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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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gas grilling temperatures
Algae-and bacteria-driven technologies for pharmaceutical ...
Algae-and bacteria-driven technologies for pharmaceutical ...

The, microalgal,, bacterial, and, microalgal-bacterial, consortia have been tested and it is revealed that these consortia have a great ability to treat pharmaceutical wastewater.

Waste Degradation and Utilization by Lactic Acid Bacteria ...
Waste Degradation and Utilization by Lactic Acid Bacteria ...

3/10/2016, · The combination of, lactic acid bacteria (Lactobacillus paracasei), and, protease-producing bacteria (Serratia marcescens), can also be effective for extraction of chitin. LAB intensely dissolved mineral CaCO 3 by producing organic acid and S .

How does biochar work to improve or even decontaminate soil?
How does biochar work to improve or even decontaminate soil?

15/2/2018, · I ,can, understand why areas like East Texas and the Amazon forest with ,acidic, soils might benefit from adding biochar to raise the ,soil, pH. However, West Texas desert gardeners have to contend with ,alkaline, native soils and ‘hard’ water.

Enhanced Treatment of Pharmaceutical Wastewater by an ...
Enhanced Treatment of Pharmaceutical Wastewater by an ...

Overall DOM degradation efficiency by post-ozone treatment is 55%, which is much higher than the pre-ozone treatment efficiency of 38%. Microbial community analysis reveals that the genus Thauera and the genus Parasegetibacter take great responsibility for the degradation of phenolics in this process.

Beneficial and Negative Impacts on Soil by the Reuse of ...
Beneficial and Negative Impacts on Soil by the Reuse of ...

20/9/2013, · In these cases, the factors leading to an exacerbated ,soil, contamination and thus increased risk of groundwater and crop pollution are: a) sandy ,soil, texture; b) ,acidic, to neutral ,soil, pH; c) low organic matter content; and/or, d) the use of industrial ,wastewater, for agricultural irrigation [134–135].

Different Types of Wastewater Treatment | ERC of USA
Different Types of Wastewater Treatment | ERC of USA

Activated sludge plants are similar to sewage treatment plants. They treat sewage ,wastewater, using primarily activated sludge to digest biological contaminants. Though an STP may also use activated sludge in its secondary treatment, activated sludge takes on more of a primary role in an ASP.

Several common wastewater treatment process technologies ...
Several common wastewater treatment process technologies ...

2.5 Biochemical treatment. Biochemical treatment technology is currently widely ,used, in ,pharmaceutical wastewater, treatment technology, including aerobic biological method, anaerobic biological method, aerobic-anaerobic combination methods.

Facts about Water and its pH
Facts about Water and its pH

Mining activities ,can, cause nearby water supplies to become very ,acidic,. For example, ,wastewater, from a coal mine ,can, have a pH of 2. If this ,wastewater, reaches nearby rivers or reservoirs, it contributes to creating an ,acidic, freshwater environment. Treatment plants should monitor reservoirs and catchments for changes in water quality.

Engineering Bacteria for Bioremediation | IntechOpen
Engineering Bacteria for Bioremediation | IntechOpen

3/11/2010, · Many ,bacteria,, such as Actinomycetes Azotobacter and those of the genus Pseudomonas, synthesize these substances to capture the iron ions they require for their metabolic activity, or for biosorption (Pattus & Abdallah, 2000; Gazsó, 2001).

Share the Love With Your Soil – AgSource Laboratories – A ...
Share the Love With Your Soil – AgSource Laboratories – A ...

Friedericks says ,soil, pH between 6.0 and 7.0 is ideal for agronomic crops. ,Soil, that is more ,acidic,, or ,alkaline,, than that affects what nutrients are available to your crops. ,Soil, testing for pH is important, and fortunately, it is possible to ,improve acidic soil, with lime. For crop producers who irrigate, pH and salts ,can, be a concern.

Alkali - Wikipedia
Alkali - Wikipedia

In chemistry, an ,alkali, (/ ˈ æ l k əl aɪ /; from Arabic: القلوي ‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an ,alkali, metal or an ,alkaline, earth metal.An ,alkali can, also be defined as a base that dissolves in water.A solution of a soluble base has a pH greater than 7.0. The adjective ,alkaline, is commonly, and alkalescent less often, used in English as a synonym for ...

The Importance of Soil | Falmouth ME
The Importance of Soil | Falmouth ME

Low pH means ,acidic, conditions and high pH indicates ,alkaline, conditions. If the pH is too high, your grass cannot properly absorb nutrients. Ideal pH should be between 6.5-7.0, slightly ,acidic,. Adding compost ,can, naturally correct your pH. When and how should I test my ,soil,?

Measuring Soil pH for Plants and Gardens | Sensorex
Measuring Soil pH for Plants and Gardens | Sensorex

11/5/2017, · The best pH for plants is typically bewtween 5.5 and 6.5, though some plants may thrive in more ,acidic, or more ,alkaline, soils. Additionally, ,soil, nutrients are tied strongly with pH of ,soil,; in fact, pH control maximizes the efficiency of fertilizers by controlling nutrient bioavailability.

Effect of Different Treatment Technologies on the Fate of ...
Effect of Different Treatment Technologies on the Fate of ...

Residual ,wastewater, solids are a significant reservoir of antibiotic resistance genes (ARGs). While treatment technologies ,can, reduce ARG levels in residual ,wastewater, solids, the effects of these technologies on ARGs in ,soil, during subsequent land-application are unknown. In this study we investigated the use of numerous treatment technologies (air drying, aerobic digestion, mesophilic ...

Performance of a PRB for the Remediation of Acidic ...
Performance of a PRB for the Remediation of Acidic ...

Contaminated groundwater resulting from pyrite oxidation of acid sulfate soils (ASSs) is a major environmental problem in coastal Australia. A column test was carried out for an extended period with recycled concrete to study the efficiency of the reactive materials for neutralizing ,acidic, groundwater.

Wastewater Analysis and Study of Soil Microorganisms of ...
Wastewater Analysis and Study of Soil Microorganisms of ...

MATERIALS AND METHODS:A] Collection of ,wastewater, and ,soil, sample:Location:,Wastewater, and ,soil, sample was collected from koperkhairane nullah near MIDCindustrial area besides Furnace fabrica Ltd & Alok industry- Navi Mumbai.Procedure: Water sample was collected in a plastic bottle and ,soil, sample was collected in sterile Petri plates. pH and temperature of the water sample was checked. Water ...

Managing Soil Health: Concepts and Practices
Managing Soil Health: Concepts and Practices

A pH of 7 is considered neutral, below 7 is ,acidic,, and above 7 is ,alkaline,. Most crops do best in the ,soil, pH range of 6–7, though there are some exceptions. As ,soil, pH drops below 6, aluminum in the ,soil, changes form and becomes toxic to plant roots. Manganese ,can, also increase to toxic levels at a low ,soil, …

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

The half-life of propargyl alcohol in an ,alkaline, silt loam ,soil, (pH 7.8, 3.25% organic carbon) was 12.6 days and 13 days in an ,acidic, sandy loam (pH 4.8, 0.94% organic carbon) [140, 141]. Thiourea is considered biodegradable and highly mobile in ,soil,.

What is Pharmaceutical Waste? – SafeEnvironment
What is Pharmaceutical Waste? – SafeEnvironment

Once the drugs are done with, they are often disposed of in landfills and they further contribute to ,pharmaceutical, waste. 6. Agricultural Use Pharmaceuticals. These are the drugs sprayed on crops for the prevention of dangerous crop viruses, weevils and insects, and other ,bacteria, that would harm crops, either in the field or soon after harvest.

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