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Preparation of fluoride salt from fluoride containing acid 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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Preparation of fluoride salt from fluoride containing acid wastewater
Frontiers | Effect of Acidic Industrial Effluent Release ...
Frontiers | Effect of Acidic Industrial Effluent Release ...

The long-term discharge of phosphogypsum (i.e., a by-product of the phosphate fertilizer industries having acidic pH and containing trace metals) and/or untreated acidic wastewaters in the GG has, resulted, in, a progressive degradation and loss of biodiversity,, which represent a real threat for the marine ecosystems (El Zrelli et al., 2017; El Kateb et al., 2018; Naifar et al., 2018).

Removal of Microbeads from Wastewater Using ...
Removal of Microbeads from Wastewater Using ...

The need for better microplastic removal from ,wastewater, streams is clear, to prevent potential harm the microplastic may cause to the marine life. This paper aims to investigate the efficacy of ,electrocoagulation, (EC), a well-known and established process, in the unexplored context of microplastic removal from ,wastewater, streams. This premise was investigated using artificial ,wastewater, ...

Treatment of high strength acidic wastewater using passive ...
Treatment of high strength acidic wastewater using passive ...

1/8/2017, · Acidic wastewaters that directly or indirectly lower process pH can, negatively, impact these populations and thus the efficiency of methane production. Treatment of high strength acidic wastewater thus requires operational alternatives to avoid system instability.

The Global Rise of Zero Liquid Discharge for Wastewater ...
The Global Rise of Zero Liquid Discharge for Wastewater ...

The public and industrial sectors consume substantial amounts of freshwater while producing vast quantities of ,wastewater,. If inadequately treated, ,wastewater discharge, into the aquatic environment causes severe pollution that adversely impacts aquatic ecosystems and public health.

QUALITY OF WATER AND WASTEWATER FOR URBAN AND …
QUALITY OF WATER AND WASTEWATER FOR URBAN AND …

Consequences, •,Direct, effects on the intestinal mucous membrane, metabolism and mineral homeostasis or other body functions. •mineral and water metabolism in the body compromised- electrolyte imbalance •Practically zero calcium and magnesium intake. - increased morbidity and …

Journal of Environmental & Analytical Toxicology
Journal of Environmental & Analytical Toxicology

systems, ,wastewater, may become seriously dangerous leading to the ... which has ,direct, fatal or mortal ,consequences, on such organisms inhabiting that environment [13]. pH ... in the different ,discharge, points were all ,acidic, in nature similar to those observed in another study [15].

Industrial wastewater treatment - SlideShare
Industrial wastewater treatment - SlideShare

Common Types Of ,Wastewater, Treatment ,Methods, 1 Physical Unit Operations Treatment ,methods, in which the application of physical forces predominates. Screening, mixing, flocculation, sedimentation, flotation, filtration, and gas transfer are typical unit operations. 2 Chemical Unit Processes Treatment ,methods, in which the removal or conversion of contaminants is brought about by the addition of ...

Industrial waste water treatment - SlideShare
Industrial waste water treatment - SlideShare

Common Types Of ,Wastewater, Treatment ,Methods, 1 Physical Unit Operations Treatment ,methods, in which the application of physical forces predominates. Screening, mixing, flocculation, sedimentation, flotation, filtration, and gas transfer are typical unit operations. 2 Chemical Unit Processes Treatment ,methods, in which the removal or conversion of contaminants is brought about by the addition of ...

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

2/12/2014, · ,Wastewater,, or sewage, originates from human and home wastewaters, industrial wastes, animal wastes, rain runoff, and groundwater infiltration. Generally, ,wastewater, is the flow of used water from a neighborhood. The ,wastewater, consists of 99.9% water by weight, where the remaining 0.1% is suspended or dissolved material.

A critical review on recent developments in the low-cost ...
A critical review on recent developments in the low-cost ...

The removal of these, toxic dyes, from, wastewater, becomes globally essential activity because even a small concentration of pigment in water is noxious and highly conspicuous. As the elimination of these, toxic dyes, from aqueous solution is considered an environmental challenge, the government legislation needs the industrial, wastewater, to be treated,

Electrochemical Disinfection in Water and Wastewater ...
Electrochemical Disinfection in Water and Wastewater ...

