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174 results about "Environmental regulation" patented technology
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System integration of a steam reformer and gas turbine
A novel process and apparatus for power generation from biomass and other carbonaceous feedstocks are provided. The process integrates a pulse combustor steam reformer with a gas turbine to generate electricity such that (i) efficiency is higher than those of conventional and current advanced power systems, (ii) emissions are lower than those proposed in the new environmental regulations, and (iii) performance is comparable to that of combined cycle, even though a bottoming cycle is not included here. The pulse combustor steam reformer generates a hydrogen-rich, medium-Btu fuel gas that is fired in a gas turbine to generate electricity. The apparatus may be configured to produce only power or combined heat and power.
Owner:THERMOCHEM RECOVERY INT
Method and system for blending gasoline and butane at the point of distribution
InactiveUS7032629B1Quantity maximizationMinimize their cost basisLiquid fillingOperating means/releasing devices for valvesEnvironmental regulationGasoline
A system and method is provided for blending butane with gasoline at petroleum tank farms, immediately before distribution to tanker trucks. The invention provides a method for blending gasoline and butane at a tank farm comprising: (a) drawing a gasoline stream from a tank of gasoline; (b) drawing a butane stream from a tank of butane; (c) blending the butane and gasoline streams to form a blend; and (d) dispensing the blend. The blending process can be controlled to ensure that the vapor pressure of the blended gasoline meets vapor pressure requirements of environmental regulations. Information generated by the blending process can be used to efficiently forecast butane purchasing requirements, and to generate regulatory reports.
Owner:SUNOCO PARTNERS MARKETING & TERMINALS LP
System integration of a steam reformer and gas turbine
Owner:THERMOCHEM RECOVERY INT
Methods for forming faucets and fixtures
InactiveUS20120186768A1High temperature resistanceConservation of manufacturing costFoundry mouldsFoundry coresWaxEnvironmental regulation
This invention provides methods for forming stainless steel, single-piece, multi-chambered water faucets and fixtures with a single one-body construction. A variety of stainless steel products can be formed with a main body having an internal hollow region and a plurality of dividing chambers. The main body may be constructed using high temperature resistant ceramic cores in combination with a lost wax investment casting process. The stainless steel products formed from a single piece construction can eliminate the need for additional time-consuming manufacturing steps, such as parts welding, screw assembly, or precision press fitting. In addition, water faucets and fixtures can be provided that are substantially lead-free, non-verdigris, and non-toxic in compliance with environmental regulations and lead / toxic limits.
Owner:SUN DONALD +1
Method for separating fluids
InactiveUS6989103B2Avoid flaringReduce oil contentFatty/oily/floating substances removal devicesWater cleaningEmulsionEnvironmental regulation
Methods of treatment of fluids produced by an oil or gas well following a stimulation operation, allowing separation from the fluids and re-injection of oil and gas hydrocarbons in a production pipeline under pressure, and allowing achievement of suitable quality for the residual fluids compatible with their rejection, for example into the sea, including the following three elements; neutralization of the fluids by mixing with a high pH chemical, until the resulting pH reaches a level compatible with the equipment and pipes; use of optimized emulsion breakers in a phase separator, selected for best results with the fluids produced by the well, to accelerate the separation of oil from the fluids, and to lower the residual oil content in the fluids to levels compatible with environmental regulations; and use of a multi-phase pump to pump the oil and gas hydrocarbons produced and reinject them in a pipeline under pressure.
Owner:SCHLUMBERGER TECH CORP
Heat recovery gas turbine in combined brayton cycle power generation
A combined Brayton cycle power plant (5). A combustion gas turbine engine (21) in the power plant uses a first Brayton cycle (20), and produces waste heat in an exhaust combustion gas (36). A heat exchanger (58) transfers the waste heat to a compressed working airflow (56) for a second Brayton cycle (50) in a heat recovery gas turbine engine (51). The heat transfer lowers the temperature of the combustion exhaust gas (36) to within an operating range of a conventional selective catalytic reduction unit (80), for efficient reduction of nitrogen oxide emissions to meet environmental regulations.
