Page 140 - CW E-Magazine (22-4-2025)

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Tech in the presence of Mr. Shandar 15 countries including an in-house ing and technology integration. Chemie
S.M. Zaidi, Director – Green Hydrogen & engineering centre in Vadodara. Tech will be responsible for the execu-
Ammonia, CTDMCC. tion of these projects, covering concept
Under the partnership with CTD- to commissioning implementation
CTDMCC and its associates are MCC, BGR Tech will provide critical majorly focusing on FEED, FID support,
leaders in project development (BOT/ green hydrogen generation and purifi ca- licensor tie-ups, designing, engineering,
BOO) and contracting (FEED & EPC) tion equipment, including electrolysers supply & integration of BOP, construc-
in the oil, gas, renewable energy, and and associated engineering expertise, tion, erection, commissioning (EPC),
infrastructure sectors. It has presence in leveraging its experience in manufactur- and operations & maintenance (O&M).

RIVER CLEAN UP
Delhi Govt. mulls ban on use of soaps, detergents

in car washes to tackle Yamuna pollution

The Delhi Government is exploring
options including banning the use of
soaps and detergents in car washes to
reduce the phosphates and surfactants
contained in them from entering
Yamuna River.

The Yamuna, once a lifeline for the
capital, is now a near-dead waterbody,
plagued by severe contamination.

Water minister Mr. Parvesh Verma
said that cleaning the river necessita-
ted strict measures like this. be processed easily at the nearby growth whose decay would consume
Sewage Treatment Plant (STPs),” oxygen. This would cause stench,
The minister said that before exe- Mr. Verma said. reduce the quality of water and
cuting the ban, an awareness campaign deprive fi sh populations of oxygen.
would be launched to make people Govt. offi cials said there was a
aware about the consequences of plan to launch a large-scale aware- Toxic froth on the surface of the
using car-wash products. Govt. offi cials ness campaign to inform people that Yamuna has become a regular feature
claimed that banning the use of such when cars were washed using soaps now. According to experts, the pri-
products would reduce the amounts or liquids on paved surfaces like mary reason for the foam formation
of phosphates, surfactants and other driveways or streets, the soapy water, is the high phosphate content in the
chemicals entering the wastewater along with dirt, grease and oil ran off wastewater fl owing into the river due
system. into stormwater drains. In urban loca- to detergents used in dyeing indus-
tions in the city, these drains often tries, dhobi ghats and households.
An alternative plan is also be- connect directly with the Yamuna or
ing contemplated. Space near sewage its tributaries, bypassing STPs. A large number of unbranded
treatment plants may be allotted for detergents are used in households and
opening car-wash centres, where treated The offi cials explained that deter- dyeing industries. The wastewater
wastewater can be used. “At these gents created foam in the river water containing high phosphate content
centres, the city’s car owners can get that impacted oxygen levels in the reaches the Yamuna through un-
their vehicles washed at nominal rates. water, resulting in fi sh and other aquatic tapped drains. These detergents and
life being suffocated. Phosphates other organic matter get deposited in
The resulting wastewater can from soap can cause excessive algal the riverbed.

140 Chemical Weekly April 22, 2025

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