For both oxidants, disinfectant demand across treatment contexts increases from drinking water to centralized ,wastewater, to distributed ,wastewater, treatment (Figure 4). The increased disinfectant demand is due to higher concentrations of cCOD, ammonia, and pathogens in both ,wastewater, …

Water Pollution Causes Effects & Solutions | Greentumble
Water Pollution Causes Effects & Solutions | Greentumble

This is deliberate and ,direct, dumping of garbage into rivers and oceans. Of increasing concern is the amount of plastic that makes its way into our waterways. #9 Thermal pollution. As mentioned in the introduction, many power plants ,discharge, very hot water into nearby waters, which reduces its oxygen and modifies the natural marine environment.

Sustainability | Free Full-Text | Wastewater Discharge ...
Sustainability | Free Full-Text | Wastewater Discharge ...

In this study, we analyze the effect of a ,direct discharge, of ,wastewater, from a village located in the watershed of the Fuente de Piedra Ramsar site through a stream named Charcón. The results show that in general, along the Charcón stream, the measured environmental variables show few significant changes downstream of the ,discharge,.

Comparison of Culture Methods for Isolation of ...
Comparison of Culture Methods for Isolation of ...

Compared to the results for the control treatment, all chemical decontamination ,methods, (Löwenstein, Petroff, Tacquet-Tison, Kubica, oxalic ,acid,, and CPC ,methods,) significantly inhibited the growth of M. chelonae (F = 276.66, df = 6, n = 63, and P < 0.001, as determined by repeated-measures GLM and controlled by medium supplementation) and M. avium (F = 59.11, df = 6, n = 63, and P < 0.001 ...

QUALITY OF WATER AND WASTEWATER FOR URBAN AND …
QUALITY OF WATER AND WASTEWATER FOR URBAN AND …

Consequences •Direct effects on the intestinal mucous membrane, metabolism and mineral homeostasis or other body functions. •mineral and water metabolism in the body compromised- electrolyte imbalance •Practically zero calcium and magnesium intake. - increased morbidity and …

The Global Rise of Zero Liquid Discharge for Wastewater ...
The Global Rise of Zero Liquid Discharge for Wastewater ...

The public and industrial sectors consume substantial amounts of freshwater while producing vast quantities of wastewater. If inadequately treated, wastewater discharge into the aquatic environment causes severe pollution that adversely impacts aquatic ecosystems and public health.

Acidic Precipitation - an overview | ScienceDirect Topics
Acidic Precipitation - an overview | ScienceDirect Topics

The human consequences of acid precipitation can be divided conveniently into five categories, ordered here by decreasing ease of assigning monetary cost but not necessarily by decreasing magnitude of impact. (1), Direct, damage to materials. Acid, precipitation, can, erode buildings and statuary,,, damage painted surfaces,, and, corrode synth,etic products. (2)

Consequences of the Clean Water Act and the Demand for ...
Consequences of the Clean Water Act and the Demand for ...

In other words, less acid rain may have led to less ,acidic, rivers and lakes. In addition, the temperature of rivers and lakes increased by 1°F every 40 years, consistent with climate change. Second, the article asks how the ,Clean Water Act,’s grants to municipal ,wastewater, treatment plants, one of the act’s central components, contributed to these trends.

The impact of scrubber discharge on the water quality in ...
The impact of scrubber discharge on the water quality in ...

23/7/2020, · Next to high sulphur, combustion of these fuels also results in higher emissions of contaminants including metals and PAHs. In scrubbers,, exhaust gases are sprayed with water, in order to remove SOx, resulting in acidic washwater with elevated contaminant concentrations discharged in the aquatic ecosystem.

(PDF) POLLUTANTS IN WASTEWATER EFFLUENTS: IMPACTS …
(PDF) POLLUTANTS IN WASTEWATER EFFLUENTS: IMPACTS …

wastewater, is i ndicated to cause an increase in water acidity, which co uld affect the cultivation and yield of crops (Oyewale, 2000; Oladele et al ., 201 2).

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