Highly efficient treatment of industrial organic wastewater with high COD, salinity, ammonia nitrogen, toxicity, and recalcitrance, without generating secondary pollution. WORLDIA BDD BUILDING A CLEAN WORLD «♦»' Worldia BDD Electrodes and Application BDD(Boron Doped Diamond)—Optimum Electrode Materials of Electrochemical Advanced Oxidation Processes BEIJING WORLDIA DIAMOND TOOLS CO.fLTD. Tel: 400-766-9898 Email: [email protected]/[email protected] Registered Address: Room H-03,5F, M7 Building, No,1 Jiuxiangiao East Road, Chaoyang District Beijing, China 100015 Hebei Factory Address: East Side of Industrial Second Road, Chaobaihe Industrial Park, Dachang County, Langfang City, Hebei Province, China 065300 BEIJING WORLDIA DIAMOND TOOLS CO.,LTD. Zhejiang Factory Address: No. 1136 Bazi Road, Gaozhao Street, Xiuzhou District, Jiaxing City, Zhejiang Province, China 314001 Website: www.worldia-tools.com

Technological pioneer of niobium-based BDD electrodes and reactors in China Independently developed equipment with three-chamber, enabling simultaneous production on both sides of BDD electrodes. Company Introduction Core Technology Product Introduction Application Cases

Company Profile FOCUS ON HIGH-END TOOLS AND NEW MATERIALS MANUFACTURING SHAPING THE WORLD'S QUALITY

Company Profile «!»'WORLDIA High-tech and innovation 01 Laser micro-nano precision processing technology of superhard materials ■infrared laser, green laser, ultraviolet laser ■Cutting process •Grinding process CUTTING TOOLS MATERIALS #1 CVD diamond functional material growth and ” ^ application technology ■CVD diamond functional materials for semiconductors and other use ■CVD lab-grown diamond (gem grade} ■Scientific research M Ultra-thin diamond blank, composite die precision grinding and mirror polishing technology ■Ultra-thin (0.05mm) diamond blanks ±1 pm accuracy •Double-sides polishing...

Company Profile Made-in-China going global ^ Worldia Europe GmbH Singapore Worldia Beijing Worldia Mexico Worldia Worldia Overseas Company Worldia Overseas Service Agency Huizhou Xinjinquan • Building area greater than 100,000 square meters • Imported manufacturing and testing equipment, manufactured or independently developed by Switzerland, Germany, the United States, and Japan

Worldia BDD Electrodes and Application Core TechnologyPreparation of diamond by CVD method CVD (Chemical Vapor Deposition): The process of generating solid deposits by reacting gaseous or vapor substances at the gas phase or gas-solid interface. Worldia diamond functional materials business is positioned in the global high-end new materials market and is one of the few companies in China that can master the three major preparation processes of the CVD method. Microwave plasma CVD (MPCVD) This method uses microwaves to excite a carbon-containing gas (such as H2/CH4) to form a high-density plasma,...

Worldia BDD Electrodes and Application Technical principles and core mechanisms of BDD electrochemical oxidation There are two forms of oxidation when BDD electrode is used for anode electrochemical oxidation: -» 1.Direct oxidation: The oxidative removal of organic matter is realized through the adsorption of organic pollutants on the anode surface in the form of electron transfer, and the organic matter can be directly converted into CO2 and H2O. -» 2.lndirect oxidation: Oxidative removal of organic matter through the generation of hydroxyl radical on the anode surface. Degrade toxic substances...

WORLDIA Worldia BDD Electrodes and Application Required properties of BDD matrix Product Introduction Advantages of niobium based materials -> Power saving: low resistance, low power consumption, can significantly reduce the operating costs of equipment. -> Corrosion resistance: high chemical stability, strong acid and alkali resistance. -> Easy to connect: low contact resistance, which is beneficial for simplifying the electrolytic cell. -> Not easy to break: high strength, not easy to break during use, and easy to transport. -> Improving mass transfer: easy to form various shapes such as mesh...

Worldia BDD Electrodes and Application Worldia BDD electrode technical index parameters Strictly follow the relevant requirements of ISO9001 and IS014001 management system for production and quality management. *Niobium/Silicon-based BDD electrodes are available in customized specifications, dimensions, and shapes, with maximum sizes up to 700*500 mm and 0320 mm.

WORLDIA Worldia BDD Electrodes and Application BDD electrolytic reactor -> Compact size for easy transportation; standard inlet/outlet connections for simple installation. -> Capable of series/parallel configuration for large-scale wastewater treatment projects. -> Anode, cathode, and terminals are integrally welded using a specialized process. -> PP housing, molded in one piece for enhanced durability. -> Flexible power supply options: Standard Power Supply: Requires cable disconnection and manual pole reversal for electrode swapping. Automatic Polarity Reversal Power Supply: Automatically switches...

WorLdia BDD Electrodes and ApplicationBDD beaker experimental equipment for wastewater treatment Technical specifications and parameters Operating requirements

Worldia BDD Electrodes and Application Application Cases Photoresist material production wastewater Experimental result about COD removal rate of 50L pilot module In semiconductor manufacturing, contaminants on the wafer surface, especially metal particles attracted by electrostatic attraction, are a major cause of device damage. The smaller the particle, the more difficult it is to remove. Conventional wet cleaning processes often use a mixture of sulfuric acid and hydrogen peroxide (SPM) to remove organic materials such as photoresist. A promising new method utilizes boron-doped diamond (BDD)...

WORLDIA Worldia BDD Electrodes and Application Coal Chemical Industry Coal chemical wastewater - high-concentration evaporation mother liquor pilot test (niobium-based 200A) Coal chemical primary nanofiltration concentrate Data source: Test report from semiconductor tools and materials division, Beijing Worldia Diamond Tools Co., Ltd.