The Amalgam Blogs

Masking agents just cover up unpleasant odours. They don't take out the gasses that cause them. Oxidation treatment is different. It interacts with the molecules that cause the odour to chemically neutralise it - rather than simply masking it with a greater aroma. We recently assisted a STP to shift from daily masking sprays to an oxidation-based smell control program. In a matter of days, complaints dwindled, air quality improved and the need for continual spraying eliminate

Yes, a STP can smell really awful and still comply with all the discharge restrictions. Water quality checked for discharge restrictions. They don’t monitor air quality. A plant can have clean treated water and still be releasing toxic gas into the air. And that’s exactly what happened with the housing society we worked with. The STP reports appeared great, but residents kept complaining. The main problem was in the gas, not in the water. Why Does Sewage Treatment Plant Smel

Yes, you can remove a strong rotten egg smell from a collection tank in less than 24 hours. We did it using a simple oxidizing additive. No new equipment. No major changes. Just the right product, dosed the right way. This blog shows you exactly how we did it, step by step. Why Does My ETP Smell Like Rotten Eggs? This is one of the most common queries we receive from plant operators. The solution is easy. Your ETP stinks of rotten eggs because of a gas called hydrogen sulfide

Yes, treated wastewater can still smell bad even when the biological system is working well. We found this out the hard way. Everyone assumed the smell meant the bacteria were not working. They were wrong. The real cause was sitting downstream, in a place nobody checked first. This blog tells you exactly where we found it. Why Does Treated Wastewater Still Smell? This is a question that confuses many plant teams. “Water after treatment is supposed to be clean. So why does was

One of the major concerns for any wastewater treatment plant is a sudden spike in BOD. In the case of heavy organic load the micro-organisms will take oxygen considerably faster. Without quick operator action, dissolved oxygen can fall, biological activity can be lost and effluent quality can suffer. We studied the application of oxygen booster for wastewater treatment to stabilize the system in one such situation. Results indicated that supplementary oxygen can aid in the re

In many wastewater treatment plants, operators feel that if the blowers are functioning, oxygen levels are sufficient. But this isn’t always the case. We recently had a situation where the biomass activity declined rapidly because of the low dissolved oxygen condition of the aeration tank. What was shocking was that the blowers were running all the time. The outcome was an unanticipated MLSS reduction problem in the aeration tank that compromised treatment efficacy and raised

If your MLSS is in range, pH is stable, DO is adequate and BOD removal is still poor, the answer is almost certainly micronutrient deficiency in wastewater treatment. This is the most underdiagnosed failure in biological treatment, costing plants months of poor performance before anyone looks at it. Here is exactly what micronutrients do inside an aeration tank, how to spot deficiency, and what a targeted wastewater treatment nutrient supplement can do to fix it. The Gap Nobo

Yes, you can significantly reduce urea and DAP dosing in your ETP or STP without crashing your MLSS. Reducing urea in wastewater treatment does not mean starving your biomass. It means replacing a crude chemical input with something smarter. In this article, we walk through exactly how a pharmaceutical ETP cut its urea and DAP usage by 60%, maintained MLSS stability in aeration tank throughout the transition, and achieved better BOD and COD removal than before using a marine

You've already done your research. You know your ETP need a carbon source. You might have tried starch, jaggery or something like that and you are not totally happy with the outcomes. This article is for you. We are going to walk over exactly what happened when a pharmaceutical business converted from starch to a liquid carbon source in their ETP, what the data looked like before and after and what you should think about before making the similar decision for your plant. Why

We failed commissioning. Twice. The first time the consultant blamed the bio-culture. The second time every one was pointing at operating settings. But the real problem, the one nobody figured out until the third attempt, was hiding in our aeration tank. We had a carbon source for wastewater treatment problem and we didn't even recognize it. What went wrong, what we learnt, and how correcting one neglected aspect finally brought our biological system to life. The Plant Looke

