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Acid coking wastewater

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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Acid coking wastewater
Wastewater & Effluent Treatment | B&V Chemicals
Wastewater & Effluent Treatment | B&V Chemicals

Hydrogen peroxide is used to reduce the BOD and ,COD, of industrial wastewaters and for the pre-,treatment, of waters that contain some contaminants that are toxic, inhibitory, or recalcitrant to biological ,treatment, (e.g., pesticides, plasticizers, resins, coolants, and dyestuffs) BV19: 9% Hydrochloric ,acid

[Treatment of high-concentration butyl-acrylate-production ...
[Treatment of high-concentration butyl-acrylate-production ...

When the influent ,COD, concentration was increased to 9550-11,800 mg/L(acrylic ,acid, of 6244 mg/L and p-toluenesulfonic ,acid, of 1000 mg/L), the effluent ,COD, was 271-360 mg/L, which satisfied the demand of Class III in Chinese Integrated ,Wastewater, Discharge Standard (GB 8978-1996) at ,COD, loading rates of 7.96-9.83 kg/(m3 x d).

Performance Evaluation of Brewery Biological Wastewater ...
Performance Evaluation of Brewery Biological Wastewater ...

Biological ,treatment, method like anaerobic and aerobic ,treatment, results in removal of high ,COD, and BOD present in ,wastewater, [4,3]. ,Wastewater, from brewery doesn’t contain adequate quantity of nitrogen required for biological oxidation due to which external nitrogen nutrients are required to be added into the aeration basins [11].

Hexavalent Chromium Wastewater Treatment - Industrial Wastes
Hexavalent Chromium Wastewater Treatment - Industrial Wastes

6/1/2021, · Conventional treatment of hexavalent chromium wastewaters involves the reduction of hexavalent chromium to trivalent chromium and subsequent precipitation of trivalent chromium as, hydroxide,. Hexavalent chromium reduction is commonly accomplished using chemical reduction. Hexavalent chromium is reduced to trivalent chromium at acid pH using chemical reduction agents. …

Semiconductor wastewater treatment-Wastewater treatment
Semiconductor wastewater treatment-Wastewater treatment

Ammonia Reduction, Toxic ,wastewater treatment, Project Background Wuhan Tianma Electronic Co., Ltd 1) TianMa is LCD manufacturer, ,Wastewater, source from cleaning and etching process, most of contamination are HF , CeO2, ,COD,, NH3, ,acid,, Flow rate: 190 m3/ h

Wastewater Treatment Fact Sheet: External Carbon Sources ...
Wastewater Treatment Fact Sheet: External Carbon Sources ...

----- ,COD, mg/L Bulk Density Ibs/gal. Yield gCOD/g ,COD, Total ,COD,/ N Total dose gal substrate/ IbNOSN Methanol 1,200,000 6,6 0.41 4.82 0.48 Ethanol 1,650,000 6.6 0.55 6.36 0.46 MicroCg™ MicroCglycerin™ 670,000 10.2 0.6 6.45 1.15 1,016,000 9.92 0.55 6.36 0.77 56% Acetic ,Acid, 577,000 9.09 0.53 6.09 1.19 30% Sodium Acetate 222,480 9.8 0.53 6.09 3.09 Table 1: Product Characterization for Some ...

Common Problems with Biological Wastewater Treatment ...
Common Problems with Biological Wastewater Treatment ...

If not, you will likely need to consider strategies to increase your ,treatment, capacity, such as through implementing recovery and reuse technologies to reduce ,wastewater, volumes, augmenting your existing aerobic ,treatment, systems with additional aeration equipment, or adding an equalization step (e.g., an EQ tank, a holding pond or lagoon) to normalize your waste stream ahead of biological ...

BOD and COD Removal Using Hydrogen Peroxide H2O2 | USP ...
BOD and COD Removal Using Hydrogen Peroxide H2O2 | USP ...

Hydrogen peroxide (H2O2) has been used to reduce the BOD and ,COD, of industrial wastewaters for many years. While the cost of removing BOD and ,COD, through chemical oxidation with hydrogen peroxide is typically greater than that through physical or biological means, there are nonetheless specific situations which justify the use of hydrogen peroxide.

Wastewater Treatment Fact Sheet: External Carbon Sources ...
Wastewater Treatment Fact Sheet: External Carbon Sources ...

----- ,COD, mg/L Bulk Density Ibs/gal. Yield gCOD/g ,COD, Total ,COD,/ N Total dose gal substrate/ IbNOSN Methanol 1,200,000 6,6 0.41 4.82 0.48 Ethanol 1,650,000 6.6 0.55 6.36 0.46 MicroCg™ MicroCglycerin™ 670,000 10.2 0.6 6.45 1.15 1,016,000 9.92 0.55 6.36 0.77 56% Acetic ,Acid, 577,000 9.09 0.53 6.09 1.19 30% Sodium Acetate 222,480 9.8 0.53 6.09 3.09 Table 1: Product Characterization for Some ...

