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Small Test

ONYX has established a photochemical pilot test base of several hundred square meters at its Tianjin production base, which can carry out small-scale water treatment tests for enterprises in need.

Introduction

The process is as follows:

1. Preliminary Communication

1.1 Wastewater Data Collection

? Obtain MSDS and complete water quality analysis (COD, BOD?, TOC, characteristic pollutants, salinity, toxicity, etc.)

? Clarify discharge destination and target limits (national/local standards or internal reuse indicators)

1.2 Objective Confirmation

? Determine the primary objectives of the pilot test: toxicity reduction, biodegradability improvement, characteristic pollutant removal rate, or COD removal rate, etc.

2. Experimental Design

2.1 Plan Development

? Select an oxidation system based on wastewater characteristics, such as UV-AOP, UV/hydrogen peroxide, UV/ozone, or persulfate.

? Design a single-factor (pH, oxidant dosage, UV power, reaction time) and orthogonal/response surface optimization experimental matrix.

2.2 Safety Assessment

? SDS Review: Confirm there is no risk of generating more toxic byproducts after UV photolysis.

? Laboratory ventilation, protection, wastewater neutralization, and separate collection plans.

3. Pilot Experiment

3.1 Apparatus Preparation

? Use a 0.5–5 L batch or continuous flow microreactor equipped with an adjustable power low-pressure mercury lamp or medium-pressure lamp

? Online temperature control (20–40°C), magnetic/mechanical stirring, and a quartz sleeve for anti-fouling

3.2 Operation

? Measure relevant water quality indicators and adjust pH (typically a gradient between 3 and 9)

? Add oxidant and catalyst

? Set UV dose

? Take samples for monitoring at different time intervals

3.3 Sample Analysis

? Rapid indicators: ORP, DO, pH, temperature

? Key indicators: COD, TOC, concentrations of characteristic pollutants

? Byproducts: Formaldehyde, nitrate, bromate, etc. (if necessary)

4. Data Processing

4.1 Calculate removal efficiency and plot curves

4.2 Preliminary Economic Evaluation

? Estimate oxidant, power consumption, lamp depreciation, and hazardous waste disposal costs

? Compare costs with other treatment processes

5. Results Report

5.1 Pilot Test Report

? Includes experimental setup diagrams, raw data, optimal operating conditions, and before-and-after toxicity/biodegradability comparisons.

? Recommended scale-up for pilot testing (generally 50–100x) and process risk points.

5.2 Technical Handover

? Provide process package: reactor type, residence time, oxidant dosing control logic, lamp cleaning method.

? Clarify subsequent pilot site requirements (water inflow, hydraulic retention time, and online monitoring configuration).

Notes

1. If the wastewater contains high salt content (>100 g/L) or high color, first assess its impact on UV transmittance.

Add a dilution or pre-decolorization step if necessary.

2. For biological wastewaters such as antibiotics and hormones, the pilot test should focus on "toxicity reduction and improving the B/C ratio," rather than achieving compliance immediately. Subsequent biochemical or advanced treatment is still required.

3. UV spectroscopy should be verified during the pilot test. The lamp scaling/fouling rate provides data for the frequency of online cleaning or chemical cleaning in subsequent pilot tests.

Parameter

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Telephone：010-82890788

Email：services@onyxepi.com

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Municipal Municipal Wastewater Municipal water supply Recycled Water Reuse Township water supply and drainage Industrial Park New pollutant control Water ecological restoration project

Industry Pretreatment of industrial high-difficulty wastewater Pesticide Industry API pharmaceuticals Chemical waste salt purification Food & Beverage Industry Pharmaceutical Purified water Chip Fabrication Oilfield reinjection water Industrial zero emissions

Commercial Secondary water supply Pool & Aquarium High-quality drinking water POE/POU Aquaculture Cooling Circulating water Laboratory applications

UV-AOPs Wastewater Biodegradability Pretreatment of highly toxic industrial wastewater Chemical active agents Cyanide Organic Complexes

Craftsmanship UV disinfection UV photolysis UV Advanced Oxidation Reverse Osmosis Alternative to pasteurization UV photochemical reaction Ozone oxidation

Resource Recycling waste plastics Construction waste Renovation waste

Municipal WSH UV Disinfection System WTV UV Disinfection Vertical System ZL UV Disinfection System Clear Medium Pressure UV Disinfection System MOL Ceramic Plate CD Ozone Generator UV-AOP Advanced Oxidation System D.FITE Cloth Filter

Industry ZL UV Disinfection System Clear Medium Pressure UV Disinfection System UV-AOP Advanced Oxidation Extrem Medium Pressure UV Disinfection System EX-U UV Sterilizer EX-UPW-TOC UV TOC System MOM Ceramic Plate CD Ozone Generator MOS Ceramic Plate CD Ozone Generator UV-Fenton UV-Oxidation

Commercial EX-L UV Sterilizer EX-U UV Sterilizer ZL UV Disinfection System CLEAR Medium pressure UV Disinfection System OneUV UV Sterilizer Extrem Medium pressure UV Disinfection System UV-AOP Advanced Oxidation MOS Ceramic Plate CD Ozone Generator COG Ceramic Plate CD Ozone Generator

Photochemistry UV-Fenton Medium-pressure UV-Oxidation UV Photolysis Pasteurization UV Alternatives UV Photocatalysis Low Pressure UV-Oxidation

Resource Recycling AI Optical Sorter Al high-speed sorting robot AI heavy-duty sorting robot

Others SATBR Integrated Wastewater Treatment System D.FITE Cloth Filter Modular Wastewater Treatment System ModuOzone Ceramic Plate CD Ozone Generator

After-Sales Services Spare parts replacement Product Repair System Support Renovation Regular maintenance Software Upgrade

Technical Support Process Support Product Training Research & Development Small Test Pilotscale experiment Online dose monitoring UV dose design

Channel Services Municipal Industry Business OEM

Spare parts Low Pressure lamps Low Pressure Amalgam Lamps Medium Pressure Mercury Lamp VUV Low-pressure Mercury Lamp（185nm） Quartz sleeve Ballasts UV Intensity Sensor UV transmittance tester Sealing accessories Other Spare parts replacement

Services

Small Test

ONYX has established a photochemical pilot test base of several hundred square meters at its Tianjin production base, which can carry out small-scale water treatment tests for enterprises in need.

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Small Test ONYX has established a photochemical pilot test base of several hundred square meters at its Tianjin production base, which can carry out small-scale water treatment tests for enterprises in need.

Small Test

ONYX has established a photochemical pilot test base of several hundred square meters at its Tianjin production base, which can carry out small-scale water treatment tests for enterprises in need.