Washroom odour in commercial facilities is caused by uric acid buildup in urinal traps and drain lines, biofilm in pipelines, and inadequate cleaning frequency, not insufficient air freshener. Eliminating it permanently requires enzyme-based drain treatment, structured cleaning schedules, and the right products for each surface and fixture type. The Washroom That Smells Clean for One Hour and Bad for the Other Seven Every facility manager in India knows this pattern. The wash

Yes, most commercial toilet cleaners in India contain hydrochloric acid (HCl) at concentrations of 5–15%, which permanently etches ceramic glaze, corrodes metal pipe fittings, degrades rubber seals, and destroys septic tank biology with every application. The damage is invisible early and irreversible late. The Toilet That Gets Cleaned Every Day but Gets Worse Every Year Walk into any mid-scale hotel washroom, school toilet block, or office restroom that has been cleaned dail

The right floor cleaner for high-traffic areas in India must meet three non-negotiable criteria: effective pathogen elimination, surface safety under repeated daily use, and compliance with sector-specific standards such as NABH for hospitals and Kayakalp for government health facilities. One product cannot serve all three environments equally, here is how to choose correctly. Why Floor Hygiene in High-Traffic Spaces Is a Decision, Not a Habit Most facilities in India clean t

Chemical floor cleaners, particularly acidic, bleach-based, and high-alkalinity formulas, physically etch and degrade marble, granite, and natural stone with every application. Enzyme-based floor cleaners work at a biological level, breaking down organic soil without altering surface chemistry. The stone stays clean and intact. Your Daily Cleaning Routine Is Slowly Destroying Your Floors There is a pattern in hotels, offices, and premium commercial spaces across India that fa

Commercial facilities are consolidating cleaning products because managing multiple specialised cleaners creates hidden costs: procurement complexity, staff training errors, storage burden, and inconsistent usage. A well-formulated all-in-one commercial cleaner eliminates this operational drag without compromising surface coverage or cleaning performance. Your Cleaning Cupboard Is Quietly Draining Your Budget Open the cleaning storage area of any mid-size hotel, office buildi

Enzyme-based cleaning uses naturally occurring biological catalysts including protease, lipase, and amylase, to break down organic waste, grease, and stains at a molecular level. Unlike chemical cleaners, they leave no toxic residue, emit no harmful VOCs, and are safe for people, surfaces, and drains. That is the short answer. The Problem With How Indian Commercial Spaces Have Been Cleaning Across Indian offices, hotels, and retail spaces, the cleaning protocol has followed t

Most commercial spaces in India have invested in three of the four sensory dimensions. The lighting is designed. The music is chosen. The interiors are fitted out with intention. But walk into the majority of retail stores, hotel lobbies, and office receptions, and the air carries no deliberate message at all. The ones that do scent their spaces have a second problem: inconsistency. The fragrance is strong on some days, absent on others. It depends entirely on whether a staf

There is a five-star hotel in Mumbai where guests have been known to ask housekeeping for the name of the fragrance in the lobby. Not the flowers. Not the cleaning product. The scent in the air. They cannot see it. They cannot touch it. But they remember it, and they come back because of it. This is scent marketing India is beginning to understand, and the businesses that grasp it first are already building a loyalty advantage their competitors cannot easily copy. What Is Sce

Walk into any luxury hotel lobby, premium retail store, or well-designed corporate office, and you will notice something beyond the visuals, the air itself feels different. That is not an accident. It is deliberate ambient scenting for businesses, and it is reshaping how decision-makers think about workplace design, customer experience, and brand identity. Scent diffusers for commercial spaces are no longer a luxury add-on. They are a strategic business tool, one backed by de

Industrial odour creates multiple problems which include violation of regulations and health risks for workers and damage to company reputation. Decision-makers across wastewater treatment, food processing, pharmaceuticals, and manufacturing face increased demands to resolve odour issues without producing additional odour issues. For a full breakdown of industrial odour neutraliser options across these sectors, read our guide on industrial odour neutraliser solutions for food