Environmental Engineering Tools
Browse all available environmental engineering tools.
Available tools
- Activated Carbon Empty BED Contact Time Tool Distinguish empty-bed contact time V/Q from nominal interstitial void-volume residence time.
- Activated Sludge Solids Inventory Term Tool Calculate activated sludge solids inventory term from explicit caller-supplied inputs.
- Aeration Oxygen Transfer Supplied Factor Tool Explicit alpha/beta oxygen-transfer correction with a supplied temperature factor and matching saturation reference.
- Biofilter One Layer Pressure Drop Tool One-layer Darcy-Forchheimer pressure drop with explicitly supplied dimensional coefficients and signed superficial velocity.
- Bioswale Hydraulic Retention One Event Tool Nominal V/Q residence using constant combined outflow; this is not a routed storm hydrograph.
- Composite Sample Flow Proportional Aliquot Tool Allocate one explicit composite sample aliquot in proportion to a supplied interval flow weight without choosing sampling times.
- Dust Collector Inlet Outlet Mass Balance Tool Calculate dust collector inlet outlet mass balance from explicit caller-supplied inputs.
- Dust Control Water Use Area Term Tool Multiply supplied treated area by explicit water-use intensity without prescribing dust-control application rates.
- Effluent Load Reference Ratio Tool Calculate effluent load reference ratio from explicit caller-supplied inputs.
- Environmental Engineering: Stack Gas Oxygen Reference Factor Tool Compute the dry-basis stack concentration oxygen-reference factor using explicit air/reference/measured oxygen percentages; no regulatory standard or emissions compliance inferred.
- Environmental Sensor Drift Zero Span Tool Calculate environmental sensor drift zero span from explicit caller-supplied inputs.
- Filter Back Wash Recovery Loss Reconcile supplied backwash recovery volumes and identify an empty recovery denominator.
- Filter Backwash Expansion BED Height Term Tool Calculate filter backwash expansion bed height term from explicit caller-supplied inputs.
- Filter BED Contact Volume Factor Tool Compute a supplied empty-bed contact volume without treatment-performance claims.
- Filter BED Expansion Clearance Tool Supplied expanded-bed envelope arithmetic; no backwash operating condition is chosen.
- Filter Media Empty BED Volume Tool Calculate filter media gross empty-bed volume from explicit area and depth without estimating pore volume or treatment performance.
- Filter Uptime Exposure Share Tool Calculate filter uptime exposure share from explicit caller-supplied inputs.
- Filtercake Moisture Solids Volume Term Tool Additive solid and water component volume, excluding trapped air and volume contraction.
- Groundwater Pump Extracted Contaminant Mass Tool Constant-flow and constant-concentration extraction in caller-aligned mass/volume/time units.
- Groundwater Sampling Purge Volume Term Tool Multiply ideal cylindrical casing water volume by an explicitly supplied purge-volume count without prescribing a groundwater sampling protocol.
- Membrane Recovery Concentrate Share Partition measured feed volume into permeate and concentrate assuming a closed additive-volume balance.
- Membrane Recovery Reject Base Tool Calculate membrane recovery reject base from explicit caller-supplied inputs.
- Membrane Transmembrane Pressure One Module Tool Arithmetic-mean feed-side TMP with an explicit osmotic pressure difference; pressure units must match.
- Pipe Leak Night Flow Baseline Difference Tool Subtract explicit baseline from measured night flow on a shared time and unit basis without identifying leakage.
- Pipe Sediment Settling Travel Gap Tool Compare constant advective transit and vertical settling times, excluding turbulence and resuspension.
- Pollutant Control Removal Delta Compare compatible inlet and outlet pollutant masses, preserving negative apparent removal when outlet mass is larger.
- Rainwater Tank Freeboard Volume Term Tool Calculate rainwater tank freeboard volume term from explicit caller-supplied inputs.
- Remediation Well Screen Depth Span Return the interval length and midpoint of a well screen from explicit depths increasing downward.
- Reverse Osmosis Permeate Recovery Salt Factor Tool Steady water and salt balances, with rejection defined relative to bulk feed concentration and no density change.
- Sedimentation Weirloading Overflowlength Term Tool Calculate sedimentation weirloading overflowlength term from explicit caller-supplied inputs.
- Sensor Fouling Baseline Correction Term Tool Subtract an explicit additive fouling bias from an environmental sensor reading without deriving a correction or certifying calibration.
- Settler Sludge Blanket Depth Reference Offset Apply a signed caller-supplied depth-datum offset without a settling model or process interpretation.
- Sludge Dewatering Polymer Dry Mass Basis Tool Calculate sludge dewatering polymer dry mass basis from explicit caller-supplied inputs.
- Sludge Dry Solids Share Tool Calculate sludge dry solids share from explicit caller-supplied inputs.
- Stack Gas Dry Wet Volume Factor Tool Dry/wet concentration correction at matching pressure and temperature with a volume-basis water-vapor fraction.
- Stormwater First Flush Mass Share Term Tool Consistent mass/volume units must be supplied, e.g. m3 with g/m3; no hidden concentration conversion.
- Stormwater Hold Volume Remainder Tool Calculate stormwater hold volume remainder from explicit caller-supplied inputs.
- Treatment BED Hydraulic Loading Unit Tool Divide supplied daily flow by positive treatment-bed area and express hydraulic loading in meters and millimeters per day.
- Treatment Bypass Mass Term Tool Integrate a constant explicitly supplied bypass stream load in compatible units without regulatory interpretation.
- Treatment Load Baseline Gap Tool Compare measured load balance with an explicit baseline removal fraction, permitting net load gains.
- Treatment Stage Load Reduction Tool Compare supplied stage mass-flow loads while retaining signed background-corrected concentrations.
- Wastewater Hydraulic Loading Area Term Tool Calculate wastewater hydraulic loading area term from explicit caller-supplied inputs.
- Wastewater Load Concentration Volume Convert a stated concentration and compatible wastewater volume into a pollutant mass in kilograms.
- Water Plant Energy Per Throughput Normalize measured plant energy by a supplied positive water-throughput volume.
- Water Reuse Blending Concentration Term Tool Calculate conservative two-volume water blending concentration with additive volumes and compatible mass-concentration units.
- Water Treatment Chemical Stock Purity Term Tool Chemical stock requirement in matched mass and volume units with explicit active mass fraction and solution density.