Study the surface color of sewage sludge mortar at high temperature.

Construction and Building Materials;  January 1, 2007 ;     700+ words ......three different amounts of sewage sludge ash and six varied temperatures...the chemical composition of sewage sludge ash and their sized fractions. The irregular shape of sewage sludge ash particles observed from SEM...

Glazed tiles manufactured from incinerated sewage sludge ash and...

Journal of the Air & Waste Management Association;  February 1, 2005 ;     700+ words ......waterworks sludge, incinerated sewage sludge ash, and carpet yarn, as an endurable...suggested that incinerated sewage sludge ash had the potential to be a component...mixing 0-50% of incinerated sewage sludge ash with clay and firing them at...

Lightweight properties and pore structure of foamed material made from...

Construction and Building Materials;  October 1, 2005 ;     700+ words ......Therefore, in this study, sewage sludge ash (SSA) was used to make lightweight...compressive strength of the sewage sludge ash foamed material (SSAFM), not...Foaming agent; Pore structure; Sewage sludge ash; Thermal conductivity 1. Introduction...

EPA Makes Final Decision on Dioxin in Sewage Sludge Used in Land...

U.S. Newswire;  October 17, 2003 ;     700+ words ......to regulate dioxins in land-applied sewage sludge. After five years of study, including...theoretically, are those people who apply sewage sludge as a fertilizer to their crops and...of new cancer cases resulting from sewage sludge containing dioxin is even smaller due...

The effects of nanomaterials on microstructures of sludge ash cement...

Journal of the Air & Waste Management Association;  August 1, 2006 ;     700+ words ......secondary pollutions. (2) Because sewage sludge ash is not performing well on mechanical...than 20%. Luo et al. (4) mixed sewage sludge ash with nanocomposites, and then...caused by the application of sewage sludge ash to cementitious materials...

A comparison between sludge ash and fly ash on the improvement in soft...

Journal of the Air & Waste Management Association;  January 1, 2007 ;     700+ words ......soil was improved by applying sewage sludge ash as a soil stabilizer. Test...filling material. Incinerated sewage sludge ash has been widely reclaimed in...1) substituted incinerated sewage sludge ash for 0-50% of the clay used...

Virginia Sewage Sludge Victims File Lawsuit Alleging Negligence, Private...

U.S. Newswire;  November 17, 2006 ;     377 words ......and health concerns linked to sewage sludge land applications, six Virginia...and Synagro Central, Inc, sewage sludge haulers. The complaint alleges...have sprayed or dumped tons of sewage sludge on trees and land adjacent...

Soil fertility experiments will help ensure sustainable use of sewage...

M2 Presswire;  November 14, 2007 ;     700+ words ......will help ensure sustainable use of sewage sludge on land(C)1994-2007 M2 COMMUNICATIONS...fertility of the heavy metals present in sewage sludge has published interim findings today...improve soil quality. Spreading treated sewage sludge on agricultural land provides organic...

Effects of the basicity on the comelting conditions of municipal solid...

Journal of the Air & Waste Management Association;  December 1, 2006 ;     700+ words ......solid waste incinerator fly ash-sewage sludge ash mixture is investigated. Four kinds of sewage sludge ash, which were collected from...fly ash by the addition of sewage sludge ash to lower the pouring point...

Removal of Heavy Metals from Sewage Sludge Used as Soil Fertilizer

Soil & Sediment Contamination;  January 1, 2005 ;     700+ words ...This work has examined sewage sludge of the following heavy metal...permissible for agricultural sewage sludge application (2500 mg/kg). The...extraction of metals from the sewage sludge using sodium salt ofethylenediaminetetraacetic...

National Research Council. (Washington Report).(report recommends stronger...

Public Works;  August 1, 2002 ;     208 words ......reexamine its support for spreading sewage sludge and increase protections for communities...enforcement of the practice of spreading sewage sludge on land. Doris Cellarius, of the Sierra Club sewage sludge task force, said, This should be a...

Sewage sludge danger.(News)

Cape Times (South Africa);  May 15, 2008 ;     355 words ...The problems created by spreading raw sewage sludge on agricultural fields to the north...creates further problems. Untreated sewage sludge is not nice stuff. It can contain pathogens...heavy metals and organic pollutants. Sewage sludge should be mixed with organic material...

Impact of Sewage Sludge Compost Utilization on Chemical Properties of...

Compost Science & Utilization;  October 1, 2006 ;     700+ words ......Madrid, Spain). There were four treatments, sewage sludge compost (SSC), sewage sludge compost plus urea (SSC+U), urea (U) and...15-30 cm). Once a year, before spreading sewage sludge compost, soil samples were taken at depths...

Don't trash sludge.(recycling sewage sludge as fertilizer)(Brief...

OnEarth;  June 22, 2004 ;     179 words ......Briefings item by Jason Best about sewage sludge ( They're Recycling What? Spring 2004...byproduct of that vital process is sewage sludge. The writer contends that today's raw...wastewater facilities. And although sewage sludge does contain pathogens, it contains...

Degradation of DEHP, PAHs and LAS in source separated MSW and sewage...

Compost Science & Utilization;  October 1, 2003 ;     700+ words ......investigated. Source separated MSW and sewage sludge, respectively, were composted at temperatures...regardless of process temperature. In sewage sludge, the highest degradation of 91% was...temperature of 65C. LAS degradation in sewage sludge was fastest at 55C, but at both ...