Owner:SIEMENS ENERGY INC
Linkage environment regulating system and control method thereof
ActiveCN106352494AImprove experienceMechanical apparatusSpace heating and ventilation safety systemsEnvironmental regulationTarget control
The invention provides a linkage environment regulating system and a control method thereof and relates to the technical field of air conditioners. The linkage environment regulating system and the control method thereof are used for solving the problem that when multiple indoor regulating devices are in linkage, environments in regulating areas cannot meet users' requirements due to mutual influence between regulating devices. The system is used for regulating the environments of at least one regulating area. In any regulating area, a detection device, a comfort regulating device and an air quality regulating device are arranged. The linkage environment regulating system further comprises a control device. The detection device is used for obtaining environment temperature, environment humidity and air quality parameters. The control device is used for generating regulating parameters of the regulating area according to the environment temperature, the environment humidity, the air quality parameters, target control parameters and linkage parameters. The comfort regulating device and the air quality regulating device are used for regulation according to the regulating parameters. The linkage environment regulating system is used for environmental regulation.
Owner:QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
Environmental regulation device control system, method, server and mobile terminal
InactiveCN104865906AEasy to controlImprove experienceTotal factory controlProgramme control in sequence/logic controllersEnvironmental regulationUser input
The invention provides an environmental regulation device control system, which comprises a mobile terminal, an instant communication server, an internet of things server and an environmental regulation device, wherein the mobile terminal is provided with an instant communication tool, a control instruction and a control parameter inputted by a user are received via the instant communication tool, and the mobile terminal then sends the control instruction and the control parameter to the instant communication server; the instant communication server sends the control instruction and the control parameter to the internet of things server; the internet of things server sends the control instruction and the control parameter to the environmental regulation device and receives state information sent by the environmental regulation device; and the environmental regulation device works according to the control instruction and the control parameter. According to the environmental regulation device control system provided by the invention, setting is simple, user experience is friendly, self-defined setting and interaction can be carried out, and more intelligence and humanization are realized. The invention also discloses an environmental regulation device control method, a mobile terminal and a server.
Owner:GD MIDEA ENVIRONMENT APPLIANCES MFG +1
Environmentally preferred high solids, low viscosity flock adhesives
InactiveUS6924000B2Low in VOCsGood paintabilityLayered productsPolyureas/polyurethane adhesivesFiberElastomer
An environmentally preferred flock adhesive composition containing low molecular weight prepolymers of isocyanate terminated polyether and / or polyalkadiene polyols is disclosed. The prepolymers are free of residual volatile isocyanate (<1000 ppm) without blocking the isocyanate thereby providing favorable effects on viscosity, cure kinetics, and safety. The flock adhesive composition preferably contains an aromatic nitroso compound an epoxy novolak resin and a catalyst. The adhesive compositions can be made at high solids, with minimal co-solvent, while maintaining low viscosity, which is favorable to environmental regulations aimed at reducing solvent emissions. Furthermore, the solvents can be non-HAP and non-photochemically reactive. The adhesive composition can be utilized for the application of flocking fibers to various elastomer substrates.
Owner:LORD CORP
Efficient energy-saving purification and recovery process of tail gas containing volatile organic compounds (VOCs)
InactiveCN104524929AReduce energy consumptionEasy to recycleDispersed particle separationAir quality improvementEnvironmental regulationPhysical chemistry
The invention provides an efficient energy-saving purification and recovery process of tail gas containing volatile organic compounds (VOCs). The tail gas to be treated enters from the bottom of an absorption tower, is subjected to a first step of solvent absorption to remove the VOCs, continues rising and is subjected to a second step of water absorption to remove absorption solvent entrained in the tail gas, and finally the purified tail gas is exhausted from the top of the absorption tower; solvent having absorbed the VOCs and water having absorbing the solvent enter a vacuum distillation recovery tower together to be recovered and regenerated, and regenerated water and regenerated solvent return to the absorption tower to be recycled. By means of the process, the tail gas containing the VOCs can be purified, the VOCs can be recycled, and the gas can meet emission standards stated in environmental regulations; generated heat is transferred in time in the absorption process to improve the absorption effect, and the recovered solvent and the recovered water can be recycled and are stable, free of toxicity and corrosiveness, easy to recover and small in loss.
