Waste Management

Sat, 06/12/2021 - 06:18
Author(s): Fengsong Zhang, Zhuo Wei, Jim J. Wang Inadequate handling of poultry manure can cause significant releases of NH3, heavy metals, and estrogen, thereby impairing environmental quality. This study was a composting experiment involving the combination of poultry manure with plant residues (corn stalks, mushroom residues, and vegetable straw), as well as with either wheat stalk biochar (WB...
Thu, 04/29/2021 - 12:03
Author(s): Qi Tao, Bing Li, Yixuan Chen, Junwen Zhao, Qiquan Li, Yulan Chen, Quanhui Peng, Shu Yuan, Huanxiu Li, Rong Huang, Changquan Wang The recycling of agricultural waste is a global challenge to the sustainable development of agriculture. By using corn stalks, we studied the feasibility of combining anaerobic fermentation and pyrolysis processes to produce both fermentated liquid feed and...
Sun, 02/21/2021 - 06:07
Author(s): Narihito Ogawa, Takahito Amano, Yoshitaka Nagai, Kenta Hagiwara, Takayuki Honda, Yuya Koike Suppression of heavy metal elution from municipal solid waste incineration (MSWI) fly ash by cement or geopolymer solidification was studied. When these approaches are implemented, however, the volume of the solidified body increases as a consequence of the solidifying agent addition....
Sat, 02/20/2021 - 06:16
Author(s): Tonghuan Yu, Shinichi Kuwahara, Tomoki Ohno, Hitoshi Iwahashi The 2011–2016 reports from the Food and Agriculture Organization of the United Nations has stated that annual food loss and waste occurs on a massive scale in fisheries and aquaculture. This study aimed to explore advanced technologies to recycle wasted salmon as an industrial resource with high commercial value by applying...
Wed, 02/10/2021 - 06:07
Author(s): Qiming Wang, Jiang-shan Li, Qiang Xue, Chi Sun Poon Enriched in phosphorus, sewage sludge ash has been extensively studied and applied as a secondary source for phosphorus recovery. Wet extraction, especially acid washing, is one of the most feasible methods to recover phosphorus from the ash due to its ease of operation, high efficiency and low cost. However, the management of the...
Wed, 02/10/2021 - 06:07
Author(s): Yonggang Xu, Wei Qu, Baoyi Sun, Kai Peng, Xingzhou Zhang, Jianming Xu, Fan Gao, Yubo Yan, Tianxia Bai Although pyrolysis is a promising way for treating animal manure, the application is restricted with some limitations of biochar. To improve the quality of biochar derived from swine manure and enhance the immobilization of heavy metals (Cu and Zn) in it, swine manure was mixed with...
Sat, 12/19/2020 - 06:10
Author(s): Yanjun Hu, Lingqin Zhao, Yonghao Zhu, Bennong Zhang, Guixiang Hu, Bin Xu, Changxuan He, Francesco Di Maio Bottom ash contains unfavorable contaminants that could leach into the circulating water used for wet treatment, and its improper disposal of bottom ash could cause ecological pollution. This study was to discuss the partition of heavy metals and salts of bottom ash into...
Fri, 12/11/2020 - 06:04
Author(s): E. Caroca, A. Serrano, R. Borja, A. Jiménez, A. Carvajal, A.F.M. Braga, G. Rodriguez-Gutierrez, F.G. Fermoso The application of thermal pretreatments to facilitate its anaerobic digestion has associated phenols and furans production, which are commonly identified as inhibitory compounds. Phenols and furans extraction can be done from a liquid phase produced after the thermal...
Fri, 12/11/2020 - 06:04
Author(s): Xinlei Sun, Yaolin Yi This study systematically investigated the acid washing of incineration bottom ash (IBA) of municipal solid waste, focusing on the removal and leaching of heavy metals (Pb, Zn, Cr, Cd, Cu, and Ni), as well as their pH-dependent behavior. A series of small-scale laboratory acid washing tests with different nitric acid concentrations and washing periods were...
Thu, 12/10/2020 - 06:05
Author(s): Jian Yang, Chen Hong, Zaixing Li, Yi Xing, Xiumei Zhao In this study, antibiotic residue was converted into bio-oil by hydrothermal liquefaction (HTL) in subcritical or supercritical ethanol/water system. The bio-oil yield increased firstly as the ethanol/water ratio < 1:1, reaction temperature < 280 °C, residence time < 150 min, and thereafter decreased. However, the bio-oil...
