Wastewater treatment chemicals
| Application Areas | Additive Name | Application Equipment | Model | Performance |
| MTO | High-Temperature Extraction Agent | Quenching Tower | TRD-SH-25 | Reduce the content of fine catalyst powder in the quenching water, reduce the accumulation of fouling on the equipment surface, and extend the operating cycle of subsequent equipment |
| Online Descaling Agent for Quenching Tower | Quenching Tower | TRD-WT-71 | Can be applied online to the quenching tower. Without changing the operating conditions of the quenching tower, it increases the stability of the fine catalyst powder in the quenching water, improves the fouling carrying capacity of the external quenching water, reduces the accumulation of fine catalyst powder in the quenching tower, improves the quenching water, and stabilizes the long-cycle operation of the quenching tower. | |
| Water Washing Tower Scale Inhibition and Dispersion Agent | Water Washing Tower | TRD-WT-61 | Prevent the coagulation and deposition of various suspended substances and heavy oil components in the water to form scaling. It can significantly reduce the pressure drop of the water washing tower and effectively extend the operating cycle of the device. | |
| Anti-Fouling Agent | Wastewater Stripping Tower | TRD-WT-64 | Reduce organic matter and catalyst scaling on the trays of the wastewater stripping tower, effectively extending the normal operation cycle of the device and reducing maintenance costs | |
| Heat Exchanger Cleaning Agent | Heat Exchanger | TRD-WT-72 | Achieve online cleaning of the heat exchanger, avoiding the safety and environmental problems caused by core removal cleaning. | |
| Olefin Separation | High-Efficiency Fouling Cleaning Agent | Olefin Separation Water Washing Tower | TRD-WT-70 | Online application to the water washing tower to clean the internal packing of the water washing tower, which can significantly reduce the pressure drop of the water washing tower and effectively extend the operating cycle of the device |
| Caustic Washing Tower Cleaning Agent | Caustic Washing Tower | TRD-1F | Inhibit the formation of butter during the caustic washing process, and at the same time, the highly efficient dispersed components will peel off and disperse the polymers attached to the trays, achieving online cleaning of the already blocked caustic washing tower, restoring the washing effect of the caustic washing tower, and extending the operation cycle of the device. | |
| Butter Inhibitor | Caustic Washing Tower | TRD-1-MTO | Inhibit the self-polymerization of a large amount of peroxide contained in the methanol conversion gas of the MTO device. In addition, it can also inhibit the aldol condensation reaction in the oil and water phases of the caustic washing tower, thereby inhibiting the production of butter in the MTO device caustic washing tower. During use, it can also dissolve and disperse the existing butter polymers in the caustic washing tower. | |
| Interstage Corrosion Inhibitor | Compressor | TRD-SH-34 | Reduce the corrosion of the compressor caused by the product gas. | |
| Compressor Scale Inhibitor | Compressor | TRD-G19 | Not only is the amount of scaling very small, but the scaling is loose and easy to clean. The compressor overhaul cycle can be extended by one and a half to two years, and the overall effect is good. | |
| C3 Anti-Polymerization Agent | De-propanizer and its Reboiler | TRD-SH-21 | It can effectively reduce the fouling deposits formed by the polymerization of diolefins in the materials, improve the mass transfer and heat transfer efficiency of the equipment, and extend the operation cycle of the device | |
| C4 Anti-Polymerization Agent | De-butanizer and its Reboiler | TRD-SH-22 | It can reduce the scaling of the de-butanizer trays and reboilers, prevent blockage, reduce maintenance, and extend the operation cycle of the device. | |
| C5 Anti-Polymerization Agent | De-pentanizer and its Reboiler | TRD-SH-23 | It can reduce the scaling of the de-pentanizer, de-pentanizer reflux tank, and C5 product tank, prevent blockage, reduce maintenance, and extend the operation cycle of the device. | |
| C4 Antioxidant | C4 Material Transportation Process | TRD-SH-29 | It can effectively control the free radical polymerization of active olefins in C4 materials, prevent the formation of end polymers, and ensure the safe storage and transportation of C4 products | |
| Quenching Oil Scale Inhibitor | Quenching Oil Tower | TRD-SH-30 | On the gasoline fractionation tower of the ethylene plant, it prevents the rapid increase in the viscosity of the quenching oil and inhibits the polymerization of unsaturated compounds in the quenching oil. It has the effect of inhibiting the production of free radicals and the viscosity of polymer components. | |
| Quenching Water Neutralizer | Quenching Water Tower | TRD-WT-01 | Increase the pH of the quenching water, reduce acid corrosion, and reduce the concentration of iron ions. | |
| Quenching Water Demulsifier | Quenching Water Tower | TRD-G10 | Reduce water emulsification and ensure stable operation of the device. | |
