Melting point 151-154 C(lit.)
Boiling point 265 C100 mm Hg(lit.)
Density 1,36 g/cm3
vapor density 5 (vs air)
vapor pressure 1 mm Hg ( 159.5 C)
refractive index 1.4880
FEMA 2011 | ADIPIC ACID
Flash point 385 F
storage temp. Store below +30C.
solubility methanol: 0.1 g/mL, clear, colorless
pka 4.43(at 25)
form Solid
color White
Odor wh. monoclinic prisms, pract. odorless
PH 3.74(1 mM solution);3.22(10 mM solution);2.71(100 mM solution);
Water Solubility 1.44 g/100 mL (15 C)
Merck 14,162
JECFA Number 623
BRN 1209788
Exposure limits ACGIH: TWA 5 mg/m3
Stability Stable. Substances to be avoided include ammonia, strong oxidizing agents.
InChIKey WNLRTRBMVRJNCN-UHFFFAOYSA-N
LogP 0.09 at 25â??
FDA 21 CFR 184.1009; 582.1009; 175.300; 175.320; 177.1680
Substances Added to Food (formerly EAFUS) ADIPIC ACID
SCOGS (Select Committee on GRAS Substances) Adipic acid
CAS DataBase Reference 124-04-9(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 76A0JE0FKJ
NIST Chemistry Reference Hexanedioic acid(124-04-9)
EPA Substance Registry System Adipic acid (124-04-9)
Activated alumina is a versatile material with a wide range of applications. Here are some additional details:
## Production Process
1. Bauxite mining: Activated alumina is typically produced from bauxite, a type of rock that contains aluminum hydroxide.
2. Refining: The bauxite is refined to produce alumina (Al2O3).
3. Activation: The alumina is then activated through a process of heating and treating to increase its surface area and adsorption capacity.
## Properties
1. Surface area: Activated alumina has a high surface area, typically ranging from 200-400 m2/g.
2. Pore size: The pore size of activated alumina can vary depending on the application.
3. Chemical stability: Activated alumina is chemically stable and resistant to corrosion.
4. Thermal stability: Activated alumina is thermally stable and can withstand high temperatures.
## Applications
1. Air purification: Activated alumina is used in air purification systems to remove impurities and contaminants.
2. Water treatment: Activated alumina is used in water treatment systems to remove impurities and contaminants.
3. Gas separation: Activated alumina is used in gas separation applications, including the separation of oxygen and nitrogen.
4. Catalysis: Activated alumina is used as a catalyst or catalyst support in various chemical reactions.
## Benefits
1. High efficiency: Activated alumina is highly efficient in removing impurities and contaminants.
2. Long lifespan: Activated alumina has a long lifespan and can be reused multiple times.
3. Low maintenance: Activated alumina requires low maintenance and can be easily cleaned and regenerated.
4. Cost-effective: Activated alumina is a cost-effective solution for various applications.
## Industries
1. Chemical industry: Activated alumina is used in the chemical industry for various applications, including catalysis and adsorption.
2. Petroleum industry: Activated alumina is used in the petroleum industry for various applications, including gas separation and drying.
3. Pharmaceutical industry: Activated alumina is used in the pharmaceutical industry for various applications, including purification and filtration.
4. Water treatment industry: Activated alumina is used in the water treatment industry for various applications, including adsorption and filtration.
DBNPA is widely used in industrial circulating water systems, large air-condition, and large centers of sewage treatment to eliminate microorganisms and algae and shuck off clay. DBNPA is also used in the process of paper making to prevent reducing the quality of paper by the generation of microorganisms. DBNPA is suitable for metal cutting of cooling liquor, recovery system of oil, latex, and ply-woods as anti-spy biocides. DBNPA has the following advantages: easy to handle; no unusual oxidation hazards; similar performance and safety in paper and oilfield applications; used for slime control in the wet-end of the paper mill and performs exceptionally well against slime-forming bacteria. DBNPA has exhibited outstanding efficiency against bio-films and a broad spectrum of bacteria, fungi, and yeasts.
Additionally, DBNPA series products are used in the short-term preservation of coatings and coating additives such as latex, starch, and mineral slurries. DBNPA is a fast-acting/quick-kill biocide that is broad-spectrum and does not contain or release formaldehyde.
Name: Triethanolamine
CAS: 102-71-6
Chemical formula: C6H15NO3
Appearance: colorless liquid
Triethanolamine is a colorless oily liquid with mild odor, easy to absorb water, exposed to air and turning brown under light. At low temperatures, it becomes a colorless or light yellow cubic crystal system.
