海水淡水化

段階 01 · 原水・基礎

Seawater Intake

Set intake hydraulics and the feedwater basis.

目的

Establish the flow, salinity, temperature, solids, and biological basis that drives pretreatment and RO design.

次の判断

Choose the solids and biological protection strategy for the RO feed.

エンジニアリング上の問い

What intake condition and seasonal envelope must the plant handle?
What solids and biological loads arrive at the plant?
What intake or outfall constraints affect recovery?

主な入力

Intake flowm³/h
Seawater temperature°C
Seawater TDSmg/L
Intake turbidityNTU

主な出力

Declared RO-feed design flowm³/h
Declared salinity envelopemg/L

制約 / 設計上の考慮事項

Seawater quality is not a single fixed number.
Intake, pretreatment, RO, and concentrate decisions are coupled at the process level.

エンジニアリングガイダンス

エンジニアリングガイダンスSeawater IntakeNo current ATLAS tool evaluates intake hydraulics, seasonal seawater variability, source solids and biology, or intake and outfall constraints.

関連研究

No stage-specific research mapping is published for this boundary.

段階 02 · 前処理

Screening & Pretreatment

Protect chemical and membrane barriers.

目的

Reduce solids, colloids, and biological loading before the feed reaches dosing and RO.

次の判断

Set the chemical duties that protect the RO membrane and downstream product quality.

エンジニアリング上の問い

What pretreatment quality is required at the RO feed?
Which fouling mechanism is dominant?
Is conventional or membrane pretreatment supported by the project basis?

主な入力

Pretreatment flowm³/h
Pretreatment turbidityNTU
SDI or solids basissite basis

主な出力

RO-feed solids qualityNTU

制約 / 設計上の考慮事項

UF/MF is an available screening tool; conventional pretreatment remains a project-specific design choice.
Pretreatment must be evaluated against the actual seawater envelope.

この段階の代替経路

Conventional clarification and filtration Use when raw-water testing and the RO-feed basis support conventional pretreatment; no dedicated ATLAS clarifier calculator is attached.
UF/MF membrane pretreatment Use the live UF/MF designer for a membrane pretreatment screen.

この段階のツール

公開中 UF/MF システムデザイナー Screen membrane area, flux, train count, and recovery for the UF/MF pretreatment option. ツールを開く公開中 活性炭サイジング Conditional: screen carbon vessel requirements only for a defined dissolved-organic adsorption duty. ツールを開く

エンジニアリングガイダンス Screening & Pretreatment Screen carbon vessel requirements only for a defined dissolved-organic adsorption duty. Activated Carbon Sizing is not a general suspended-solids pretreatment, a replacement for conventional clarification, or a universal seawater pretreatment step. Conventional screening and clarification have no dedicated ATLAS calculator.

段階 03 · 薬品調整

Chemical Dosing

Control scale, oxidant, and feed chemistry.

目的

Make the RO feed chemically compatible with the membrane array and the target recovery.

次の判断

Carry the declared feed chemistry into the RO performance screen.

エンジニアリング上の問い

Which antiscalant, dechlorination, pH, or cleaning duty is in scope?
What dose and chemical-strength basis is being used?
What residual must be proven before the membrane?

主な入力

Chemical-feed flow basism³/h
RO-feed salinitymg/L
RO-feed pHpH
Candidate chemical dosemg/L

主な出力

Screened chemical dosemg/L
Conditioned pH basispH

制約 / 設計上の考慮事項

Chemical selection must remain compatible with membrane materials and the downstream operating envelope.
The calculator screens dose; it does not select a proprietary chemical program.

この段階のツール

公開中 薬品注入基準計算ツール Calculate active and commercial-product feed for a declared dose and RO-feed flow; it does not select the chemical program. ツールを開く

エンジニアリングガイダンス Chemical Dosing The dose calculator does not select antiscalants, model seawater scaling, set dechlorination targets, or verify oxidant residual ahead of the membrane.

段階 04 · 膜処理

UF/MF Option

Screen membrane pretreatment when needed.

目的

Check a membrane pretreatment option before RO without assuming that every desalination plant requires one.

次の判断

Use the selected pretreatment flow and chemistry as the basis for RO.

エンジニアリング上の問い

What flux and recovery basis is supportable?
How many trains and elements are needed for the duty?
What fouling and backwash boundary must operations manage?

主な入力

UF/MF feed flowm³/h
UF/MF feed turbidityNTU
Feed temperature°C

主な出力

Screened filtrate flowm³/h
Screened membrane recovery%

制約 / 設計上の考慮事項

The UF/MF result is a preliminary system screen.
Membrane compatibility and pretreatment cleaning need representative data.

