In general, well water or ground water often contains iron (Fe) and manganese (Mn) ions in
it. One of the effective water treatment processes to remove heavy metals is adsorption …

Liquid waste is the main source of contamination of water bodies, especially river water. This
pollution causes decreased water quality in water bodies. One of the wastewater treatment …

There are several factors that can influence consumer satisfaction, namely service quality
and product quality. It is impossible to produce quality products and services without quality …

Air tanah sebagai sumber air bersih masih menjadi pilihan utama oleh Sebagian besar
masyarakat karena alasan murah dan bisa langsung dimanfaatkan. Namun, kondisi air …

Services in general are intangible and cannot be fully owned by consumers. Consumers pay
in return for the convenience, service and satisfaction they receive from the service, not for …

The existence of very busy peak periods is a problem in itself for service marketing. From the
data above, it can be said that many outlets do not necessarily have high consumption value …

Air bersih yang layak digunakan harus memenuhi standar kesehatan dan higiene
berdasarkan parameter biologis, kimia, dan fisik. Di Kawasan Kopelma Darussalam …

Liquid waste is the main source of contamination of water bodies, especially in river water.
This pollution causes decreased water quality in water bodies. One of the treatments in …

Pertumbuhan dan perkembangan di bidang industri membuat para penduduk ikut
menyumbang limbah yang masuk ke lingkungan. Pengolahan limbah secara tidak …