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Acid wastewater from aluminum electrolysis

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 wastewater from aluminum electrolysis
REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS …
REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS …

wastewaters ranged from 88% in Domestic ,wastewater, to 93% in Agricultural ,wastewater, at agitation speed of 200 rpm after 96 hours only. INTRODUCTION Biological ,wastewater, treatment, in its simplest form, is the conversion of biodegradable waste products from municipal or ,industrial, sources by biological methods.

Iranica Journal of Energy & Environment
Iranica Journal of Energy & Environment

hoof was subjected to ,acid, and alkaline modifications using the methods described by Marshall [16] to obtain the citric ,acid, modified sample and Li et al. [17] to obtained both HCH and SCH. A stock solution ,containing, 1000 mgL-1 of ,Cr, (VI) was prepared by weighing 2.82 g of analytical grade K 2 ,Cr 2 O, 7 into a 1 L standard flask.

METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)
METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)

2O, 7 (analytical reagent grade), in reagent water and dilute to 1 liter (1 mL = 50 ug ,Cr,). 5.3 Potassium dichromate standard solution: Dilute 10.00 mL potassium dichromate stock solution to 100 mL (1 mL = 5 ug ,Cr,). 5.4 Sulfuric ,acid,, 10% (v/v): Dilute 10 mL of distilled reagent grade or spectrograde quality sulfuric ,acid,…

Iranica Journal of Energy & Environment
Iranica Journal of Energy & Environment

hoof was subjected to ,acid, and alkaline modifications using the methods described by Marshall [16] to obtain the citric ,acid, modified sample and Li et al. [17] to obtained both HCH and SCH. A stock solution ,containing, 1000 mgL-1 of ,Cr, (VI) was prepared by weighing 2.82 g of analytical grade K 2 ,Cr 2 O, 7 into a 1 L standard flask.

REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS BY …
REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS BY …

wastewaters ranged from 88% in Domestic ,wastewater, to 93% in Agricultural ,wastewater, at agitation speed of 200 rpm after 96 hours only. INTRODUCTION Biological ,wastewater, treatment, in its simplest form, is the conversion of biodegradable waste products from municipal or ,industrial, sources by biological methods.

13.phosphorus removal by chem ppt - SlideShare
13.phosphorus removal by chem ppt - SlideShare

When organic compounds ,containing, P are attacked by microorganisms, they also undergo hydrolysis into the orthophosphate forms. Typical municipal waste : 10 – 15 mg/L as P 30 % from human waste + 70 % from detergents (mostly in the form of polyphosphates) P being a nutrient, causes algal blooms (eutrophication) 106 CO2 + 16 NO3- + HPO4= + 18 H+ + 122 H2O C106H263O110N16P + 154 O2

Research news | emanos
Research news | emanos

Moreover, MOR-2 in its composite form with alginic ,acid, (HA) can be utilzed in ion exchange columns, which are highly efficient for removal of ,Cr,(VI) from aqueous solutions including ,industrial, waste samples and also can be regenerated and reused several times with minimal loss (<20%) of their capacity.

METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)
METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)

2O, 7 (analytical reagent grade), in reagent water and dilute to 1 liter (1 mL = 50 ug ,Cr,). 5.3 Potassium dichromate standard solution: Dilute 10.00 mL potassium dichromate stock solution to 100 mL (1 mL = 5 ug ,Cr,). 5.4 Sulfuric ,acid,, 10% (v/v): Dilute 10 mL of distilled reagent grade or spectrograde quality sulfuric ,acid,…

Integrated ozonation and biotreatment of bio-treated ...
Integrated ozonation and biotreatment of bio-treated ...

On the other hand, the COD ,Cr, amount removed from the BTPW at higher initial COD ,Cr, concentration was considerably more than that at lower initial COD ,Cr,. For initial COD ,Cr, values of 98.3, 189.2, 290.4, and 386.6 mg/L, the COD ,Cr, amounts removed from the BTPW by ozonation were 56.7, 107.0, 161.9, and 207.0 mg/L, respectively, after ozonation for 60 min.

