I request advice on STP. If SPCB grants the consent to operate STP of 400 M3/day, then is it necessary to install single STP of 400 m3/day? OR can we install two or three STP (packaged)with cumulative capacity of 400 m3/day, if the area of plant is large and scattered.?
Is there any non compliance, if the industrial Plant has 3 STPs of total "consented capacity" instead of single STP?
Decentralized system is required , when the area is large and require to cater to all parts of plant.
Thanks in advance..
Replies
Consent to operate for perticular place. Whatever you do should be done within the designated place.
Dear Mr Gorji,
In most of the Cases where the project Site is located no UGS facility are vailable.It would not be fit to dispose into Storm Water drain or odai where there is no flow of water most of the time except during rains.That is why many of the SEIAAC INSISTS FOR ZERO DISCHARGE.
rGS
Ganesan.V
No issues. As per Water Act, you are entitled to identify the technology including the configuration of STP which suits the industry/Area Development Project/Multi storied Housing Complex. The standards should be adhered for disposal of treated effluents and disposal method as per Consent for Operation issued by SPCB
thanks, this is usefull, can i have brief of that projects or any URL?will contact Dr. jain, once i refer case of Indore.
The Seewage can be treated in the drains itself by use probotics and enzymes.
This kind of work has been already carried out Indore. for the drain length of 12 kms. in AB road. For details please contact Dr. S K Jain, his number is 09302105645.
Regards
Ajmal
1. The CTE is generally issued after reviewing the details given by you including the total capacity for a particular type of technology, at a particular site including disposal point.
2. In that application, details of the units/ sizes/ modules etc need to be mentioned. Changes may be made with permission from the PCB provided outlet quantity does not increase, quality meets standards, site and disposal point is not changed.
3. In case of any change in these fixed items, then may be fresh CTE or revision etc may be required.
4. The quantity mentioned seems to be small and hence modules may not be required.
5. The recent ruling by NGT on STPs for environmental clearance may be applicable. Please confirm with the local PCB.
I think that the SPCB is concerned about satisfactory treatment of entire effluent. Two things are important in this connection. First, that the treatment should be adequate and secondly, it should be reliable. In a decentralised treatment system, it is easier to provide an appropriate treatment for the effluent at each site, since the effluent is likely to differ from site to site in the case of a large industrial establishment. However, reliability may be compromised in case there are several treatment units any one of which may develop a problem. The probability of failure may increase with the number of such units. In a single treatment plant, it is easier to ensure reliability.
However being scattered sewage generation source, you may construct different sewage collection points followed by centralize sewage treatment plant.
It can be taken stages-wise based on project progress & similar feasibility report can be submitted to PCB for water consent accordingly.
Regards
Mukesh Soni
However being scattered sewage generation source, you may construct different sewage collection points followed by centralize sewage treatment plant.
Regards
Mukesh Soni
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