Owner:TIANJIN AOZHAN XINGDA TECH
Green environmental control device and method for plastic cold shed
ActiveCN103141344AReduce placement restrictionsRealize automatic controlClimate change adaptationRenewable energy machinesAutomatic controlEngineering
The invention relates to the field of environmental control of cold sheds, and discloses a green environmental control device for a plastic cold shed. Flexible solar cell panels are adopted and use solar power generation for power supplying; a circuit board integrated control system sends a control instruction according to environmental information measured by a sensor; executing equipment executes the control instruction for environmental control; automatic control of a cold shed environment without an accessed power supply is achieved; the problems that medium and small plastic cold sheds do not have monitoring equipment or control equipment for the power supplying, the mounting is difficult, the environmental control is not in time, and the automation degree is low are solved; and environmental control modernization of the plastic cold shed is achieved with lower cost and zero energy consumption. The invention also provides a green environmental control method for the plastic cold shed. Control logic is selected flexibly according to variety and quantity of particularly mounted equipment, and environmental regulation and control optimization is achieved.
Owner:BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
Free-market environmental management system having insured certification to a process standard
InactiveUS7401036B2Facilitate conductionReduce traffic requirementsFinancePayment architectureEnvironment effectSystems design
Environmental regulation by government is structurally incapable of satisfying its mandate. The present invention is an alternative, free-market management system designed to deliver a superior product, at lower cost, with an insured guarantee, and without regulatory oversight by government. The system uses an insured, certified best-practice form of process certification that objectively accounts the financial value of ecosystem resources. The conduct of practice within the system accounts the price of assets at risk and characterizes their function by which to market them for their ability to offset the environmental impacts of industrial, commercial, and residential activities.
Owner:VANDE POL MARK E
Water-based coating agent composition, water-based lubricating film paint composition comprising same, and member
ActiveCN107429116AInhibition of thickeningPrevent gelationAdditivesEmulsion paintsWater basedEmulsion
The present invention addresses the problem of providing a water-based coating agent composition (in particular, a water-based lubricating film paint composition that includes a solid lubricant) that suppresses the interaction of a curable resin and a surfactant, that suppresses thickening / disproportionation throughout a water-based coating agent, that has superior total fluidity, coating properties, and storage stability, and that can form a favorable coating film, and the problem of providing a member that is provided with said coating film, and a method for forming said coating film. Said problems can be solved by a water-based coating agent composition that includes (A) a curable resin in the form of a water-based emulsion, (B) a surfactant, (C) solid particles, (D) one or more nitrogen-containing heterocyclic compound, and (E) water. In particular, the (C) component preferably includes a solid lubricant, and for reasons of environmental regulations, it is particularly preferable that the (D) component be 1,3-dimethyl-2-imidazolidinone.
Owner:DUPONT TORAY SPECIALTY MATERIALS KK
Vehicle environmental regulatory compliance system and method of verifying regulatory compliance of a vehicle
ActiveUS20070276561A1Improve convenienceLow costVehicle testingRegistering/indicating working of vehiclesTransceiverWireless transceiver
Owner:OPUS INSPECTION
Purge method and purge unit for gas turbine combustor
ActiveUS20130291547A1Prevent deviationTurbine/propulsion fuel valvesGas turbine plantsCombustion chamberCombustor
A purging method and a purge unit for a gas turbine combustor capable of effectively preventing deviation of an exhaust gas environmental regulation value from a regulation range in the case of using a dual-fuel type gas turbine combustor. The gas turbine combustor is provided with nozzles. Which communicate with an oil fuel line where oil fuel flows and a gas fuel line where gas fuel flows and are capable of switching injection fuel between the oil fuel and the gas fuel. A purging method for the gas turbine includes a first purge step of purging the oil fuel line by at least water immediately after the injection fuel is switched to the gas fuel from the oil fuel and a second purge step of purging the oil fuel line by at least water immediately before the injection fuel is switched to the oil fuel from the gas fuel.
Owner:MITSUBISHI POWER LTD
Double-walled flexible dispenser sump connection system
InactiveUS20060185729A1Prevent fuel leakageOvercome difficultiesFlanged jointsEqualizing valvesEnvironmental regulationDouble wall
A double-walled flexible dispenser sump connection system prevents fuel leaks into a dispenser sump located below a fuel dispenser. An inner flexible connector and an outer flexible connector are configured such that the dispenser sump connection system may be installed on newly constructed fuel delivery systems or be retrofitted onto existing fuel delivery systems in order to bring them into compliance with recently environmental regulations.
