نتایج جستجو برای: chemical coagulant

تعداد نتایج: 380050  

Journal: :Blood 1982
A R Giles M E Nesheim H Hoogendoorn P B Tracy K G Mann

In vitro evaluation of prothrombin complex concentrates in a thrombin generation assay, using DAPA and purified components of the prothrombinase complex, demonstrated significant levels of coagulant-active "phospholipid replacing" activity. Quantification of this activity showed a significant correlation (r = 0.8747, p less than 0.01) with thrombogenicity measured in vivo in a stasis model in r...

Journal: :Water 2022

The aim of the present work is to investigate potential use banana peel waste as a natural coagulant and enhance its coagulation performance using green modification approach for removal synthetic water turbidity river treatment. Here, regular powder had an average particle size diameter 978 ± 37 nm 602 13 nm, respectively, while modified possessed 571 41 360 19 diameter, respectively. was inve...

Journal: :Journal of Renewable Materials 2022

The purpose of this work is the study ability plant material Aloe vera to act as natural coagulant using raw water obtained from a drinking treatment (Mila, Algeria). Different solvents such as: NaCl; NaOH and HCl were used chemical activators extract active components plant, different coagulation-flocculation experiments conducted in jar test apparatus evaluate performance extracted coagulant....

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :journal of chemical health risks 0
mojtaba semnani rahbar eskandar alipour reza eskandari sedighi safoora sajad marzieh mohamadiani

chemical wastewater treatment is one of the attracting and common methods for wastewater treatment among the currently employed chemical unit processes. the use of coagulant-flocculant compound is one of the efficient methods for separating of paint and recovery of water. in this research, it was introduced and the effect of ph on removal of solid content from solution was studied experimentall...

ژورنال: سلامت و محیط زیست 2010
حسنوند, ژاله, رحیمی, سمیه, ساقی, محمد حسین, شیرزاد سیبنی, مهدی, صمدی, محمد تقی,

Backgrounds and Objectives:In Iran , indicated that the municipal landfill leachate has been one of the major problem for environment. In the operations, leachate treatment is a very difficult and expensive process. Although, young leachate can be treated easily by biological treatment, COD removal efficiency are usually low due to high ammonium ion content and the presence of toxic compounds s...

2006
A. Mesdaghinia M. T. Rafiee F. Vaezi A. H. Mahvi

Although the removal of colloidal particles continues to be an important reason for using coagulation, a newer objective, the removal of natural organic matter (NOM) to reduce the formation of disinfection by-products (DBPs), is growing in importance. Enhanced coagulation is thus introduced to most water utilities treating surface water. Bench-scale experiments were conducted to compare the eff...

Journal: :E3S web of conferences 2021

This research aimed to investigate the performance of seeds extract Moringa Oleifera (MO) as an eco-friendly coagulant and alternative practice in enhancing primary domestic wastewater effluent treatment by coagulation/flocculation, sedimentation. The were dried, crushed, sieved, content oil was extracted with n-hexane a solvent employing soxhlet apparatus (electro thermal) then used residue co...

Journal: :Haematologica 2003
Emmanuel Oger Karine Lacut Patrick Van Dreden Luc Bressollette Jean-François Abgrall Marie-Thérèse Blouch Pierre-Yves Scarabin Dominique Mottier

BACKGROUND AND OBJECTIVES A high level of coagulant factor VIII is a well known risk factor for venous thromboembolism, but most studies have enrolled patients under 70 years old. This study aimed to test the hypothesis that an association also exists in the elderly. DESIGN AND METHODS This hospital-based case-referent study took place at the Department of Internal Medicine and Chest Diseases...

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