Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.
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The water from separator is generally ,acidic, with pH range from 3.2 to 6.3. The suspended solids range from 240 to 400 mg/l. The BOD and COD of ,waste-water, vary from 225 to 60,000 mg/l and 240 to as high as 78,000 mg/l respectively. The phenolics are between 6 and 86 mg/l. The oil and grease is within a range of 14-25 mg/l. 3.
Alkaline wastewater, up to 20% and condensate ,wastewater, up to 40% concentration can be treated effectively in a batch scale activated sludge unit after the necessary phosphorus supplementation. The treated effluent in both the cases exhibits less than 100 mg/1 BOD. The BOD removal in both the cases is greater than 90%.
27/1/2021, · Cations and positively charged ions will go to negative pole electrode to create ,alkaline, water. Anions and negatively charged ions will go to the positive pole electrode to create ,acidic, water. The ionization process also separating the oxygen and hydrogen in water, resulting in both antioxidant-rich ,alkaline, (OH-) and ,acidic, (H+) streams.
The sampling technique is determined by the type of water or ,wastewater, to be sampled. This handbook primarily addresses the water and ,wastewater, types shown below and addresses in a limited way, sampling of oceans and estuaries.. 1. Municipal wastewaters 4. Agricultural run-off 2. …
In chemistry, ,pH, is a scale used to specify the acidity or basicity of an aqueous solution. ,Acidic, solutions are measured to have lower ,pH, values than basic or ,alkaline, solutions. The ,pH, scale is logarithmic and inversely indicates the concentration of hydrogen ions in the solution. This is because the formula used to calculate ,pH, approximates the negative of the base 10 logarithm of the molar concentration of hydrogen ions in the solution. More precisely, ,pH, …
1. Introduction. Skin plays a vital role in shaping our interactions with the world , , , .When encountering harsh environments, the human skin could be damaged to varying degrees from the corrosiveness due to strong ,acidic, or ,alkaline, environment to causing the skin to lose its temporary sensing ability , .Resistance to skin damage ensures the safety of outdoor workers during operation in ...
30/11/2017, · Further mechanical and chemical processes are used to enhance the overall quality and the pulping yield. Kraft pulping is usually carried out in the presence of ,alkaline, media such as sodium hydroxide and sodium sulfide. The sulfide process, an ,acidic, pulping process, is carried out in the presence of sulphurous acid and bisulfide ions.
Infrared technology uses heat and light to negatively charge hard water. As with ,alkaline, filters, the water treated with an infrared filter has a softer feel. ,Alkaline,/Water ionizers. Water passes over electrically charged plates, separating the ,alkaline, water from the ,acidic, water.
If you have a ,sand, filter, you can replace regular pool filter ,sand, with ZeoLite pool filter ,sand,, which has the ability to trap the very tiny particles of calcium carbonate. It does this not by filtering out the particles, but by ion exchange. Calcium and magnesium ions are exchanged for sodium ions in the zeolite ,sand, bed, with softens the water.
Increase alkalinityAlkalinity is useful in removing ,acidic,, fatty and oily soils. Therefore, detergents are more effective when they are ,alkaline,. Ammonium hydroxide Ethanolamines Sodium carbonate Sodium hydroxide Sodium silicate: Antimicrobial agents PC, L, D, HC: Kill or inhibit growth of microorganisms that cause diseases and/or odour: Pine oil
The results of soil washing and flushing experiments indicate that citric acid is highly effective in removing uranium, and that the extraction efficiency increases with increasing citric acid concentration, especially under slightly acidic to alkaline conditions in systems containing sand coated with secondary minerals (e.g., Fe).
1/11/2010, · 1.2. Composition of EPS. Carbohydrates and proteins are usually found to be the major components of EPS. Humic substances may also be a key component of the EPS in sludge in biological ,wastewater, treatment reactors, accounting for approximately 20% of the total amount (Frolund et al., 1995, Frolund et al., 1996).In addition, lipids, nucleic acids, uronic acids and some inorganic …
The treatment of wastewater and organic wastewater: this product showed a cationic in acidic or alkaline medium, so the suspended particles with negative charge of the sewage in the sewage flocculation, clarification is very effective, such as alcohol wastewater, brewery wastewater, monosodium glutamate wastewater, sugar wastewater, meat dish wastewater and beverage wastewater.
Hazardous waste is waste that poses a severe threat to human health or the environment if improperly disposed of. According to the EPA, a substance is a hazardous waste if it appears on specific lists of hazardous waste or exhibits the established characteristics of hazardous waste. Hazardous waste is regulated under the Resource Conservation and Recovery Act (RCRA).
Therefore, anionic polyacrylamide is mainly used for flocculation of slurry with positive charge. It has better treatment effect for ,wastewater, with neutral to ,alkaline, pH, such as iron making, aluminum processing, river ,sand washing, and electric sludge treatment, Anionic polyacrylamide is more suitable for ,wastewater, treatment.
6/3/2021, · The well water filtration system will purify the well water for your daily usage, whether is drinking, showering, and ,washing,. The Best Whole House Well Water Filtration System Setup I’m going to show you the ideal whole house water filtration system for well water, it’s a complete solution, and you are free to swap out the filters depending on your well water quality and usage.
Beneficial use, of weak alkali liquor as an ,alkaline, material to treat acid mine drainage ,wastewater,. WMGR081 (eLibrary) Processing by disassembling, mechanical processing (by sizing, shaping, separating and volume reduction only), and associated storage prior to reuse or recycling at the processing or transfer facility, of uncontaminated and source-separated electronic devices.
Screeners are used to separate solids from ,washing,, peeling, slicing, rinsing and packing ... This can be done by neutralization of ,acidic, or ,alkaline wastewater, until a suitable ... through which combustion air is introduced to the reactor, a reactor zone, containing a bed of ,sand, …
Sanitary ,wastewater, is found in lavatories, shower rooms, etc. Sanitary ,wastewater, is similar in composition to municipal ,wastewater, and is generally piped directly to sewage works ( 1, 6, 21 ). It can be used as nitrogen source for unbalanced dairy effluents before a secondary aerobic treatment ( 1, 12 ).
In chemistry, ,pH, (/ p iː ˈ eɪ tʃ /, denoting 'potential of hydrogen' or 'power of hydrogen') is a scale used to specify the acidity or basicity of an aqueous solution.,Acidic, solutions (solutions with higher concentrations of H + ions) are measured to have lower ,pH, values than basic or ,alkaline, solutions.. The ,pH, scale is logarithmic and inversely indicates the concentration of hydrogen ...