この段階のツール

公開中 UF/MF システムデザイナー Screen membrane area, train arrangement, flux, and recovery for a selected UF/MF option. ツールを開く

エンジニアリングガイダンス UF/MF Option Confirm seawater feed suitability, pretreatment performance, cleaning, and backwash assumptions with representative feed data and selected module information.

関連研究

段階 05 · 膜処理

Reverse Osmosis

Screen recovery, flow, and concentrate limits.

目的

Turn the pretreatment basis into a multi-stage RO screening result with explicit recovery and concentrate behavior.

次の判断

Confirm product-water conditioning and the final disinfection boundary.

エンジニアリング上の問い

What recovery and permeate-flow target is defensible?
Where do osmotic pressure, fouling, or pressure limits govern?
What is the concentrate path?

主な入力

RO feed flowm³/h
RO feed TDSmg/L
RO feed pressurebar
RO feed temperature°C

主な出力

Membrane permeate flowm³/h
RO recovery ratio%
Concentrate TDSmg/L

制約 / 設計上の考慮事項

The RO designer is a screening and design-basis tool, not a vendor projection.
Concentrate disposal or reuse must remain visible in the train.

この段階のツール

公開中 ROシステムデザイナー Screen seawater RO permeate, recovery, salt passage, and concentrate TDS across a multi-stage array. ツールを開く公開中 単位換算ツール Normalize pressure, flow, and concentration units for the RO calculation. ツールを開く

エンジニアリングガイダンス Reverse Osmosis Use vendor projections and project-specific energy-recovery and concentrate-management review before selecting an array or operating recovery.

関連研究

段階 06 · 仕上げ処理

Product Conditioning

Set product-water chemistry for use and delivery.

目的

Set the product-water chemistry and stability basis before final disinfection or delivery.

次の判断

Close the product-water microbiological barrier and monitoring plan.

エンジニアリング上の問い

What alkalinity, pH, or stability target is required?
What chemical dose or blending duty is needed?
Does the product-water claim include a distribution corrosion or taste requirement?

主な入力

Permeate flowm³/h
Permeate pHpH
Product-water alkalinitymg/L as CaCO₃

主な出力

Conditioned product-water pHpH
Conditioned alkalinity basismg/L as CaCO₃

制約 / 設計上の考慮事項

The chemistry target is site- and use-specific.
No generic remineralization recipe is implied.

この段階のツール

公開中 薬品注入基準計算ツール Calculate active and commercial-product feed for a declared conditioning dose; product-water stability still needs chemistry review. ツールを開く

エンジニアリングガイダンス Product Conditioning The dose calculator can size feed for a declared dose; no current ATLAS tool establishes remineralization chemistry, calcite stability, blending, or corrosion-control targets.

関連研究

段階 07 · 消毒

Disinfection

Apply the final microbiological barrier.

目的

Define the contact-time and monitoring boundary that protects the product-water claim.

次の判断

Release product water only against the stated quality and monitoring basis.

エンジニアリング上の問い

Which disinfection technology and validation basis are in scope?
What contact time and water-quality conditions govern?
Where is residual or CT verified?

主な入力

Product-water flowm³/h
Product-water temperature°C
Contact-time basismin

主な出力

Disinfection CT basismg·min/L

制約 / 設計上の考慮事項

A CT screen is not a complete validation or regulatory approval.
Final barriers must be tied to actual product-water operations.

この段階のツール

公開中 オゾン注入・CTスクリーニング Screen ozone generator demand and a preliminary CT basis when ozone is selected. ツールを開く公開中 薬品注入基準計算ツール Calculate chemical product feed for a declared disinfectant dose; it does not model CT. ツールを開く

エンジニアリングガイダンス Disinfection The ozone screen applies only when ozone is selected and uses generic baffling; chlorine, UV, contact-basin hydraulics, and regulatory validation remain outside the current tool set.

関連研究

No stage-specific research mapping is published for this boundary.

ATLAS エンジニアリングリソースを検索

主要処理フロー

エンジニアリングガイダンス — 段階 01 — Seawater Intake

この段階のツール · 段階 02 — Screening & Pretreatment

この段階のツール · 段階 03 — Chemical Dosing

この段階のツール · 段階 04 — UF/MF Option

この段階のツール · 段階 05 — Reverse Osmosis

この段階のツール · 段階 06 — Product Conditioning

この段階のツール · 段階 07 — Disinfection

この段階のツール · 段階 08 — Product & Concentrate Boundary

Seawater Intake

エンジニアリングガイダンス

関連研究

Screening & Pretreatment

この段階の代替経路

この段階のツール

関連研究

Chemical Dosing

この段階のツール

関連研究

UF/MF Option

この段階のツール

関連研究

Reverse Osmosis

この段階のツール

関連研究

Product Conditioning

この段階のツール

関連研究

Disinfection

この段階のツール

関連研究

Product & Concentrate Boundary

この段階のツール

関連研究

研究とインテリジェンスの文脈