Industry News

Recently, the magnetic Fenton advanced oxidation process of the Guang'an Xinqiao Chemical Park sewage treatment project provided by Geemblue has a stable effluent COD of less than 30mg/L and a stable effluent total phosphorus of less than 0.3mg/L , and passed the acceptance with high standards. 1. Project Overview Project Name Guang'an Xinqiao Chemical Park Wastewater Treatment Project Phase II Processing scale 20,000 m3/day, with a total investment of 223 million RMB and an area of about 70 acres Core Technology Pretreatment → hydrolysis and acidification → integrated biological pool → magnetic Fenton system →V-type filter basin → activated carbon filter basin→ disinfection and discharge Emission standards "Pollutant Discharge Standard for Urban Sewage Treatment Plants" Level A standard, (COD ≤ 50 mg/L, TP ≤ 0.5 mg/L) Operating Unit Beijing Enterprises Water Group 2. The wastewater in the park is mainly organophosphorus pesticide wastewater, which is difficult to treat The wastewater in the park is mainly organophosphorus pesticide wastewater (accounting for 90%), and the main polluting enterprises is the two Chemical industries. Due to the different pretreatment processes of the enterprises, the total phosphorus structure of the two wastewaters is also different. enterprise Waste water characteristics Pretreatment process Chemical industry 1 The proportion of total phosphorus and organic phosphorus is relatively high, and the water quality fluctuates greatly Conventional pretreatment: anaerobic + aerobic + AO Chemical industry 2 The proportion of total phosphorus and organic phosphorus is relatively low, making treatment difficult Ozone pretreatment + anaerobic + aerobic + ultrafiltration + nanofiltration With the increase in the amount of high-phosphorus wastewater, the original sewage treatment system can stably meet the discharge requirements for COD, BOD, NH3-N, and TN, but the pressure to meet the effluent standards for total phosphorus is gradually increasing. The main reason is that most of the total phosphorus is organic phosphorus, and the original process system cannot effectively convert organic phosphorus. Therefore, new chemical phosphorus removal measures are needed. 3. Technical demonstration of phosphorus removal process The sewage treatment plant and its technical unit jointly carried out an on-site pilot test to systematically evaluate the phosphorus removal efficiency of activated carbon adsorption, ozone and Fenton. Technical route TP removal effect Core conclusion Activated carbon ↓ of activated carbon alone is not obvious, while that of activated carbon + flocculant is more obvious, but still does not meet the effluent standard. Activated carbon has poor direct adsorption capacity for organic phosphorus, and TP removal mainly relies on flocculation and sedimentation, which cannot achieve deep phosphorus removal. ozone Chemical industry 1 Wastewater TP ↓ <40%; Chemical industry 2 wastewater TP ↓ <20%; Ozone can oxidiz...

Purevita Ozone Generator Core technology   1. Self-Healing Double-Gap Borosilicate Dielectric Generator   1.1.Core material is 316L, and the main body of the generator chamber is constructed entirely of stainless steel no less than 304 stainless steel. 1.2. High voltage resistance, with a breakdown voltage 10 times the operating voltage, for high reliability. 1.3. Double-layer discharge gap, doubling the discharge area. 1.4. Compact structure significantly reduces footprint. 1.5. All materials are inert, protecting against acidic attack. 1.6. Industrialized production, excellent uniformity, and high ozone concentration.     2. DSP Medium- and High-Frequency IGBT Power Supply   2.1. Designed for ozone capacitive loads, high efficiency. 2.2. Infineon IGBT modules. 2.3. Sine wave output, low harmonics, minimal interference, and low losses. 2.4. Modular design, compact size. 2.5. Optimized PWM control technology and electromagnetic compatibility. 2.6. IGBT control module, comprehensive protection functions. 2.7. Real-time load monitoring, automatic frequency tracking, power factor ≥ 0.95. 2.8. Soft start/stop function.  2.9. Dozens of temperature, voltage, and current pass-through protections ensure stability. 2.10. Sealed structure significantly improves moisture and dust resistance. 2.11. Fully air-cooled power supply with independent air duct design for excellent heat dissipation.   3. Dedicated Transformer 3.1. H-class insulation prevents breakdown. 3.2. Vacuum impregnation technology protects the transformer from moisture. 3.3. Perfect design and processing technology improve inter-turn insulation, primary-secondary insulation, and insulation to ground. 3.4. Special design improves leakage inductance, and through LC series resonance technology, increases load power factor, improves energy utilization, and reduces heat generation. 3.5. Exquisite appearance and compact size facilitate control cabinet design. 3.6. Comprehensive temperature monitoring and excellent heat dissipation design ensure stable transformer operation.   4. Ozone Control System 4.1. Siemens, ABB, and Schneider brands guarantee stability. 4.2. Multiple temperature, pressure, flow, and power monitoring and protection features. 4.3. Detailed graphics and process simulation.  4.4. User level classification meets enterprise management requirements. 4.5. Data upload, recording, IoT, and wireless connectivity are utilized. 4.6. Automatic PID feedback, constant concentration, and other control functions reduce energy consumption and lower costs while meeting customer needs.

How does drinking water get to your home?   As we all know, the water is playing the vital role to our life, it is the life fountainhead, is the humanity livelihood and one of the most important physical resources of development essential. But, do you know the water sources? Most of the water come from surface water sources (e.g. rivers or lakes) or ground water sources. (e.g. wells). Water from these sources is treated at water plant to remove impurities, reducing the risk of the transmission of water borne diseases. How do the water plant treat the water?   1.Raw water intake Water is pumped into the water plant by pump from the river or lake. When the water go through the large metal grills which called screens and trash racks, the large floating objects, aquatic animals or other pollutants are separated    2.Rapid Mixing At this stage, the chemicals Alum or Aluminum Sulphate (a coagulant), liquid polymer (a flocculant) is added to raw water, which is ensure rapid mixing and uniform distribution of the chemicals with the raw water. The Alum reacts rapidly with the water’s alkalinity to produce a gelatinous precipitate of Aluminum Hydroxide called microfloc that is injected into the tanks to remove particulate impurities from the water, such as non-settleable solids. The liquid polymer aids coagulation by enlarging the floc particles. Chlorine is added to prevent algae growth on the wall of the flocculation and sedimentation basins.   3.Flocculation After rapid mixing, the water flows into flocculation basins, where the flow of water is slowed and the floc has time to grow bigger. Sedimentation Next, the water flows into sedimentation basins where the water moves slowly, causing the heavier solids to settle to the bottom of the tank and the lighter materials to float. The settled solids are called sludge, and is piped to drying lagoons.   4.Filtration After leaving the sedimentation basin, the water flows through a filter designed to remove particles in the water. The filters are made of layers of sand and gravel, in order to remove dissolved particles, such as dust, parasites, bacteria, viruses, and chemicals.   5.Disinfection After the water is filtered, then chlorination step is used for killing any remaining parasites, bacteria, and viruses, and to protect the water from germs when it is piped to homes and businesses. The sodium hypochlorite generator is a type of water treatment disinfection device which uses salt as a raw material and produce a sodium hypochlorite solution by electrolytic reaction.   But, Why Choose Onsite Sodium Hypochlorite Generator?  -Safety     Safe Raw Material: only salt and water required; Safe Production: the concentration of NaClO less than 1% which is classified as a non-hazardous chemical -Low Running Cost To produce 1 kg available chlorine , only cost 3.5 kg of salt , 4 kwh of energy -Onsite Generation and dosing No chemical transportation and stora...