Application:
1. As a compliant lubricant, it can eliminate friction between metals and help improve the viscosity and solubility of lubricating oil.
2. As a surfactant, it is often used in household cleaning and personal care products such as detergents, cleaners, softeners, etc.
3. As a preservative, stabilizer, and co solvent, it can be used in cosmetics, and food processing.
4. As an oil in water emulsifier, it can be used to prepare various skin lotion and cosmetics.
Lithium hydroxide can be used as developing agent and lubricating oil for spectral analysis The additive of alkaline battery electrolyte can increase the electric capacity by 12 to 15 and increase the service life by 2 to 3 times
It can be used as an absorbent for carbon dioxide and can purify the air in submarines
The chemical equation is 2LiOHsCO2gLi2CO3sH2Ol
It is used to make lithium salt and lithiumbased grease electrolyte of alkaline battery absorption liquid of lithium bromide refrigerator etc used in petroleum chemical industry light industry nuclear industry etc When used in alkaline batteries the aluminum content is not more than 006 and the lead content is not more than 001 It is used as an analytical reagent a photographic developer and also in the manufacture of lithium it is used as a raw material for the preparation of lithium compounds It can also be used in metallurgy petroleum glass ceramics and other industries
Lithium hydroxide is mainly consumed for the production of lithium greases A popular lithium grease is lithium stearate which is a generalpurpose lubricating grease due to its high resistance to water and usefulness at both high and low temperatures
Carbon dioxide scrubbing
Lithium hydroxide is used in breathing gas purification systems for spacecraft submarines and rebreathers to remove carbon dioxide from exhaled gas by producing lithium carbonate and water
It is used as a heat transfer medium and as a storagebattery electrolyte It is also used in ceramics and some Portland cement formulations Lithium hydroxide isotopically enriched in lithium7 is used to alkalize the reactor coolant in pressurized water reactors for corrosion control
Pipeline centrifugal pumps are general-purpose equipment for conveying clear water and liquids with similar physical and chemical properties, widely used in industrial and urban water supply and drainage, high-rise building pressure boosting, fire-fighting systems, HVAC circulation and other fields [2]. According to the installation form can be divided into vertical and horizontal, according to the impeller structure is divided into closed, open and semi-open [1], the adaptable medium temperature range -20 â?? to 240 â?? [3], typical models include ISG, ISW, IRG, etc. [2] [4].
The equipment consists of impeller, pump body, sealing ring and other core components, the impeller rotates to generate centrifugal force to achieve liquid transport, the pump body plays a supporting role, and the sealing system to protect the operating vacuum. It adopts modular piping design, equipped with high-efficiency hydraulic model, supports electric drive and direct connection structure, featuring low noise, small footprint and easy maintenance. Installation requires precise calculation of suction height and ensuring pipeline sealing, and the performance curve reflects the relationship between flow rate, head and power [4]. Common faults such as air binding can be solved by filling water and exhausting air, and the bearings and sealing parts need to be overhauled regularly [2].
Diaphragm pumps are designed to protect columns and cylinders by separating the liquid being pumped from the columns and cylinders with the aid of a membrane. The left side of the diaphragm in contact with the liquid are made of corrosion-resistant materials or coated with a layer of corrosion-resistant substances; the right side of the diaphragm is filled with water or oil.
Diaphragm pumps, also known as control pumps, is the main type of actuator, by accepting the control signal output from the regulator control unit, with the help of power operation to change the fluid flow. Diaphragm pump in the control process is to accept the regulator or computer control signals, change the flow of the regulated medium, so that the regulated parameters are maintained in the required range, so as to achieve the automation of the production process. If the automatic adjustment system compared with the artificial adjustment process, the detection unit is the human eye, regulation and control unit is the human brain, then the implementation of the unit - diaphragm pump is the human hand and foot. To achieve the process of a parameter such as temperature, pressure, flow, level and other regulatory control, are inseparable from the diaphragm pump.
Air operated diaphragm pumps are commonly used in five materials: plastic, aluminium alloy, cast iron, stainless steel, Teflon. Electric diaphragm pumps have four materials: plastic, aluminium alloy, cast iron, stainless steel. Diaphragm pump diaphragm according to different liquid media were used nitrile rubber, neoprene, fluorine rubber, PTFE, PTFE, etc. placed in a variety of special occasions, used to pump a variety of media to meet the needs. [2].
