نتایج جستجو برای: lead sorbent

تعداد نتایج: 342604  

2010
Nuria Miralles César Valderrama Ignasi Casas Antonio Florido

Grape stalk wastes generated in the wine production process were used for the removal of cadmium and lead ions from aqueous solutions. The experimental breakthrough curves (BTC) were obtained from fixedbed columns. Experiments were carried out to evaluate the influence of both inlet metal concentration and sorbent particle size. The experimental data were fitted to the Thomas model, a well-esta...

1998
R. B. HARVEY R. H. BAILEY S. A. BUCKLEY G. E. ROTTINGHAUS

Experiments were conducted to determine the ability of a hydrated sodium calcium aluminosilicate (T-Bind) sorbent to reduce the toxicity of aflatoxins (AF) or T-2 toxin in male broiler chickens from day of hatch to 21 d of age. In Experiment 1, the sorbent was added at 0.250 or 0.375% to diets containing AF at 5 or T-2 toxin at 8 mg/kg of diet. When compared with controls, AF reduced BW gain b...

2010
Elchin AKPEROV Abel MAHARRAMOV Oktay AKPEROV

Allyl propionate-maleic anhydride-styren terpolymer has been modified with glycerin in order to prepare a new cross-linked functional polymer sorbent. The synthesized cross-linked polymer sorbent has a network structure and contains carboxylic acid, carbonyl, hydroxy, and ester groups, all of which are capable of interacting with metal ions. The sorption behavior of UO 2 ions under optimum sorp...

Journal: :Analytical and bioanalytical chemistry 2003
Jamal A Sweileh

Human hair shavings were characterized as a sorbent for trace metals. At pH 7.0 metal sorption follows the order Pb(II)>Cd(II)>Cr(VI)>Fe(III)>Cu(II)>Ni(II)>Mn(VI). Metal recovery is quantitative for Pb and Cd after 30 min of equilibration. Recovery of other metals is less quantitative and varies with pH. For example, while Cu is best recovered at pH 5, Ni and Mn are sorbed optimally in the basi...

1990
Thomas W. Becker

A report on a project conducted jointly under a cooperative agreement between: Cover photo: Coolside and LIMB are sorbent injection technologies. In Coolside, the sorbent is injected into the flue gas duct, while in LIMB, sorbent is injected into the upper portion of the boiler. Both clean coal technologies rely on humidification— mist sprayed into the flue gas (as shown in the photo)— which he...

Journal: :International Journal of Scientific Research in Science and Technology 2019

Journal: :Artificial organs 2013
Christopher J Pino Amin Farokhrani Liandi Lou Peter L Smith Kimberly Johnston Deborah A Buffington H David Humes

Selective cytopheretic inhibitory device (SCD) therapy is an immunomodulatory treatment provided by a synthetic biomimetic membrane in an extracorporeal circuit, which has shown promise in preclinical large animal models of severe sepsis as well as in clinical trials treating patients with acute kidney injury and multiple organ failure. During SCD therapy, citrate is administered to lower ioniz...

2009
Chin-Min Cheng Chien-Wei Chen Jiashun Zhu Chin-Wei Chen Yao-Wen Kuo Tung-Han Lin Shu-Hsien Wen Yong-Siang Zeng Juei-Chun Liu Wei-Ping Pan

A systematic investigation of sorbent-trap sampling, which is a method that uses paired sorbent traps to measure total vapor phase mercury (Hg), was carried out at two coal-fired power plants. The objective of the study was to evaluate the effects (if any) on data quality when the following aspects of the sorbent trap method are varied: (a) sorbent trap configuration; (b) sampling time; and (c)...

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