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# Harm of high concentration acidic industrial 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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Harm of high concentration acidic industrial wastewater
Recycling of a wastewater to iron oxide micro structures ...

22/8/2019, · The obtained material was used for the removal of Cd (II), Pb (II), and Ni (II) ions from aqueous solutions. Further utilization of ,iron oxide, nanomaterials for ,wastewater, treatment is presented by Mousavi et al [ 26 ]. Fe 3 O 4 nanoparticles were modified …

(PDF) Use of iron oxide nanomaterials in wastewater ...

The field of iron ,oxide, NMs (in a variety of chemical and structural forms) has already exhibited its diversity and potential applications in many frontiers of environmental area.In conclusion, there is much recent interest in the use of engineered iron ,oxide, NMs as an in-situ, relatively non-invasive tool in ,wastewater, treatment.

(PDF) Use of iron oxide nanomaterials in wastewater ...

The field of iron oxide NMs (in a variety of chemical and structural forms) has already exhibited its diversity and potential applications in many frontiers of environmental area.In conclusion, there is much recent interest in the use of engineered iron oxide NMs as an in-situ, relatively non-invasive tool in wastewater treatment.

Recycling of a wastewater to iron oxide micro structures ...

22/8/2019, · The primary interphase by-products of ,wastewater, electrochemistry induced by iron/steel electrodes are mainly ferrous hydroxide Fe(OH) 2 (aka 'green rust') and ferric hydroxide Fe(OH) 3.Iron hydroxide generation induces electrophoretic grouping of negatively charged colloids in the vicinity of a positively charged electrode, i.e. the anode, followed by a formation of polyatomic surface ...

Chemical Sludge - Wastewater Sludge - Climate Policy Watcher

Major ,chemical constituents, of raw sludge include grease and fats, protein, nitrogen, phosphorus, potash, cellulose, iron, and silica. The major mineral ,constituents, of sludge are shown in Table 2.4. ,Wastewater, sludge may also contain heavy metals, such as cadmium, chromium, cobalt, …

Iron oxide (Fe2O3) - Structure Molecular Mass Properties ...

Chemical Properties of Iron ,oxide, – Fe 2 O 3. Iron ,oxide, reacts with water to produce iron hydroxide. Fe 2 O 3 + H 2 O → Fe(OH) 3. Iron(III) ,oxide, react with sulphuric ,acid, to produce iron(III) sulfate and water. Fe 2 O 3 + H 2 SO 4 → Fe 2 (SO 4) 3 + H 2 O. Uses of Iron ,oxide, – Fe 2 O 3. The ordinary black iron ,oxide, has been used in both copperplate and die stamping inks.

(PDF) Iron oxide red wastewater treatment and recycling of ...

treatment for iron ,oxide red, production. Results show that: (1) Sludge from ,wastew ater, treatment. process under the operating parameters: 1.84 g/L of NaOH dosage, 10 mins of aeration with ﬂow ...

Toxicological Aspects of Wastewater Reclamation: A ...

acid, composition of ,wastewater, and the fate of these organic acids in ,waste water, treatment (5). Vitamin Bi2 pro duction by activated sludge also has been investigated (6). In 1951 Val lentyne (7) published a comprehensive review of the then available informa tion on organic ,constituents, in various types of water, including ,wastewater,.

Iron oxide red wastewater treatment and recycling of iron ...

1.1. Iron oxide red was,tewater Iron oxide red wastewater, is, a kind of typical acid wastewater., About 15 tons of wastewater with high concentration of Fe2þ and suspended solids (SS), high chroma ...

Iron oxide red wastewater treatment and recycling of iron ...

15/1/2015, · Iron oxide red wastewater. Iron oxide red wastewater is, a kind of typical acid, was,te,water. About 15 tons of wastewater with high concentration of Fe 2+ and suspended solids (SS), high chroma and low pH is discharged per ton of iron oxide red production.

Nitrogen removal from iron oxide red wastewater via ...

1/5/2019, · Iron oxide red wastewater (IORW) is a kind of, typical industrial wastewater, that containing a, large amount, of, NH 4 +-N (700–1000 mg/L), Fe 2+ (500–700 mg/L), sulfates, suspended solids (SS), chroma, and with the low pH value (approximately 3.0–5.5). About 15 tons of wastewater is discharged per ton of iron oxide red production.

Frontiers | Bioremediation of Wastewater by Iron Oxide ...

In addition, iron oxide nanoparticles are wastewater remediation agents with great potentials due to their strong adsorption capacity, chemical inertness and superparamagnetism. Therefore, a combination of nanoparticles and microbes could produce a very desirable alternative to …

Edustore.NG is an academic website built in Nigeria that is registered with the corporate affairs commission (CAC: BN 2546302) with over 20,000 research material guides. Our primary objective is to assist and guide final year students with well researched and quality project topics, project works, research guides, and project materials, at a very reduced and affordable price.

SOLVED:Ammonia is one of the chemical constituents of ...

Ammonia is one of the ,chemical constituents, of ,industrial, waste that must be removed in a treatment plant before the waste can safely be discharged into a river or estuary. Ammonia is normally present in ,wastewater, as aqueous ammonium hydroxide $\left(\mathrm{NH}_{4}^{+} \mathrm{OH}^{-}\right) .$ A two-part process is frequently carried out to accomplish the removal.

Oxalic Acid Recovery from High Iron Oxalate Waste Solution ...

The recovery of iron from ,red, mud by selective leach with oxalic ,acid, was studied. In order to reduce the cost of iron recovery, the ,red, mud was washed with dild. hydrochloric ,acid, before it was leached.