Sun, 12/06/2020 - 06:07
Author(s): Qiang Lu, Xin-yue Zhou, Yang-wen Wu, Teng-ge Mi, Ji Liu, Bin Hu Heavy metal pollutants generated from municipal solid waste (MSW) incineration are mainly concentrated in the fly ash, among which lead species have received considerable attention due to their high content and biotoxicity. CaO is an active component in fly ash to adsorb heavy metal species. In this study, based on density...
Sat, 12/05/2020 - 06:15
Author(s): Tingting Liu, Lifeng Tian, Zhengang Liu, Jie He, Haihui Fu, Qifei Huang, Honghai Xue, Zechun Huang Hydrothermal carbonization (HTC) of sewage sludge (SS) with and without calcium oxide (CaO) introduction was conducted at 160–240 °C, and the yield and distribution of polycyclic aromatic hydrocarbons (PAHs) were evaluated for the first time. PAHs (2972.99 μg/kg) and toxic equivalent...
Sat, 12/05/2020 - 06:15
Author(s): Eugenio Quaranta, Ernesto Mesto, Maria Lacalamita, Cosimino Malitesta, Elisabetta Mazzotta, Enrico Scelsi, Emanuela Schingaro The present study describes the first example of utilization of a natural clay mineral as catalyst in a process addressed to chemical valorization of poly-[bisphenol A carbonate] (PC; (1)) wastes. A natural clinochlore was investigated for the first time as the...
Sat, 12/05/2020 - 06:15
Author(s): Zhiyuan Zhang, Rui Ju, Hengtao Zhou, Hongwei Chen A comprehensive study was conducted to investigate the pyrolysis characteristics of municipal sludge, and the activation energy of sludge pyrolysis was determined using the Model-free method. The detailed migration characteristics of heavy metals in the pyrolysis products were also investigated at different pyrolysis temperatures (250–...
Thu, 10/15/2020 - 06:18
Author(s): Chunxing Li, Shengyu Xie, Futian You, Xinyu Zhu, Jie Li, Xinhai Xu, Guangwei Yu, Yin Wang, Irini Angelidaki Hydrothermally treated sewage sludge was pyrolyzed at temperatures of 300, 500, and 700 °C with antibiotic mycelial residue addition ratios of 0, 10, 25, and 50 wt%. The results showed that co-pyrolysis could obviously improve biochar properties. Specifically, adding antibiotic...
Sat, 09/12/2020 - 06:15
Author(s): Hu Cui, Yang Ou, Lixia Wang, Baixing Yan, Yingxin Li, Dawei Ding Available information on passivation effect of biochar on heavy metals (HMs) through regulating bacterial communities remains limited. Thus, this study investigated the correlation between bacterial diversity and HM-fractions (Zn, Cu, Cd, Cr and Pb) during composting with different dose of biochar (5% and 10%, dry weight...
Wed, 09/09/2020 - 06:10
Author(s): Sini Reuna, Ari Väisänen The major element and heavy metal concentrations of post-precipitated sewage sludge (PPS) and its ash residue (PPA) were determined using microwave digestion followed by inductively coupled plasma optical emission spectrometry (ICP-OES) and mass spectrometry (ICP-MS). To the best of our knowledge, this has not been previously done. In both PPS and PPA the heavy...
Sat, 09/05/2020 - 06:15
Author(s): Baodong Li, Shouwei Jian, Jiaoqun Zhu, Houliang Yu, Rendi Wu, Wenbin Gao, Hongbo Tan The preparation of lightweight aggregate (LWA) by high-temperature sintering is a promising method for recycling solid waste safely, especially for solidifying heavy metals effectively. The main aim of this research was to systematically evaluate the effects of the flux components on LWA, including...
Sun, 08/16/2020 - 06:10
Author(s): Ruixue Chang, Pramod Pandey, Yanming Li, Chandrasekar Venkitasamy, Zhao Chen, Rodrigo Gallardo, Bart Weimer, Michele Jay-Russell, Bart Weimer Poultry litter is used as soil amendment or organic fertilizer. While poultry litter is enriched with organic matter suitable for land, the presence of pathogens such as Salmonella in poultry litter is a concern. To investigate the effect of...
Fri, 07/24/2020 - 06:08
Author(s): Meijie Du, Huan Liu, Donghai Hu, Jiejie Huang, Zheyu Liu, Yitian Fang The gasification slag by acidification can leach abundant heavy metals. In this paper, the fate of heavy metals (Ni, Cd, and As) in the raw slag and the acidified slag that treated by HAc and HCl was systematically investigated combined with Density Functional Theory (DFT) calculations. The results show that the...
