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Environmental Science & Compliance Blog
Latest water, wastewater, compliance, regulation, and technology articles from Water Channel by Rispri Labs.
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Curated water and environmental intelligence from waterchannel.risprilabs.com. Open any article to read it on Water Channel.
IIT Guwahati Breakthrough: Rotating-Anode Electrocoagulation Achieves Dual Arsenic & Fluoride Removal
Published in Chemical Engineering Journal (Aug 25, 2026), the single-stage electrochemical reactor removes 98.2% arsenate and 91.8% fluoride from groundwater at ₹18–58 per 1,000 liters.
Delhi Govt Proposes Reclaimed Water Policy 2026: Mandatory Sewage Reuse for Construction & Farmhouses
Draft regulation mandates 100% treated effluent usage for construction sites ≥500 m² and sets commercial farmhouse tariffs at ₹10,000/acre/month to unlock 363 MGD unused treated wastewater.
MoEFCC Releases 2026 National Zero Liquid Discharge (ZLD) Guidelines for Industrial Clusters
Updated Ministry framework sets mandatory ZLD mandates for chemical, textile, and electroplating clusters generating over 50 KLD effluent, requiring RO recovery ≥ 90% and MVR crystallization.
Biomimetic Aquaporin RO Membranes Achieve 45% Energy Cut in Industrial Water Reuse
Engineered water-channel proteins integrated into polyamide membranes enable ultra-high hydraulic permeability at half the operating pressure of conventional SWRO membranes.
CPCB Issues 2026 Protocol on Heavy Metal Precipitation & Sludge Stabilization for Metal Finishing Units
New CPCB technical directive mandates two-stage chemical precipitation SOPs, hexavalent chromium reduction, and toxic metal sludge encapsulation for electroplating facilities.
What your effluent's BOD/COD ratio reveals about your ETP's treatability
CPCB enforces absolute discharge limits, but the BOD/COD ratio is what tells you why your biological ETP is failing.
ETP vs STP vs ZLD: A plain-English technical guide for industrial plant managers
Understanding the functional, chemical, and regulatory differences between treatment plant types.
CPCB identifies 296 polluted river stretches across India - what the Priority I data shows
While total polluted stretches declined, 37 'Priority I' river sections - including the Yamuna and Sabarmati - face severe organic pollution.
Arsenic in 230 districts, Fluoride in 469: Mapping India's geogenic groundwater challenge
Geogenic contaminants threaten drinking water safety and complicate industrial process water treatment across 27 states.
India extracts 60% of its replenishable groundwater - new parliamentary data shows where the stress really sits
The national average looks manageable. It isn't, once you look at which 281 districts are pulling the number down.
Microplastics have been detected in groundwater 60 - 100 metres deep in rural Karnataka
The assumption that depth equals protection from surface contamination no longer holds for plastic particles.
Jal Jeevan Mission 2.0 approved with ₹8.69 lakh crore - the focus shifts from pipes to performance
82% of rural households now have tap connections. The new mission is about making sure the water actually flows.
AI and digital twins are transforming how membrane bioreactors are operated - not just monitored
Predictive fouling control and explainable AI are moving MBR from operator judgement to data-driven automation.
India's Consent to Operate is now valid indefinitely - what that actually means
MoEFCC's January 2026 amendment ends periodic CTO renewals, but the compliance clock hasn't stopped.
Pollution penalties now feed a ring-fenced restoration fund - not the general exchequer
The Environmental (Protection) Fund Rules, 2026 change where the money goes when you pollute.
India's new Solid Waste Management Rules mandate four-stream segregation from April 2026
The 2016 rules had two bins. The 2026 rules have four - with digital tracking and SPCB penalties for non-compliance.