POWFRAX Ceramic Filter Candles Technology Analysis

POWFRAX Ceramic Fiber Filter Tube Technology Analysis

Product Overview

POWFRAX ceramic fiber filter tubes are ​high-efficiency filtration elements made from ceramic fiber as the core material. They are widely used in ​ceramic fiber filter tube dust collectors and ​integrated dust-NOx removal systems, suitable for:
✔ High-temperature flue gas purification
✔ Acidic component removal
✔ Multi-pollutant …… Read More “POWFRAX Ceramic Filter Candles Technology Analysis”

[Good News] ZTW Awarded Environmental Service Certification by CAEPI

ZTW Environmental Technology Co., Ltd. has been dedicated to the R&D and market promotion of ​energy-saving, emission-reduction, and flue gas purification technologies for industrial kilns, while providing ​third-party operation services. The company has established an ​Operation & Maintenance (O&M) Department in Sichuan, successfully managing multiple environmental protection projects. These projects not only help clients meet …… Read More “[Good News] ZTW Awarded Environmental Service Certification by CAEPI”

Shandong XX Kiln Integrated Ceramic Catalytic Flue Gas Purification Project (Desulfurization, Denitrification & Dust Removal)

During 2018-2020, Zhongtian Well executed contracts with Shandong ​**** Co., Ltd. for ​four coal-gas-fired glass kilns employing our ​WK-CeraCAT ceramic catalytic tube-based multi-pollutant treatment system.

Project Challenges:
The coal-gas fueled kilns generated flue gas with:
• ​High NOx (800-1,500mg/Nm³)
• ​High SOx (1,000-3,000mg/Nm³)
• ​Elevated alkali/heavy metals (K, Na, Pb, Zn)
• ​Extreme …… Read More “Shandong XX Kiln Integrated Ceramic Catalytic Flue Gas Purification Project (Desulfurization, Denitrification & Dust Removal)”

Flue Gas Treatment Project for Sichuan XX Glass Company's Oxygen-Fuel Glass Furnaces (Lines 1, 2 & 4),Ceramic fiber filter tube, ceramic catalytic filter tube, glass kiln, integrated denitrification, desulfurization, flue removal, dust removal, ammonia removal, flue gas treatment.

Flue Gas Treatment Project for Sichuan XX Glass Company's Oxygen-Fuel Glass Furnaces (Lines 1, 2 & 4)

The oxygen-fuel glass furnace flue gas exhibits challenging characteristics including ​high NOx concentration, ​elevated fluoride levels, ​high viscosity, and ​significant moisture content. Conventional environmental technologies failed to ensure ​system reliability or ​emission compliance.

After extensive research and pilot testing, Zhongtian Well implemented its ​CeraCAT series WK-POWFRAX solution, …… Read More “Flue Gas Treatment Project for Sichuan XX Glass Company's Oxygen-Fuel Glass Furnaces (Lines 1, 2 & 4)”

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Glass Melting Furnaces,Ceramic fiber filter tube, ceramic catalytic filter tube, glass kiln, integrated denitrification, desulfurization, flue removal, dust removal, ammonia removal, flue gas treatment.

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Glass Melting Furnaces

Traditional Process (Glass & Industrial Furnaces)

EP (Dust Collection) + SCR (NOx Removal) + Desulfurization + Baghouse Filtration

Issues with Conventional Technology:

  1. Catalyst Poisoning & Clogging – High dust environment causes alkali metals (K, Na, Ca) in fly ash to deactivate catalysts, blocking flue gas channels and accelerating wear, leading to short service life.
  2. Ammonia Slip & Low
…… Read More “Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Glass Melting Furnaces”

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Coking Industry

Flue Gas Characteristics:

  • Low temperature with significant fluctuations
  • High concentrations of NOx, SO₂, and H₂S
  • Contains organic components and tar

Traditional Process Challenges:
❌ Low and unstable flue gas temperatures
❌ Complex pollutant composition with high viscosity
❌ Significant ammonia slip, difficult to control
❌ Requires hot standby chimney (>130°C)

New Process Advantages:
✅ ​Integrated treatment for efficient removal …… Read More “Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Coking Industry”

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for High-Fluoride Industries

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for High-Fluoride Industries

This advanced system specializes in treating ​flue gas containing high-concentration fluorides through a proprietary process:
Conditioning Adsorbent + Ceramic Tube Reactor

Key Process Details:

  1. Pre-treatment Stage
    • The ​conditioning adsorbent chemically modifies fluoride compounds to enhance reactivity
    • Adjusts gas composition for optimal ceramic catalyst performance
…… Read More “Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for High-Fluoride Industries”

Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Waste Incineration Industry

The ​ceramic catalytic tube filter can achieve ​complete dioxin decomposition in a single step within the reactor—without requiring additional reactants, solid waste disposal, or post-treatment. The ​dioxin removal efficiency of the ceramic catalytic filter exceeds ​99%​.


Key Features Highlighted:
✔ ​One-step dioxin destruction – No secondary treatment needed
✔ ​Zero solid …… Read More “Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Waste Incineration Industry”

ZTW's Integrated Ceramic Catalyst Multi-Pollutant Synergistic Treatment Technology Equipment Selected in MIIT's "Catalog of Major Environmental Protection Technologies and Equipment Encouraged by the State (2020 Edition)

On December 28, 2020, the Ministry of Industry and Information Technology (MIIT), the Ministry of Science and Technology, and the Ministry of Ecology and Environment jointly released the Catalog of Major Environmental Protection Technologies and Equipment Encouraged by the State (2020 Edition). The catalog includes a total of ​162 items in the categories of ​development and application…… Read More “ZTW's Integrated Ceramic Catalyst Multi-Pollutant Synergistic Treatment Technology Equipment Selected in MIIT's "Catalog of Major Environmental Protection Technologies and Equipment Encouraged by the State (2020 Edition)”

Sichuan ​* 3# Glass Furnace Integrated Ceramic Catalyst Flue Gas Desulfurization, Denitrification, Defluorination, and Dust Removal Project

In June 2018, our company signed a contract with Sichuan Luzhou ​*** Co., Ltd. for an ​integrated ceramic catalytic tube-based flue gas purification system (desulfurization, denitrification, and dust removal) for a glass furnace. The project commenced trial operation on ​December 14, 2018, and environmental monitoring data was officially submitted to the environmental protection bureau on ​December …… Read More “Sichuan ​* 3# Glass Furnace Integrated Ceramic Catalyst Flue Gas Desulfurization, Denitrification, Defluorination, and Dust Removal Project”

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2025-04-04 21:32:52
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