Sun, 07/12/2020 - 06:08
Author(s): Weiming Chen, Fan Wang, Zhi Li, Qibin Li Fly ash is a hazardous material that is produced from municipal solid waste incineration. It contains heavy metals and should be properly treated to meet landfill entry requirements. In this study, under the precondition that the leachable concentration of lead (Pb) exceeded the limit value for landfill disposal, the effects of cement...
Thu, 07/02/2020 - 06:10
Author(s): Jiemin Zhu, Qingju Hao, Junjiang Chen, Manli Hu, Tingting Tu, Changsheng Jiang With the purpose of fully understanding the potential toxicity of heavy metals of various particle sizes in fly ash (FA) and finding an optimal chemical reagent stabilization scheme for fly ash with single or mixture reagents, basic physicochemical characteristics of FA was investigated using multiple...
Sun, 06/21/2020 - 06:07
Author(s): Hiba N. Abu Tayeh, Hassan Azaizeh, Yoram Gerchman Olive mill solid waste (OMSW) is an abundant agricultural waste without viable solution. The effects of OMSW different pretreatments (microwave or autoclave), different additives (water, formic, or sulfuric acid), and utilization of different saccharification enzymes (Cellic® CTec2 or Accellerase® 1500) were tested on saccharification...
Wed, 05/13/2020 - 03:32
Author(s): Teng Wang, Shuangshuang Huang, Tianming Fu, Jinping Li, Xian Zhou, Yongjie Xue, Haobo Hou Novel and efficient drying method based on electromagnetic induction plate (EMI-P) heating was used to treat sewage sludge (SS). This work focused on the effects of EMI-P action on heavy metals (HMs) in dried SS. Surface functional groups, surface chemistry and microstructures of SS treated were...
Wed, 05/06/2020 - 03:34
Author(s): Zhan Chen, Guangwei Yu, Yin Wang, Xingdong Wang In this work, the hydrothermal coupling pyrolysis (HTP) method was used to treat municipal solid waste incineration fly ash (IFA) and municipal sewage sludge (MSS). The regulation of migration mechanism of heavy metals (HMs), which included Cr, Ni, Cu, Zn, Cd, and Pb, were investigated, including the conditional effects of hydrothermal...
Fri, 03/13/2020 - 03:21
Author(s): Yingchao Cheng, Sylwia Oleszek, Kenji Shiota, Kazuyuki Oshita, Masaki Takaoka We investigated the distribution of 18 elements including non-volatiles (Al, P, Ca, Fe, Mg, K, Mn, Cu, Na, Cr, and Ni), semi-volatiles (Zn, Pb, Ag, As, and Cd), and volatiles (Hg and S) and compared their behaviors in two types of full-scale sewage sludge mono-incinerators, namely, a step-grate stoker (GS)...
Thu, 03/05/2020 - 03:24
Author(s): Yonggang Xu, Tianxia Bai, Yubo Yan, Kuirong Ma In order to improve characteristics of biochar, especially enhance immobilization of heavy metals in biochar, swine manure was pyrolyzed at low pyrolysis temperature (300 °C, 400 °C and 500 °C) with different amounts of sodium hydroxide (NaOH) added (0.5% and 2%, W/W). Results showed that NaOH addition during pyrolysis increased the pH, EC...
Mon, 03/02/2020 - 03:23
Author(s): Manling Zhang, Mengru Guo, Bingru Zhang, Fengting Li, Hongtao Wang, Hebin Zhang A novel heavy metal chelating agent, dithiocarboxylate-functionalized polyaminoamide dendrimer (PAMAM-0G-DTC), was evaluated for the stabilization of heavy metals from municipal solids waste incineration (MSWI) fly ash. PAMAM-0G-DTC achieved overall stabilization performance at a lower dosage (3% w/w) and a...
Mon, 03/02/2020 - 03:23
Author(s): Picheng Gong, Huiling Liu, Chen Cai, Gang Wang, Yanjun Xin, Xiaohu Dai Penicillin V mycelial residue (PMR) is a byproduct of the pharmaceutical industry and may be disposed through land application after alkaline-thermal treatment. However, the efficacy of alkaline-thermally treated PMR in soil amelioration and the potential contamination risk caused by introduced penicillin V are...
Sun, 02/09/2020 - 03:22
Author(s): Qihang Wang, Zongyuan Lai, Jun Mu, Demiao Chu, Xiaorong ZangAbstractCork is light, porous, carbon-rich, and renewable, which leads to competitive advantages in the preparation of biochar, as compared to other biomass material. In this work, we propose to convert cork powder into cork-based biochar as Cu (II) adsorbent via slow pyrolysis, thereby providing a reliable and simple method...