| Refining and Finished Oil Products | Raw Material Pretreatment High-Temperature Corrosion Inhibitor | Atmospheric and Vacuum Distillation Tower | TRD-SH-15 | This product can effectively inhibit high-temperature naphthenic acid corrosion and prevent corrosion of the high-temperature parts of the equipment. |
| Atmospheric and Vacuum Distillation Neutralization and Corrosion Inhibitor | Atmospheric and Vacuum Distillation Unit | TRD-G21 | Convenient addition (diluted with a certain amount of water); small dosage; has a certain neutralization capacity, which can reduce the amount of ammonia injected into the system. | |
| Organic Amine (Neutralizer) | Atmospheric and Vacuum Distillation Unit | TRD-WT-52 | Low injection volume; rapid neutralization of acidic gases, with wastewater pH reaching 6.5-7.5; effectively reduces dew point corrosion of heat exchange equipment and pipelines, extending the service life of equipment. | |
| Residue oil scale inhibitor | Atmospheric and Vacuum Distillation Unit | TRD-G37 | Wide applicability; good oil solubility, easy to add; the operation time of the device can be extended by more than double, the bottom pipeline of the fractionation tower does not coke, and the average temperature rise on the surface of the heat exchanger does not exceed 30℃; it does not affect the normal production of the device, does not affect the product distribution and product quality, and has no side effects on subsequent processes. | |
| Olefin removal catalyst | Removal of trace olefin impurities after catalytic reforming, aromatics extraction, isomerization, and toluene disproportionation processes. | TRD-DTO-1 | It has a large number of acidic centers, higher activity than clay, and a wider operating temperature range; aromatics loss is less than clay; long cycle time, single-pass life is more than 10 times that of industrial clay; it can operate for a long time at a lower reaction temperature, and can also be reused through regeneration; the reduction of bromine index protects downstream equipment; the process is simple and compatible with clay refining devices, requiring almost no modification; the amount of solid waste discharged is reduced by 85%～90%, effectively reducing labor intensity. | |
| Coke liquefaction agent | Coking unit | TRD-G03 | Good oil solubility, can quickly mix with the feedstock oil; easy to add, does not affect the normal production of the device, does not affect the product quality; can effectively reduce the generation of dry gas and coke, increase the yield of light oil; prevent coking and scaling in the system, effectively control the temperature of the heater furnace tubes, and the pressure drop increase trend; high thermal stability, does not volatilize or decompose under high temperature conditions. | |
| High-temperature corrosion inhibitor for coking | Coking unit | TRD-SH-13 | This product can effectively inhibit high-temperature naphthenic acid corrosion and prevent corrosion of the high-temperature parts of the equipment. | |
| Coking corrosion inhibitor | Coking unit | TRD-WT-35 | Effectively reduces acidic corrosion; reduces the content of metal ions in the solution. | |
| Coking demulsifier | Coking unit | TRD－G10 | It has the characteristics of fast dispersion speed, good demulsification effect, and small addition amount; easy to add, does not affect the normal production of the device, does not affect the distribution and quality of coking products, and has no side effects on subsequent devices; high thermal stability. It can achieve rapid demulsification and separation of emulsions, effectively reducing the oil content. | |
| Coking coke scale inhibitor | Coking unit | TRD-G06 | Wide applicability; good oil solubility, easy to add; significant effect, when the dosage is 50-100ppm, the operation time of the device is extended by more than double, and there is basically no coking phenomenon in the heater furnace tubes; it does not affect the normal production and product quality of the device, and has no side effects on subsequent processes; effectively inhibits and eliminates bubbles generated in the system, reducing operating pressure. | |
| Low-silicon defoamer for coking | Coking unit | TRD-G09 | Composed of organic compounds, it does not contain silicon; compared with silicon-containing defoamers, it will not have a poisoning effect on downstream hydrorefining catalysts; easy to add, does not affect the normal production of the device, and product quality; high thermal stability, thermal decomposition temperature up to 450℃ or more. | |
| Gasoline antioxidant and anti-gumming agent | Finished oil additive | TRD-G28 | It can be used for multiple purposes, easy to use; mature technology, no side effects; can effectively improve gasoline stability. | |
Coal-fired system |
Ash water dispersant | Ash water return system | TRD-G39 | It has the properties of high temperature resistance, hydrolysis resistance, high pH resistance, and oxidation resistance, and can effectively disperse particulate matter in water, preventing the precipitation of calcium carbonate and calcium phosphate scales in water, especially suitable for high-hardness and high-turbidity water systems. |
