Basic Need:
It is the basic need of designer or any installer/Operator "How to Treat Hospital Wastewater" and before that they should have an idea about the characteristic of Hospital Wastewater and process of treatments available in the markets etc. The characteristic of Hospital Wastewater depends on the practice of Hospitals/Clinics. ABC Enviro Solutions
Characteristic of Hospital Wastewater:
In general Hospitals Wastewater contain pharmaceuticals compounds, viruses, bacteria, laboratory chemicals, multi-resistant bacteria to medical contrast agents, radionuclides,
detergents, surfactants,
solvents, drug resistant microorganisms, chemicals for cancer treatment etc. Small amounts of hormone-disrupting substances and other medicine residues are also part of the wastewater that passes from patients.
In most cases and our studies, parameters of wastewater lies in between pH-4.5- 7, TSS- 100-200mg/liter, BOD 200-300mg/liter, COD 400-600mg/liter and O & G- <30mg/liter.
Treatment Process of Hospital Wastewater:
There are so many advance technology to resolve question "How to Treat Hospital Wastewater" in the market and such of them are:-
a. Membrane Bio Reactor treatment (MBR),
b. Ozonating,
c. Granulated Activate Carbon(GAC) and UV-treatment,
d. Chemical and Activate Carbon(GAC)- Treatment.
e. Electro Coagulation Method
Discussion Topic | Chemical and Granulated Activated Carbon Treatment Process:
As per our idea and application, Chemical and Granulated Activated Carbon Treatment process are chef and best method and question that "How to Treat Hospital Wastewater".
The Process Flow Description:
a.
Primary Treatment.
A fine and coarse bar
screen- to block the entry of debris/grits.
b. Oil & Grease Removal.
Oil & grease trap- to
prevent entry of oil & grease/small partials in to the system.
c. Collection of Wastewater
The wastewater is collected in a collection tank (Capacity
as per generation of wastewater).
and effluent
pumped in Flocculation and mixing chamber where coagulants and flocculants are
mixed for pre-requisite amount and for pre-determined time.
d. pH correction/Flocculation/Reaction.
Pumping of wastewater in the Mixing Cum Flocculation chamber
where coagulants and flocculants are dosed as per capacity of the plant/characteristic
of wastewater and mixing, flocculation will continue as per pre-determined time
to generate flocks.
e.
Settlement.
The flocks allowed settling below the tank for pre-
requisite time and to get supernatant water just top of the tank.
f.
Flocks Removal.
The flocks are discharge by opening given valve/valves.
g.
Tertiary treatment and final discharge.
This supernatant water is then pumped through PSF & GACF for tertiary treatment and for
final discharge/reuse.
h.
Disinfection.
Dosing of Disinfectant is for disinfection.
i.
Sludge Removal.
Sludge from Sludge Drying Unit bagged for disposal.
Process Flow Diagram:
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Process Flow Diagram.
|
Applications of Chemical Granulated Activated Carbon Treatment Process:
- Hospital, Clinics,
- Nursing Home,
- Medical College,
- Health Centre,
- Community Centre,
- Research Centre, Research Laboratory etc.
Benefits of Chemical Granulated Activated Carbon Treatment Process:
Low cost,
Small Foot print,
Less time for installation,
Easy to install,
Easy operation/anyone can operate by one time training,
Medical College,
Less time frame per batch operation,
Noise free operation,
Low sludge generation,
Comply environmental regulation norms.
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| A Typical Hospital ETP |
 |
| A Typical Hospital ETP |
 |
Treated Water
|
 |
A Typical Hospital ETP
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Installations:
Some of it kind are installed at different Hospital at Dhanbad, Jharkhand, India.
Our View:
As per our idea and application, "Chemical and Granulated Activated Carbon Treatment process" are Simple, Low Cost, Easy operation, Low Footprint, Easy Installation and best method & idea to solve your question/problems " How to Treat Hospital Wastewater".
Thanks!
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