Sun, 01/26/2020 - 03:22
Author(s): F. Guilayn, M. Benbrahim, M. Rouez, M. Crest, D. Patureau, J. JimenezAbstractDigestate valorization is a key challenge for the feasibility of Anaerobic Digestion plants. In this study, humic-like substances (HLS) extracted from two digestates (sewage sludge and manure) were used for the biostimulation of hydroponic cultures of Lactuca sativa (lettuce) at different doses and compared to...
Sat, 01/25/2020 - 03:21
Author(s): Xinlei Sun, Yaolin YiAbstractIncineration bottom ash (IBA) of municipal solid waste is a potential construction material for civil engineering. However, the possible leaching of trace heavy metals from IBA is a concern. Water washing is a simple and economic method to remove heavy metals from IBA. In order to optimize the water washing process of IBA, this study investigated the pH...
Thu, 01/23/2020 - 03:22
Author(s): Halenur Kurmus, Abbas MohajeraniAbstractCigarette butts, one of the most abundant forms of waste in the world, contain more than 4000 toxic chemicals and pose serious risks to the health of wildlife, humans, and marine and freshwater organisms. Although trivial in size, trillions of cigarettes are produced every year worldwide, resulting in the accumulation of tonnes of toxic waste...
Sun, 01/19/2020 - 03:21
Author(s): Dongyuan Chu, Zhi-Long Ye, Shaohua ChenAbstractThe generation of landfill leachate nanofiltration concentrate (LLNC) has been a dilemma for leachate treatment plants because it contains large amounts of refractory organics with low molecular weight (LMWO), as well as heavy metals (HMs), and is difficult to handle. The coagulation removal of LMWOs is a significant challenge, as is the...
Wed, 01/08/2020 - 03:24
Author(s): Kang Xie, Hongyun Hu, Sihua Xu, Tongzhou Chen, Yongda Huang, Yuhan Yang, Fu Yang, Hong YaoAbstractThermal treatment could effectively realize the detoxification of heavy metals in municipal solid waste incineration (MSWI) fly ash through the approach of removal or stabilization process. To lower the operating temperature and suppress the evaporation of heavy metals, a molten salts (...
Tue, 01/07/2020 - 03:23
Author(s): Guanyi Chen, Shu Tian, Bin Liu, Mingtao Hu, Wenchao Ma, Xiangping LiAbstractIn this paper, excavated waste was added to sewage sludge for co-pyrolysis, aiming to stablize the heavy metals in sewage sludge. The effect of co-pyrolysis with various pretreatment (e.g. cooling, drying and hydrothermal pretreatment) on heavy metals stabilization was studied using orthogonal test. The results...
Sat, 01/04/2020 - 03:23
Author(s): Zheng Peng, Roland Weber, Yong Ren, Jianwei Wang, Yangzhao Sun, Lifang WangAbstractA recycling and disposal technology for municipal solid waste incinerator (MSWI) fly ash using high temperature sintering process was evaluated in an industrial scale facility with daily disposal capacity of 100 t/d. The emission, mass balance and distribution characteristics of polychlorinated dibenzo-p...
Thu, 12/26/2019 - 03:22
Author(s): S.A. Viczek, A. Aldrian, R. Pomberger, R. SarcAbstractAntimony, arsenic, cadmium, chlorine, chromium, cobalt, lead, mercury, nickel and their compounds are commonly used in the industrial production of various goods. At the end of the product life cycle, these elements enter the waste system as constituents of the products. Mixed municipal and commercial wastes are landfilled,...
Sat, 12/21/2019 - 03:37
Author(s): Tiantian Liu, Zhiqun Bao, Keqiang QiuAbstractUntil today, there are still many problems that must be solved through innovative research to make the recycling of spent lead-acid batteries and the separation of Pb-Sb alloy more environmentally friendly and energy-saving. In this paper, a novel method for regenerating lead paste, by vacuum reduction reaction coupling with separation of Pb...
Tue, 12/17/2019 - 03:23
Author(s): Jing Gao, Changqing Dong, Ying Zhao, Xiaoying Hu, Wu Qin, Xiaoqiang Wang, Junjiao Zhang, Junjie Xue, Xuming ZhangAbstractIn this paper, B2O3 was used as a fluxing agent to reduce the melting temperature of municipal solid waste incineration (MSWI) fly ash and promote the glassy phase formation. Ash fusion temperature (AFT) test, atomic absorption spectroscopy (AAS), X-ray diffraction(...