Converting Chemical Oxygen Demand (COD) of Cellulosic ...
Converting Chemical Oxygen Demand (COD) of Cellulosic ...

27/1/2017, · ,Wastewater, streams from different fermentation processes had been tried, including glutamic ,acid, fermentation ,wastewater, , municipal ,wastewater, , and distillery ,wastewater, . Of the ,COD, in ethanol fermentation ,wastewater, from sweet potato, 72.3% was reduced by oleaginous yeast Rhodosporidium toruloides Y2 with 1.33 g/L of lipid formation [ 13 ].

Case study: How to purify Hexavalent Chrome Wastewater ...
Case study: How to purify Hexavalent Chrome Wastewater ...

Engineers from PC GlobeCore have investigated the effectiveness of AVS usage in following versions: I – sterilization of chromium-containing wastewater by reduction, hexavalent chromium, to tri,valent chromium,, II – combined neutralization of chromium-containing and acid-base wastewater with simultaneous purification from heavy metals ions.

Refined soybean oil wastewater treatment and its ...
Refined soybean oil wastewater treatment and its ...

1/11/2018, · Thus, substrate metabolism was studied by analyzing the changing trends in the ,COD, and oil, glucose, and fatty ,acid, contents during ,wastewater treatment,. As shown in Fig. 1 a, the ,COD, and oil content decreased rapidly from 0 to 24 h, and then the degradation rate gradually decreased to …

TREATMENT OF LOW COD WASTEWATER FROM …
TREATMENT OF LOW COD WASTEWATER FROM …

95%, respectively). However, there was little reduction of ,chemical oxygen demand, (,COD,) (55%). The coagulant provided excellent flocculation in basic pH, while in ,acid, pH flakes were formed small, but with excellent reduction of color and turbidity. At pH 6.5, some of the flakes do not sedimented, remaining aggregate at the liquid surface.

Biological Treatment of Petrochemical Wastewater | IntechOpen
Biological Treatment of Petrochemical Wastewater | IntechOpen

9/4/2018, · Coagulation-flocculation for specific petrochemical ,wastewater treatment,, such as purified terephthalic ,acid, (PTA) production ,wastewater,; the ,wastewater, contains aromatic compounds such as p-toluic ,acid,, benzoic ,acid,, 4-carboxybenzaldehyde, phthalic ,acid, (PA), and terephthalic ,acid, (TA), etc. Ferric chloride is found to be the most effective coagulant with ,COD, removal efficiency at 75.5% at ...

Semiconductor wastewater treatment-Wastewater treatment
Semiconductor wastewater treatment-Wastewater treatment

Ammonia Reduction, Toxic ,wastewater treatment, Project Background Wuhan Tianma Electronic Co., Ltd 1) TianMa is LCD manufacturer, ,Wastewater, source from cleaning and etching process, most of contamination are HF , CeO2, ,COD,, NH3, ,acid,, Flow rate: 190 m3/ h

Common Problems with Biological Wastewater Treatment ...
Common Problems with Biological Wastewater Treatment ...

If not, you will likely need to consider strategies to increase your ,treatment, capacity, such as through implementing recovery and reuse technologies to reduce ,wastewater, volumes, augmenting your existing aerobic ,treatment, systems with additional aeration equipment, or adding an equalization step (e.g., an EQ tank, a holding pond or lagoon) to normalize your waste stream ahead of biological ...

COD Reduction Wastewater Treatment | Beckart Environmental
COD Reduction Wastewater Treatment | Beckart Environmental

COD, Reduction and Other ,Wastewater Treatment, Solutions from Manufacturer ,Beckart Environmental,. ,COD, reduction is one of the most common challenges faced by any facility that needs to comply with ,wastewater treatment, regulations, and if it isn’t properly addressed it can result in non-compliance fines. Fortunately, ,Beckart Environmental, is here to help.

Understanding Laboratory Wastewater Tests: I. ORGANICS ...
Understanding Laboratory Wastewater Tests: I. ORGANICS ...

14/10/2010, · The ,COD, test uses a chemical (potassium dichromate in a 50% sulfuric ,acid, solution) that “oxidizes” both organic (predominate) and inorganic substances in a ,wastewater, sample, which results in a higher ,COD, concentration than BOD concentration for the same ,wastewater, sample since only organic compounds are consumed during BOD testing.

Wastewater & Effluent Treatment | B&V Chemicals
Wastewater & Effluent Treatment | B&V Chemicals

Hydrogen peroxide is used to reduce the BOD and ,COD, of industrial wastewaters and for the pre-,treatment, of waters that contain some contaminants that are toxic, inhibitory, or recalcitrant to biological ,treatment, (e.g., pesticides, plasticizers, resins, coolants, and dyestuffs) BV19: 9% Hydrochloric ,acid

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