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Principle of acid wastewater treatment by dosing neutralization method

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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Principle of acid wastewater treatment by dosing neutralization method
Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · WHPCO process has been proposed for a variety of agro-food and industrial effluents: removal of dyestuffs from textile, ,treat, sewage sludge, purify ,wastewater, from pharmaceutical and chemical production, dumping site, or from cellulose production and pre-,treat, water streams from food-processing industries (olive oil mills, distilleries, sugar refineries, coffee production, tanneries, etc.) .

Removal of heavy metals from electroplating wastewater by ...
Removal of heavy metals from electroplating wastewater by ...

factory wastewater,. The parameters of ,factory, and synthetic ,wastewater, samples, such as heavy metal concen-trations, total solids (TS), total suspended solids (TSS), total dissolved solids (TDS), pH, and con-ductivity were determined by analytical methods referred to methods for the examination of water and ,wastewater, (APHA, AWWA, and WEF, 1992).

(PDF) A study of industrial anaerobic treatment of opaque ...
(PDF) A study of industrial anaerobic treatment of opaque ...

The ,wastewater, was ,acidic, (pH 3.3–6.3) and thus soda ash was also added to adjust the influent pH to neutral. The ,wastewater, emanating from the balancing tank was then

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · Vermifilter is widely used to ,treat wastewater,, and appeared to have high treatment efficiency, including synchronous stabilization of ,wastewater, and sludge [22, 23, 24]. Vermifiltration is a feasible treatment method to reduce and stabilize liquid-state sewage sludge under optimal conditions [ …

(PDF) A study of industrial anaerobic treatment of opaque ...
(PDF) A study of industrial anaerobic treatment of opaque ...

The wastewater was acidic (pH 3.3–6.3) and thus soda ash was also added to adjust the influent pH to neutral. The wastewater emanating from the balancing tank was then

Removal of TDS and BOD from Synthetic Industrial ...
Removal of TDS and BOD from Synthetic Industrial ...

Table.1: Literature on characteristics of industrial ,wastewater, Srl. No. ,Wastewater, TDS (mg/L) BOD (mg/L) TSS (mg/L) Reference 1 Tanning ,factory, 6850 959.66 4200 [7] 2 Textile industry 130450 3900 - [8] 3 Dairy Industry - 8239 7175 [9] 4 Cheese Industry - 3000 1100 [10] 5 Tannery (soaking) 22000-33000 1100-2500 3000-7000 [11]

Urea - Wikipedia
Urea - Wikipedia

Urea, also known as carbamide, is an organic compound with chemical formula CO(NH 2) 2.This amide has two –NH 2 groups joined by a carbonyl (C=O) functional group.. Urea serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals.It is a colorless, odorless solid, highly soluble in water, and ...

How to stop the trade effluent charge becoming a drain on ...
How to stop the trade effluent charge becoming a drain on ...

13/2/2020, · The chemical oxygen demand (COD) of the ,wastewater,. The solids content in the ,wastewater,. The pH of the water must also be considered, as in the UK authorities will only accept ,wastewater, with a caustic pH of between 6 and 10, which can be tricky depending on the chemicals you use in your clean in place (CIP) cycles.

A review on the sustainability of textile industries ...
A review on the sustainability of textile industries ...

1/6/2018, · Ong et al. conducted several sets of experiments for the removal of either anionic or cationic dye because of most of the ,wastewater, consisted of a mixture of both basic and ,acidic, dyes. Hence, to remove both the types of dye, the authors first chemically modified the rice hull and then used it as an adsorbent for the removal of ,acidic, dyes.

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · ,Tofu, is produced by coagulating soymilk, and a majority of the, tofu factories, in Indonesia employ, acid, coagulants, such as fermented whey or vinegar, for this process [ 4 ]. This results in, acidic wastewater, with a pH value of 3.6–5.5 and a chemical oxygen demand (COD) concentration of 5000–8500 mg/L [ 5, 6 ].

Sri Lanka: Support grows for workers’ inquiry into ...
Sri Lanka: Support grows for workers’ inquiry into ...

Test reports by both the CEA and the National Water Supply and Drainage Board (Water Board) accept that groundwater in, the, area is acidic but claim there is no evidence to prove, the, factory is ...

Limestone for pH Adjustment in Industrial Wastewater ...
Limestone for pH Adjustment in Industrial Wastewater ...

Additionally the design of the system cannot inherently guarantee the treatment of the effluent stream. There are no controls that regulate the addition of ,acidic, or alkaline neutralizing agents. The system designer simply hopes that sufficient alkaline products dissolve into …

How to Treat Wastewater from Pesticides Industry?
How to Treat Wastewater from Pesticides Industry?

(i) High ,acidic, or alkaline stream. (ii) Stream carrying oil and grease and floating organics. (iii) Inorganic stream. (iv) Organic stream. (a) Easily biodegradable. (b) Not easily biodegradable. (c) Toxic. (v) Cooling water bleed-off. (vi) Boiler blow down. (vii) Domestic ,wastewater, from canteen, toilets, cloth-washings etc.

How to Treat Wastewater from Pesticides Industry?
How to Treat Wastewater from Pesticides Industry?

(i) High ,acidic, or alkaline stream. (ii) Stream carrying oil and grease and floating organics. (iii) Inorganic stream. (iv) Organic stream. (a) Easily biodegradable. (b) Not easily biodegradable. (c) Toxic. (v) Cooling water bleed-off. (vi) Boiler blow down. (vii) Domestic ,wastewater, from canteen, toilets, cloth-washings etc.

Corrosive Water Problems
Corrosive Water Problems

The Problem. Many homes have pipes, solders and/or plumbing fixtures made from copper, lead or other metals. ,Corrosive water, can sometimes dissolve enough of these metals to create both aesthetic and health-related problems in drinking ,water,.

How to Select a Chemical Coagulant and Flocculant.
How to Select a Chemical Coagulant and Flocculant.

a highly ,acidic, coagulant that will drive the pH down to ± 7.0 will have to be considered. It may be necessary to add some soda ash in order to bring the Langlier Stability Index back to zero after such treatment. If the pH is ,acidic, great care will have to be taken to …

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