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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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oil and gas separator manufacturers
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE …
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE …

The Coats Vietnam wastewater treatment plant treats the wastewater originating from it’s polyester dyeing (disperse dyes - 70%) and nylon dyeing (acid, dyes, - 30%) processes. Additional wastewater originates from the cotton towel dyeing using vat/ reactive dyes. The two main chemicals for disperse dyeing are a buffer and a levelling agent.

Public Information -- 40 CFR Part 2
Public Information -- 40 CFR Part 2

Final Rule ,No, 1985-08-21 Yes 1985-08-23 Consistent w/,no, change 1985-09-25 2060 Unknown Revisions to 40 CFR Part 60, Appendix A, to Add Quality Assurance and Quality Control Procedures to Methods 5A, 5D, 6A, 6B, and 20

METHODS FOR WASTE WATERS TREATMENT IN TEXTILE …
METHODS FOR WASTE WATERS TREATMENT IN TEXTILE …

wastewater, in the textile factory is that it provides partial or full re-use of water. Produced ,waste water, has to be cleaned from, fat, oil, color and other chemicals, which are used during the several production steps. Figure 2. Various methods for the treatment of ,wastewater, from textile plants The treatment processes may be categorized

Alkalinity in Water
Alkalinity in Water

Volatile ,acidity, refers to the volatile fatty acids that are in ,waste water,. Volatile ,acidity, indicates that there is biological activity from anaerobic waste digestion. Alkalinity must be monitored in tandem with volatile ,acidity, for digestion of the waste to be complete. This digestion (breakdown) of the waste is done in the waste digester.

Sodium hypochlorite - Wikipedia
Sodium hypochlorite - Wikipedia

Sodium hypochlorite is a chemical compound with the formula NaOCl or NaClO, comprising a sodium cation and a hypochlorite anion. It may also be viewed as the sodium salt of hypochlorous acid. The anhydrous compound is unstable and may decompose explosively. It can be crystallized as a pentahydrate NaOCl·5H 2O, a pale greenish-yellow solid which is not explosive and is stable if kept …

Henrik Rasmus Andersen – Professor MSO – DTU - Technical ...
Henrik Rasmus Andersen – Professor MSO – DTU - Technical ...

Both peracetic ,acid treatment, and UV-C radiation show potential for disinfection of the ,wastewater, after removal of solids >60μm. E-coli was most susceptible to peracetic ,acid treatment,, while a maximum possible reduction of enterococci and coliforms of 2-3 size orders was observed.

Enhancement of the bleaching and degradation of textile ...
Enhancement of the bleaching and degradation of textile ...

30/5/2009, · pH values decreased from 4.9 to 0.93 for wastewater (1) and from 8.1 to 2.7 for the wastewater (2) after 180 min of GAD treatment. For the GA D Ti O 2 treatment, the pH decrease is more significant. After 60 min, it reached 0.80 for wastewater (1) and 1.5 for wastewater (2).

Alkalinity in Water
Alkalinity in Water

Volatile acidity refers to the volatile fatty acids that are in waste water. Volatile acidity indicates that there is biological activity from anaerobic waste digestion. Alkalinity must be monitored in tandem with volatile acidity for digestion of the waste to be complete. This digestion (breakdown) of the …

DETERMINATION OF WATER ACIDITY ALKALINITY AND …
DETERMINATION OF WATER ACIDITY ALKALINITY AND …

11/2/2021, · ,Acidity, is a measure of the capacity of water to neutralize bases. ,Acidity, is the sum of all acids present in the water sample that can be neutralized by added base. Strong mineral acids such as nitric acid, sulphuric acids, weak acids such as carbonic acids, acetic acid…present in the water sample contributes to ,acidity, of the water.