Owner:FLEX ING
Central monitoring method and central monitoring system for wards
ActiveCN105787285ANo manual operation requiredSave operating timeMedical devicesTelemedicineEnvironmental regulationMonitoring system
The invention relates to a central monitoring method for wards.The central monitoring method includes the steps of using a central monitoring unit for receiving physiological parameters uploaded by monitors and receiving environmental parameters of multiple wards uploaded by environmental sensors arranged in the wards according to setting time; judging whether or not the environmental parameters in the wards uploaded by the corresponding environmental sensors exceed set threshold values one by one, and if yes, generating regulating commands and sending the regulating commands to corresponding environmental regulation devices in the wards; judging whether or not the physiological parameters uploaded by the monitors exceed set threshold values one by one, and if yes, generating control commands and sending the control commands to access devices corresponding to monitoring ward bed numbers of the monitors to enable the access devices to act.The invention further relates to a system for implementing the central monitoring method.The central monitoring method and the central monitoring system for the wards have the advantages of fewer operation steps, lower cost and higher efficiency.
Owner:XIAN EDAN SCI APP
Recirculated cooling water system and purification method for recirculated cooling water
InactiveCN101928063AReduce ammonia nitrogenReduce CODEnergy based wastewater treatmentSustainable biological treatmentPurification methodsOperational costs
The invention provides a recirculated cooling water system which comprises a collecting basin, a water pump, a heat exchanger and a cooling tower which are distributed along the flow direction of recirculated cooling water, as well as a biological aerated filter arranged behind a by-pass filter or a biological aerated filter arranged on a by-pass leaded out from the collecting basin. The recirculated cooling water system provided by the invention is adopted to purify the recirculated cooling water, thus the problem of quality deterioration of the recirculated cooling water caused by serious or slight material leakage, sewage recycling carried out on the recirculated cooling water and other reasons can be prevented and treated, and along with the extension of the operational time, the water quality can be gradually and thoroughly purified, and the direct sewage disposal of the recirculated water meets the requirement of the state environmental regulation that the CODcr is less than 60mg / L. The method of the invention has the advantages of low equipment investment and operational cost, small occupied area, no chemical agent consumption and higher practicability and economical efficiency.
Owner:CHINA PETROLEUM & CHEM CORP +1
Floating power plant
InactiveUS20060243186A1Minimize limitationHull interior subdivisionBoiler cleaning apparatusElectricityPower station
Disclosed is a floating power plant. The floating power plant includes a hull having a structure suitable for being movable at sea; a plurality of watertight bulkheads placed in the hull to a height of a freeboard deck, thus partitioning the interior of the hull into a plurality of watertight chambers; a power generating means for generating electricity, the power generating means including a plurality of parts separately installed in the watertight chambers; and a duct arranged to pass over the freeboard deck to couple the parts of the power generating means installed in the watertight chambers to each other. Because the floating power plant, provided with the power generating means, is freely movable at sea, the floating power plant can economically supply electricity to a specific district or to a specific facility that temporarily uses electricity, and can minimize limitations caused by environmental regulations, and can be used as an emergency electric power source. Thus, the floating power plant remarkably increases the degree of freedom while forming and managing an energy policy. Furthermore, the present invention overcomes problems of conventional land power plants and, particularly, solves the problem of the waste of land caused by construction of power plants on land, and thus reduces environmental pollution.
Owner:KIM MI YEONG
Mg-based ferrite, an electrophotographic development carrier containing the ferrite, and developer containing the carrier
The present invention provides a magnesium-based ferrite having a high dielectric breakdown voltage and a saturation magnetization suitable for electrophotographic development, a carrier containing the ferrite, and an electrophotographic developer containing the carrier. The magnesium-based ferrite material of the present invention contains Li, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ti, Zr, Hf, V, Nb, Ta, Al, Ga, Si, Ge, P, Sb, Bi or combinations thereof. The saturation magnetization of the magnesium-based ferrite material is 30 to 80 emu / g, and the dielectric breakdown voltage is 1.5 to 5.0 kV. The magnesium-based ferrite material achieves high image quality and meets environmental regulations.
