Incinerator ash and fly ash melting and recycling.
Soil contamination countermeasure Fly ash treatment.時間の攪拌洗浄により、飛灰中の放射線濃度は約85%減少。
Through stirring and washing for 3 to 6 hours, the radiodensity in the fly ash is reduced by about 85%.飛灰用ダイオキシン類分解剤「ダイオバニッシュ®UF」の販売を開始。
Sales launch of decomposition agent for fly ash dioxins"DIOVANISH™UF".Combinations with other parts of speech
再合成反応については、飛灰中に含まれている塩化銅が触媒として作用することが知られています。
Copper chloride in fly ash is known to act as a strong catalyst for resynthesis of dioxins.これは飛灰に含まれる炭素化合物が塩素化される反応である。
This is a reaction where carbon compounds contained in fly ashes are chlorinated.年10月から高岡准教授らのグループは、焼却炉から採った飛灰中の銅の分析をSPring-8で始めた。
In October 2000, Dr. Takaoka andcolleagues conducted experiments at SPring-8 to examine the copper contained in fly ashes extracted from incinerators.排ガス中の飛灰や、消石灰などと反応・吸着させたSOxやHCIなどは円筒状のろ布に付着させて除去します。
Bag Filter The fly ash in flue gas, as well as the SOx and HCI that has reacted with and been absorbed by such substances as slaked lime, are eliminated when they attach to the cylindrical filtration cloth.実際、室温時に飛灰1g当たり84ng(ナノグラム=10-9g)だったダイオキシン量は、400°Cでは4900ngと500倍以上に増えていた。
In fact, the dioxin content increased more than 500-fold from 84 ng(ng 10-9 g)per 1 g of fly ash at room temperature to 4,900 ng at 400 °C.また、焼却炉からのダイオキシン類総排出量(排ガス・飛灰・焼却灰)低減を求める客先も増えつつあり、総排出量の70~90%を占める飛灰中のダイオキシン類の処理ニーズが高まっていました。
With the growing number of customers needing help in reducing theamount of dioxin emissions(through flue gas, fly ash and bottom ash) from incinerators, there has also been a higher need for treatment of dioxins in fly ash, which occupy 70 to 90% of the total emissions.研究グループは、現在さらに模擬飛灰などでの実験を重ねて銅や他の金属および塩素の化学変化とダイオキシン類の生成量との関係についてデータを積み重ねるとともに、化学的抑制剤の効果に関する研究も行っている。
Their research group isconducting further experiments using mock fly ashes to accumulate data about the relationship between dioxin production and the chemical changes of chlorine, copper, and other metals as well as researching the effects of chemical suppressors.しかし、ダイオキシン類を安定して処理するためには450~500度以上の高温で加熱する必要があり、その結果、飛灰性状によっては低融点塩類が溶融し装置に付着して運転不能に陥ったり、装置材質が著しく腐食するなどのトラブルの発生が予想されます。
However, in this process, stable treatment of dioxins is only completed by heating at 450 to 500°C or more, resulting not only in potential malfunctions caused by the adhesion of melted low-melting-point salts to the system, but also considerable corrosion of system materials,depending on the property of fly ash.
Cleansing of incinerator fly ash.
Durable for mixing and stirring with fly ash.
Automatic system to control the injection of chemicals for incinerator fly ash○○.
Fly ash from the melting furnace includes various substances.
We would like to dispose of fly ash generated from an incinerator, but don't know how.これは、排出量のほとんどが水であり、飛灰が飛散していることをほとんど意味しません。
This means that most of the discharge is water and very little fly ash is coming out of the pipeline.また、バグフィルター等の集塵機で捕集された飛灰には鉛等の有害な重金属が含まれます。
The fly ash collected with a dust collector such as a bag filter contains lead and other types of hazardous heavy metals.三井金属100%出資による新会社MTRと大平洋金属が連携し、青森県内外から排出される溶融飛灰をリサイクルする。
MTR, a new wholly owned subsidiary of Mitsui Kinzoku,will cooperate with Pacific Metals to recycle fly ash generated both inside and outside of the prefecture.飛灰を円筒の反応器に入れ、飛灰に付着したダイオキシン類や有害有機化合物を400°C以上で攪拌流動加熱することにより揮発脱離させ、高性能酸化触媒で分解します。
Dioxins and hazardous organic compounds adhering to the fly ash are volatized and separated by mixing, fluidizing, and heating them at a temperature of 400 degree C or greater then decomposed by the high-performance oxidation catalyst as the treated fly ash does not contain organic chloride compounds.