Thu, 12/12/2019 - 03:25
Author(s): Xiao-xia Guo, Hong-tao Liu, Jun ZhangAbstractLarge amounts of organic wastes, which pose a severe threat to the environment, can be thermally pyrolyzed to produce biochar. Biochar has many potential uses owing to its unique physicochemical properties and attracts increasing attentions. Therefore, this review focuses on the agronomic functions of biochar used as compost additives and...
Fri, 12/06/2019 - 03:23
Author(s): Benqin Yang, Xukun Li, Zhiqiang Lin, Die Hu, Yanmei Liu, Xuejun PanAbstractLaboratory investigations documented enzyme activity, heavy metals’ bioavailability and the bacterial community during co-bioevaporation treatment of food waste and landfill leachate. The activities of dehydrogenase, protease, urease and phosphatase were sensitive to the changes in operating temperature inherent...
Mon, 12/02/2019 - 03:23
Author(s): Daniel J. Lane, Olli Sippula, Hanna Koponen, Mikko Heimonen, Sirpa Peräniemi, Anna Lähde, Niko M. Kinnunen, Taina Nivajärvi, Narasinha Shurpali, Jorma JokiniemiAbstractThis study assesses the volatility of 15 elements (As, Bi, C, Cd, Cl, Cu, K, Mn, Na, P, Pb, S, Sb, Sn, and Zn) during thermal processing of fly ashes obtained from four waste-to-energy plants and one wood-combustion...
Fri, 11/29/2019 - 03:18
Author(s): Limei Chen, Yanfen Liao, Xiaoqian Ma, Yadong NiuAbstractIncineration of sludge in waste incinerators is a trend of sludge disposal, and the problem of heavy metal in horizontal flue ash is a concern. Horizontal flue ash in waste incinerator was collected before and after the sludge was co-combusted. XRF, SEM-DES, and ICP were used to characterize the effect of sludge on the...
Fri, 11/29/2019 - 03:18
Author(s): Francesco Chidichimo, Michele De Biase, Salvatore StrafaceAbstractGroundwater is the environmental compartment very often involved in the broader issues related to contaminated sites characterization and reclamation. It is not uncommon to find areas in which some substances directly linked to the petrographic composition of the aquifer reach high values exceeding the limits set by the...
Wed, 11/27/2019 - 03:24
Author(s): Shunchun Yao, Lifeng Zhang, Yeming Zhu, Junye Wu, Zhimin Lu, Jidong LuAbstractHeavy metal elements are the main pollutants in municipal solid waste incineration (MSWI) fly ash, the online detection of heavy metals in MSWI fly ash could benefit its subsequent solidification treatment and land-filling. In this paper, laser induced breakdown spectroscopy (LIBS) was introduced to the rapid...
Wed, 11/27/2019 - 03:24
Author(s): Lorenzo Mazza, Xiaopeng Xiao, Kashif ur Rehman, Minmin Cai, Dingnan Zhang, Salvatore Fasulo, Jeffery K. Tomberlin, Longyu Zheng, Abdul Aziz Soomro, Ziniu Yu, Jibin ZhangAbstractBlack soldier fly (BSF) is used for the management of organic waste, but research has hardly explored the effect of companion bacteria when chicken manure (CHM) is converted to insect biomass. In this study, we...
Wed, 11/27/2019 - 03:24
Author(s): Elisabet Marti, Meritxell Gros, Mercè Boy-Roura, Jonatan Ovejero, Anna M. Busquets, Joan Colón, Mira Petrovic, Sergio PonsáAbstractThe fate and degradation of 28 multiple-class veterinary pharmaceuticals in an on-farm pig slurry treatment plant based on solid-liquid separation and a nitrification–denitrification (NDN) sequence batch reactor (SBR) were evaluated for the first time. The...
Wed, 11/27/2019 - 03:24
Author(s): Na Wang, Kezhen Qian, Dezhen Chen, Hengzhen Zhao, Lijie YinAbstractThe gas and oil product derived from municipal solid waste (MSW) pyrolysis was upgraded by utilizing the interaction between the volatile compounds and the char and the mechanism involved is explored. The influences of operation parameters, including interaction temperature, char/volatiles mass ratio (C/V) and gas...
Wed, 11/27/2019 - 03:24
Author(s): Carla S. Fermanelli, Agostina Córdoba, Liliana B. Pierella, Clara SauxAbstractIn this study, pyrolysis of residual biomass from the agro-alimentary industry of Argentina was investigated. The studied biomasses were rice husk, peanut shell and wheat straw. The effect of pyrolysis temperature over solid (bio-char), liquid (bio-oil) and gas (bio-gas) fractions weight yields were evaluated...

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