Owner:KANTO DENKA IND CO LTD
Electrodialysis reversal and electrochemical wastewater treatment method of compound containing nitrogen
InactiveUS20090127194A1Improve performanceEfficient removalWater treatment parameter controlWater contaminantsWater useEnvironmental regulation
Provided is a wastewater treatment method using an electrodialysis reversal (EDR)-electrochemical wastewater treatment (EWT) combined process, the method including: separating inflow wastewater which contains nitrogen compounds into product water and concentrated water using an EDR facility; and decomposing the concentrated water into target materials to be eliminated from the wastewater in an EWT facility. Provided is a wastewater treatment method for decomposing inflow water containing a nitrogen-containing compound into target materials to be eliminated using an EWT facility alone. According to the wastewater treatment method, product water which is flowed out from an EDR facility can be reused as raw water, and the method guarantees reliability and stability by simultaneously processing recalcitrant COD and T-N in the concentrated water. The wastewater treatment method efficiently removes recalcitrant COD and T-N, which are derived from ethanolamine (ETA), in wastewater produced in a power plant and an industrial facility using ETA as a pH-adjusting agent. EDR-EWT process can be easily combined with a common wastewater treatment and can efficiently and stably treat wastewater containing recalcitrant COD and T-N. Therefore, the method can actively satisfy the strengthening environmental regulation criteria.
Owner:KEPCO ENGINEERING & CONSTRUCTION COMPANY INC
Acrylic Rubber Composition And Acrylic Rubber Vulcanizate
InactiveUS20080071014A1High modulusHigh tensile strengthFatty substance preservation using additivesPolymer scienceAcrylic rubber
It is to provide an acrylic rubber composition which provides an acrylic rubber vulcanizate retaining high tensile strength and modulus even if a long-term thermal load is applied and contains no component limited by environmental regulations. The above object is attained by an acrylic rubber composition comprising 100 parts by weight of a carboxyl group-containing acrylic rubber and 0.3 to 8 parts by weight of a styrenated diphenylamine compound, and by an acrylic rubber composition further comprising 0.05 to 20 parts by weight of a crosslinking agent besides the above components.
Owner:ZEON CORP
Museum cultural relic protection system based on environmental data acquisition and monitoring
PendingCN112732708AStrengthen the level of environmental monitoringAchieving preventive protectionResourcesKnowledge representationEnvironmental resource managementEnvironmental regulation
The invention discloses a museum cultural relic protection system based on environmental data acquisition and monitoring, which comprises an online monitoring module, an online evaluation module, a real-time alarm module and an environmental regulation and control module, and is characterized in that the online monitoring module comprises regional monitoring, equipment monitoring, daily environmental monitoring reports and monitoring instruction issuing; and the online evaluation module comprises a cultural relic environment evaluation knowledge base and cultural relic environment evaluation standard specifications. The museum cultural relic protection system based on environmental data acquisition and monitoring can autonomously monitor the environment where cultural relics are located, acquire environmental data in real time and transmit the acquired data to the monitoring platform, and the platform analyzes and processes the data and displays the data to monitoring personnel in the form of a visual chart, so that workers can make decisions conveniently, and the museum cultural relic protection system is high in practicability. Finally, preventive protection of cultural relics is realized, and the environmental monitoring level of a museum is enhanced.
Owner:湖北微云科技有限公司
Methods for forming faucets and fixtures
This invention provides methods for forming stainless steel, single-piece, multi-chambered water faucets and fixtures with a single one-body construction. A variety of stainless steel products can be formed with a main body having an internal hollow region and a plurality of dividing chambers. The main body may be constructed using high temperature resistant ceramic cores in combination with a lost wax investment casting process. The stainless steel products formed from a single piece construction can eliminate the need for additional time-consuming manufacturing steps, such as parts welding, screw assembly, or precision press fitting. In addition, water faucets and fixtures can be provided that are substantially lead-free, non-verdigris, and non-toxic in compliance with environmental regulations and lead / toxic limits.
Owner:哈维苏
Lubricant composition for internal combustion engine
InactiveUS20090203561A1Improve oxidation stabilityImproved friction reducing effectAdditivesInternal combustion enginePhenol
A lubricating oil composition for internal combustion engines, containing a base oil, (A) at least one compound selected from disulfide compounds represented by the following general formula (I):R1OOC-A1-S—S-A2-COOR2 (I)and disulfide compounds represented by the following general formula (II):R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12 (II),(B) an organomolybdenum compound, and (C) a phenol-based antioxidant and / or an amine-based antioxidant. The lubricating oil composition is a low ash, low phosphorus lubricating oil composition which is used for internal combustion engines such as gasoline engines, diesel engines and gas engines, which has improved oxidation stability and friction reducing effect, and which complies with environmental regulations.
