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Brine Concentrator Scaling

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We have a problem with anhydrite (CaSO4) scaling on heat transfer surfaces of a series of brine concentrators (mostly MgSO4 at 20 – 40% TDS and pH 0.8 – 2.0). ...

Academic Treatment Scale & Corrosion Brine Discharge Modeling & Analysis Scale Inhibitors Desalination Water Treatment Systems Desalination

Removing Fluoride from Water

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I have a customer that has about 1500 customers and has a fluoride level of 4.3 ppm system average. The maximum contaminant level goal, as an adequate margin ...

Standards & Quality Purification Quality Quality Maintenance Water Quality Management Water Purification Fluoride

Increasing Drinking Water pH

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We are ​planning to use ​sodium ​carbonate (​Na2CO3) or ​sodium ​hydroxide (NaOH)​ in few ​drinking water ​applications to ​raise the pH: ​ Na2CO3 to ​raise pH ...

Academic Drinking Water Security Standards & Quality Drinking Water Treatment Drinking Water Managment Drinking Water Water Quality Management

Reducing Silica in RO

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I want to treat RO reject water with silica of 80 ppm, with a double RO pass. The recovery needs to be 80%. By design, I have the langelier saturation ...

Academic Purification Reverse Osmosis Quality Water Quality Water Quality Management

E. coli Test Method

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I am a WASH ​manager in ​Pakistan and I ​would like to ​know how to ​properly ​conduct ​an  ​  Escherichia coli  test with the ​DelAgua kit (​Petri dish with ...

Bacteria E. coli Standards & Quality Water Quality Water Quality Management E. coli

Saline Water Treatment at Household Level

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We are working ​on the ​installation of ​hand pumps and ​we are faced ​with ​saline water ​with TDS over ​2000 ppm. ​ What is the ​low-cost ​solution for ...

Drinking Water Treatment Household Water Treatment Water Treatment & Control Water Treatment Solutions Saline Water Total Dissolved Solids (TDS)

Organic Removal From Baker Yeast Manufacturing

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We are working on a zero liquid discharge unit, the plant manufacture baker yeast from sugarcane molasses. Input BOD/COD are in the range of  30000/60000 mg/l. ...

Treatment Sludge Separation COD Removal Sludge Treatment Purification Technology Zero Discharge Environment & Water Water microbiology Treatment Chemicals Zero Liquid Discharge Sludge Treatment & Management Water Treatment Systems

Ammonia Removal from River Water

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We have a river water plant which treats the river water to drinking water, using the ultrafiltration (UF) system. The intake water has high ammonia content. ...

Treatment Ultrafiltration Filtration Filters Filtration Solutions Water Supply

Best Oil and Gas Supply Pipe Material?

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Which material is the best to use for pipes for oil and gas supply?  I need a material which will not influence the gas or oil in any way nor be degraded ...

Academic Oil & Gas Corrosion Prevention Pipeline Installation & Maintenance Pipelines Oil & Gas Pipelines

Replacing Pretreatment UF with Media Filters?

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We have ultrafiltration (UF) in our water pretreatment. Our feed water turbidity 0.54 NTU Borewell water. We want to change the pretreatment from UF to media ...

Treatment Ultrafiltration Filtration Filters Filtration Solutions

Treatment and Disposal of Liquid Lab Chemicals

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Can activated charcoal or carbon effectively neutralize xylene and other hazardous organic chemicals?  Is there a treatment method before disposal which will ...

Academic Environment Lab Safety Organic Chemicals Environment Laboratory

Bottled Drinking Water pH

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Is there any way to increase the pH of water to 9 while maintaining TDS at 30 in mineral water? How can this be done after reverse osmosis? Which technology or ...

Academic Potable Drinking Water Security Drinking Water Treatment Drinking Water Managment Drinking Water Bottled Water Total Dissolved Solids (TDS)