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Design of packed distillation column for recovering 26% methanol from acid wastewater of a pharmaceutical factory in Xinyang City

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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Design of packed distillation column for recovering 26% methanol from acid wastewater of a pharmaceutical factory in Xinyang City
Capacitive deionization for wastewater treatment ...
Capacitive deionization for wastewater treatment ...

1/2/2020, · Physical analysis (XRD of the NMO electrode after cycling) and detection of manganese ions in the electrolyte after cycling, led to two possible capacity fading mechanism: hindered Na + ions diffusion to the insertion interface of the NMO electrode, as a cause of humic ,acid, adsorption to NMO surface, and reduction of available binding sites for Na + ions caused by facilitated manganese dissolution in the presence of humic ,acid, …

ALS | Laboratory testing inspection certification and ...
ALS | Laboratory testing inspection certification and ...

As one of the world's largest and most diverse analytical testing services providers, ,ALS, has the technical expertise capacity to handle your project. ,ALS, offers laboratory testing services for Life Sciences (Environmental testing, Food testing, Electronics testing, Animal Health testing, Consumer Products testing), Minerals (Geochemistry testing, Metallurgy testing, Mine Site testing ...

Separation and recovery of heavy metals from concentrated ...
Separation and recovery of heavy metals from concentrated ...

(2018). Separation and recovery of ,heavy metals from concentrated smelting wastewater by synergistic solvent extraction, using a mixture of 2-hydroxy-5-nonylacetophenone oxime and bis(2,4,4-trimethylpentyl) -phosphinic ,acid,. Solvent Extraction and Ion Exchange: Vol. 36, No. 2, pp. 175-190.

S Steel Co. Weak-acid Wastewater Treatment Plant
S Steel Co. Weak-acid Wastewater Treatment Plant

The plant was constructed to treat the ,wastewater, generated during the plating process. (Effluent standard) pH: 5.0 - 9.0 SS: 44.7 mg/L s-Fe: 1.0 mg/L n-Hex: 2.5 mg/L COD: 6.8 mg/L T-P: 0.1 mg/L T-N: 4.6 mg/L Discharge volume: 8,680 m³/day. Notes for ,wastewater, characteristics and treatment process

NACE SP0294 - Design Fabrication and Inspection of ...
NACE SP0294 - Design Fabrication and Inspection of ...

This standard provides recommended design, fabrication, and ,inspection, practices for maintaining the mechanical integrity of and minimizing the potential for the occurrence of undetected corrosion in concentrated fresh sulfuric ,acid, tanks, process sulfuric ,acid, tanks, or oleum storage tanks at atmospheric and low pressure.

NUS hostel residents to be swabbed after traces of Covid ...
NUS hostel residents to be swabbed after traces of Covid ...

SINGAPORE - Residents of a hostel block at the National University of Singapore will need to be swabbed after traces of Covid-19 were detected in its ,wastewater,. Staff and students were informed ...

S Steel Co. Weak-acid Wastewater Treatment Plant
S Steel Co. Weak-acid Wastewater Treatment Plant

The plant was constructed to treat the ,wastewater, generated during the plating process. (Effluent standard) pH: 5.0 - 9.0 SS: 44.7 mg/L s-Fe: 1.0 mg/L n-Hex: 2.5 mg/L COD: 6.8 mg/L T-P: 0.1 mg/L T-N: 4.6 mg/L Discharge volume: 8,680 m³/day. Notes for ,wastewater, characteristics and treatment process

Planning Designing Monitoring and Inspection of ...
Planning Designing Monitoring and Inspection of ...

The two, acids, commonly used are hydrochloric, acid, and sulfuric, acid. Wastewaters, include acidic rinse waters together with, waste acid., Although many plants operate, acid, recovery plants, (particularly those using Hydrochloric, acid),, where the mineral, acid, is boiled away from the iron salts, there remains a large volume of highly, acid

Pipeline Inspection (Water and Wastewater) Services
Pipeline Inspection (Water and Wastewater) Services

To, inspect, the, water, reservoirs we use an, inspection, system based on a ROV Inspector 150. This robot operates with sonar and a video camera. The robot can, inspect, a, water, reservoir in detail and report damage like corrosion, cracks, sediments, organic pollution etc. The, inspection, determines the need for cleaning and repairing.