Owner:IDEMITSU KOSAN CO LTD
Lubricating oil composition
ActiveCN101522873AImprove anti-friction performanceImprove oxidation stabilityAdditivesBase-materialsInternal combustion engineFatty acid
The present invention provides a lubricating oil composition comprising a base oil for a lubricating oil, (A) a fatty acid partial ester compound, 0.5 to 1.5 % by mass of (B) (b1) an aliphatic amine compound and / or (b2) an acid amide compound, 0.01 to 0.1 % by mass of (C) a specific benzotriazole derivative and a specific amount of (D) a specific succinimide compound. It is a lubricating oil composition of an environmental regulation compliant type which is used for internal combustion engines such as gasoline engines, diesel engines, engines using dimethyl ether for fuel, gas engines and thelike, which does not contain Mo base friction reducing agents and is reduced in ash, phosphorus and sulfur and in which a friction reducing effect, an oxidation stability and a corrosion inhibiting effect are enhanced.
Owner:IDEMITSU KOSAN CO LTD
Preparation and preparation process for purifying storage environment and regulating environmental humidity
ActiveCN102284270ALow costStrong adsorption functionOther chemical processesLighting and heating apparatusPerfect stateChemistry
The invention provides a preparation process of a preparation for purifying a storage environment and regulating environmental humidity. The preparation can be used for absorbing ammonia, formaldehyde, residual hydrogen phosphide and other gases in the storage environment, and regulating the humidity of local storage space, so that the storage space is maintained in a perfect state. The preparation comprises the following main components: calcium chloride, starch, perlite, activated carbon, diatomaceous earth and zeolite. The preparation process mainly comprises the following steps: deep physical modification (enhancement of a specific surface area), crushing and granulation, and mixed package. The preparation is in accordance with natural green, environment-friendly and low-carbon concepts, has obvious effects on purifying the storage environment and regulating the humidity of the storage environment, and has a simple process.
Owner:BEIJING YINGFENG LITAI TECH TRADE
Packing leak detection system
ActiveUS9880065B1Easy dischargePositive displacement pump componentsFluid pressure measurement by electric/magnetic elementsEnvironmental regulationEngineering
Exemplary embodiments provide a packing leak detection system for leaks or discharge of a volatile material which discharge into the environment is subject to regulation. The system contains a compressor apparatus including a compressor cylinder, a compressor piston, a compressor piston rod positioned in a packing case, wherein a volatile material being compressed by the compressor apparatus leaks from the packing case. Also provided is a leak detector sized and configured to detect and monitor leaks of the volatile material from the packing case, as well as an apparatus for capturing and collecting volatile material which may leak from said leak detector. Methods of assessing leaks of a volatile material subject to environmental regulation are also provided.
Owner:M SQUARED PROD & SERVICES
Lubricating coating composition suitable for tubular threaded joints
InactiveUS20090264326A1Promote degradationWithout any concern for environmental pollutionDrilling rodsOrganic compound preparationEnvironmental regulationCarboxylic salt
A tubular threaded joint for connecting tubing or casing used to excavate oil wells have a lubricating coating formed from a lubricating coating composition comprising one or more basic lubricants selected from a basic sulfonate salt, a basic salicylate salt, a basic phenate salt, and a basic carboxylate salt and having biodegradability value (BOD) of at least 20% when measured after 28 days in seawater. The joint can be used without application of a compound grease containing heavy metals even in a country or region having severe environmental regulations.
Owner:VALLOUREC OIL & GAS FRANCE SAS +1
Lubricating coating composition suitable for tubular threaded joints
InactiveCN101535458APromote degradationDrilling rodsAdditivesEnvironmental regulationCarboxylic salt
A tubular threaded joint for connecting tubing or casing used to excavate oil wells have a lubricating coating formed from a lubricating coating composition comprising one or more basic lubricants selected from a basic sulfonate salt, a basic salicylate salt, a basic phenate salt, and a basic carboxylate salt and having biodegradability value (BOD) of at least 20% when measured after 28 days in seawater. The joint can be used without application of a compound grease containing heavy metals even in a country or region having severe environmental regulations.
Owner:NIPPON STEEL CORP +1
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