Textile dye wastewater characteristics and constituents of ...
Textile dye wastewater characteristics and constituents of ...

wastewater,(Sivakumar2014).Itisestimatedthatapproxi-mately200lofwaterareappliedintheproductionof1kg oftextilematerial.Thisamountofwaterisrequiredwhen chemicalsareappliedonthefabricsandduringtherinsing processofthenalproducts(Ghalyetal.2014).So,treat-mentandrecyclingofthetextileeuentsarerecommended. Thissectionsurveysthemethodsappliedtotreattheactual

Clean bleaching engineering practice for bagasse pulp ...
Clean bleaching engineering practice for bagasse pulp ...

Both in the (OP)Q(PO) and (OP)D(EOP) ,bleaching, process, the reuse of the washing ,wastewater, from Q (or D) stage is limited because of ,acidity,. About 50% of the washing liquid from Q (or D) stage was discharged into ,wastewater, treatment system, and Q (or D) stage was the only emission point of the middle stage ,wastewater, in the whole ,bleaching, process.

WIPO - World Intellectual Property Organization
WIPO - World Intellectual Property Organization

29663. 6347 4764 570 1804 35. 3018 2121 215 979 16. 0.4755002363321254 0.44521410579345089 0.37719298245614036 0.54268292682926833 0.45714285714285713. 29663 22698

Characterization of Beauty Salon Wastewater from Kwame ...
Characterization of Beauty Salon Wastewater from Kwame ...

Acidity, levels in the ,wastewater, varied from 1.69 ± 0.26 to 1.70 ± 0.26 mg/L. TDS showed a highly significant difference ( P < 0.05) with an LSD value of 32.86. The highest and lowest TDS were measured at Ayigya and Bomso with values of 1384.00 ± 242.00 and 861.00 ± 216.00 mg L -1 , respectively.

40 CFR Ch. I (7-1-11 Edition) Environmental Protection ...
40 CFR Ch. I (7-1-11 Edition) Environmental Protection ...

Chapter I—Environmental Protection Agency appears in all thirty-three volumes. Regulations issued by the Council on Environmental Quality, including an Index to Parts 1500 through 1508, appear in the volume ,containing, part 1000 to end. The OMB control numbers for title 40 appear in § 9.1 of this chapter.

Textile Dyeing Wastewater Treatment - IntechOpen
Textile Dyeing Wastewater Treatment - IntechOpen

The chroma is one pollutant of the ,wastewater, which causes a lot of concerns. In the dyeing process, the average dyeing rate is more than 90%. It means that the residual dyeing rate in finishing ,wastewater, is about 10%, which is the main reason of contamination. According to

(PDF) Color removal from kraft pulp bleaching wastewater ...
(PDF) Color removal from kraft pulp bleaching wastewater ...

Advanced oxidation of ECF (elemental chlorine free) ,bleaching wastewater, (D 1 and E stage of DED and ODED sequences) using TiO 2 photocatalysis has been investigated for environmental load reduction.

WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE …
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE …

The ,wastewater, treatment plant at Coats Vietnam will treat the ,wastewater, originating from it’s polyester dyeing (disperse dyes - 70%) and nylon dyeing (acid dyes - 30%). Additional ,wastewater, originates from the cotton towel dyeing using vat/reactive

Sodium hypochlorite - Wikipedia
Sodium hypochlorite - Wikipedia

Sodium hypochlorite (commonly known in a dilute solution as bleach) is a chemical compound with the formula NaOCl or NaClO, comprising a sodium cation (Na +) and a hypochlorite anion (OCl − or ClO −It may also be viewed as the sodium salt of hypochlorous ,acid,.The anhydrous compound is unstable and may decompose explosively. It can be crystallized as a pentahydrate NaOCl ·5 H

Activated bleaching earth applications
Activated bleaching earth applications

There are several features of activated ,bleaching, earth. For one, activated ,bleaching, earth contains the ability to remove colors. in addition, activated ,bleaching, earth also has very good absorption abilities and it also has low free acid. These are features that make activated ,bleaching, …

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