Practical Approach to Selection Application & Inspection ...
Practical Approach to Selection Application & Inspection ...

The ,wastewater, industry has long relied on the many industry standards that have specified the use of so-called sulfate-resistant concretes, based upon ASTM Type II Portland cement. This reliance was based upon the mistaken belief that Type II cement resists ,acid, corrosion better than Type I cement, the

Hydrogen Sulfide Corrosion In Wastewater Collection And ...
Hydrogen Sulfide Corrosion In Wastewater Collection And ...

----- electrical components and computer equipment Hydrogen sulfide corrosion can also compromise structural integrity by corroding equipment (bar screens, conveyors, etc.), pipe and equipment supports, ,wastewater, and sludge storage tanks, and guard rails, walkways, and grating at the treatment plant 1.4 Mechanism of Hydrogen Sulfide Corrosion Hydrogen sulfide corrosion may result from two mechanisms: 1) ,acid, …

INDUSTRIAL USER INSPECTION CHECKLIST
INDUSTRIAL USER INSPECTION CHECKLIST

Examples: Zn sulfate sold to fertilizer mfg.; hydrochloric ,acid, pickle liquor for local POTW’s coagulation and phosphorous removal; spent sulfuric pickle liquor to formulate with ammonia for fertilizer; Al …

INDUSTRIAL USER INSPECTION CHECKLIST
INDUSTRIAL USER INSPECTION CHECKLIST

Examples: Zn sulfate sold to fertilizer mfg.; hydrochloric ,acid, pickle liquor for local POTW’s coagulation and phosphorous removal; spent sulfuric pickle liquor to formulate with ammonia for fertilizer; Al …

Wastewater Class B Certification Practice Quiz
Wastewater Class B Certification Practice Quiz

Wastewater Class B Certification Practice Quiz, . ... The chlorine residual is falling, and ,inspection, of the 150-lb. cylinder and chlorine feed equipment shows ice forming on the chlorine regulator and feed lines. The BEST method to ... A. 0.2% sulfuric ,acid, . B. 0.5% nitric ,acid, . C. Ice to 4°C . D. Ice the sample for no less than 6 hours ...

NACE SP0294 - Design Fabrication and Inspection of ...
NACE SP0294 - Design Fabrication and Inspection of ...

This standard provides recommended design, fabrication, and ,inspection, practices for maintaining the mechanical integrity of and minimizing the potential for the occurrence of undetected corrosion in concentrated fresh sulfuric ,acid, tanks, process sulfuric ,acid, tanks, or oleum storage tanks at atmospheric and low pressure.

Pipeline Inspection (Water and Wastewater) News
Pipeline Inspection (Water and Wastewater) News

The visual inspection technique not only detects the absence of material, cracks or extra elements, but goes much further. When you think about the use of a visual inspection camera within a system, the first purpose that comes to our minds is to detect a failure in the structure of the parts that are being evaluated, however this may be one of many purposes that may exist in the checklist of ...

Detection Control and Correction of Hydrogen Sulfide ...
Detection Control and Correction of Hydrogen Sulfide ...

Because the preliminary inspection involves measurement of certain parameters that are affected by wastewater temperature, it is recommended that the inspection be conducted during, summer months when hydrogen sulfide is most likely to be present The preliminary inspection generally involves the following elements: • Measurement of atmospheric H2S • Visual inspection • Measurement of …

Pipeline Inspection (Water and Wastewater) News
Pipeline Inspection (Water and Wastewater) News

The visual ,inspection, technique not only detects the absence of material, cracks or extra elements, but goes much further. When you think about the use of a visual ,inspection, camera within a system, the first purpose that comes to our minds is to detect a failure in the structure of the parts that are being evaluated, however this may be one of many purposes that may exist in the checklist of ...

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