| Ash water flocculant | Ash water circulation system | TRD-G38 | To accelerate the sedimentation of suspended particles in ash water, ensure the recycling of ash water, and reduce scaling in the system equipment and pipelines. | |
| Water coal slurry additive | Production of combustion water coal slurry | TRD-G36 | It can improve the dispersion and suspension ability of coal powder, achieve higher coal slurry concentration, lower viscosity, improve the fluidity and stability of coal slurry, and thus improve the combustion efficiency while ensuring the performance. | |
Public works chemicals and water treatment chemicals
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Amine neutralizer | Boiler | TRD-WT-01 | It can effectively improve the pH value of the boiler feed water system, in-furnace water system, steam system, and condensate system, inhibit acidic corrosion of the condensation system, and improve the recovery rate of condensate. |
| Oxygen scavenger | Boiler | TRD-WT-02 | Used as a chemical oxygen scavenger for demineralized water in industrial boilers, solving the problem of oxygen corrosion in water walls and other parts caused by low efficiency of mechanical deoxygenation and unqualified oxygen content. | |
| High-efficiency organosilicon defoamer | Absorption tower | Silspred400 | Suitable for papermaking, dyeing, washing, oil extraction, water treatment, ethylene glycol unit, and other processes such as ethylene oxide absorption towers. | |
| Wet desulfurization wastewater flocculant | Desulfurization tower | TRD-WT-12 | Suitable for the purification of desulfurization wastewater with high calcium sulfate. | |
| Heavy metal scavenger | ----- | TRD-WT-18 | It undergoes chemical reactions with various heavy metal ions such as Cu2+, Cd2+, Hg2+, Pb2+, Mn2+, Ni2+, Zn2+, and Cr3+ in wastewater, and quickly forms insoluble, low-water-content, easily filterable flocculent precipitates in a short time, thereby removing heavy metal ions from the water. | |
| Reverse osmosis scale inhibitor | RO | TRD-WT-57 | Suitable for reverse osmosis (RO) systems, it can prevent membrane scaling, improve water yield and water quality, and reduce operating costs. | |
| Non-oxidizing bactericide | RO, NF, UF | TRD-WT-48 | Suitable for reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) systems to inhibit microbial growth and reduce biofouling. | |
| Acid Cleaning Agent | RO, NF, UF | TRD-WT-58 | Suitable for reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) systems; excellent cleaning effect can prolong the operation cycle of membrane equipment. | |
| Alkaline Cleaning Agent | RO, NF, UF | TRD-WT-59 | Suitable for reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) systems; excellent cleaning effect can prolong the operation cycle of membrane equipment. | |
| Corrosion Inhibitor and Scale Inhibitor | Recirculating Water System | TRD-WT-56 | It has a good chelating and dispersing effect on calcium carbonate and calcium phosphate in water, and has a good corrosion inhibition effect on carbon steel and copper. | |
| Bromine-based Disinfectant | Recirculating Water System | TRD-WT-39 | Widely used in circulating cooling water, pulp and paper making, textile printing and dyeing, etc. | |
| COD Removal Agent |
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TRD-WT-05 | And quickly destroy the macromolecular structure of organic matter in wastewater, thereby achieving the purpose of removing COD. | |
| Phosphorus Removal Agent | TRD-WT-03 | Used to remove inorganic phosphorus, organic phosphorus and other total phosphorus in water bodies, effectively solving water eutrophication, and a special agent developed to address the difficulty of treating high total phosphorus in domestic sewage. | ||
| Ammonia Nitrogen Removal Agent | TRD-WT-08 | Specifically removes ammonia nitrogen from wastewater. | ||
| New Type Carbon Source | TRD-WT-15 | High COD value, can completely replace methanol and sodium acetate, low dosage, the new carbon source saves 20% to 50% compared with the traditional carbon source. | ||
| Sludge Conditioning Agent | TRD-WT-16 | Suitable for sludge pre-thickening and sludge dewatering in municipal wastewater treatment plants and various industrial and domestic wastewater treatment facilities. | ||
| Polyaluminum Chloride Series | Water Purification | |||
| Polyferric Sulfate | Water Purification | |||
| Sludge Peel-off Agent | TRD-WT-11 | Good dispersibility and permeability, strong penetration, low toxicity, and fast action. | ||
| Polyacrylamide | Water Purification | |||
| Sodium Hydroxide | Adjust the pH of the water body. | |||
| Sodium Carbonate | Water Softening | |||
| Sodium Acetate | Wastewater treatment, carbon source | |||
| Sodium Phosphate | Boiler Scale | |||
| Citric Acid | Adjust pH value during wastewater treatment |
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