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deep well drilling residue harmless disposal technology inc llc

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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deep well drilling residue harmless disposal technology inc llc
EP0618176A1 - Process for color reduction of dye ...
EP0618176A1 - Process for color reduction of dye ...

A highly colored dye wastewater is treated by a sequence of steps to obtain a color reduction of 90 percent or more. The method requires acidifying the wastewater and adding a cationic flocculant....

Low TDS Acid Mine Drainage Wastewater Treatment
Low TDS Acid Mine Drainage Wastewater Treatment

The eye-catching ,color of acid, mine drainage makes it a frequent target for media and environmental organizations. It's often considered to be an unsolvable problem, a misconception that proactive operations can counter by installing treatment solutions such as those outlined here. Want to learn more about equipment options for this process?

1b common terms - TREEO Center
1b common terms - TREEO Center

HELPFUL ,WASTEWATER, TREATMENT TERMS ,ACID,: (1) A substance that tends to lose a proton. (2) A substance that dissolves in water with the formation of hydrogen ions. ... compared with “,color, standards” using, or corresponding with, known concentrations of the chemical.

Recommended Treatment Plant Pipe Identification Color Coding
Recommended Treatment Plant Pipe Identification Color Coding

Sulfuric ,Acid, : Yellow w/ red band: Sulfur Dioxide: Light green w/ yellow band: Waste Lines: Backwash waste: Light Brown: Sludge: Dark Brown: Sewer (sanitary or other) Dark Gray : Other Lines: Compressed Air: Dark Green: Gas: Red: Other Pipes: Light Gray

Pre-treatment of acetic acid from food processing ...
Pre-treatment of acetic acid from food processing ...

that the color is yellow-brown and unpleasant smell, which ,wastewater, comes from the process of pickling, acetic ,acid, is added to the salt solution (NaCl) to make the pickling brine.

(PDF) Biological treatment of acid dyeing wastewater using ...
(PDF) Biological treatment of acid dyeing wastewater using ...

Variation of TAA in UASB/CSTR sequential system wastewater from a dye manufacturing factory with a COD con- centration of 1200 mg dm−3 and a color of, 500 degree, (dilution The acid dyeing wastewater contains TAAs released through factor) in a UASB reactor (4.5 l) and an activated sludge tank the cleavage of azo dyes under anaerobic conditions.

Biological treatment of acid dyeing wastewater using a ...
Biological treatment of acid dyeing wastewater using a ...

2/5/2006, · Horning reported that wool-acid dyeing, wastewaters, contained an average color load of 3200 ADMI (American Dye Manufacturers Institute Unit), a total organic carbon (TOC) of 210 mg dm −3, a suspended solid (SS) of 9 mg dm −3 and a pH of 4 through different dyeing processes.

Reduction of COD and Color of Acid and Reactive Dyestuff ...
Reduction of COD and Color of Acid and Reactive Dyestuff ...

The COD of, acid dyestuff, wastewater was reduced from 3,240 mg/L to 1,520mg/L after ozone bubbling treatment for 2 hr. The COD of reactive dyestuff waste-water was reduced from 2,560mg/L to 1,120 mg/L at the same con-dition. When the pH was changed to 7.0, the COD of acid dyestuff wastewater was reduced to 710mg/L and that of reactive dyestuff wastewater was reduced to 986 mg/L.

WATER TREATMENT PLANT COLOR CODING
WATER TREATMENT PLANT COLOR CODING

Sulfuric Acid Yellow w/ red band Sulfur Dioxide Light green w/ yellow band Waste Lines: Backwash waste Light Brown Sludge Dark Brown Sewer (sanitary or other) Dark Gray Other Lines: Compressed Air Dark Green Gas Red Other Pipes Light Gray Wastewater Treatment Plant Color Coding TYPE OF PIPE USE OF PIPE COLOR OF PIPE

Recommended Treatment Plant Pipe Identification Color Coding
Recommended Treatment Plant Pipe Identification Color Coding

Sulfuric ,Acid, : Yellow w/ red band: Sulfur Dioxide: Light green w/ yellow band: Waste Lines: Backwash waste: Light Brown: Sludge: Dark Brown: Sewer (sanitary or other) Dark Gray : Other Lines: Compressed Air: Dark Green: Gas: Red: Other Pipes: Light Gray

Reduction of COD and color of acid and reactive dyestuff ...
Reduction of COD and color of acid and reactive dyestuff ...

1/3/2004, · Wastewaters obtained from bromamine ,acid, dye and reactive dye manufacturing were treated by ozone bubbling in a cylindrical batch reactor for the purpose of reducing COD to below 150 mg/L, which is the environmental discharge standard of the Republic of Korea. Remarkable COD reduction and decolorization were observed at pH over 11.

Treatment of acid rose dye containing wastewater by ...
Treatment of acid rose dye containing wastewater by ...

1/1/2007, · So when a dyeing process mainly used acid rose dye, the wastewater was refractory. At present, the most common treatment for this kind of wastewater is using chloros to de-color via oxidation, but chloros oxidation reduces chemical oxygen demand (COD) only slightly.

Pre-treatment of acetic acid from food processing ...
Pre-treatment of acetic acid from food processing ...

that the color is yellow-brown and unpleasant smell, which wastewater comes from the process of pickling, acetic acid is added to the salt solution (NaCl) to make the pickling brine.

Removal of Dyes from Textile Industrial Wastewater using ...
Removal of Dyes from Textile Industrial Wastewater using ...

Table 2 Results for Sample B (,Wastewater of Acid, Dye Solution) Samples Original IB IIB IIIB IVB Parameters (B) BOD (mg/l) 80 68.5 40.24 35.14 29.05 COD (mg/l) 485 398.6 275.6 280 240.58 DO (ppm) 6.9 7.52 8 6.4 9.56 Free Chlorine content 2.98 2.25 1.65 1.47 1.5

Reduction of COD and color of acid and reactive dyestuff ...
Reduction of COD and color of acid and reactive dyestuff ...

At pH of 11, the COD of acid dyestuff, wastewater, was reduced to 95 mg L −1 after 90 min, and the COD of reactive dyestuff, wastewater, was reduced to 120 mg L −1 after 120 min [31]. ...

How peracetic acid is changing wastewater treatment
How peracetic acid is changing wastewater treatment

Most peracetic ,acid, is sold in 15 or 22% concentrations and used at 1–2 ppm in ,wastewater,. Sources: Domenico Santoro, Kati Bell, Alberto Garibi, Jacquelyn Wilson, Lenntech, Tom Warmuth.

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