Page 342 - Industrial Wastewater Treatment, Recycling and Reuse

314 Industrial Wastewater Treatment, Recycling, and Reuse

The treatment chain for the 3 MLD capacity RO plant for wastewater reuse
at Vadodara (Figure 7.8) comprises the following units:
• Wastewater from effluent channel
• Chemical feeding (lime, polyelectrolyte, soda ash)
• Clarification
• HCl addition
• Press filtration
• Sodium bisulfate
• Cartridge filtration
• Reverse osmosis
• Degasser to remove CO 2
• For reuse.
It can be seen that here the major emphasis is on RO process that is cost
intensive process. Use of many chemicals can be reduced that will also help
in reduction in the sludge generation. Different treatment alternatives/
combinations in this regard, need to be searched and used.

7.5 URBAN-INDUSTRIAL WATER SUSTAINABILITY: 2030
7.5.1 Water Management, Policies, and Legislation Related
to Water Use in Agriculture
Under the Indian Constitution, water is, by and large, the responsibility of
the states. Thus, the states are primarily responsible for the planning, imple-
mentation, funding, and management of water resources development. This
responsibility in each state is borne by the Irrigation and Water Supply
Department. The Inter-State Water Disputes Act of 1956 provides a frame-
work for the resolution of possible conflicts.
At central level, which is responsible for water management in the union
territories and in charge of developing guidelines and a policy frame work
for all the states, there are three main institutions involved in water resources
management, as described below.
It is conceived from the Ministry of Water Resources (MWR) goal that the
useofcountrywaterresourcesisgovernedbythepolicyguidelinesandprograms
formulated at regular stipulated periods. The Central Water Commission
(CWC), being the ministry’s technical arm, provides general infrastructural,
technical,andresearchsupportforwaterresourcesdevelopmentatthestatelevel
(CWC, 2006). The CWC is also responsible for the regular assessment of water
resources.ThePlanningCommissionisresponsiblefortheallocationoffinancial
resources required for various programs and schemes of water resources