  • Resolving the social issue brought on by the buildup of wastewater.

The environment and human health could be significantly damaged by improper wastewater treatment.

1. Characteristics of waste water

Wastewater is characterized as, Physical, Chemical, Biological

a.  Physical Characteristics of Wastewater

The physical characteristics of wastewater are based on color, odor, temperature, solids and turbidity.

• Color: Common wastewater is grey and appears hazy. While going to the septic, the wastewater’s color will change (if travel time in the collection system increases). Sewage from a septic system will be dark in color.

  • Odor: Domestic wastewater that is still fresh has a musty smell. This smell will turn into a rotten egg smell if the wastewater is permitted to go septic.
  • Temperature: To encourage biological activity, sewage should be maintained at a temperature of 20 °C. Wastewater frequently has a higher temperature than the water as a result of the addition of warm water from households and industrial buildings.
  • Supply Solids: Except for water, all substances in a liquid are referred to as solids. Total solids are all the materials that evaporate at 103 to 105 degrees Celsius and remain as residue. Those materials in wastewater that are not dissolved are referred to as suspended solids. Scum or floatable solids are the terms used to describe suspended materials that float. Grit, sludge, or settle able solids are the names for those suspended materials that eventually settle. Volatile solids are any solids that burn or evaporate between 500°C and 600°C. Fixed solids are those substances that do not burn or evaporate at temperatures between 500°C and 600°C but instead remain as a residue. Grit, clay, salts, and metals are all possible components of fixed solids, which are often inorganic in nature.
  • Turbidity: The amount that material floating in water reduces light transmission through the water is referred to as turbidity, which is a measure of water clarity.
b.  Chemical Characteristics of Wastewater

               Chemical characteristics of wastewater are: organic matter, measurements of organic matter, inorganic matter, gases, and pH.

  • Inorganic Matter: Chloride, nitrogen, phosphorus, Sulphur, hazardous inorganic compounds, and heavy metals are the inorganic substances in wastewater that are of concern.
  • Organic Matter: Carbohydrates like cellulose, cotton, Fibre, starch, sugar, etc. make up organic matter. oils and fats retrieved from garages, businesses, laundries, etc. proteins and the byproducts of protein breakdown are nitrogenous substances.
  • pH: This technique is used to determine how acidic the wastewater is. The pH scale ranges from 1 to 14. The pH of wastewater should typically be between 6.5 and 9.0. The pH value of the sewage must be determined, which is crucial.
  • Gases: The wastewater’s composition determines the specific gases and typical concentrations. Carbon dioxide, hydrogen Sulphide, and oxygen are all commonly found in relatively low amounts in home wastewater.
  • Oxygen Demand: There are three ways of expressing oxygen demand like as Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Theoretical Oxygen Demand (ThOD).
c.  Biological Characteristics of Wastewater

The presence of bacteria and other live creatures, such as algae, fungi, protozoa, etc., is what gives sewage its biological features.

Sewage Treatment Plant Process-STP:-
  1. Primary Treatment – It includes physical treatment which consists of screening, oil & grease removal, collection/ Equalization.
  2. Secondary Treatment – It includes biological treatment to degrade the complex organic matter into simpler compounds by micro- organisms.
  3. Tertiary Treatment –It disinfect the effluent by killing pathogenic bacteria and to remove residual suspended solids, organic matter, color, odor etc.
sewage treatment plant
Objectives of STP:-

a. To create a solid waste stream that is appropriate for reuse or disposal and a fluid waste stream that is safe for the environment.

b. To create disposable effluent without endangering the environment and to stop pollution.

c. To prepare human waste for disposal without endangering the environment or human health.

Additionally, it uses MBBR, or Moving Bed Bio Reactor, technology to efficiently and thoroughly filter water. Innovative technology known as the MBR (Membrane Bioreactor System) provides users with many operational and financial advantages over the price of traditional wastewater treatment facilities. Last but not least, our experts use SAFFR as another way for treating water.

In numerous industries, including the hospital, mechanical, food, and medical, we have offered STP services. The capacity ranges from around 1 KLD to 300 KLD.

What are the advantages of installing Sewage Treatment Plant?
  1. Reliable, unlikely to experience issues, and simply requires routine maintenance.
  2. Installation is possible even on difficult or small places.
  3. Cost-effective over time, requiring only payment for installation, power, and maintenance.
The following are the names of the businesses where we put our STP plant:
  1. Sahuwala Cereals Pvt Ltd, Pune
  2. Palm Grove Eco Resort, Andaman & Nicobar Islands
  3. Bahirat Estates LLP, Pune
  4. Ocean Highway facilities & solution Pvt Ltd, Lonand
  5. Cooper Corporation Pvt Ltd, Satara
  6. Cogeme Precision parts India Pvt Ltd
  7. Hy – Tech Engineering Pvt Ltd, Satara
  8. Inteva Product India Automotive Pvt Ltd, Pune
  9. Kelkar Auto parts Pvt Ltd, Pune
  10. Sejal World, Pune

Sewage Treatment Plant

Sewage Treatment Plant

With our sewage treatment plant products, you get easy and efficient process to remove contaminants from wastewater such as household sewage and effluents. Our products come with various features with chemical, physical and biological process to eliminate wastewater and to produce an environmentally safe fluid waste stream.

Being a complete blend of innovative technologies and supplying the machinery products to suit clients’ needs of hour, we in Pune, India are known for making it possible to reuse sewage effluent for drinking water. The objective behind supplying the commercial sewage treatment plant in the country is to create a disposable effluent without carrying any harm to the surrounding environment.

Our equipments for a complete solution are designed to have an array of systems: MBBR System, MBR System and Saffr System.

MBBR System

At Yash Enviro Tech India Pvt Ltd in Pune, India, we manufacture our plants by equipping them with MBBR system, which allows clients to have cost effective solution of removing containments from wastewater. This system, to the great extent, boosts the capacity and efficiency of existing wastewater treatment plants, reducing the size of new plant deployment.

MBR System

MBR system is one of the latest technologies to be used in sewage  treatment plants. Be it a suspended growth-activated sludge system, the MBR System utilizes microporous membranes for liquid/ solid separation rather than using secondary clarifiers. It allows having pure water and is applied at various places around the world.

SAFFR System

SAFFR System, like MBBR and MBR systems, is another technology used by us. Its inclusion makes our wastewater treatment systems of the highest standard, dealing with all environmental protection regulations. With the application of SAFFR System, we are able to give you the finest solutions of water treatment at the best rate. The products we manufacture are simple to install and a cost effective procedure to deal with wastewater for both businesses and the rural home. The contaminants removed from water with the help of SAFFR System is used for agricultural and irrigation purposes.

Sewage treatment plants include :

    • MBBR System
    • MBR System
    • SAFFR System

Related Services

MBBR
MBBR System

The Moving Bed Bio-Reactor (MBBR) Technology is a type of system, which helps purify water efficiently and effectively. 

MBR System
MBR System

With every morning introduces us to a new technology, MBR system is one of them. It is a superior effluent quality and lower lifecycle cost when compared with traditional activated sludge treatment.

saffr system
SAFFR System

Yash Enviro Tech India Pvt Ltd with the application of SAFFR system offers advanced wastewater treatment solutions for municipal and industrial markets.

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