Questions & Answers

Materials of Construction and High Chloride Corrosion

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What is the ​most reliable ​material in a ​high chloride ​content, from ​15% to 25% ​environment and ​at temperatures ​from 60 C to 90 ​C?  ​Sandvik 2507 ...

Technology Chlorine Dioxide Chlorination Technology Scale & Corrosion Chemistry Corrosion Prevention Petrochemicals Chlorine Dioxide Treatment Construction Oil Production Platforms Coatings

​Trend Analysis ​of Rainfall and ​Runoff

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I am doing a trend analysis of rainfall and runoff using parametric test. My question is, if I do a regression analysis and find a slope of increase or ...

Academic Testing Instruments Stormwater Management Data Management Stormwater Water Management Measurement Water Resource Management Storm Water Management Stormwater Runoff Data & Analysis

Industrial Overland Flow Pretreatment

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Hi friends, I need an industrial water pretreatment system drawing for oil water, detergents and solvents. This is for industrial overland flow need to be ...

Technology Industrial Wastewater Treatment Industrial Water Treatment Oil Water Separation Industrial Wastewater Treatment Flowmetering Wastewater Treatment Plant Design Surface Flow Analysis Solvents Solvents Pretreatment

Mitigating Ammonia Pollution in Water - Can There Be Any Suitable Coagulant?

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Dear Friends, I am working on a research plan to mitigate ammonia pollution in water with the help of a desert plant extract (Yucca). I have taken its stem and ...

Technology Treatment Treatment Methods Biological Treatment Coagulants Drinking Water Treatment Filtration Decontamination Biological & Chemical Quality Biological Treatment Drinking Water water treatment Landfill Leachate

Total Hardness and Total Alkalinity in Water

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What causes total alkalinity to be much lower the total hardness in brackish RO product water? Please note that EC is around 517 uS/cm?

Academic Treatment Methods Water Softener Drinking Water Treatment Alkaline Reverse Osmosis Water Treatment Solutions Brackish Water Drinking Water Minerals water treatment Water Hardness

RO for high COD inlet

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We are designing a RO system to be applied on treated water after MBR system. Still the water has 250 mg/l COD. The conventional programs to design RO don’t ...

Technology RO Systems Membrane Bioreactor Systems Membranes Membrane Technology Membrane Filtration UF membranes/cassettes for waste water treatment MBR

Air Dissolution in an Air Saturator of a Dissolved Air Flotation (DAF) System

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Good day guys Currently, I am working on air dissolution in an air saturator of a DAF system.  We all know that increasing recycle ratio and saturator pressure ...

Academic Effluent Industrial Wastewater Treatment Dissolved Air Flotation Water Treatment & Control Industrial Water Treatment Technology Water Treatment Solutions Industrial Water Reuse water treatment

Drinking Water compliance

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I received 100% of drinking water supply from water treatment works with free chlorine of 0.89mg/l and total chlorine of 1.78mg/l at the reservoir, while from ...

Technology Chlorine Dioxide Drinking Water Treatment Chlorination Compliance Drinking Water Managment Compliance Chlorine Dioxide Treatment

Aluminium Carry Over

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I have aluminium carry over through the secondary filters. I'm trying to explain the importance of keeping the coagulated pH at 5.8 but the plant operator ...

Business Coagulants Drinking Water Treatment Water Quality Management Inorganic Chemicals Raw Water Utility Boiler and Cooling Water Treatment

Removal of Nutrients in Constructed Wetlands

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Dear wise friends, we are planning to construct a wetland as a tertiary treatment after an activated sludge treatment unit (0.8 Ml/day domestic sewage).  The ...

Technology Waste Water Treatments Wastewater Treatment Wetlands Constructed Wetlands Nutrient Reduction and Removal Activated Sludge