Elution Control of the Lead from the Fly Ash by Aluminum Hydroxide or Activated Clay

2014 ◽  
Vol 617 ◽  
pp. 18-23
Author(s):  
Hisatsugu Yoshida ◽  
Yuuya Tomita ◽  
Michitio Tsunomori ◽  
Hirofumi Asou ◽  
Katsuya Kaikake

As heavy metal elution control material which controls the lead compound eluted from municipal waste incineration fly ash, we examined aluminum hydroxide and various adsorbent minerals, such as activated clay. Low crystallinity aluminum hydroxide can control the lead compound elution with a smaller addition as compared with various adsorbent minerals as a result of an examination. In more lead content fly ash, only the low crystallinity aluminum hydroxide fitted the lead compound elution standard limit in waste landfills site of Japan. We considered that the following two reasons contributed to reduce the amount of lead compound elution. Aluminum hydroxide reacted to a part for the calcium of fly ash, and then it reduced the solubility of the lead compound due to the fall of the pH of an eluate. The cement hydrate which is a reaction product of aluminum and calcium fixed the lead compound. We report the test result of the amount of lead compound elution from fly ashes which were obtained from some waste incineration plant.

2015 ◽  
Vol 53 (5) ◽  
pp. 454-464 ◽  
Author(s):  
Kenya YAMAMOTO ◽  
Mitsuhiro KUDO ◽  
Heihachiro ARITO ◽  
Yasutaka OGAWA ◽  
Tsutomu TAKATA

2011 ◽  
Vol 13 (2) ◽  
pp. 118-126 ◽  
Author(s):  
Kai Huang ◽  
Katsutoshi Inoue ◽  
Hiroyuki Harada ◽  
Hidetaka Kawakita ◽  
Keisuke Ohto

Author(s):  
Heiner Zwahr

Waste to energy is only one way of handling waste, material recovery is another aspect of sustainable waste management. This is actually nothing new and has always been part of the operation of WTE (Waste to Energy) plants in Hamburg. In descriptions of the first waste incineration plant in Hamburg, which started operation in 1896, it was stated that “the fly ash” collected in the ash chambers was used as filler material for the insulation of ceiling cavities. Its use in the sandwich walls of money safes was expressly recommended by the members of the urban refuse collection authority. Another lucrative trade was the sorting of scrap iron. It was separated from the incineration slag with magnets. The slag itself was said to be as sterile as lava, as hard as glass, as useful as bricks, and it was a profitable side product of waste incineration. The crushed incinerator slag was evidently so much in demand in road construction and as an aggregate in concrete production that demand could often not be met in the building season, even though it was stored through the winter, [1,2,3].


2000 ◽  
Vol 51 (11) ◽  
pp. 774-785 ◽  
Author(s):  
M. Noguchi ◽  
H. Yakuwa ◽  
M. Miyasaka ◽  
M. Yokono ◽  
A. Matsumoto ◽  
...  

2018 ◽  
Vol 28 ◽  
pp. 01038
Author(s):  
Grzegorz Wielgosiński ◽  
Olga Namiecińska ◽  
Justyna Czerwińska

In recent years, five modern municipal waste incineration plants have been built in Poland. Next ones are being constructed and at the same time building of several others is being considered. Despite positive experience with the operation of the existing installations, each project of building a new incinerator raises a lot of emotions and social protests. The main argument against construction of an incineration plant is the emission of pollutants. The work compares emissions from municipal waste incineration plants with those from typical heating plants: in the first part, for comparison large heating plants equipped with pulverized coal-fired boilers (OP-140), stoker-fired boilers (three OR-32 boilers) or gas blocks with heat output of about 100 MW have been selected, while the second part compares WR-10 and WR-25 stoker-fired boilers most popular in our heating industry with thermal treatment systems for municipal waste or refuse-derived-fuel (RDF) with similar heat output. Both absolute emission and impact - immission of pollutants in vicinity of the plant were analyzed.


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