---
title: "Deaeration Section / Scrubbing Section"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DEAERATION_SECTION_SCRUBBING_SECTION"
  data_integrity_hash: "79668d6536c864e7eef109aece32534c"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:DEAERATION_SECTION_SCRUBBING_SECTION"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/deaeration-section-scrubbing-section.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/deaeration-section-scrubbing-section"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-1.2 MPa (1-12 bar) at 105-130°C"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.08
    unit: "MPa"
    consequence: "Henry's Law violation: Below 0.08 MPa at 105°C, dissolved oxygen concentration exceeds thermodynamic equilibrium limit, causing accelerated corrosion rates exceeding 0.5 mm/year in carbon steel"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Steam flow reduction below 30% of design capacity (e.g., from 10,000 kg/h to 3,000 kg/h)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual-pressure control system with redundant steam supply valves and minimum flow bypass maintaining at least 40% design steam flow"
  - node_2:
      trigger: "Chemical injection pump failure (e.g., hydrazine or carbohydrazide dosing interruption)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Redundant chemical injection system with automatic switchover upon flow deviation exceeding ±10% of setpoint"
bom_nodes:
  spray-nozzles:
    type: "part"
    urn: "URN:CNFX:ME:SPRAY_NOZZLES"
    interface_type: "physical-logic-coupled"
  packing-media:
    type: "component"
    urn: "URN:CNFX:ME:PACKING_MEDIA"
    interface_type: "physical-logic-coupled"
  steam-distribution-header:
    type: "part"
    urn: "URN:CNFX:ME:STEAM_DISTRIBUTION_HEADER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/deaeration-section-scrubbing-section.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ea80a27d261f7cdc9b727db7cd4e15c13cdd2f0e0aca89a08a91fd9ddbc49cd9"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Deaeration Section / Scrubbing Section

## 1. Technical Definition
A functional section within a deaerator that removes dissolved gases (primarily oxygen and carbon dioxide) from water or process fluids through physical and/or chemical scrubbing methods.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-1.2 MPa (1-12 bar) at 105-130°C**. Failure boundary: **0.08 MPa (0.8 bar) absolute pressure at 105°C, corresponding to oxygen saturation concentration exceeding 15 ppb**, Mechanism: **Henry's Law violation: Below 0.08 MPa at 105°C, dissolved oxygen concentration exceeds thermodynamic equilibrium limit, causing accelerated corrosion rates exceeding 0.5 mm/year in carbon steel**.

### 2.1 Analytical Physics Model
Governed by the **Darcy-Weisbach Pressure Drop**:

> **Primary Equation**: $\Delta P = f \cdot \frac{L}{D} \cdot \frac{\rho v^2}{2}$  
> **Engineering Impact**: Critical for sizing CIP (Clean-In-Place) pump heads.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| f | Friction Factor | Engineering Constant |
| L | Pipe Length | Engineering Constant |
| v | Velocity | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Steam flow reduction below 30% of design capacity (e.g., from 10,000 kg/h to 3,000 kg/h) | 8 | Insufficient steam stripping action, causing dissolved oxygen concentration to exceed 7 ppb within 15 minutes | Dual-pressure control system with redundant steam supply valves and minimum flow bypass maintaining at least 40% design steam flow |
| Chemical injection pump failure (e.g., hydrazine or carbohydrazide dosing interruption) | 8 | Oxygen scavenging reaction ceases, allowing dissolved oxygen concentration to reach 20 ppb within 30 minutes | Redundant chemical injection system with automatic switchover upon flow deviation exceeding ±10% of setpoint |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Spray Nozzles](https://cnfx.com/llms/industry/paper-manufacturing/product/spray-nozzles.md) `(Standalone System)`
- [Steam Distribution Header](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/steam-distribution-header.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Feedwater Pump**, **Chemical Dosing System**, **Condensate Return System**  
**Downstream Applications**: High-Purity Boiler Feedwater, Deaerated Process Water, Oxygen-Free Industrial Fluids  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What gases does a deaeration/scrubbing section remove from process fluids?
**A**: Primarily removes dissolved oxygen and carbon dioxide from water or industrial process fluids through physical scrubbing (steam stripping) and/or chemical scrubbing methods.

### Q: What materials are used in manufacturing deaeration sections?
**A**: Typically constructed from corrosion-resistant materials including stainless steel (304/316), carbon steel with protective coatings, or specialized alloy materials depending on fluid chemistry and operating conditions.

### Q: What are the key components in a deaeration/scrubbing section BOM?
**A**: Essential components include spray nozzles for fluid distribution, packing media (structured or random) for gas-liquid contact surface area, and steam distribution headers for thermal scrubbing and oxygen removal.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Deaeration Section / Scrubbing Section](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/deaeration-section-scrubbing-section)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: DEAERATION_SECTION_SCRUBBING_SECTION | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 6cbb1870