Photochemical Treatments of Textile Industries Wastewater†
Photochemical Treatments of Textile Industries Wastewater†

industrial wastewater,. Wastewaters from textile industry contain various pollutants resulting from various stages of production, suc h as, fiber s pr epar ation, yarn, thr ead , web bing , dy eing and finishing. Mainly three methods are used for the treatment of textile ,industrial wastewater,. These are: 1)

Bioengineered Graphene Oxide Microcomposites Containing ...
Bioengineered Graphene Oxide Microcomposites Containing ...

Paracoccus sp. MKU1, a metabolically versatile bacterium that encompasses diverse metabolic pathways in its genome for the degradation of aromatic compounds, was investigated for catechol bioremediation here for the first time to our knowledge. Paracoccus sp. MKU1 degraded catechol at an optimal pH of 7.5 and a temperature of 37 °C, wherein 100 mg/L catechol was completely mineralized …

Photochemical Treatments of Textile Industries Wastewater†
Photochemical Treatments of Textile Industries Wastewater†

industrial wastewater,. Wastewaters from textile industry contain various pollutants resulting from various stages of production, suc h as, fiber s pr epar ation, yarn, thr ead , web bing , dy eing and finishing. Mainly three methods are used for the treatment of textile ,industrial wastewater,. These are: 1)

13.phosphorus removal by chem ppt - SlideShare
13.phosphorus removal by chem ppt - SlideShare

When organic compounds ,containing, P are attacked by microorganisms, they also undergo hydrolysis into the orthophosphate forms. Typical municipal waste : 10 – 15 mg/L as P 30 % from human waste + 70 % from detergents (mostly in the form of polyphosphates) P being a nutrient, causes algal blooms (eutrophication) 106 CO2 + 16 NO3- + HPO4= + 18 H+ + 122 H2O C106H263O110N16P + 154 O2

Bioengineered Graphene Oxide Microcomposites Containing ...
Bioengineered Graphene Oxide Microcomposites Containing ...

Paracoccus sp. MKU1, a metabolically versatile bacterium that encompasses diverse metabolic pathways in its genome for the degradation of aromatic compounds, was investigated for catechol bioremediation here for the first time to our knowledge. Paracoccus sp. MKU1 degraded catechol at an optimal pH of 7.5 and a temperature of 37 °C, wherein 100 mg/L catechol was completely mineralized in 96 h ...

Advanced oxidation of catechol in reverse osmosis ...
Advanced oxidation of catechol in reverse osmosis ...

containing, liquid waste) described by Vyrides and Stuckey (2009). In this analysis, the digestion mixture waspreparedbyaddingK 2Cr ,2O, 7,3g(whichwaspre-viously dried at 103 C for 2 h), to concentrated H 2SO 4, 167 mL and HgSO 4,33gandmadeupto500mLwith deionized water. The mixture was then left to cool at room temperature before being diluted to 1000 mL. The

Research news | emanos
Research news | emanos

Moreover, MOR-2 in its composite form with alginic ,acid, (HA) can be utilzed in ion exchange columns, which are highly efficient for removal of ,Cr,(VI) from aqueous solutions including ,industrial, waste samples and also can be regenerated and reused several …

(PDF) BIOTECHNOLOGY FOR WASTE AND WASTEWATER TREATMENT ...
(PDF) BIOTECHNOLOGY FOR WASTE AND WASTEWATER TREATMENT ...

BIOTECHNOLOGY FOR WASTE AND WASTEWATER TREATMENT,. Adel Mageed. Gary Bennett. Bruce Rittmann. Pubul Martín. Saeed Aghajani. John Evans. Adel Mageed. Gary Bennett. Bruce Rittmann. Pubul Martín. Saeed Aghajani. John Evans. Download PDF. Download Full PDF Package. This paper. A short summary of this paper.

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